Authentication Commands and Options
from Alice's Adventures in Wonderland, Lewis Carroll
Our resident cryptographer; now you see him, now you don't.
Last update:
14-Oct-2011 19:26
UTC
Related Links
Commands and Options
Unless noted otherwise, further information about these commands is on the Authentication Support page.
- automax [logsec]
- Specifies the interval between regenerations of the session key list used with the Autokey protocol, as a power of 2 in seconds. Note that the size of the key list for each association depends on this interval and the current poll interval. The default interval is 12 (about 1.1 hr). For poll intervals above the specified interval, a session key list with a single entry will be regenerated for every message sent. See the Autokey Public Key Authentication page for further information.
- controlkey keyid
- Specifies the key ID for the ntpq utility, which uses the
standard protocol defined in RFC-1305. The keyid argument is the key ID for a trusted
key, where the value can be in the range 1 to 65534,
inclusive.
- crypto [digest digest] [host name] [ident name] [pw password] [randfile file]
- This command activates the Autokey public key cryptography
and loads the required host keys and certificate. If one or more files
are unspecified, the default names are used. Unless
the complete path and name of the file are specified, the location of a file
is relative to the keys directory specified in the keysdir configuration
command with default /usr/local/etc. See the Autokey Public Key Authentication page for further information. Following are the options.
-
- digest digest
-
- Specify the message digest algorithm, with default MD5. If the OpenSSL library
is installed, digest can be be any message digest algorithm supported
by the library. The current selections are: MD2, MD4, MD5, MDC2, RIPEMD160, SHA and SHA1. All
participants in an Autokey subnet must use the same algorithm. The Autokey message digest algorithm is separate and distinct from the symmetric
key message digest algorithm. Note: If compliance with FIPS 140-2 is required,
the algorithm must be ether SHA or SHA1.
- host name
- Specify the cryptographic media names for the host, sign and certificate files. If this option is not specified, the default name is the string returned by the Unix gethostname() routine.
- Note: In the latest Autokey version, this option has no effect other than to change the cryptographic media file names.
- ident group
- Specify the cryptographic media names for the identity scheme files. If this option is not specified, the default name is the string returned by the Unix gethostname() routine.
- Note: In the latest Autokey version, this option has no effect other than to change the cryptographic media file names.
- pw password
- Specifies the password to decrypt files previously encrypted by the ntp-keygen program with the -p option. If this option is not specified, the default password is the string returned by the Unix gethostname() routine.
- randfile file
- Specifies the location of the random seed file used by the OpenSSL library. The defaults are described on the ntp-keygen page.
- ident group
- Specifies the group name for ephemeral associations mobilized by broadcast and symmetric passive modes. See the Autokey Public-Key Authentication page for further information.
- keys path
- Specifies the complete directory path for the key file containing the key IDs, key types and keys used by ntpd, ntpq and ntpdc when operating with symmetric key cryptography. The format of the keyfile is described on the ntp-keygen page. This is the same operation as the -k command line option. Note that the directory path for Autokey cryptographic media is specified by the keysdir command.
- keysdir path
- Specifies the complete directory path for the Autokey cryptographic keys, parameters and certificates. The default is /usr/local/etc/. Note that the path for the symmetric keys file is specified by the keys command.
- requestkey keyid
- Specifies the key ID for the ntpdc utility program, which
uses a proprietary protocol specific to this implementation of ntpd. The keyid argument is a key ID
for a trusted key, in the range 1 to
65534, inclusive.
- revoke [logsec]
- Specifies the interval between re-randomization of certain cryptographic values used by the Autokey scheme, as a power of 2 in seconds, with default 17 (36 hr). See the Autokey Public-Key Authentication page for further information.
- trustedkey [keyid | (lowid ... highid)] [...]
- Specifies the key ID(s) which are trusted for the purposes of
authenticating peers with symmetric key cryptography. Key IDs
used to authenticate ntpq and ntpdc operations
must be listed here and additionally be enabled with controlkey and/or requestkey. The authentication
procedure for time transfer requires that both the local and
remote NTP servers employ the same key ID and secret for this
purpose, although different keys IDs may be used with different
servers. Ranges of trusted key IDs may be specified: trustedkey (1 ... 19) 1000 (100 ... 199) enables the
lowest 120 key IDs which start with the digit 1. The spaces
surrounding the ellipsis are required when specifying a range.


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Development progress for My website!
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desktopmobiledesigner is working on a mobile-specific sidebar - waiting on that


Great idea.
In addition to your "completed assignments" button. I would like to see the same principle applied to the awards page (hide completed Ribbons/Medals), dogtags page (Hide completed), and weapon's stats page (see below).
Weapons Stats
:
Hide all weapons with more than 100 Kills (or more than 500 Kills). Helps players trying to achieve a service star for each weapon ( and players trying to achieve a weapons mastery dogtags on each weapon).
The buttons could look something like this
http://i.imgur.com/JKoCDdf.jpg


Edit : This is an old post back from november 2008 on my old blog. Since I had this problem today, I though it would be a good idea to share it again with all my readers.
Going back to standard ASP.NET Web Forms was ridiculously hard. In the last months, I have been completely blown away by the limitless (almost) possibilities of the ASP.NET MVC framework and now I find myself struggling very hard to make a single dropdownlist works the way I wanted to. The scenario was simple, in the client page, I used the value supplied by the drowdown list item to make an AJAX query and display the incoming results somewhere else in the page. That should be very easy right? Well, no. You may not know this but the value attribute of the ASP.NET CheckBoxList’s items is not rendered at all.
I know that there is multiple solutions to render it, but that’s not the point. I can’t find a single reason to not let the developer decide if he want to display it or not. I even heard on some forum (I did not test it myself) that you cannot add a custom attribute named “value” (you can add custom attributes to any controls that will be rendered in the final html) without it to be stripped by the ASP.NET WebForms engine.
Anyway, let’s see the solution to this problem.
First of all, we need to create a custom control that will inherit from the System.Web.UI.WebControls.CheckBoxList and that will implement the System.Web.UI.WebControls.IRepeatInfoUser. We use the base class CheckBoxList as we want to reuse existing behavior without implementing it ourselves. As for the IRepeatInfoUser interface, we use it because we are implementing a control that has list items.
public class CheckBoxListFixed : CheckBoxList, IRepeatInfoUser { void IRepeatInfoUser.RenderItem(ListItemType itemType, int repeatIndex, RepeatInfo repeatInfo, HtmlTextWriter writer) { } }
Inside the RenderItem method we will use the HtmlTextWriter to output all the wanted html. So we want to create an input of type checkbox:
writer.WriteBeginTag("input"); writer.WriteAttribute("type", "checkbox"); writer.Write(">"); writer.Write(Items[repeatIndex].Text); writer.WriteEndTag("input");
This will render only basic checkboxes.

 <input type="checkbox">1</input>

 <input type="checkbox">2</input>

 <input type="checkbox">3</input>

 <input type="checkbox">4</input>

 <input type="checkbox">5</input>

With no IDs or attributes. Let’s add those to each checkbox.
writer.WriteBeginTag("input");
writer.WriteAttribute("type", "checkbox");
writer.WriteAttribute("name", UniqueID + this.IdSeparator + repeatIndex.ToString(NumberFormatInfo.InvariantInfo));
writer.WriteAttribute("id", ClientID + this.ClientIDSeparator + repeatIndex.ToString(NumberFormatInfo.InvariantInfo));
if (Items[repeatIndex].Selected)
writer.WriteAttribute("checked", "checked");
System.Web.UI.AttributeCollection attrs = Items[repeatIndex].Attributes;
foreach (string key in attrs.Keys)
{
writer.WriteAttribute(key, attrs[key]);
}
writer.Write(">");
writer.Write(Items[repeatIndex].Text);
writer.WriteEndTag("input");
We have also added the “checked” to each checkbox. Now we are ready to insert the “missing” value attribute. Adding the following line will resolve the problem.
writer.WriteAttribute("value", Items[repeatIndex].Value);
Complete control code :
namespace yourNamespace
{
public class CheckBoxListFixed : CheckBoxList, IRepeatInfoUser
{
void IRepeatInfoUser.RenderItem(ListItemType itemType, int repeatIndex, RepeatInfo repeatInfo, HtmlTextWriter writer)
{
writer.WriteBeginTag("input");
writer.WriteAttribute("type", "checkbox");
writer.WriteAttribute("name", UniqueID + this.IdSeparator + repeatIndex.ToString(NumberFormatInfo.InvariantInfo));
writer.WriteAttribute("id", ClientID + this.ClientIDSeparator + repeatIndex.ToString(NumberFormatInfo.InvariantInfo));
writer.WriteAttribute("value", Items[repeatIndex].Value);
if (Items[repeatIndex].Selected)
writer.WriteAttribute("checked", "checked");
System.Web.UI.AttributeCollection attrs = Items[repeatIndex].Attributes;
foreach (string key in attrs.Keys)
{
writer.WriteAttribute(key, attrs[key]);
}
writer.Write(">");
writer.Write(Items[repeatIndex].Text);
writer.WriteEndTag("input");
}
}
}
And here is a bonus : How to use this control in my code?
Supposing the control isn’t in another library and that you cannot add it to your toolbox, you can always use the Register directive inside your aspx file.
<%@ Register TagPrefix="yourPrefix" Namespace="yourNamespace" %>
Next, you can declare your control with the format
<tagprefix:CheckboxListFixed runat=”server” id=”yourID” />


Danielle Selby is the designer and artist behind Pasadya. As a
recent graduate of Texas Tech University with an undergraduate and
graduate degree in interior design, Danielle gravitates toward
functional designs with simplicity and beauty in mind, every once in
a while mixed with humor.
She is in love with
painting, transforming old, drab furniture into loved household
items, designing heartfelt cards to spread joy, and branding
business images, to name a few.
Pasadya was created
as an outlet for Daneille to share her love for design-related
products and practices. To keep things fresh, products at Pasadya
are updated often, so make sure to check in to see what's new!
Hope you enjoy your visit to Pasadya!
Now go explore the love!


A Bash alias is essentially nothing more than a keyboard shortcut, an abbreviation, a means of avoiding typing a long command sequence. If, for example, we include alias lm="ls -l | more" in the ~/.bashrc file, then each lm [1] typed at the command-line will automatically be replaced by a ls -l | more. This can save a great deal of typing at the command-line and avoid having to remember complex combinations of commands and options. Setting alias rm="rm -i" (interactive mode delete) may save a good deal of grief, since it can prevent inadvertently deleting important files.
In a script, aliases have very limited usefulness. It would be nice if aliases could assume some of the functionality of the C preprocessor, such as macro expansion, but unfortunately Bash does not expand arguments within the alias body. [2] Moreover, a script fails to expand an alias itself within "compound constructs," such as if/then statements, loops, and functions. An added limitation is that an alias will not expand recursively. Almost invariably, whatever we would like an alias to do could be accomplished much more effectively with a function.
Example 25-1. Aliases within a script
#!/bin/bash
# alias.sh
shopt -s expand_aliases
# Must set this option, else script will not expand aliases.
# First, some fun.
alias Jesse_James='echo "\"Alias Jesse James\" was a 1959 comedy starring Bob Hope."'
Jesse_James
echo; echo; echo;
alias ll="ls -l"
# May use either single (') or double (") quotes to define an alias.
echo "Trying aliased \"ll\":"
ll /usr/X11R6/bin/mk* #* Alias works.
echo
directory=/usr/X11R6/bin/
prefix=mk* # See if wild card causes problems.
echo "Variables \"directory\" + \"prefix\" = $directory$prefix"
echo
alias lll="ls -l $directory$prefix"
echo "Trying aliased \"lll\":"
lll # Long listing of all files in /usr/X11R6/bin stating with mk.
# An alias can handle concatenated variables -- including wild card -- o.k.
TRUE=1
echo
if [ TRUE ]
then
alias rr="ls -l"
echo "Trying aliased \"rr\" within if/then statement:"
rr /usr/X11R6/bin/mk* #* Error message results!
# Aliases not expanded within compound statements.
echo "However, previously expanded alias still recognized:"
ll /usr/X11R6/bin/mk*
fi
echo
count=0
while [ $count -lt 3 ]
do
alias rrr="ls -l"
echo "Trying aliased \"rrr\" within \"while\" loop:"
rrr /usr/X11R6/bin/mk* #* Alias will not expand here either.
# alias.sh: line 57: rrr: command not found
let count+=1
done
echo; echo
alias xyz='cat $0' # Script lists itself.
# Note strong quotes.
xyz
# This seems to work,
#+ although the Bash documentation suggests that it shouldn't.
#
# However, as Steve Jacobson points out,
#+ the "$0" parameter expands immediately upon declaration of the alias.
exit 0


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With only 1.3% of the population being fully vaccinated and no production capability Nepal desperately needs vaccines. With the highest transmission rate in the world and an overstretched healthcare system, countrywide vaccination is the only way to lower the rate of infection. Along with this 4 % of the population have had one dose of Covishield vaccine which is the Astrazeneca Vaccine. Therefore we urgently need Astrazeneca vaccines for the second dose or else we will need both doses of other vaccines for the majority of our population.
We have created a petition and social media campaign to reach the people in power who can influence decisions around sending vaccine surplus and vaccine donations. Our change petition reached over 39,000 signatories.
Currently there are a lot of efforts happening to tackle the resource issues around oxygen supply and distribution, medical supply, availability of hospital beds, isolation center occupancy and much more. However there is a lack of real time data around the availability of resources, the gaps, the timeline of delivery, location and the exact needs. Additionally there is a gap in understanding the resource supply chain and the bottlenecks within different areas of the supply and distribution channels. Along with this there is a lack of data around human resources and capabilities who can be allocated to fill in the current gaps.
We have a team of data analysts and data scientists who are willing to volunteer and create a real-time data platform that enables different players to cooperate to fill the current demands. We are working with both grassroot level organisation and high level decision-makers to collaborate on tackling this data issue.
All the frontline workers are tirelessly working and exposing themselves to high covid transmission risk situations. If the frontline worker, whether it be medical staff, maintenance workers or other support staff, contract covid while working in the surge/isolation centers and need medical treatment, this welfare fund will reimburse the cost of their medical bills related to covid of upto 1 lakh NRP. This welfare fund will be for 4 months to cover for the 3 months of duty and 1 month post duty medical treatments.
We are in talks with professionals in the banking and finance industry to set up this welfare fund through their corporate social responsibility fund. If you are able to help set up this fund either through network, financial support or provide expertise in actuarial science please contact us at<EMAIL_ADDRESS>The Alliance’s doctors and scientific committee have created various protocols and training to ensure that Covid related treatments are following the best practices from experience around the globe.
Currently there is a massive inflow of oxygen concentrators (200 concentrators arrived in the first two weeks of May and 400 are being imported) without after sales service. Along with this the biomedical team within MoHP is not well resourced to fix the broken plants and other devices.
With the current lockdown, daily wage workers and other families from disadvantaged backgrounds are unable to afford the basic food needs. At the moment we are gathering 200 packets of food to distribute within Kathmandu valley to families in need by Friday 21st of May. However the need is much higher. So we are working with government schools and wards to map out the food assistance needs and how we can best support those in need.
As we are working on several different ways to help tackle the current covid crisis, there are a few key areas which we are trying to advocate for:
If you are also working in these areas and would like to collaborate or amplify our message please contact us.


Bootcards is a cards-based UI framework. It is built on top of Bootstrap and uses it's responsive features. Unlike most other UI frameworks, it includes a dual-pane interface for tablet users.
We think Cards are the design pattern for mobile of the future. Cards are used already on sites and apps like Twitter, Google (Plus, Now), Spotify, Pinterest and Amazon. To kickstart your (and our) projects we decided to create Bootcards.
Want to read more about cards?
Want to help or know more? Drop us a note.
Bootcards includes stylesheets to give your apps a native look, whether that's on iOS, Android or desktop. Try opening the demo app with a tablet or smartphone to see the difference!
The demo app is a simple CRM application with companies, customers and notes. It was built using NodeJS and is hosted on Heroku. Note that not all functions in the demo app have been implemented.
There are a couple of ways to get started with Bootcards:
git clone https://github.com/bootcards/bootcards
).bower install bootcards
To add Bootcards to your application you'll need to include the Bootcards OS-specific CSS file (for iOS, Android or desktop) and the Bootcards JavaScript file. Since Bootcards is build on top of Bootstrap (3+), including the Bootstrap CSS file is required too. We've made that easy for you by embedding it into the Bootcards CSS files.
<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css" rel="stylesheet">
<!-- Important: you'll only need one of the Bootcards CSS files below for every platform -->
<!-- Bootcards CSS for iOS: -->
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/bootcards/1.0.0/css/bootcards-ios.min.css">
<!-- Bootcards CSS for Android: -->
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/bootcards/1.0.0/css/bootcards-android.min.css">
<!-- Bootcards CSS for desktop: -->
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/bootcards/1.0.0/css/bootcards-desktop.min.css">
<!-- Bootstrap and Bootcards JS -->
<script src="//netdna.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/bootcards/1.0.0/js/bootcards.min.js"></script>
The Bootcards styling will work by just loading the CSS files. If you want to use features like the built-in offcanvas, automatic portrait mode, you'll need to initialize Bootcards using the following Javascript function:
/*
* Initialize Bootcards.
*
* Parameters:
* - offCanvasBackdrop (boolean): show a backdrop when the offcanvas is shown
* - offCanvasHideOnMainClick (boolean): hide the offcanvas menu on clicking outside the off canvas
* - enableTabletPortraitMode (boolean): enable single pane mode for tablets in portraitmode
* - disableRubberBanding (boolean): disable the iOS rubber banding effect
* - disableBreakoutSelector (string) : for iOS apps that are added to the home screen:
jQuery selector to target links for which a fix should be added to not
allow those links to break out of fullscreen mode.
*/
bootcards.init( {
offCanvasBackdrop : true,
offCanvasHideOnMainClick : true,
enableTabletPortraitMode : true,
disableRubberBanding : true,
disableBreakoutSelector : 'a.no-break-out'
});
See the starter template in the "samples" folder for an example.


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/*
Copyright 2017 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
const assert = require('assert');
const path = require('path');
const {getManifest} = require('workbox-build');
const convertStringToAsset = require('./lib/convert-string-to-asset');
const getAssetHash = require('./lib/get-asset-hash');
const getManifestEntriesFromCompilation =
require('./lib/get-manifest-entries-from-compilation');
const getWorkboxSWImports = require('./lib/get-workbox-sw-imports');
const readFileWrapper = require('./lib/read-file-wrapper');
const sanitizeConfig = require('./lib/sanitize-config');
const stringifyManifest = require('./lib/stringify-manifest');
/**
* This class supports taking an existing service worker file which already
* uses Workbox, and injecting a reference to a [precache manifest]() into it,
* allowing it to efficiently precache the assets created by a webpack build.
*
* Use an instance of `InjectManifest` in the
* [`plugins` array](https://webpack.js.org/concepts/plugins/#usage) of a
* webpack config.
*
* @module workbox-webpack-plugin
*/
class InjectManifest {
/**
* Creates an instance of InjectManifest.
*
* @param {Object} [config] See the
* [configuration guide](/web/tools/workbox/modules/workbox-webpack-plugin#configuration)
* for all supported options and defaults.
*/
constructor(config = {}) {
assert(typeof config.swSrc === 'string', `swSrc must be set to the path ` +
`to an existing service worker file.`);
this.config = Object.assign({}, {
chunks: [],
exclude: [
// Exclude source maps.
/\.map$/,
// Exclude anything starting with manifest and ending .js or .json.
/^manifest.*\.js(?:on)?$/,
],
excludeChunks: [],
importScripts: [],
importWorkboxFrom: 'cdn',
swDest: path.basename(config.swSrc),
}, config);
}
/**
* @param {Object} compilation The webpack compilation.
* @param {Function} readFile The function to use when reading files,
* derived from compiler.inputFileSystem.
* @private
*/
async handleEmit(compilation, readFile) {
if (this.config.importWorkboxFrom === 'local') {
throw new Error(`importWorkboxFrom can not be set to 'local' when using` +
` InjectManifest. Please use 'cdn' or a chunk name instead.`);
}
const workboxSWImports = await getWorkboxSWImports(
compilation, this.config);
let entries = getManifestEntriesFromCompilation(compilation, this.config);
const sanitizedConfig = sanitizeConfig.forGetManifest(this.config);
// If there are any "extra" config options remaining after we remove the
// ones that are used natively by the plugin, then assume that they should
// be passed on to workbox-build.getManifest() to generate extra entries.
if (Object.keys(sanitizedConfig).length > 0) {
// If globPatterns isn't explicitly set, then default to [], instead of
// the workbox-build.getManifest() default.
sanitizedConfig.globPatterns = sanitizedConfig.globPatterns || [];
const {manifestEntries} = await getManifest(sanitizedConfig);
entries = entries.concat(manifestEntries);
}
const manifestString = stringifyManifest(entries);
const manifestAsset = convertStringToAsset(manifestString);
const manifestHash = getAssetHash(manifestAsset);
const manifestFilename = `precache-manifest.${manifestHash}.js`;
compilation.assets[manifestFilename] = manifestAsset;
this.config.importScripts.push(
(compilation.options.output.publicPath || '') + manifestFilename);
// workboxSWImports might be null if importWorkboxFrom is 'disabled'.
if (workboxSWImports) {
// workboxSWImport is an array, so use concat() rather than push().
this.config.importScripts = this.config.importScripts.concat(
workboxSWImports);
}
const originalSWString = await readFileWrapper(readFile, this.config.swSrc);
const importScriptsString = this.config.importScripts
.map(JSON.stringify)
.join(', ');
const postInjectionSWString = `importScripts(${importScriptsString});
${originalSWString}
`;
compilation.assets[this.config.swDest] =
convertStringToAsset(postInjectionSWString);
}
/**
* @param {Object} [compiler] default compiler object passed from webpack
*
* @private
*/
apply(compiler) {
compiler.plugin('emit', (compilation, callback) => {
this.handleEmit(compilation, compiler.inputFileSystem._readFile)
.then(callback)
.catch(callback);
});
}
}
module.exports = InjectManifest;


"Smart Interactions are about combining the power of Technology, Data and Customer Interactions in today’s digital world to provide scalable, high performance and relevant information. Relevance Lab along with a specialist partner has created two solutions to address the needs of this segment. One solution leverages the power of Social Media Data to address Customer and Brand Insights for Key Verticals based on Social Media Data analysis, historical data processing and a smart recommendations engine. The other solution deals with a high performance and real-time information processing to provide a “context aware” experience."
Dealing with high volume stream data analysis this platform provides advanced features of data acquisition, complex events processing, in-memory data processing and real time messaging. Common use cases for leveraging such a platform are:


Chao Wu(Amanda) is a junior student study in Interaction & Game Design Concentration at Cal State East Bay.
Before coming to CSU East Bay, I worked as a senior game designer game company in China called Youxigu (游戏谷) which was one of the pioneer Chinese game companies focus in the browser game development. Prior to working in an entrepreneurial game company in China which focus on some browser games and social games development.
My work in these game companies is mainly responsible for designing the gameplay, the design of each feature, and the design of related player trading systems, payment feature, VIP recharge and the reward system based on the genre and characteristics of the game, combined with similar games released on the market.
As an experienced game designer, I always hold my passion for my professional area and eager to deep forward. That is my most motivation to come here to learn game design. Through learning Game Design, UX Human-centered design and game programming classes, I learn more about the way of thinking by a different perspective. These experiences for my career are invaluable.
From personal, I am a girl who loves literature and art. Enthusiastic about various literary elements: drama, film, literature, philosophy, history, animation, music and everything about culture and history. Because I strongly believed human culture is the intrinsic expression of content and spirit, and art is the external form of human culture. That is my initial reason to chose a game maker. I want to express the world I imagined through the way of the game.


Frustration
There are many things that a designer/developer has to go through, with varying degrees of complexity and annoyance. We’ve all been there, all endured the pain of a browser not liking your latest CSS wizardry, servers crashing and a few late payments. It’s annoying, but except sometimes for this last one, we live!
However, for me, there is one thing that tops it all.
One thing that can make my blood boil in a few seconds of hearing the news: a completed project not published…
Now, if you work on a confidential project or a prototype, it may well be the case that you can’t show any of it. That’s fine, because you know it from day one. But when a client does it all; goes through the whole process of producing a quality website; makes me sweat and prevents me from sleeping with late requests that I dutifully include for being professional and passionate; and in the end tells me: “it’s not going to be released, we’re just scrapping it”, then i’m not happy.
Ok I’ve been paid for my work (at least this client did pay…), but at the end of the day, my work is not out there to be shown, tested in real life and most importantly: used. If you’re in a big agency, maybe it’s ok, maybe it’s part of it all. But if you are working on your own on the projects, then published work is your showcase.
I let you guess which site this one should have been for:
The One Not Released
Thanks for your custom…
comments
luca Mon, 21 Mar 2011 - 22:16
seriously?
Matt Mon, 21 Mar 2011 - 22:24
Seriously...
IvanDM Mon, 21 Mar 2011 - 23:55
Expected, given the client, but still very disappointed. If it can help, I can say that was a great work.
Matt Tue, 29 Mar 2011 - 21:31
Well, not really expected, I truly believed this one would go out given that everyone in the lab was so enthusiastic. But as we discussed outside, it seems some people need to grow a pair and stand high and proud about their identity and what they do. Unfortunately this is not my call, but I'll play a clause in my contract where i can release screenshots of the site as part of my work as it has been agreed that way. This would not be the site itself as I cannot host a full working copy or even a mock indefinitely, but I think a few pages should be enough to illustrate. This work is by no means confidential as it has always been intended to be the front facing site of the lab. We'll see!


|
ESS-NW-CAR
Embedded Self-adaptive Services
|
High-level library for writing car programs. More...
#include <ess_prototype.hpp>
Public Member Functions | |
| ESSPrototype () | |
| Constructor for the ESSPrototype class. More... | |
| void | shutdown () |
| Shuts down all connected services. More... | |
| void | shutdown (bool prio) |
| Shuts down all connected services. More... | |
| bool | checkMotor () |
| Used to check the status of the motor service. More... | |
| bool | checkSpeedSensor () |
| Used to check the status of the speed sensor service. More... | |
| bool | checkSteering () |
| Used to check the status of the steering service. More... | |
| bool | checkDistanceSensor () |
| Used to check the status of the distance sensor service. More... | |
| bool | checkCameraSensor () |
| Used to check the status of the camera service. More... | |
| void | setMinDistance (char d, bool prio) |
| Sets the threshold for when EMERGENCY BREAK (EMBREAK) events are raised. More... | |
| void | setMinDistance (char d) |
| Sets the threshold for when EMERGENCY BREAK (EMBREAK) events are raised. More... | |
| void | setSpeed (char s, bool prio) |
| Sends the desired speed to the motor controller. More... | |
| void | setSpeed (char s) |
| Sends the desired speed to the motor controller. More... | |
| void | setSpeed (char s, char a, bool prio) |
| Sends the desired speed to the motor controller. More... | |
| void | setSpeed (char s, char a) |
| Sends the desired speed to the motor controller. More... | |
| void | setDirection (char d, bool prio) |
| Sets the wheels to the desired direction. More... | |
| void | setDirection (char d) |
| Sets the wheels to the desired direction. More... | |
| unsigned char | getSpeed () |
| Get the curren speed. More... | |
| unsigned char | getDistance () |
| Get the free distance ahead. More... | |
| bool | getGoStatus () |
| Method for checking if the car is ready to go or not. More... | |
| Flag | getFlag () |
| Gets the current status of the flag. More... | |
Public Attributes | |
| CSharedMemory | shm_sp |
| Shared memory used for communication between ess_prototype and vsomeip. More... | |
| Buffer | buf_sp |
| Cyclic buffer for keeping track of speed values in the shared memory. | |
| CSharedMemory | shm_di |
| Shared memory used for communication between ess_prototype and vsomeip. More... | |
| Buffer | buf_di |
| Cyclic buffer for keeping track of distance values in the shared memory. | |
| CSharedMemory | shm_go |
| Shared memory used for communication between ess_prototype and vsomeip. More... | |
| Buffer | buf_go |
| Cyclic buffer for keeping track of service info values in the shared memory. | |
| CSharedMemory | shm_cam |
| Shared memory used for communication between ess_prototype and vsomeip. More... | |
| Buffer | buf_cam |
| Cyclic buffer for keeping track of camera values in the shared memory. | |
| CSharedMemory | shm_mo |
| Shared memory used for communication between ess_prototype and vsomeip. More... | |
| Buffer | buf_mo |
| Cyclic buffer for keeping track of motor values in the shared memory. | |
| CSharedMemory | shm_st |
| Shared memory used for communication between ess_prototype and vsomeip. More... | |
| Buffer | buf_st |
| Cyclic buffer for keeping track of steering values in the shared memory. | |
| CSharedMemory | shm_setmin |
| Shared memory used for communication between ess_prototype and vsomeip. More... | |
| Buffer | buf_setmin |
| Cyclic buffer for keeping track of min-distance values in the shared memory. | |
| CSharedMemory | shm_shutdown |
| Shared memory used for communication between ess_prototype and vsomeip. More... | |
| Buffer | buf_shutdown |
| Cyclic buffer for keeping track of shutdown requests in the shared memory. | |
Private Attributes | |
| int | service_status_ |
| A one-hot encoded int where every bit represents the availability of a service. More... | |
| int | dist_latest_ |
| The latest distance read from the sensors. | |
| unsigned char | speed_latest_ |
| The latest speed read from the sensors. | |
| Flag | flag_latest_ |
| The latest flag read from the sensors. | |
High-level library for writing car programs.
This library aims to provide the developer with a set of high-level functions which the developer can use to build programs that control the car, either autonomously or manually. A very simple example of such a program is the ESS Shell (bbb-car-controller/src/ess_shell.cpp).
| ESSPrototype::ESSPrototype | ( | ) |
Constructor for the ESSPrototype class.
An object of the ESSPrototype class is meant to represent a self-aware car. It can do basic car things such as: set the speed to a certain level, change the angle of the wheels and check how fast it is going. But it is also aware of its internal conditions in the sense that it can detect if any of the basic services goes missing. For instance if the power to the camera node is cut, an object of this class has the ability to detect this.
| bool ESSPrototype::checkCameraSensor | ( | ) |
Used to check the status of the camera service.
| bool ESSPrototype::checkDistanceSensor | ( | ) |
Used to check the status of the distance sensor service.
| bool ESSPrototype::checkMotor | ( | ) |
Used to check the status of the motor service.
| bool ESSPrototype::checkSpeedSensor | ( | ) |
Used to check the status of the speed sensor service.
| bool ESSPrototype::checkSteering | ( | ) |
Used to check the status of the steering service.
| unsigned char ESSPrototype::getDistance | ( | ) |
Get the free distance ahead.
Every speed sensor packet consists of three measurements, one from each sensor. This function returns the SMALLEST of those three values. Future developers could consider overloading this function in a way that allows any of the three values to be read.
| Flag ESSPrototype::getFlag | ( | ) |
Gets the current status of the flag.
| bool ESSPrototype::getGoStatus | ( | ) |
Method for checking if the car is ready to go or not.
Loads the latest status of all vsomeip services in the form of a one-hot encoded int. It is important to know that checkMotor, checkSteering checkSpeedSensor, checkCameraSensor and checkDistanceSensor WILL NEVER UPDATE THEIR RETURN VALUE UNLESS THIS FUNCTION IS CALLED BETWEEN INVOCATIONS.
| unsigned char ESSPrototype::getSpeed | ( | ) |
Get the curren speed.
| void ESSPrototype::setDirection | ( | char | d, |
| bool | prio | ||
| ) |
Sets the wheels to the desired direction.
| d | The direction of the wheels |
| prio | sets the prio flag in the packet |
0 means full left, 100 means full right 50 is straight ahead.
| void ESSPrototype::setDirection | ( | char | d | ) |
Sets the wheels to the desired direction.
| d | The direction of the wheels |
Same as the other version, but prio is always false.
| void ESSPrototype::setMinDistance | ( | char | d, |
| bool | prio | ||
| ) |
Sets the threshold for when EMERGENCY BREAK (EMBREAK) events are raised.
| d | Distance (in cm) of the minimum allowable threshold |
| prio | Sets the prio flag in the packet |
| void ESSPrototype::setMinDistance | ( | char | d | ) |
Sets the threshold for when EMERGENCY BREAK (EMBREAK) events are raised.
| d | Distance (in cm) of the minimum allowable threshold |
Overloaded version which always sets prio to false.
| void ESSPrototype::setSpeed | ( | char | s, |
| bool | prio | ||
| ) |
Sends the desired speed to the motor controller.
| s | The desired speed (in cm/s) |
| prio | sets the prio flag in the packet |
| void ESSPrototype::setSpeed | ( | char | s | ) |
Sends the desired speed to the motor controller.
| s | The desired speed (in cm/s) |
Overloaded version which always sets prio to false
| void ESSPrototype::setSpeed | ( | char | s, |
| char | a, | ||
| bool | prio | ||
| ) |
Sends the desired speed to the motor controller.
| s | The desired speed (in cm/s) |
| a | The desired acceleration |
| prio | sets the prio flag in the packet |
Sets the speed to "s" with a certain acceleration "a". NOT IMPLEMENTED ON MOTOR CONTROLLER!
| void ESSPrototype::setSpeed | ( | char | s, |
| char | a | ||
| ) |
Sends the desired speed to the motor controller.
| s | The desired speed (in cm/s) |
| a | The desired acceleration |
Same as the above but prio is always false.
| void ESSPrototype::shutdown | ( | ) |
Shuts down all connected services.
This method shuts down all connected vsomeip services with no way of bringing them back online. Future developers could consider overloading this method so that it can be used to shut down only a selected service.
| void ESSPrototype::shutdown | ( | bool | prio | ) |
Shuts down all connected services.
| prio | Sets the prio-flag in the packet |
This method shuts down all connected vsomeip services with no way of bringing them back online. Future developers could consider overloading this method so that it can be used to shut down only a selected service.
|
private |
A one-hot encoded int where every bit represents the availability of a service.
This member is updated every time
| CSharedMemory ESSPrototype::shm_cam |
Shared memory used for communication between ess_prototype and vsomeip.
This shared memory is for communicating camera sensor values
| CSharedMemory ESSPrototype::shm_di |
Shared memory used for communication between ess_prototype and vsomeip.
This shared memory is for communicating distance sensor values
| CSharedMemory ESSPrototype::shm_go |
Shared memory used for communication between ess_prototype and vsomeip.
This shared memory is for communicating which vsomeip services are up
| CSharedMemory ESSPrototype::shm_mo |
Shared memory used for communication between ess_prototype and vsomeip.
This shared memory is for communicating motor request values
| CSharedMemory ESSPrototype::shm_setmin |
Shared memory used for communication between ess_prototype and vsomeip.
This shared memory is for communicating setmin request values
| CSharedMemory ESSPrototype::shm_shutdown |
Shared memory used for communication between ess_prototype and vsomeip.
This shared memory is for communicating shutdown request values
| CSharedMemory ESSPrototype::shm_sp |
Shared memory used for communication between ess_prototype and vsomeip.
This shared memory is for communicating speed sensor values
| CSharedMemory ESSPrototype::shm_st |
Shared memory used for communication between ess_prototype and vsomeip.
This shared memory is for communicating steering request values


|
AAX SDK
2.3.1
Avid Audio Extensions Development Kit
|
Sequence diagrams for some common linked parameter update scenarios.
DTF_AUTOMATION=file@DTP_LOW
in the DigiTrace configuration file.This is the sequence of calls for a parameter update triggered by the user. For this sequence, we assume that the edit was triggered by a GUI event. Updates from control surfaces are handled in exactly the same way, except that the parameter touch, set value, and release tokens are generated by the control surface.
In this example the updated parameter is reciprocally linked to one other parameter. These are the "linker" and "linked" parameters, respectively.
This procedure is very similar to the non-linked case described here. In the diagrams below, red arcs and pink section headings are used to indicate events that are specific to the linked parameter case.
Notes:
iSource
to AAX_eUpdateSource_Parameter for each of these subsequent calls to indicate that the update originated from within a parameter update event.true
during the linker parameter update because the update source is unknown and the parameter is touched. Both conditions must be true in order for the linking logic to proceed with setting linked parameters' values.false
during the linked parameter update because the source is AAX_eUpdateSource_Parameter. This prevents update cycles for reciprocally linked parameters, as demonstrated here.Note that this diagram assumes a GUI implementation that uses SetParameterNormalizedValue(). The implementation could also use other parameter set methods, either in AAX_IEffectParameters or directly on an AAX_IParameter. The overall sequence would remain the same.
Since all parameter linking occurs while recording automation, automation playback is very simple. The automation lanes may contain any arbitrary values, so, in order to avoid fighting between incompatible values, the plug-in should respect all automation values during playback.
Notes:
false
during automation playback because the updated parameter is not touched. This ensures that automation playback will proceed with the written values and also guarantees that the user will always be able to override the automation using a control surface encoder or GUI editor.


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SIM11 ON-LINE HELP : commands list
BREAKPOINTS : DISPLAY/SET :
b - set or show breakpoints. e - examine memory.
d - delete a breakpoint. m - modify memory.
EXECUTE : r - display/set registers.
R - restart. l - list the symbol table.
c - continue. f - full-screen parameters.
s - single step. C - full-screen colors (PC only).
t - continue with trace. a - full-screen address peep.
FILE OPERATIONS : S - full-screen scroll source.
o - open object/executable file.
O - re-make object/executable file.
< - redirect stdin (Terminal Keyboard).
> - redirect stdout (Terminal Printer).
L - start/stop logging. ODT-LIKE :
MISCELLANEOUS : p - proceed ( like c ).
F - on/off full-screen. g - goto.
M - on/off memory trace. / - open memory location.
T - enable/disable traps. $ - open register location.
P - Parameters and options. ODT-LIKE SUBCOMMANDS :
i - print simulator information. . - change location forwards.
h - help on commands. ^ - change location backwards.
q - quit. @ - indirect change location.
= - evaluate expression. _ - pc relative change location.
* Several commands may be specified in one line, separated by a semicolon (;).
* For more help type "h #", where "#" is any command name.
SIM11 ON-LINE HELP : b command
SYNOPSIS
b [ addr [ , <command_list> ] ]
DESCRIPTION
Without a parameter this command supplies a list of all active "break-
points", i.e. those addresses of instructions which when reached (and
before they are executed) cause the execution to stop and a new user
command to be requested.
When an expression is supplied as the first parameter to this command,
a breakpoint is installed at the address represented by the expression.
The second parameter is a list of simulator commands to be executed
when reaching the breakpoint. If you do not want to stop at the break-
point, the last command on that list should be "c", or "p", or "t".
Note that, the whole list must be enclosed in angle brackets:
< ... ; ... > .
Back to top
SIM11 ON-LINE HELP : d command
SYNOPSIS
d [ addr ]
DESCRIPTION
Without a parameter this command nullifies (deletes) all active break-
points. When an expression is present, only the breakpoint at the
address represented by the expression is removed.
Back to top
SIM11 ON-LINE HELP : R command
SYNOPSIS
R
DESCRIPTION
Restart the machine.
Main memory and registers are all re-assigned their initial values.
However, the address view and list of breakpoints is left unchanged.
Back to top
SIM11 ON-LINE HELP : c command
SYNOPSIS
c
DESCRIPTION
Continue execution with the instruction which is pointed to by the
contents of the PC (r7). Since the PC's initial contents are set by
the value of the label "main" at the Assembler source program, the
first time this command is invoked (and the PC has not been changed -
see below) it starts execution at the address specified at assembly
time. (If "main" was not defined at assembly time the default entry
point is octal 2000, also the entry point may be set explicitly using
the appropriate option of the ld11 program).
Execution is stopped whenever a "halt" instruction, a "breakpoint" or
an error are encountered. Control is always passed back to the user
by giving the prompt sign ("@") and waiting for new user commands.
The user can force the simulator to stop execution by pressing the
"interrupt" key, which is on UNIX intr-key (default "^C"), however ...
When the GUI is used, the "Stop" button serves that purpose.
Back to top
SIM11 ON-LINE HELP : s command
SYNOPSIS
s
DESCRIPTION
Execute a single instruction and then stop displaying the current con-
tents of all registers. The instruction executed is that pointed at
by the PC. In other words, execute a "single step".
Back to top
SIM11 ON-LINE HELP : t command
SYNOPSIS
t
DESCRIPTION
Same as "c" but after each instruction is executed the updated con-
tents of the registers are displayed.
Back to top
SIM11 ON-LINE HELP : e command
SYNOPSIS
e [ start_addr [ , end_addr ] ]
DESCRIPTION
Display the contents of memory ("examine"). If no arguments are
specified, then all the memory is displayed. The argument may be a
single expression, in which case that memory location is displayed, or
a pair of expressions separated by a comma, in which case all memory
between (and including) the two specified addresses is displayed. The
space after the "e" may be omitted.
If only one memory word is examined, its contents are display in the
following representations:
one octal word
one signed decimal word
one unsigned decimal word
one hexadecimal word
two octal bytes
two ascii characters
Otherwise, only octal words are displayed.
Back to top
SIM11 ON-LINE HELP : m command
SYNOPSIS
m addr=value
m addr=value1,value2, ... , value-n
DESCRIPTION
Set ("modify") the contents of a memory location. Assigns "value" to
memory location "addr".
Addr should be word-address (even).
If more than one value is specified, the list of values is assigned to
consecutive words in the memory. No more than 8 values may be listed.
Back to top
SIM11 ON-LINE HELP : r command
SYNOPSIS
r [ reg=value ]
DESCRIPTION
With no arguments this command causes the display of all the current
register values.
If arguments are specified, "value" is assigned to register "reg",
which should be an expression with a value between 0 and 7,
representing one of the register r0, r1, ..., r7.
Back to top
SIM11 ON-LINE HELP : l command
SYNOPSIS
l
DESCRIPTION
This command takes no arguments, and lists the symbol table.
Back to top
SIM11 ON-LINE HELP : f command
SYNOPSIS
f [ param=value ]
DESCRIPTION
With no arguments this command causes the display of all the current
full screen parameters values, and their maximal value.
If arguments are specified, "value" is assigned to parameter "param",
which should be an expression with a value between 0 and 7. "value"
must be between 0 and the maximal value for this parameter.
If the simulator is in full screen mode, a display refresh is done.
SEMANTICS
f0 - Stack alignment - the address of the top stack row is k * 2**f0.
f1 - Source lines - the number of lines in the Source window.
f2 - Output lines - the number of lines in the Input/Output window.
f3 - Reserved
f4 - Reserved
f5 - Reserved
f6 - Reserved
f7 - Reserved
Back to top
SIM11 ON-LINE HELP : C command
SYNOPSIS
C [ color=value ]
DESCRIPTION
With no arguments this command causes the display of all the current
(non-GUI) full screen color values, and their maximal value.
If arguments are specified, "value" is assigned to color "color", that
should be an expression with a value between 0 and 7. "color" must be
between 0 and the maximal value for this color.
If the simulator is in full screen mode, a display refresh is done.
SEMANTICS
C0 - Separators (both horizontal and vertical)
C1 - Registers window
C2 - Stack window
C3 - Memory window
C4 - Break-points window
C5 - Inpout/Output window
C6 - Source window
C7 - Talk window
Colors are supported in the PC version only, where the color values
have 8 bits, according to the BIOS definition:
+-------+-----------------------+-------------------------------+
|ForGnd | BackGround | ForGround |
+-------+-------+-------+-------+-------+-------+-------+-------+
| Blink | Red | Green | Blue |Intense| Red | Green | Blue |
+-------+-------+-------+-------+-------+-------+-------+-------+
Back to top
SIM11 ON-LINE HELP : a command
SYNOPSIS
a
a index
a index=value1
a index=value1,
a index=value1,value2
DESCRIPTION
In full screen mode, the Memory window contains 16 memory peep lines.
Each line has a pointer, and can be in one of the following 3 modes:
empty - not used.
single - displays single memory location in variuos formats.
multiple - displays for consecutive memory locations in octal.
Empty lines are black.
Single lines have the following format:
[address]: octal decimal low-byte high-byte low-char high-char.
Multiple lines have the following format:
address M[address] M[adderss+2] M[address+4] M[address+6]
With no arguments this command prints the index, pointer and mode of
each line.
With index only, the command empties the specified line.
With one value and no following comma, the command loads the pointer
of the specified line (by "index") with "value1", and sets this line
mode to "single".
With one value and a following comma, the command loads the pointer of
the specified line (by "index") with "value1", and sets this line mode
to "multiple".
With two values separated by a comma, the command loads the pointer of
the specified line (by "index") with "value1", and sets this line mode
to "multiple". It then continues loading consecutive lines (wrapping
from 15 to 0) with advancing pointers, until "value2" is reached, or
all 16 lines are newly loaded.
"index" must be between 0 and 17 (15.). "value" must be a legal memory
address (between 0 and 077776).
Back to top
SIM11 ON-LINE HELP : S command
SYNOPSIS
S [ + | - ]
DESCRIPTION
With a single argument of "+" or "-", this commands scroll the source
window either downwards in the file (+) or upwards in the file (-).
With no arguments, the command re-displays the screen containing the
current line in the middle, (pointed at by the "pc", and specified by
the '>' marker).
Back to top
SIM11 ON-LINE HELP : = command
SYNOPSIS
= expr
DESCRIPTION
Used to evaluate an expression which is the argument to the command.
The result is displayed in the following representations:
one octal word
one signed decimal word
one unsigned decimal word
one hexadecimal word
two octal bytes
two ascii characters
Back to top
SIM11 ON-LINE HELP : F command
SYNOPSIS
F [ + | - ]
DESCRIPTION
With a single argument of "+" or "-", this commands either enables (+)
or disables (-) (the non-GUI) full screen interface.
Full screen interface maintains 7 windows:
REGISTERS - The 7 general registers, the ps, the IR and internal timer.
STACK - The stack contents, aligned by f0 (see hf), '>' - top (sp).
MEMORY - Single or multiple memory peeping window (see ha).
BREAKPOINT - List of active break points (see hb and hd).
INPUT/OUTPUT- Input for TKB, output for TPB.
SOURCE - Source/Object listing (needs *.lst files < 512 lines/file).
TALK - Simulator commands input/output.
With no arguments, it refreshes the screen (in case the simulator is
in full screen mode), and then displays the status of the F flag.
SEE ALSO
f, C, a, S.
Back to top
SIM11 ON-LINE HELP : M command
SYNOPSIS
M [ + | - ]
DESCRIPTION
With a single argument of "+" or "-", this commands either enables (+)
or disables (-) a memory trace, i.e. a display of all the memory loca-
tions which are being accessed during the execution of a program.
Accesses for instruction fetch, data read and data write are all
displayed.
With no arguments, it displays the status of the M flag.
Back to top
SIM11 ON-LINE HELP : T command
SYNOPSIS
T [ + | - ]
DESCRIPTION
With a single argument of "+" or "-", this commands either enables (+)
or disables (-) machine traps. If disabled machine traps cause
simulator to stop execution and print a message.
With no arguments, it displays the status of the T flag.
NOTE: Unless you are sure what you are doing, this flag should be off,
that is T- .
Back to top
SIM11 ON-LINE HELP : h command
SYNOPSIS
h [ command ]
DESCRIPTION
This command allows you to get on-line help from the simulator.
Without an argument a list all available commands is printed.
When an argument is specified, an explanation on how to use that
command is printed.
Back to top
SIM11 ON-LINE HELP : o command
SYNOPSIS
o [ filename ]
DESCRIPTION
This command allows the user to load an object or executable file into
the simulaor.
Without an argument the current object/executable file is re-loaded.
With a filename argument the specified file will be loaded.
If filename contains a suffix if must be either ".o11" or ".x11".
If filename does not contains a suffix, the simulator will first try to
load a file with ".x11" suffix and if failed a file with ".o11" suffix.
Back to top
SIM11 ON-LINE HELP : O command
SYNOPSIS
O
DESCRIPTION
This command allows the user to remake and reload the object/executable
file back into the simulaor.
If no file is already loaded into the simulator, the command fails.
This command does not accept any arguments.
The command activates the program (or batch file) "mk11" and issues the
current object/executable file name as the single argument for "mk11".
Back to top
SIM11 ON-LINE HELP : < command
SYNOPSIS
< [ filename ]
DESCRIPTION
This command allows the user to re-open the standard input file (stdin),
or redirect stdin to another file. Stdin is the source for the
Terminal Keyboard of the simulated machine.
Without an argument, the command will redirect stdin to the terminal,
or to the terminal window in full_screen/window mode.
With one agrument the command will redirect stdin to the specified file.
If the specified file name is @, the current stdin file will be re-opened.
If stdin was not redirected before using the < command, the simulator has
no idea of the current stdin file name, hence the command fails.
Back to top
SIM11 ON-LINE HELP : > command
SYNOPSIS
> [ filename ]
DESCRIPTION
This command allows the user to re-open the standard output file (stdout),
or redirect stdout to another file. Stdout is the target for the
Terminal Printer of the simulated machine.
Without an argument, the command will redirect stdout to the terminal,
or to the terminal window in full_screen/window mode.
With one agrument the command will redirect stdout to the specified file.
If the specified file name is @, the current stdout file will be re-opened.
If stdout was not redirected before using the > command, the simulator has
no idea of the current stdout file name, hence the command fails.
Back to top
SIM11 ON-LINE HELP : L command
SYNOPSIS
L [ + [filename] | - ]
DESCRIPTION
This command allows you to control the logging of the simulator session.
With no arguments it just print the logging status.
With one argument '-' it terns the logging off.
With one argument '+' it turns the logging on to the default file.
With '+' and a filename, it turns the logging on to that file.
There is no need to turn the logging off, before changing to a new file.
The simulator is activated with logging off unless the argument '-r'
or '-l filename' were specified in the command line.
Back to top
SIM11 ON-LINE HELP : q command
SYNOPSIS
q
DESCRIPTION
This command exits the Simulator and returns to the system ("quit").
Back to top
SIM11 ON-LINE HELP : i command
SYNOPSIS
i
DESCRIPTION
This command prints information about the machine configuration,
and the simulator environment.
Back to top
SIM11 ON-LINE HELP : / command
SYNOPSIS
/ addr
DESCRIPTION
The "/" is used to "open" a memory location, i.e. examining its
contents, and being able to modify it and/or use it as addresses to
further memory locations. The syntax requires that an expression
follows the "/", representing the memory location to be opened.
Memory locations are always opened in word size, an odd address opens
the word containing the byte being addressed.
For example "/100" followed by a CR (carriage return) opens location
100 (octal). The location opened can now be modified by entering any
octal number.
Entering a CR after a location has been opened, without preceding it
by any other symbol (see below) or number, results in that location
being "closed" and a prompt for a new command printed.
SUB-COMMANDS (when there is an open location):
. change location forward
^ change location backwards
@ change location indirect
_ change location relative to the PC.
Back to top
SIM11 ON-LINE HELP : $ command
SYNOPSIS
$ reg
DESCRIPTION
This command is similar to the "/" command, but instead of opening
a memory location, it opens a register.
When a register is open, the "_" command is illegal.
Back to top
SIM11 ON-LINE HELP : ^ command
SYNOPSIS
^
DESCRIPTION
Once a location has been opened, the "^" serves to move backwards,
i.e. close the present location and open the preceding one. When
applied to open registers, it results in moving from register "n" to
register "n-1", where r7 follows after r0. Movement through memory
locations is in units of words, i.e. from "m" to "m-2".
Back to top
SIM11 ON-LINE HELP : . command
SYNOPSIS
.
DESCRIPTION
Once a location has been opened, the "." serves to move forward,
i.e. close the present location and open the following one. When
applied to open registers, it results in moving from register "n" to
register "n+1", where r0 follows after r7. Movement through memory
locations is in units of words, i.e. from "m" to "m+2".
Back to top
SIM11 ON-LINE HELP : @ command
SYNOPSIS
@
DESCRIPTION
This symbol is used for "indirect addressing", i.e. the contents of
the open location are interpreted as a memory address and the location
corresponding to that address is opened after the present one is
closed.
Back to top
SIM11 ON-LINE HELP : _ command
SYNOPSIS
_
DESCRIPTION
This symbol is used to interpret PC-relative addresses within the
machine code. It uses the address of the currently open memory loca-
tion plus two, as if it were the contents of the PC, and adds to it
the contents of the memory location as displacement.
For example, if we had "000100/001000" being displayed, entering "_" and
then CR would result in the opening of location 1102 (=(100+2)+1000).
Back to top
SIM11 ON-LINE HELP : p command
SYNOPSIS
p
DESCRIPTION
This is an alias for the general command "c".
Back to top
SIM11 ON-LINE HELP : g command
SYNOPSIS
g [ addr ]
DESCRIPTION
This command is similar to the general command "c" with the difference
that it accepts an argument which is loaded into the PC before start-
ing execution. The argument precedes the command and must be
separated from it by a space. Also, the PS (status word) is zeroed
before control is passed to the program.
If no argument is specified, the PC is loaded with the program entry
point (see "c" command).
Back to top
SIM11 ON-LINE HELP : P command
SYNOPSIS
Pname=value
DESCRIPTION
This command allows the user to change the values of internal parameters
of the simulator.
'Name' must be one of the following, while 'value' can be any legal
expression.
Name Initial Value Usage
------------------------------------------------------------------------
confirm 1 Ask/don't-ask confirmation when quitting.
tks_addr 177560 The address of the TKS i/o register.
tkb_addr 177562 The address of the TKB i/o register.
tps_addr 177564 The address of the TPS i/o register.
tpb_addr 177566 The address of the TPB i/o register.
cks_addr 177546 The address of the CKS register.
rbm_cycle 1 Internal Timer cycles for Read Byte from Memory.
rwm_cycle 1 Internal Timer cycles for Read Word from Memory.
wbm_cycle 1 Internal Timer cycles for Write Byte to Memory.
wwm_cycle 1 Internal Timer cycles for Write Word to Memory.
rbio_cycle 1 Internal Timer cycles for Read Byte from IO (TKB).
rwio_cycle 1 Internal Timer cycles for Read Word from IO (TKB).
wbio_cycle 1 Internal Timer cycles for Write Byte to IO (TPB).
wwio_cycle 1 Internal Timer cycles for Write Word to IO (TPB).
tkb_cycle 1000 Internal Timer cycles to complete a TKB read.
tpb_cycle 1000 Internal Timer cycles to complete a TPB write.
clk_cycle 1000 Internal Timer cycles between Clock interrupts.
idle_increment 500 Internal Timer cycles to jump each time
when 'wait'ing for input on TKB.
Back to top


Inland AIS information¶
Be aware that regulations regarding AIS information content might be different in every country or region according to the local legislation.
Several types of information can be transmitted by Inland AIS.
Static information, which includes : - MMSI, name, call sign, and ENI number. Some ships also have an IMO number. - Type of ship, dimensions (length and beam) and position of the GPS antenna is static information for single ships (not part of a convoy), while this information is voyage-related for convoys. The static information will not change unless the ship changes owner, flag state or any other of the given parameters. The static information will be input and configured during installation and is password protected. An approved, specialised firm for installation should be contacted if one of the static information fields is incorrect.
Dynamic information is all information referring to the movements of a ship, such as position, speed, course and navigational status. Dynamic information is automatically derived from on-board sensors, and includes GPS, heading, and rate of turn indicators if available. Only the navigational status should be input manually via the Minimum Keyboard and Display (MKD) or via a connected, approved input device supporting the MKD functionality.
An approved, specialised firm for installation should be contacted if one of the dynamic information fields is detected to be unreliable.
Voyage-related information is information relating to the voyage of a ship. This includes destination¹ , present draught and hazardous cargo classification (blue cones). For a ship sailing in a convoy, the following information is also required: the length and beam of the convoy (see Annex 2), the position of the GPS antenna, and the ERI ship or convoy type. All voyage-related information should be input manually on the MKD or via a connected, approved input device (e.g. Inland ECDIS supporting the MKD functionality). The proper input is the responsibility of the captain of the ship.
Note: not all information mentioned under voyage-related information is mandatory in all countries.
All information which is input manually must be valid information. If there is no requirement for certain information in a particular country or area, remember that non-valid information is never allowed; the field should be up to date containing correct information or should be set to Not Available.
To summarise: all data transmitted should be correct, including data which is input during installation. The skipper should regularly check that the settings and transmission of his own Inland AIS information are correct.


Denote the physical particle distribution function in question by f (f can be the full-f or δf, depending on the context). The weight of a marker in this note is deﬁned as the number of physical particles carried by f in the corresponding phase-space volume sampled by the marker, i.e.,
|
| (14) |
which, by using Eq. (5), is further written as
|
| (15) |
or, by using Eq. (11), is written as
|
| (16) |
In most PIC codes I wrote, I implement several kinds of marker distribution functions, which can be chosen via an option. In practice, I primarily use the marker distribution g that is uniform in real space and Maxwellian in velocity space with a constant temperature (the other forms of marker distributions are used occasionally for benchmarking purpose), i.e., g is given by
|
| (17) |
where Tg is a constant temperature, Np is the number of markers, and V is the spatial volume of the computational box. This marker distribution satisﬁes the normalization ∫ gdvdr = Np.
[In the literature on δf PIC simulations, the weight deﬁned by diﬀerent authors may diﬀer by a factor and this factor is taken into account when calculating velocity moments using the weight. For example, in Ben’s thesis[?], the weight is deﬁned as wj⋆ = δf∕f0, where f0 is the equilibrium physical distribution function. Assume that f0 is an Maxwellian distribution with constant temperature Tg, then the marker distribution given in Eq. (17) can be written in terms of f0 as g = Npf0∕(n0V ), where n0 is the equilibrium number density. Then wj⋆ and the weight wj deﬁned above is related by
|
| (18) |
As another example, in the GEM code, the particle weight is deﬁned by w⋆ = δf∕g⋆ and g⋆ is chosen as
|
| (19) |
which is related to g deﬁned in Eq. (17) by g = g⋆Np∕V . Here g⋆ satisﬁes the normalization ∫ g⋆dvdr = V . Then the relation of w⋆j in GEM and wj in this note is given by
|
| (20) |
Note that wj⋆ deﬁned here is of number density dimension. Actually used in the code is the normalized weight deﬁned by wj⋆ = wj⋆∕nu, where nu is the number density unit used in GEM. Then the relation between wj and wj⋆ is given by
|
| (21) |
where V = V∕xu3 and xu is the length unit used in GEM.]


cdemi's
05 March 2019 |
Software Development |
Four Startup Engineering Killers (nemil.com) |
| If your startup has yet to find product-market fit, here are four common engineering traps to avoid.... Read more |
.NET |
An update to C# versions and C# tooling (devblogs.microsoft.com) |
| Starting with Visual Studio 2019 Preview 4, we’ll be adjusting how C# versions are treated in .NET tooling.... Read more |
Cloud |
Should Your Cloud Traffic Ride The Bus Or Splurge On A Limo? (packetpushers.net) |
| ThousandEyes’ 2018 Public Cloud Performance Benchmark Report compares overall and regional network performance of AWS, Azure, and Google, including average, normative, and best-in-class performance. This data can help inform your network design choices, and whether you'll want to pay the cloud providers to use their private backbones.... Read more |
Infrastructure |
High performance container networking (microsoft.com) |
| Microsoft is committed to developing technologies that make its data centers the most reliable and high-performance on the planet. Enter Microsoft FreeFlow, jointly developed by researchers at Microsoft Research and Carnegie Mellon University to achieve high performance and good portability.... Read more |
Building network infrastructure with fiber-optic cable - Facebook Code (code.fb.com) |
| We are exploring new approaches to deploying long-haul fiber-optic cable routes between our data centers, particularly in rural areas.... Read more |
Security |
Lessons learned from the Microsoft SOC—Part 1: Organization - Microsoft Security (microsoft.com) |
| Tips on how to manage a security operations center (SOC) to be more responsive, effective, and collaborative.... Read more |
General Tech |
Stuff The Internet Says On Scalability For March 1st, 2019 (highscalability.com) |
| Wake up! It's HighScalability time... Read more |
There's an easter egg to enable Facebook Messenger's dark mode (neowin.net) |
| While dark mode hasn't yet made it to the redesigned Facebook Messenger app, the feature toggle can be enabled in the app's settings by simply sending a crescent moon emoji in any conversation.... Read more |
Cracking Down on the Sale of Fake Accounts, Likes and Followers | Facebook Newsroom (newsroom.fb.com) |
| Facebook and Instagram have filed a lawsuit against Chinese entities for promoting the sale of fake accounts, likes and followers... Read more |
eSports |
Riot Games signs up Nike to make jerseys and footwear for esport players in China (windowscentral.com) |
| This week saw the forming of a new partnership between Riot Games and Nike to provide professional League of Legends players in China with new jerseys and foortwear.... Read more |
|
This newsletter is made with 💖 by cdemi and sponsored by moo Research. You can find this MIT Licensed open-source project on GitHub cdemi/NewsletterCurator. You can also find an archive of all sent newsletters on GitHub at https://cdemi.github.io/NewsletterCurator-Archive/. If you want to unsubscribe from this newsletter, please click here. If you're new and you want to subscribe to this newsletter, please click here. |


CPU¶
API for accessing CPU capabilities.
Typedefs
Functions
-
struct metal_cpu *
metal_cpu_get
(int hartid)¶ Get a reference to a CPU hart.
- Return
- A pointer to the CPU device handle
- Parameters
hartid
: The ID of the desired CPU hart
-
unsigned long long
metal_cpu_get_timer
(struct metal_cpu *cpu)¶ Get the CPU cycle count timer value.
Get the value of the cycle count timer for a given CPU
- Return
- The value of the CPU cycle count timer
- Parameters
cpu
: The CPU device handle
-
unsigned long long
metal_cpu_get_timebase
(struct metal_cpu *cpu)¶ Get the timebase of the CPU.
Get the value of the timebase of the cycle count timer
- Return
- The value of the cycle count timer timebase
- Parameters
cpu
: The CPU device handle
-
unsigned long long
metal_cpu_get_mtime
(struct metal_cpu *cpu)¶ Get the value of the mtime RTC.
Get the value of the mtime real-time clock. The CPU interrupt controller must be initialized before this function is called or the return value will be 0.
- Return
- The value of mtime, or 0 if failure
- Parameters
cpu
: The CPU device handle
-
int
metal_cpu_set_mtimecmp
(struct metal_cpu *cpu, unsigned long long time)¶ Set the value of the RTC mtimecmp RTC.
Set the value of the mtime real-time clock compare register. The CPU interrupt controller must be initialized before this function is called or the return value will be -1;
- Return
- The value of mtimecmp or -1 if error
- Parameters
cpu
: The CPU device handletime
: The value to set the compare register to
-
struct metal_interrupt *
metal_cpu_timer_interrupt_controller
(struct metal_cpu *cpu)¶ Get a reference to RTC timer interrupt controller.
Get a reference to the interrupt controller for the real-time clock interrupt. The controller returned by this function must be initialized before any interrupts are registered or enabled with it.
- Return
- A pointer to the timer interrupt handle
- Parameters
cpu
: The CPU device handle
-
int
metal_cpu_timer_get_interrupt_id
(struct metal_cpu *cpu)¶ Get the RTC timer interrupt id.
Get the interrupt ID of the real-time clock interrupt
- Return
- The timer interrupt ID
- Parameters
cpu
: The CPU device handle
-
struct metal_interrupt *
metal_cpu_software_interrupt_controller
(struct metal_cpu *cpu)¶ Get a reference to the software interrupt controller.
Get a reference to the interrupt controller for the software/inter-process interrupt. The controller returned by this function must be initialized before any interrupts are registered or enabled with it.
- Return
- A pointer to the software interrupt handle
- Parameters
cpu
: The CPU device handle
-
int
metal_cpu_software_get_interrupt_id
(struct metal_cpu *cpu)¶ Get the software interrupt id.
Get the interrupt ID for the software/inter-process interrupt
- Return
- the software interrupt ID
- Parameters
cpu
: The CPU device handle
-
int
metal_cpu_software_set_ipi
(struct metal_cpu *cpu, int hartid)¶ Set the inter-process interrupt for a hart.
Trigger a software/inter-process interrupt for a hart. The CPU interrupt controller for the CPU handle passed to this function must be initialized before this function is called.
- Return
- 0 upon success
- Parameters
cpu
: The CPU device handlehartid
: The CPU hart ID to be interrupted
-
int
metal_cpu_software_clear_ipi
(struct metal_cpu *cpu, int hartid)¶ Clear the inter-process interrupt for a hart.
Clear the software/inter-process interrupt for a hart. The CPU interrupt controller for the CPU handle passed to this function must be initialized before this function is called.
- Return
- 0 upon success
- Parameters
cpu
: The CPU device handlehartid
: The CPU hart ID to clear
-
int
metal_cpu_get_msip
(struct metal_cpu *cpu, int hartid)¶ Get the value of MSIP for the given hart.
Get the value of the machine software interrupt pending bit for the given hart. The CPU interrupt controller for the CPU handle passed as argument to this function must be initialized before this function is called.
- Return
- 0 upon success
- Parameters
cpu
: the CPU device handlehartid
: The CPU hart to read
-
struct metal_interrupt *
metal_cpu_interrupt_controller
(struct metal_cpu *cpu)¶ Get the interrupt controller for the CPU.
Get the CPU interrupt controller. The controller returned by this function must be initialized before any interrupts are registered or enabled and before any exception handlers are registered with this CPU.
- Return
- The handle for the CPU interrupt controller
- Parameters
cpu
: The CPU device handle
-
int
metal_cpu_exception_register
(struct metal_cpu *cpu, int ecode, metal_exception_handler_t handler)¶ Register an exception handler.
Register an exception handler for the CPU. The CPU interrupt controller must be initialized before this function is called.
- Return
- 0 upon success
- Parameters
cpu
: The CPU device handleecode
: The exception code to register a handler forhandler
: Callback function for the exception handler
-
int
metal_cpu_get_instruction_length
(struct metal_cpu *cpu, uintptr_t epc)¶ Get the length of an instruction in bytes.
Get the length of an instruction in bytes.
On RISC-V platforms, this is useful for detecting whether an instruction is compressed (2 bytes long) or uncompressed (4 bytes long).
This function is useful in conjuction with
metal_cpu_get_exception_pc()
andmetal_cpu_set_exception_pc()
in order to cause the exception handler to return execution after the faulting instruction.- Return
- the length of the instruction in bytes
- Parameters
cpu
: The CPU device handleepc
: The address of the instruction to measure
-
uintptr_t
metal_cpu_get_exception_pc
(struct metal_cpu *cpu)¶ Get the program counter of the current exception.
This function must be called within an exception handler. The behavior is undefined outside of an exception handler.
- Return
- The value of the program counter at the time of the exception
- Parameters
cpu
: The CPU device handle
-
int
metal_cpu_set_exception_pc
(struct metal_cpu *cpu, uintptr_t epc)¶ Set the exception program counter.
This function must be called within an exception handler. The behavior is undefined outside of an exception handler.
This function can be used to cause an exception handler to return execution to an address other than the one that caused the exception.
- Return
- 0 upon success
- Parameters
cpu
: the CPU device handleepc
: The address to set the exception program counter to
-
struct
metal_cpu
¶ - #include <cpu.h>
A device handle for a CPU hart.


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Alexis Ren Shares Water-Drenched Pic To Help Save The Coral Reefs
November 21, 2019
Alexis Ren Shares Water-Drenched Pic To Help Save The Coral Reefs
Not only does Alexis Ren look smoking hot in her latest Instagram share, but she’s also using her social media platform for good. The model is collaborating with Coral Gardeners to raise money for the awesome work they’re doing to save our planet.
The brunette looked spectacular in the photo that she posted. According to the geotag, Alexis is currently in Tahiti and spending some time in the ocean. She wore a string bikini and little else in the multi-pic post. Alexis’ long brown hair was drenched with water, and she only wore two chains around her neck.
The series of photos is taken at sunset and much of Alexis’ exquisite features are hidden, which adds to the somber ambiance of the photos.
In the first pic, Alexis looks down at the ocean in a contemplative mood. The shot shows the bikini babe wearing the swimsuit as the sun goes down. The outline of her figure is clearly visible, which excited her millions of fans as she gave them a peek of her stunning form. Alexis’ voluptuous cleavage, strong abs, and full booty are on display as she rises out of the ocean.
The second shot shows a profile of Alexis’ face, shoulders, and breasts. She appears to be leaning on her surfboard in the ocean.
In the final image, Alexis leans her head back into the sea. She closes her eyes in a moment of quiet solitude and enjoyed the tranquility of nature. In the background, the mirror-like quality of the ocean reflects the soft light of the heavens while a few clouds drift by.
In the caption, Alexis mentioned the work she was doing with Coral Gardeners. As the coral reefs are reportedly being wiped out, the campaign’s objective is to raise $100,000 to plant 5,000 reefs in the ocean. So far, they have raised over $60,000 together.
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Alexis said that she was shocked their campaign had garnered so much support. She thanked her followers for also helping to make others aware of the damage to the reefs.
The social media influencer has over 13.4 million followers on Instagram. This particular image has already racked up over 500,000 views. Many also took the time to comment on the stunning photos. While some fans simply posted heart emoji and told the model how beautiful she was, others thought that she was doing some wonderful work.
“Love to our Reefs love your passion for them.”


Collins Place
About Me
(current)
Portfolio
Contact Me
Contact Me
<EMAIL_ADDRESS>|<PHONE_NUMBER>
Name
Email address
Comments
Submit
Copyright of Collin Porter


User app page
This is some text.
Firstname:
Lastname:
Gender:
Male
Female
Other
Email:
Description:
Add user
Users table
The list of registered users:
#
Firstname
Lastname
Gender
Email
Description
1
John
Doe
male
<EMAIL_ADDRESS>some txt
2
Mary
Moe
female
<EMAIL_ADDRESS>some desc
3
July
Dooley
other
<EMAIL_ADDRESS>tl;dr


circuitsascode.interfaces.pmod module¶
PMOD(TM) Plugs & Sockets.
Warning
The pin numbering that Digilent uses for the PMOD connectors is completely different from the numbering used by the KiCad footprints, so use the pin names when assigning connections.
Note
GND/VCC pins on a PMOD plug usually serve as power inputs to a PMOD board. Therefore, these pins feed power to parts on the PMOD board so they are assigned to be POWER OUTPUTS w.r.t. on-board parts.
GND/VCC pins on a PMOD socket usually serve as power outputs from a main board to a PMOD board that is inserted in the socket. Therefore, these pins feed power from the main board to the PMOD board so they are assigned to be POWER INPUTS because some part on the main board has to supply power to them.
Example
>>> from circuitsascode.interfaces.pmod import *
>>> j1 = pmod_plug_6()
>>> j2 = pmod_socket_6()
>>> j3 = pmod_plug_12()
>>> j4 = pmod_socket_12()
>>>
>>> j1["io[0:3]"] += j2["io[0:3]"]
>>> j3["io[0:7]"] += j4["io[0:7]"]
>>>
>>> vcc, gnd = Net("VCC"), Net("GND")
>>>
>>> vcc += j1["VCC"], j2["VCC"], j3["VCC"], j4["VCC"]
>>> gnd += j1["GND"], j2["GND"], j3["GND"], j4["GND"]
- circuitsascode.interfaces.pmod.pmod_plug_12()[source]¶
Returns a 12-pin (2x6) PMOD plug (male header).
- Parameters
None –
- Returns
A Part object for a 12-pin (2x6) PMOD plug (male header).
- circuitsascode.interfaces.pmod.pmod_plug_6()[source]¶
Returns a 6-pin (1x6) PMOD plug (male header).
- Parameters
None –
- Returns
A Part object for a 6-pin (1x6) PMOD plug (male header).


|
Xerces-C++
3.1.4
|
Allow application to force the parser to behave in a security-conscious way. More...
Public Types | |
| enum | { ENTITY_EXPANSION_LIMIT = 50000 } |
Public Member Functions | |
default Constructors | |
| SecurityManager () | |
| Default constructor. More... | |
| virtual | ~SecurityManager () |
| Destructor. More... | |
The Security Manager | |
| virtual void | setEntityExpansionLimit (XMLSize_t newLimit) |
| An application should call this method when it wishes to specify a particular limit to the number of entity expansions the parser will permit in a particular document. More... | |
| virtual XMLSize_t | getEntityExpansionLimit () const |
| Permits the application or a parser component to query the current limit for entity expansions. More... | |
Protected Attributes | |
| XMLSize_t | fEntityExpansionLimit |
Allow application to force the parser to behave in a security-conscious way.
There are cases in which an XML- or XmL-schema- conformant processor can be presented with documents the processing of which can involve the consumption of prohibitive amounts of system resources. Applications can attach instances of this class to parsers that they've created, via the http://apache.org/xml/properties/security-manager property.
Defaults will be provided for all known security holes. Setter methods will be provided on this class to ensure that an application can customize each limit as it chooses. Components that are vulnerable to any given hole need to be written to act appropriately when an instance of this class has been set on the calling parser.
| SecurityManager::SecurityManager | ( | ) |
Default constructor.
|
virtual |
Destructor.
|
virtual |
Permits the application or a parser component to query the current limit for entity expansions.
|
virtual |
An application should call this method when it wishes to specify a particular limit to the number of entity expansions the parser will permit in a particular document.
The default behaviour should allow the parser to validate nearly all XML non-malicious XML documents; if an application knows that it is operating in a domain where entities are uncommon, for instance, it may wish to provide a limit lower than the parser's default.
| newLimit | the new entity expansion limit |
|
protected |


Welcome to My Online Portfolio!
Student in Computer Science with experience and extensive education in software design and application development. Fluent in Georgian and English with excellent communication and interpersonal skills. A fast learner with strong time management and multi-tasking skills. Strong work ethic in team or individual settings to drive product success and process efficiency. Strong troubleshooting and problem solving skills with an analytical mindset. Experienced in object-oriented programming, developing, testing and debugging code.
Student in Computer Science with experience and extensive education in software design and application development. Fluent in Georgian and English with excellent communication and interpersonal skills. A fast learner with strong time management and multi-tasking skills. Strong work ethic in team or individual settings to drive product success and process efficiency. Strong troubleshooting and problem solving skills with an analytical mindset. Experienced in object-oriented programming, developing, testing and debugging code.
Experience
- Android Developer
- CUNYCodes
- September 2017 - Current
- New York, NY
- Intern at Strategic Development Department
- GITA - GEORGIA'S INNOVATION AND TECHNOLOGY AGENCY
- June 2017 - August 2017
- Tbilisi, Georgia
- While interning at Georgia's Innovation and Technology Agency I took a leading role in hosting an Internship Fair for students interested in STEM.
- Android Developer Intern
- iDevelopers
- June 2017 - August 2017
- Tbilisi, Georgia
- Office Assistant, Federal Work-Study (FWS)
- Brooklyn College
- Jan 2016 - Current
- General Assistant
- MG Transportation LLC
- Jun 2015 - Jan 2016
Education
- Brooklyn College (City University of New York)
- Bachelor of Science in Computer Science, GPA: 3.3 | Fall 2018
- Women in Technology and Entrepreneurship in New York (WITNY) Career Access Program | Fall 16
- Relevant courses: Data Structures using STL, Advance Programing Techniques C++, Java, Multimedia Computing.
- University of Georgia
- Bachelor of Science candidate in Informational Technologies | Fall 2012 - Spring 2015
- Women in Technology and Entrepreneurship in New York (WITNY) Career Access Program | Fall 16
- Relevant courses: Data Structures using C++ STL, Java, Multimedia Computing, Graphics, Game development.
Programing languages
Software Skills
Activities
Vide PresidentWomen in Computer Science Club in Brooklyn College | Semptember 2017-Present


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Version |
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--- layout: page title: About header-img: "img/about-bg.png" ---
I'm just a girl, trying to learn to code and do something she enjoys


{{ serviceName }}
Your business needs to be monitored by a supervisory authority if Money Laundering Regulations apply to your business type.
| Iteration | Description |
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| {{ sprintName }} |
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Full service
Run through the service from the start at Government Gateway
Variations and amendments
The application status pages, make a change to your supervision etc.
Page by page breakdown
Links to every page


A Little Set-up: Jedi Academy
I thought about being cheeky and using the wheels and gears classes from POODR (Practical Object-Oriented Design in Ruby), since I know that everyone just loved nine chapters of them. However, I don't know much about grears or wheels, so I am going to go with a subject closer to my heart, the Jedi Academy
We can imagine some basic classes that form out of modeling the Jedi Academy: Academy, Humanoid, Jedi Master, Jedi Knight, Padowan Learner, Ships, Lightsabers, etc. I picked some of the more instructive classes to reference during the rest of the article. These classes will be referenced throughout the article, but please don't worry about memorizing them. When they become important, you can always come back and look.
class Humanoid
attr_reader: :race, :height, :weight
def initialize features = {}
@race = features.fetch(:race, 'human')
@height = features.fetch(:height, 5)
@weight = features.fetch(:race, 65)
@force_potential = features.fetch(:force_potential, 1)
@exhaustion = 0
end
def greet
"Hello"
end
def run
breathe
step 5
end
def breathe
@exhaustion -= 1
end
def step speed
@exhaustion += speed/2
speed - exhaustion
end
end
class PadawanLearner < Humanoid
def initialize features = {}
super features
@master = features.fetch(:master, 'Yoda')
end
end
class JediKnight < PadawanLearner
def initialize features = {}
super features
end
def run
feel_the_force
super()
end
def feel_the_force
@exhaustion -= 2
end
end
class Fighter
attr_reader :pilot, :speed
def initialize options = {}
@payload = options.fetch(:payload, 4)
@pilot = options.fetch(:pilot, Pilot.new)
@attack_speed = options.fetch(:attack_speed, 40)
@speed = options.fetch(:speed, 20)
end
def attack_run target
accelerate_to_attack_speed
puts "They're all over me, keep them off my back Wedge!"
start_targeting_computer target
release_torpeedos
target.explode if @pilot.is_a?(JediKnight)
end
def accelerate_to_attack_speed
@speed += 1 until @speed == @attack_speed
end
def start_targeting_computer target
puts "**dial-up noise**"
end
def release_torpeedos
@payload -= 2
end
end
Using Rspec in OOP Design
On to the meat of the discussion: how to use Rspec in OOP.
Why:
Testing, atleast testing well, reduces the cost of maintaining and creating application that use OOP principles. This is because the tests help to guide the design planning in the right direction, by defining the public interface, the messages, of an application.
The tests expose design flaws, bugs, and dependencies early in the process. this reduces the cost of refactoring later. Well written tests also allow the developer (or another developer) to refactor with impunity, since the test suite alerts her to breaks in dependents as she is developing.
What:
Knowing what to test is then a crucial part of making good tests. It is absolutely possible to test to much; to test things that are transient and likely to change or to test the same thing in multiple places.
Tests should be as DRY as the rest of the application, and should adhere to the single responsiblity principle as much as possible. In tests, it is useful to think of each object being tested as its own mini-application. You can ask it to do things, or give you information. However can't tell it how to do it, or to give you information it isn't programmed to tell you.
Some rules of thumb:
- Test early, often, and preferably first.
- Test an objects public interface (incoming messages)
- Test commands that an object is responsible for sending
The first and second rule are pretty familiar, but some clarification on the second is in order. A test of an objects puplic interface should test the state of a return, (message with input => state of output). This means you aren't testing the behavoir (the internal methods that get invoked as a result).
The third is a bit obtuse. Outgoing messages aren't generally tested, because they are tested on the reciever. However, some outgoing messages result in a side effect that other parts of the program depend on. It is then necessary to test that the message is being correctly sent.
Example:
class Fighter
attr_reader :pilot, :speed #<= Pilot and Speed are part of the public interface and
# should be tested for state
def initialize options = {}
@payload = options.fetch(:payload, 4)
@pilot = options.fetch(:pilot, Pilot.new)
@attack_speed = options.fetch(:attack_speed, 40)
@speed = options.fetch(:speed, 20)
end
def attack_run target #<=attack_run needs to be tested for state true/false
#<=and for increase speed to attack speed
accelerate_to_attack_speed
puts "They're all over me, keep them off my back Wedge!"
start_targeting_computer target
release_torpeedos
target.explode if @pilot.is_a?(JediKnight)
end
def accelerate_to_attack_speed #<=accelerate_to_attack_speed should not be tested, as
# the implementation of how attack_run works is changeable
@speed += 1 until @speed == @attack_speed
end
def start_targeting_computer target
puts "**dial-up noise**"
end
def release_torpeedos
@payload -= 2
end
end
Best Practices in Rspec Syntax
Describe and Context
- group related tests together
- are the same method (kinda)
Describe is used for things, objects, classes, methods, etc. The first block in any Rspec file must be a describe, and that makes sense when you remember that it documents what the test is testing. Context is used for testing the states of objects, the state of the return, etc.
Examples
context JediKnight do
context "#attack_run" do
are not good, but
describe JediKnight do
describe "#attack_run" do
are better.
describe "when a human is exhuasted" do
describe "succeeds if the pilot is a jedi" do
Are no bueno because they are testing for the state of an object or return value, so
context "when a human is exhuasted" do
context "succeeds if the pilot is a jedi" do
Before vs. Let
- before is run before each example, or context
- let is run when, and only if it is invoked
It is good practice to use before for actions, and let for dependencies (things).
Examples
let(:human){Humanoid.new}
before(:each){ human.run}
are both good because they represent a object (a human in the let block) and an action (#run) in the before block. A useful way to think about it is that context and before are often together, becuase context is testing for state, and before takes that actions to get to that state.
It
- don't use 'should' in your test name, it is redundant
- say what will happen, what the expected state is
- use active verbs, like removes, increments, alters, etc.
Examples
context '#greet'
it 'returns the correct string' do
...
end
end
Expect
- use only one expect per test (it block)
- it is okay to have some code before the expect, but only one expectation
Examples
These are not the best
it 'attacks the deathstar'
fighter.attack_run deathstar
expect(fighter.speed).to eq(fighter.attack_speed)
expect(fighter.payload).to eq(2)
end
but could be made into
context '#attack_run' do
before(:each){fighter.attack_run deathstar}
it 'accelerates to attack speed' do
expect(fighter.speed).to eq(fighter.attack_speed)
end
it 'releases two torpeedos' do
expect(fighter.payload).to eq(2)
end
end
Example syntax for:
Describe
...
end
describe "string that identifies a thing to be tested" do
...
end
Context
describe ClassName do
context '#method' do
...
end
context "string that describes an state to be tested" do
...
end
end
Let
describe ClassName do
context '#method' do
let(:thing){Thing.new}
let(:sub_thing){thing.stuff[0]}
...
end
end
Before
describe ClassName do
context '#method' do
let(:thing){Thing.new}
before(:each){thing.grow_up}
...
end
end
It
describe ClassName do
context '#method' do
it 'string to describe the state being tested' do
..
end
end
end
Expect
describe ClassName do
context '#method' do
it 'string to describe the state being tested' do
expect(thing.getting_checked).to matcher(match)
end
it 'string to describe an action being tested' do
expect{thing.grow}.to change{thing.height}.by(1)
end
end
end
Examples for Matchers
Equality
describe ClassName do
context '#method' do
it 'is equal to 1' do
expect(thing.getting_checked).to eq(1) #in more string or array matching this
#doesn't require them to be the same object
**or**
expect(thing.getting_checked).to be(1) #but this will
end
end
end
Comparison
describe ClassName do
context '#method' do
it 'is greater than 1' do
expect(arry.lenght).to be > 1
** it is the same for all comparison operators < > >= <= == !== **
end
end
end
Type
describe ClassName do
context '#method' do
it 'is a instance of ClassName' do
expect(susan).to be_a_kind_of(Person)
expect(susan).to be_a(Person)
expect(jennifer).to be_an(Alien)
expect(bikram).to be_an_instance_of(Hero)
end
end
end
Type
describe ClassName do
context '#method' do
it 'makes an array that is all correct' do
expect([1, 3, 5]).to all( be_odd )
expect([1, 3, 5]).to all( be_an(Integer) )
expect([1, 3, 5]).to all( be < 10 )
end
end
end
Type
describe ClassName do
context '#method' do
it 'makes something that is true' do
expect(jacob).to be_truthy # passes if jacob is not nil or false
expect(stu).to be_falsey # passes if stu is nil or false
expect([1,2,nil][2]).to be_nil # passes if array[2] is nil
expect(obj).to be # shorthand for to be_truthy
end
end
end
Change
describe ClassName do
context '#method' do
it 'changes something' do
expect { do_something }.to change(object, :attribute)
expect { do_something }.to change { object.attribute }
***can be chained with by()
expect { do_something }.to change(object, :attribute)
expect { do_something }.to change { object.attribute }
end
end
end
Include
describe ClassName do
context '#method' do
it 'returns something that includes a value'
expect("a string").to include("a")
expect("a string").to include("str")
expect("a string").to include("str", "g")
expect("a string").not_to include("foo")
expect([1, 2]).to include(1)
expect([1, 2]).to include(1, 2)
expect([1, 2]).not_to include(17)
end
end
end