<?php namespace CodeIgniter\HTTP\Files; /** * CodeIgniter * * An open source application development framework for PHP * * This content is released under the MIT License (MIT) * * Copyright (c) 2014-2019 British Columbia Institute of Technology * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * @package CodeIgniter * @author CodeIgniter Dev Team * @copyright 2014-2019 British Columbia Institute of Technology (https://bcit.ca/) * @license https://opensource.org/licenses/MIT MIT License * @link https://codeigniter.com * @since Version 3.0.0 * @filesource */ /** * Class FileCollection * * Provides easy access to uploaded files for a request. * * @package CodeIgniter\HTTP\Files */ class FileCollection { /** * An array of UploadedFile instances for any files * uploaded as part of this request. * Populated the first time either files(), file(), or hasFile() * is called. * * @var array|null */ protected $files; //-------------------------------------------------------------------- /** * Returns an array of all uploaded files that were found. * Each element in the array will be an instance of UploadedFile. * The key of each element will be the client filename. * * @return array|null */ public function all() { $this->populateFiles(); return $this->files; } //-------------------------------------------------------------------- /** * Attempts to get a single file from the collection of uploaded files. * * @param string $name * * @return UploadedFile|null */ public function getFile(string $name) { $this->populateFiles(); if ($this->hasFile($name)) { if (strpos($name, '.') !== false) { $name = explode('.', $name); $uploadedFile = $this->getValueDotNotationSyntax($name, $this->files); return ($uploadedFile instanceof UploadedFile) ? $uploadedFile : null; } if (array_key_exists($name, $this->files)) { $uploadedFile = $this->files[$name]; return ($uploadedFile instanceof UploadedFile) ? $uploadedFile : null; } } return null; } //-------------------------------------------------------------------- /** * Checks whether an uploaded file with name $fileID exists in * this request. * * @param string $fileID The name of the uploaded file (from the input) * * @return boolean */ public function hasFile(string $fileID): bool { $this->populateFiles(); if (strpos($fileID, '.') !== false) { $segments = explode('.', $fileID); $el = $this->files; foreach ($segments as $segment) { if (! array_key_exists($segment, $el)) { return false; } $el = $el[$segment]; } return true; } return isset($this->files[$fileID]); } //-------------------------------------------------------------------- /** * Taking information from the $_FILES array, it creates an instance * of UploadedFile for each one, saving the results to this->files. * * Called by files(), file(), and hasFile() */ protected function populateFiles() { if (is_array($this->files)) { return; } $this->files = []; if (empty($_FILES)) { return; } $files = $this->fixFilesArray($_FILES); foreach ($files as $name => $file) { $this->files[$name] = $this->createFileObject($file); } } //-------------------------------------------------------------------- /** * Given a file array, will create UploadedFile instances. Will * loop over an array and create objects for each. * * @param array $array * * @return array|UploadedFile */ protected function createFileObject(array $array) { if (! isset($array['name'])) { $output = []; foreach ($array as $key => $values) { if (! is_array($values)) { continue; } $output[$key] = $this->createFileObject($values); } return $output; } return new UploadedFile( $array['tmp_name'] ?? null, $array['name'] ?? null, $array['type'] ?? null, $array['size'] ?? null, $array['error'] ?? null ); } //-------------------------------------------------------------------- /** * Reformats the odd $_FILES array into something much more like * we would expect, with each object having its own array. * * Thanks to Jack Sleight on the PHP Manual page for the basis * of this method. * * @see http://php.net/manual/en/reserved.variables.files.php#118294 * * @param array $data * * @return array */ protected function fixFilesArray(array $data): array { $output = []; foreach ($data as $name => $array) { foreach ($array as $field => $value) { $pointer = &$output[$name]; if (! is_array($value)) { $pointer[$field] = $value; continue; } $stack = [&$pointer]; $iterator = new \RecursiveIteratorIterator( new \RecursiveArrayIterator($value), \RecursiveIteratorIterator::SELF_FIRST ); foreach ($iterator as $key => $value) { array_splice($stack, $iterator->getDepth() + 1); $pointer = &$stack[count($stack) - 1]; $pointer = &$pointer[$key]; $stack[] = &$pointer; if (! $iterator->hasChildren()) { $pointer[$field] = $value; } } } } return $output; } //-------------------------------------------------------------------- /** * Navigate through a array looking for a particular index * * @param array $index The index sequence we are navigating down * @param array $value The portion of the array to process * * @return mixed */ protected function getValueDotNotationSyntax($index, $value) { if (is_array($index) && ! empty($index)) { $current_index = array_shift($index); } if (is_array($index) && $index && is_array($value[$current_index]) && $value[$current_index]) { return $this->getValueDotNotationSyntax($index, $value[$current_index]); } return (isset($value[$current_index])) ? $value[$current_index] : null; } }


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{% extends 'base.html' %} {% block content %}
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PANIC (director/writer: Henry Bromell; cinematographer: Jeffry Jur; editor: Lynzee Klingman/Cindy Mollo; cast: William H. Macy (Alex), Donald Sutherland (Michael), Neve Campbell (Sarah), Tracey Ullman (Martha), John Ritter (Dr. Josh Parks), Barbara Bain (Deidre), David Dorfman (Sammy), Miguel Sandoval (Detective); Runtime: 88; Roxie Releasing; 2000)
Reviewed by Dennis Schwartz
A solid psychological suspense yarn that plays like a modern noir, but one that comes to a screeching dead-end after its subject matter becomes exhausted and it decides to solve its moral dilemma with bullets instead of with the mind. Alex (Macy) is an emotionless, mild-mannered man of middle-age, who has a nagging psychological problem that is making him feel weird. His family doctor suggests he see a therapist about his midlife crisis. While in the therapist's waiting room, he strikes up a conversation with an outspoken 23-year-old beautician named Sarah (Neve), who is waiting to see another therapist. He becomes strangely attracted to her and feels compelled to see her again. Sarah's private life is chaotic and much looser than his, as she's attracted to both men and women. She feels that this married man who has a 6-year-old son, will only use her for sex and dump her when he has no more need for her body.
Alex tells the therapist, Dr. Parks (Ritter), that he has two jobs -- a mail-order business run out of his home and he works for his father (Sutherland) as a professional hit man: he kills people. He wants to leave the family business but doesn't know how to. His father trained him at an early age to be in the murder for hire business by killing squirrels as a child. His occupational secret is something that only his creepy mother Deidre (Bain) knows about outside of him and his father. His wife Martha (Ullman) has no clue, while his precocious son Sammy (Dorfman) is gently handled by him; father and son spend quality time together talking about such things as infinity.
The main plot development occurs when his mother gets it out of him that he's seeing a shrink, and she tells hubby. Since one of the rules of the family business is to tell no one else what their business is, the father orders his son's next contract to be Dr. Parks.
The tension builds for Alex as he wrestles with how to handle dad, how to raise his son, how to reconcile his already weakened sanity if he kills his shrink, and how to handle his feelings for Sarah and his wife.
It's a smart film with weighty dialogue to bring the story to the height of its dilemma in such a crisp way. It builds in tension to show how unhappy Alex is with his bourgeois life and how unhappy Sarah is with her bohemian party lifestyle. But his dilemma is the greater, as he is drawn out by his therapist to ask himself questions that he doesn't want to answer but is now forced to.
What keeps the film compelling is the shaded introspective performance by Macy who ably anchors the film, as he allows us to see who and what he is; and, more importantly what suffering he is now going through. Sutherland's performance is devilishly demonic, and in his understated call for violence gives voice to a very scary character who gets under our skin. Bain's complicity with Sutherland adds to the psychological trauma of the Macy character. In contrast to the men, Neve Campbell's performance is loud and reaching. As a character-driven film, it is handled with a quiet reassurance by first-time director but experienced screenwriter Henry Bromell. Panic plays like an episode for Homicide does that has become more invigorated with psychological possibilities. Bromell, the Homicide cop-show writer, has made a TV cop drama come to life as a B movie that can't get away from TV's weakness of hanging a moral ending onto its dramatics. But, nevertheles, I still found it to be a hit man movie with a heart and a brain, a film that keeps a low profile while taking you on a mind trip laced with bitter irony.
REVIEWED ON 7/9/2001 GRADE: B
Dennis Schwartz: "Ozus' World Movie Reviews"
http://www.sover.net/~ozus
<EMAIL_ADDRESS>© ALL RIGHTS RESERVED DENNIS SCHWARTZ
========== X-RAMR-ID: 28684 X-RT-AuthorID: 1315 X-RT-TitleID: 1104207 X-RT-RatingText: B
The review above was posted to the
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The Internet Movie Database accepts no responsibility for the contents of the
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Related links: index of all rec.arts.movies.reviews reviews


--- layout: project category: project date: 2015-04-30 title: Crayola Color Force description: Data visualization featuring Crayola Crayon colors tags: ---


- ScheduleDay() - Method in class businessmodel.Scheduler
-
A method to schedule a new day.
- scheduleOrder(Order) - Method in class businessmodel.SpecificationBatch
-
- Scheduler - Class in businessmodel
-
A Class that represents a scheduler for an AssymblyLine.
- SchedulerTest - Class in test
-
- SchedulerTest() - Constructor for class test.SchedulerTest
-
- SchedulingAlgorithm - Class in businessmodel
-
An abstract class representing a scheduling algorithm.
- SchedulingController - Interface in control
-
- SchedulingHandler - Class in control
-
- SchedulingHandler(Model) - Constructor for class control.SchedulingHandler
-
- SchedulingView - Class in ui
-
- SchedulingView(Model, User) - Constructor for class ui.SchedulingView
-
- Seats - Class in businessmodel.category
-
Class representing a seats category.
- Seats() - Constructor for class businessmodel.category.Seats
-
Creates a new seats category.
- selectAlgorithm(String, VehicleOption) - Method in interface control.SchedulingController
-
- selectAlgorithm(String, VehicleOption) - Method in class control.SchedulingHandler
-
- setCompleted() - Method in class businessmodel.order.Order
-
Sets the order to completed.
- setCompletionDateOfOrder(DateTime) - Method in class businessmodel.order.Order
-
Sets the completion date of the order to the given completion date.
- setEstimatedDeliveryDateOfOrder(DateTime) - Method in class businessmodel.order.Order
-
Sets the estimated delivery date of the order to the given date.
- setPlacedOnAssemblyLineOfOrder(DateTime) - Method in class businessmodel.order.Order
-
Sets the time the order was placed on the assembly line to the given time.
- setTimestampOfOrder(DateTime) - Method in class businessmodel.order.Order
-
Sets the time the order was placed to the given time.
- setUp() - Method in class test.AssemblyLineTest
-
- setUp() - Method in class test.VehicleModelSpecificationTest
-
- setUp() - Method in class test.VehicleModelTest
-
- setUp() - Method in class test.CatalogTest
-
- setUp() - Method in class test.ControllerTest
-
- setUp() - Method in class test.ExceptionTest
-
- setUp() - Method in class test.OrderManagerTest
-
- setUp() - Method in class test.OrderTest
-
- setUp() - Method in class test.RestrictionTest
-
- setUp() - Method in class test.SchedulerTest
-
- setUp() - Method in class test.UserManagementTest
-
- setUp() - Method in class test.UserTest
-
- setUp() - Method in class test.WorkPostTest
-
- setUpBeforeClass() - Static method in class test.SchedulerTest
-
- Shift - Class in businessmodel
-
A class that represents a Shift.
- SingleTaskOrder - Class in businessmodel.order
-
Class representing a single task order.
- SingleTaskOrder(User, ArrayList<VehicleOption>, DateTime) - Constructor for class businessmodel.order.SingleTaskOrder
-
Creates a new single task order with a given user, set of options and user end date.
- SingleTaskOrderController - Interface in control
-
- SingleTaskOrderHandler - Class in control
-
- SingleTaskOrderHandler(Model) - Constructor for class control.SingleTaskOrderHandler
-
- SpecificationBatch - Class in businessmodel
-
A class representing a specification batch scheduling algorithm.
- SpecificationBatch(Scheduler, VehicleOption) - Constructor for class businessmodel.SpecificationBatch
-
Creates a specification batch algorithm with a scheduler and an option to schedule to options from.
- Spoiler - Class in businessmodel.category
-
Class representing a spoiler category.
- Spoiler() - Constructor for class businessmodel.category.Spoiler
-
Creates a new spoiler category.
- SportBodyRestriction - Class in businessmodel.restrictions
-
A class representing a restriction that checks for the mandatory options and
categories for a set of options with a sport body.
- SportBodyRestriction() - Constructor for class businessmodel.restrictions.SportBodyRestriction
-
Creates a new restriction.
- StandardVehicleOrder - Class in businessmodel.order
-
A class representing a standard car order.
- StandardVehicleOrder(User, ArrayList<VehicleOption>, VehicleModel) - Constructor for class businessmodel.order.StandardVehicleOrder
-
Creates a new standard car order with a given user, a set of options and a car model.
- StandardOrderController - Interface in control
-
- StandardOrderHandler - Class in control
-
- StandardOrderHandler(Model) - Constructor for class control.StandardOrderHandler
-
- StatisticsManager - Class in businessmodel.statistics
-
Class representing a statistics manager for the system, which holds the statistics objects.
- StatisticsManager(OrderManager) - Constructor for class businessmodel.statistics.StatisticsManager
-
Creates a new statistics manager with a given order manager.
- StatisticsView - Class in ui
-
- StatisticsView(Model, User) - Constructor for class ui.StatisticsView
-
- Subject - Interface in businessmodel.observer
-
An interface that can be implemented by a class to utilize the observer design pattern.
- subscribeObserver(Observer) - Method in class businessmodel.AssemblyLine
-
- subscribeObserver(Observer) - Method in interface businessmodel.observer.Subject
-
Registers a new observer which will be notified every time important data of
the subject is changed.
- subscribeObserver(Observer) - Method in class businessmodel.OrderManager
-
- subscribeObserver(Observer) - Method in class businessmodel.Scheduler
-


interface CommandData
Marker interface for classes that represent commands
MoveCommand |
A common move command for contract states which can change owner. interface MoveCommand : CommandData |
TypeOnlyCommandData |
Commands that inherit from this are intended to have no data items: it's only their presence that matters. abstract class TypeOnlyCommandData : CommandData |


PhoPhyClear(PI): (Funding body: GCRF)
Coupling photocatalysis and membrane technologies for the removal of microplastics from drinking water in remote areas: Combining microfiltration and advance oxidation processes, we will develop a proof-of-concept process that can be applied in remote areas and remove most types of microplastics efficiently, independently of the size and shape.
Collaborations: Dr Bernardo Castro Dominguez/Dr Emma Emanuelsson (University of Bath, UK), Dr Tanakorn Chantasuban (Prince of Songkla University, Thailand), Prof Jose María Monteagudo/Prof Antonio Duran (University of Castilla-La Mancha, Spain).
Treatment of microplastics in wastewater(Co-I): (Founding body: UK Catalysis Hub)
The project aims to develop a high surface area oxidation or reforming catalyst for the treatment of dry sludge; to examine the effect of metal, N and P containing compounds on the catalytic treatment; and to assess the ability to separate the catalyst from the treated sludge and examine its recyclability.
Collaborations: Prof Chris Hardacre (PI) (University of Manchester, UK), Prof Davide Mattia (University of Bath, UK).


Notebooks
Story: Locusts or ||kabba-|kha
Locusts or ||kabba-|kha
Title
Locusts or ||kabba-|kha
Collection
Summary
A note on the locust and its names, proper and |xam, as well as its appearance.
Comments
1) This story is found in Book VIII-8
Contributors
|han≠kass'o (Klein Jantje) (VIII)
Date
April 1878
Categories
Keywords
insect (locusts or ||kabba-|kha) , locust (or ||kabba-|kha) , locust (and the wind) , locust (the appearance of) , locust (Acridium ruficorne) , locust (the !na resembles) , wind (and locusts or ||kabba-|kha) , name (locusts are called ||kabba-|kha)
Story Pages
6688v


REPORTER\-MAILX
Section: LIBREPORT MANUAL (1)Updated: 06/28/2012
Index Return to Main Contents
NAME
reporter-mailx - Sends contents of a problem directory via email.SYNOPSIS
reporter-mailx [-v] -d DIR [-c CONFFILE]
DESCRIPTION
The tool reads a problem directory, composes an email message from the directory contents, and uses mailx to send the message to specified recipient.
Properties of email messages can be specified in a configuration file, and via environment variables.
Configuration file
Configuration file contains entries in a format "Option = Value".
The options are:
Subject
- The subject of the email message.
EmailFrom
- The sender of the email message.
EmailTo
- The recipient of the email message.
SendBinaryData
- Use yes/true/on/1 to attach all binary files from the dump directory to the email. This can cause the emails to be very large.
Integration with ABRT events
reporter-mailx can be used as a reporter, to allow users report problems via email when they decide to do it. This usage is pre-configured in /etc/libreport/events.d/mailx_event.conf:
-
EVENT=report_Mailx reporter-mailx
It can also be used to notify administrator automatically when a problem happens. When this is desired, modify the event configuration file to run the tool on the post-create event:
-
EVENT=post-create reporter-mailx
OPTIONS
-d DIR
- Path to problem directory.
-c CONFFILE
- Path to configration file. When used in ABRT event system, the file contains site-wide configuration. Users can change the values via environment variables.
ENVIRONMENT VARIABLES
Environment variables take precedence over values provided in the configuration file.
Mailx_Subject
- Subject of the email message.
Mailx_EmailFrom
- Sender of the email message.
Mailx_EmailTo
- Recipient of the email message. If nor the environment variable nor the corresponding option is defined, the message is send to "root@localhost".
Mailx_SendBinaryData
- Use yes/true/on/1 to attach all binary files from the dump directory to the email.
AUTHORS
- * ABRT team
Index
This document was created by man2html, using the manual pages.
Time: 05:29:10 GMT, December 24, 2015


Development and Application of a Direct Numerical Method
for Reactive Transport Processes in Bubble Systems
Dennis Hillenbrand, Holger Marschall
Structure SPP 1740
Scientific relevance
“The reviewed literature identifies no clear window of operating
conditions and hydrodynamic parameters at which Taylor flow offers the highest mass transfer”
Industrial relevance
Used for microfluidic applications
High mass and heat transfer rates
High mixing rates within liquid slugs
Configurable flow characteristics
Numerical challenges
Bubble deformation
Resolution of
Thin film region
Species boundary layer
Wake structures
Results in very fine meshes with many cells!
Reduced complexity
Experiments and simulations show rotational symmetric hydrodynamics for $Re < 200$
Highly resolved simulations possible for quasi-3D domains
BUT : Axisymmetric treatment not yet implemented!
Three Goals for Taylor bubbles
1. Validation against experiments
2. Investigation of local selectivity
3. Mass transfer correlations
1. Experimental validation
⟶
bubble shape
⟷
rise velocity and flow patterns
2. Local selectivity
Competitive consecutive schemes
$$A + B \xrightarrow{k_1} P$$
$$A+P \xrightarrow{k_2} S$$
Variable parameters for reaction rates are
$Da_1 = \frac{k_1 d}{U}$ and
$\kappa = \frac{k_2}{k_1}$
Important parameter: local selectivity
$$Sel_\text{P, A} = \frac{r_1 - r_2}{r_1+r_2} = \frac{c_B - \kappa c_P}{c_B+\kappa c_P}$$
2. Local selectivity
Influence of wake structure on local selectivity
Side product mainly produced along vortex structure
Product selectivity reduced along vortex structures
3. Mass transfer correlations
Correlations available in literature for physisorption
Mainly for smaller channels $d \le 2 mm$
Applicable in a limited range of characteristic parameters
Taylor flow can reduce mass transfer due to saturation in the film between bubble and wall
No correlation for enhancement by reaction in bulk phase found
Next steps
Validate hydrodynamics against experimental results (TUHH)
Estimate parameter range with simplified setup
Two-phase simulations with
highly resolved meshes
SGS model (?)
Gain insight into local selectivity fields
Obtain mass transfer correlations including reactions
Thank you for your attention!
Remaining questions?
We kindly acknowledge the financial support of the DFG during the SPP 1740!


Reports from __future__ import
statements that are used not at
the beginning of a file.
Example:
a = 1
from __future__ import print_function
print()
When the quick-fix is applied, the code changes to:
from __future__ import print_function
a = 1
print()


{% extends "skeleton.html" %} {% block body %}
Error was happen in application backend. Please ration time for workers to fix. Bugs wills be sent to Gulag!


{% extends "base.html" %} {% block body %}
Bouncy Bullfrogs is an American multinational technology company with headquarters in Python Discord. It develops, manufactures, licenses, supports, and sells computer software and related services. Its best known software products are the Bouncy Bullfrog Mail and Bouncy Bullfrog Search.
In 1999, it was the world's largest software maker by revenue. The word "Bouncy Bullfrog" is an ingenuine created by its pioneers. Bouncy Bullfrog is ranked No. 30 in the 1998 Fortune 500 rankings of the largest United States corporations by total revenue. It is considered one of the Big Five technology companies alongside Amazon, Apple, Google, and Facebook.
Developed by Zuck, Arhaan, Multi, FantasticHD, and nopeless


About
My work
Contact
I am getting better everyday!
that is what counts!
These are some of my projects
If you are interested in my work, please contact me as below!
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| Package | Description |
|---|---|
| org.cooperari.feature |
Root package for feature implementations.
|
| org.cooperari.feature.atomic |
Yields points for methods in
java.util.concurrent.AtomicXXX
classes. |
| org.cooperari.feature.data |
Support for data access yield points and race detection.
|
| org.cooperari.feature.hotspots |
Hotspot reachability feature.
|
| org.cooperari.feature.monitor |
Yield point support for Java monitor operations and related
deadlock detection.
|
| org.cooperari.feature.thread |
Yield point support
Thread life-cycle methods. |
| org.cooperari.feature.threadrunner |
Support for the "fork-and-join" thread runner.
|
| org.cooperari.feature.unsafe |
Support for yield points in calls to methods to
sun.misc.Unsafe . |
| Modifier and Type | Method and Description |
|---|---|
static List<CFeature> |
CAllFeatures.getFeatures()
Get list of all features.
|
| Modifier and Type | Class and Description |
|---|---|
class |
CAtomicObjectsFeature
Feature handler for yield points defined by calls to methods in the
java.util.concurrent.atomic package. |
| Modifier and Type | Class and Description |
|---|---|
class |
CDataAccessFeature
Handler for data access yield points.
|
| Modifier and Type | Class and Description |
|---|---|
class |
CHotspotFeature
Hotspot reachibility feature.
|
| Modifier and Type | Class and Description |
|---|---|
class |
CMonitorFeature
Handler for monitor yield points.
|
| Modifier and Type | Class and Description |
|---|---|
class |
CThreadFeature
Thread life-cycle yield points feature.
|
| Modifier and Type | Class and Description |
|---|---|
class |
CThreadRunnerFeature
Thread runner feature (support for
CSystem.forkAndJoin(java.lang.Runnable...) ). |
| Modifier and Type | Class and Description |
|---|---|
class |
CSunMiscUnsafeFeature
Feature handler for yield points defined by calls to methods in the
sun.misc.Unsafe class. |
Copyright © 2021 Cooperari. All rights reserved.


NOTE: This document is being persued as an Internet-Draft for standardisation with the IETF.
This page is out of date, and you should look here for the document that replaces this:
[Internet-Draft] - [Editor's HTML Draft] - [Editor's TXT Draft] - [Github]


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Updated to 0.0.4
Changes
Added MyAnimeList Integration.
Added Download All episodes to Utility Bar.
Fixes
Remove Social Share
should work globally now.
Release Notes:
https://github.com/lap00zza/9anime-Companion/releases/tag/0.0.4
9anime
Companion
A simple companion extension for 9anime
Hover over an option for more information. Click on the eye to see screen-shot.
Global
Pin Anime Icons
Remove Ads
Remove Social Share
Watch Page
Minimal Mode
Resize/Center Player
Remove Comments
Remove You Might Also Like
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Unitarian Universalist Association
Building a community backbone
- Strategic and technical Drupal development
- Data architecture
- Solid knowledge of PHP, MySQL and front-end technologies
- Project management
- Large-scale project planning
- User-centric product design
The Unitarian Universalist Association provides a home for anyone with a desire to connect with their personal spiritual path. They are inclusive and pluralistic. All of their communal activity — whether under a roof, online, or in an app — is purposed toward creating a place where anyone can go to align with love, justice, and peace.
CoLab felt an alignment of ideals. Here was an opportunity to serve an organization that provided space for people to explore their connectedness and higher purpose.
Before CoLab, UUA was moving in a great direction. They already had a team composed of talented tech experts: a web manager, front-end and back-end systems architects, and a design firm they had partnered with, Proverb. They had vision and lots of spreadsheets. They didn’t need a whole team takeover. They needed people who could collaborate with their internal team in addressing specific challenges.
UUA was approaching a major milestone in their online presence, but they were locked into a proprietary CMS that did not allow quick and easy connection between everyone in the UUA community. They needed a more effective way to spread their message. It would be a huge project: create and connect three websites, transfer data from old to new sites, and manage the different needs of each site. While the UUA team was hugely tech-savvy, they had never approached a project of this size before. It was CoLab’s task not only to help them with the development and migration, but also to train their team on our established processes for large-scale tech deliveries.
We started with four months of planning and training, laying the foundation for a rewarding collaborative effort. We took the data they had compiled, and reimagined it through the lens of user-experience, shifting focus to the user. Next came analysis and refiguring. Their system drove three websites and operated with even more back-end systems. We needed to make sure these systems were speaking to each other properly. We approached this complex network by using a combination of multi-site architectures, featurized modules, and internal data architecture.
This process was not without its setbacks, and we didn’t get everything right on the first try. Herein lies one of our greatest successes with the UUA project: we stuck with them for the long haul, problem-solved, improved, and grew along side them. The relationships between the UUA team and CoLab is strong. That is our greatest indicator of success with this project: the mutual trust and appreciation that exists between our team and theirs.
But, don’t take our word for it.
The UUA came to CoLab as an unusual kind of client — our IT Web Team wanted to hire CoLab to teach us how to move our large site into Drupal, doing the tough stuff and showing us how to do the run-of-the-mill Drupal work. Rather than giving CoLab a spec or RFP and waiting for them to deliver a website, we said, "Show us how!"
Learning Drupal development has been a hard climb — Drupal is as complex as we had heard — and we are also learning Agile development, automated testing, and other best practices. What’s been exciting about working with CoLab is that there’s a depth of experience in a wide range of development technologies and methodologies, so we’ve been able to avoid stupid mistakes and learn to do things right.
Because our project includes three websites, we assumed that we’d be using Domain Access, the Drupal module that’s built for serving multiple websites from a single installation. CoLab was reluctant, because of the complexity of the module and the difficulty in getting it to work with other Drupal modules. When we eventually talked to Acquia — the center of the Drupal universe — they admitted that they’d never done a really successful Domain Access project. CoLab saved us from a costly mistake, and is working on a simpler way to get us what we need.


It's just beyond the vault.  All the Glory belongs to You!!!! https://instagram.com/p/4m5W4sBMzj/


Click on a league to enter game information for that league.
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10 Oct 2014
Oh Oh Oh! The lesson in book writing is that it is both terrible and addictive. That is, right as we wrapped the second edition of the OpenStack Cookbook, I promised myself "Never again!".
Now, some number of months later, Kevin and myself, we've chatted a bit, and have decided to go down that road to update the book again. Indeed, we're also looking at bringing Egle along for the ride this time.
3rd Edition Highlights
The third edition will target either a late Juno or early Kilo release (Hooray Relevancy!). In addition to general updates, were adding or overhauling the following:
- OpenStack Datacenter Automation
- OpenStack Scaling
- Image Management & Conversion
- More Operations Recipes
- HTTPS!
- OpenStack Heat
- Additional Neutron Services (LBaaS, VPNaaS)
- Using 3rd Party drivers
09 Oct 2014
I found this morning I was in a bit of a blogging slump. That is, I'd not posted anything in quite a while, even though I have plenty of exciting things going on at the moment. So, with that said, happening across this post by Greg Ferro (@etherealmind), I thought I'd jump into the fray.
I encourage you to do the same.
12 Sep 2014
I've found overtime my reading habbits have changed from mostly tech books to a fair mix of things, with some things that suprised even me... business books. o.O? Here's what's currently on my list and in progress, first the boring ones:
Then on the more fun side:
10 Sep 2014
Found myself in some training this last week using MariaDB, and being that I like to get a bit more hands on than most, using the class provided lab environment wasn't going to cut it. This meant wrapping some scripting into a Vagrant environment so I could reliably reporduce the three node lab.
Getting Started
You'll need Vagrant and Git. It's also preferred that you have vagrant-cachier installed. You should have vagrant-cachier anyways, but alas, that is not for right now. Once you have these out of the way, do the following:
git clone https://github.com/bunchc/mariadb-galera-vagrant.git
cd mariadb-galera-vagrant
vagrant up
Validating the Cluster
After a few minutes, you should be able to log into any of the nodes. Specifically, node-01 will be used to 'bootstrap' the cluster, the other two nodes will join from there.
To validate the cluster:
vagrant ssh mariadb-02
sudo su -
mysql -uroot
SHOW GLOBAL STATUS LIKE 'wsrep%';
You should be able to do the above from any of the nodes in the cluster.
19 Aug 2014
As I start to move from OpenStack Compute Cells in Devstack to OpenStack Compute Cells physicall, I needed to re-think my homelab some. It had been running some variation of vsphere and the OpenStack Cookbook work from various projects prior. Basically, it was a Hodor of a home lab.
Hodor!
Rather than lose a bit of hardware to foreman, or one of the new razor forks (I may still go this route later), I decided instead to pound a Raspberry Pi into service. To turn the rPI into a usable provisioning server, I did the following:
- Provision a 16gb card with Raspbian
- Beat Networking Into Submission
- Setup IP Tables for Nat
- Configure DHCP, PXE, TFTP, etc
We'll skip step 1 as the folks at raspberrypi.org cover that pretty well already.
Beat Networking Into Submission
So the rPI does some auto-hotplugging bits that can cause you some issues if you try to use both wifi and ethernet at the same time. If you're not expecting them, well... let's just say I spent too long trying to solve before googling the problem. Here's what my networking config files look like:
# cat /etc/network/interfaces
auto lo
iface lo inet loopback
auth eth0
allow-hotplug eth0
iface eth0 inet static
address <IP_ADDRESS>
netmask <IP_ADDRESS>
auto wlan0
allow-hotplug wlan0
iface wlan0 inet static
wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
address <IP_ADDRESS>
netmask <IP_ADDRESS>
broadcast <IP_ADDRESS>
gateway <IP_ADDRESS>
iface default inet dhcp
# cat /etc/default/ifplugd
INTERFACES="eth0"
HOTPLUG_INTERFACES="eth0"
ARGS="-q -f -u0 -d10 -w -I"
SUSPEND_ACTION="stop"
Once you have that, reboot the rPI and you should be good to go.
Setup IP Tables for NAT
This is also pretty well straight forward, but for some reason I end up googling it each time. Here it is for reference:
# NAT
iptables --table nat --append POSTROUTING --out-interface wlan0 -j MASQUERADE
iptables --append FORWARD --in-interface eth0 -j ACCEPT
iptables-save | sudo tee /etc/iptables.conf
iptables-restore < /etc/iptables.conf
sh -c "echo 1 > /proc/sys/net/ipv4/ip_forward"
sed -i "s/exit 0/iptables-restore < \/etc\/\iptables.conf \nexit 0/g" /etc/rc.local
sed -i "s/#net.ipv4.ip_forward=1/net.ipv4.ip_forward=1/g" /etc/sysctl.conf
Configure DHCP, PXE, TFTP, etc
This one is a bit more involved, but is all done via the following bash commands:
MY_IP=$(ifconfig eth0 | awk '/inet addr/ {split ($2,A,":"); print A[2]}')
# Install the things
sudo apt-get install -y dnsmasq nfs-kernel-server syslinux-common
# Setup some shell folders
sudo mkdir -p /tftpboot/images/ubuntu/14.04/amd64
sudo cp -r /usr/lib/syslinux/* /tftpboot/
sudo mkdir -p /tftpboot/pxelinux.cfg/Ubuntu
sudo cp /usr/lib/syslinux/vesamenu.c32 /tftpboot/
# Create a pxe.conf file
sudo cat > /tftpboot/pxelinux.cfg/pxe.conf <<EOF
MENU TITLE PXE Server
NOESCAPE 1
ALLOWOPTIONS 1
PROMPT 0
MENU WIDTH 80
MENU ROWS 14
MENU TABMSGROW 24
MENU MARGIN 10
MENU COLOR border 30;44 #ffffffff #00000000 std
EOF
# Create our PXE Menu
sudo cat > /tftpboot/pxelinux.cfg/default <<EOF
DEFAULT vesamenu.c32
TIMEOUT 600
ONTIMEOUT BootLocal
PROMPT 0
MENU INCLUDE pxelinux.cfg/pxe.conf
NOESCAPE 1
LABEL BootLocal
localboot 0
TEXT HELP
Boot to local hard disk
ENDTEXT
MENU BEGIN Ubuntu
MENU TITLE Ubuntu
LABEL Previous
MENU LABEL Previous Menu
TEXT HELP
Return to previous menu
ENDTEXT
MENU EXIT
MENU SEPARATOR
MENU INCLUDE Ubuntu/Ubuntu.menu
MENU END
EOF
sudo cat > /tftpboot/pxelinux.cfg/Ubuntu/Ubuntu.menu <<EOF
LABEL 2
MENU LABEL Ubuntu 14.04 (64-bit)
kernel tftp://$MY_IP/images/ubuntu/14.04/amd64/install/netboot/ubuntu-installer/amd64/linux
append auto=true priority=critical vga=788 initrd=tftp://$MY_IP/images/ubuntu/14.04/amd64/install/netboot/ubuntu-installer/amd64/initrd.gz locale=en_US.UTF-8 kbd-chooser/method=us netcfg/choose_interface=auto url=tftp://<IP_ADDRESS>/preseed.cfg
TEXT HELP
Boot the Ubuntu 14.04 64-bit DVD
ENDTEXT
EOF
# Configure dnsmasq for tftp & dhcp
sudo cat >> /etc/dnsmasq.conf <<EOF
server=$MY_IP@eth0
interface=eth0
no-dhcp-interface=wlan0
dhcp-range=<IP_ADDRESS>,<IP_ADDRESS>,12h
dhcp-boot=pxelinux.0
pxe-service=x86PC,"Booting from Network...",pxelinux
enable-tftp
tftp-root=/tftpboot
dhcp-boot=pxelinux.0,servername,$MY_IP
EOF
sudo service dnsmasq restart
# Get 14.04 and extract the needful
wget -O ~/ubuntu-14.04-server-amd64.iso http://mirror.anl.gov/pub/ubuntu-iso/CDs/trusty/ubuntu-14.04.1-server-amd64.iso
sudo mkdir /mnt/loop
sudo mount -o loop -t iso9660 ~/ubuntu-14.04-server-amd64.iso /mnt/loop
sudo cp -R /mnt/loop/* /tftpboot/images/ubuntu/14.04/amd64
sudo cp -R /mnt/loop/.disk /tftpboot/images/ubuntu/14.04/amd64
sudo umount /mnt/loop
# Get a generic preseed
wget -O /tftpboot/preseed.cfg https://help.ubuntu.com/lts/installation-guide/example-preseed.txt
# Setup NFS mounts
echo "
/tftpboot/images/ubuntu/ *(ro,sync,no_subtree_check)" | sudo tee -a /etc/exports
# Enable RPCBind, NFS, and restart them
update-rc.d rpcbind enable && update-rc.d nfs-common enable
service rpcbind start
service nfs-kernel-server restart
The commands themselves are commented pretty well. Generically what they do is install dnsmasq for dhcp & tftp. From there we download and extract all the things from the ISO that we'll need, configure some menus, download a basic preseed, and restart some services.
Summary
In this post, we took a lowly Raspberry Pi and indentured it into some network servitude as a pxe / tftp server. We did this by installing and configuring dnsmasq for tftp and dhcp. Additionally we set up some fancy pxeboot menus and configured them to boot locally as a priority and to the network in times of need. Finally, we pulled down an Ubuntu 14.04 image and generic preseed file to use for automatic installs.
Resources


In the QUICKSORT procedure, A is an array of n elements, p is the first index in the array, and r is the last index in the array.
• All values in the array are the same. The QUICKSORT procedure calls the PARTITION procedure every time if the condition is satisfied.
• For each call of PARTITION procedure, the condition in the PARTITION procedure always satisfies and the variable i increments every time. This yields the worst case partitioning.
• An array looks like sorted in non-descending order when all elements in array are the same.
• If the number of elements in the array is n, p = 0 and r = n - 1, then the PARTITION procedure returns for the first call, for the second call and so on as the value of pivot index q.
• Each recursive call of the PARTITION procedure produces two sub-problems, one sub-problem contains elements and other sub-problem contains 0 elements. And each recursive call produces an unbalanced partioning and its cost is .
Therefore, the total running time of QUICKSORT procedure is,
Therefore, the total running time of the QUICKSORT procedure when all the elements is,.
When the elements are in decreasing order, PARTITION procedure performs a ’worst – case partitioning’.
• At each step, the size of the sub-array is reduced by 1. It has the running time of.
• When a subarray A[p..r] in which the elements are distinct and are in descending order is given to PARTITION procedure, it outputs an empty partition A[p..q-1], places the pivot into A[p] which is originally in A[r] and outputs a partition A[p+1..r].
• Thus at each step, it outputs a partition a A[p+1..r] which has only one element less than the subarray A[p..r].
• The recurrence for QUICKSORT becomes .
Hence the running time of QUICKSORT is.
The problem of converting time-of-transaction ordering to check-number ordering is the problem of sorting almost sorted input.
• The INSERTION-SORT takes time to sort an input that is already sorted. Hence, the INSERTION-SORT will take to sort an input that is almost sorted.
• The QUICK-SORT takes time to sort an input that is already sorted. Hence, the QUICK -SORT will take to sort an input that is almost sorted.
Hence, it can be concluded by considering the running times that for the problem of converting time-of-transaction ordering to check-number ordering, performance of INSERTION-SORT is better than QUICK-SORT.
In Quicksort, for any random input array the best case occurs when an array is split with 0.1 to 0.9 ratio.
For example, if 9:1 or better split is required then compute the values as:
Probability
It means that if the split has the constant that is, proportionality, then the run time will be .
It can be shown that for a random input array the probability that the partition is better than to for is .
In Randomized Quicksort, for a random input the pivot element can be in any position of the array after a partition.
If the pivot element is within the position , then the split or the partition is more balanced.
Proof: The PARTITION produces a split more balanced than to , if ,where m represents the number of entries of the array which lie within the range and are less than the other elements of the array.
The probability that on a random input array, PARTITION produces a split more balanced than to , can be computed as follows:


At first look you may think that this looks like a regular, basic Bar chart. And you'd not be far wrong. The Y axis has six labels instead of five (not including zero) but apart from that what's different?
The scale - that's what. Notice that instead of being a linear progression of (for example) [0, 2, 4, 6, 8, 10] it's a logarithmic scale which has the numbers [0,10,100,1000,10000,100000,1000000].
This can make it easier to show datasets which have one or more data points that are significantly higher than the rest - as is shown here (the first value is 1,000,000 and the second value is 5. The entire dataset is:
[1000000,5,6,4,6,8012,12,7]
Before the chart is created the data is converted to a smaller numbers by using the
RGraph.log()
API function. It's these smaller numbers which are then plotted on the
chart.
For smaller screens the size of the chart shrinks, the CSS float
is removed, the
size of the text reduces and the X axis labels are changed to be angled.
<script src="RGraph.common.core.js"></script> <script src="RGraph.line.js"></script>Put this where you want the chart to show up:
<canvas id="cvs" width="600" height="250"> [No canvas support] </canvas>This is the code that generates the chart:


Modern generally indicates an association with the present, within textile design it actually refers to a
specific era of design.
This style developed as a rejection of the 19th century’s fervor for embellishment. As such, modernism is principally defined as clean minimalism. Modern design promotes function over form and is intended to create an atmosphere of serenity.
Within fabric design, modernism showcased an era of two-tone patterns and geometric shapes, alongside a preponderance of straight lines and sleek curve Color palettes trend towards bold black and white prints with the occasional pop of primary color.


| Modifier and Type | Class and Description |
|---|---|
class |
AgentInfo |
class |
Slot |
| Modifier and Type | Interface and Description |
|---|---|
interface |
IComputationElement
Created by Martin Pilat on 28.12.13.
|
interface |
IComputingAgent
Created by Martin Pilat on 27.12.13.
|
interface |
IDataProvider
Created by Martin Pilat on 27.12.13.
|
interface |
IDataSaver
Created by Martin Pilat on 27.12.13.
|
interface |
IErrorProvider
Created by Marti on 27.12.13.
|
interface |
ISourceDescription |
| Modifier and Type | Class and Description |
|---|---|
class |
CARecSearchComplex
Ontology represents the special part of Batch which is connecting
ComputingAgent , Search and Recommend . |
class |
ComputingAgent
Created by Martin Pilat on 28.12.13.
|
class |
DataProcessing
Created by Stepan on 20.4.14.
|
class |
DataSourceDescription
Created by Martin Pilat on 28.12.13.
|
class |
ErrorDescriptions |
class |
ErrorSourceDescription
Created by Martin Pilat on 28.12.13.
|
class |
EvaluationMethod |
class |
FileDataProvider
Created by Martin Pilat on 27.12.13.
|
class |
FileDataSaver |
class |
Recommend
Created by Martin Pilat on 28.12.13.
|
class |
Search
Created by Martin Pilat on 28.12.13.
|
| Modifier and Type | Class and Description |
|---|---|
class |
ExpectedDuration |
| Modifier and Type | Class and Description |
|---|---|
class |
Agent |
| Modifier and Type | Class and Description |
|---|---|
class |
NewOptions |
class |
RestrictionsForOption |
class |
ValuesForOption |
| Modifier and Type | Class and Description |
|---|---|
class |
NewOption |
class |
Value |
class |
ValueType |
| Modifier and Type | Interface and Description |
|---|---|
interface |
IRestriction |
| Modifier and Type | Class and Description |
|---|---|
class |
RangeRestriction |
class |
SetRestriction |
class |
TypeRestriction |
| Modifier and Type | Class and Description |
|---|---|
class |
BooleanValue |
class |
DoubleValue |
class |
FloatValue |
class |
IntegerValue |
class |
NullValue |
class |
QuestionMarkRange |
class |
QuestionMarkSet |
class |
StringValue |
| Modifier and Type | Interface and Description |
|---|---|
interface |
IComparableValueData |
interface |
IValidatedValueData |
interface |
IValueData |
| Modifier and Type | Class and Description |
|---|---|
class |
Population
A container which contains the individuals of a population.
|
| Modifier and Type | Class and Description |
|---|---|
class |
ArrayIndividual
Represents all individual which acts as arrays of values.
|
class |
BooleanIndividual
Individual represented using an array of booleans.
|
class |
Individual
The abstract base of all individuals.
|
class |
IntegerIndividual
An individual represented by an array of integers from a specified range.
|
class |
MultiobjectiveIndividual
An implementation of individual which can be used in multi-objective optimization.
|
class |
RealIndividual
Implementation of an individual represented by a vector of real numbers in a given range.
|
class |
SearchItemIndividual
Represents an individual as an array of SearchItem objects.
|
| Modifier and Type | Method and Description |
|---|---|
ICloneable |
ICloneable.clone() |
| Modifier and Type | Method and Description |
|---|---|
static <C extends ICloneable> |
CollectionUtils.deepCopy(java.util.List<C> source) |


{% extends 'shop/base2.html' %} {% load static %} {% block content %}
You can contact us with anything related to our Products. We'll get in touch with you as soon as possible.
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Bank · Great Britain Bank


// René Magritte
"The Surreal is but reality that has not been disconnected from its mystery." - René Magritte
I once told my grandma that I was being picked on for "being weird."  But you are great, too," as she put Laura Branigan's "Gloria" on the record player and then sang and danced, drunk on cheap white wine. I still am not sure if she meant my family was all weird or just everyone in general was, but it is something I think about a lot. It was one of the most vivid moments of my life.
In fact, it was all I could think about after a recent visit to the Chicago Art Institute's René Magritte exhibit.  She looked nothing like my grandma, but she had that same cigarette-raspy voice, and it sent chills down my spine. I forced a short and quiet "ha" to be polite and then speed-walked through the rest of the exhibit as fast as I could without looking like I was in a panic.
Two days later, I went back to do another walk-through of the exhibit, avoiding eye contact with basically anyone – a tactic I use every day, not just on days after I have been legitimately freaked out by an innocent, sassy, old woman. I already had the idea of var t;
in my head and had written much of the Mondrian post, but I knew then and there that I would do Magritte.
René Magritte, much like my grandma, was a beloved weirdo who we do not have the pleasure of being in the presence of today, because unfortunately even the most brilliant and/or beloved people of our lives must leave us at some point. Magritte was one of the pioneers of the surrealist movement of the 1920s and 1930s. He lived primarily in Belgium, save a few brief years in Paris. He is one of my favorite artists not only for his surrealism, but for his reuse in different elements of his paintings. Those who study art might call them "recurring themes," but "reuse" makes more sense to me as an engineer. Those of us who write code every day find ourselves reusing elements of our work in different projects – be it formatting, framework, algorithms, etc. The same goes for most artists.
Most importantly, though, his work is truly "fucking weird." But great, too, like my grandma said I was. Yet it is also sometimes uncomfortable to look at, like thinking and writing about my grandma while listening to "Gloria" on loop is proving to be as I put these words to text editor.
The inspiration piece for this installation of var t;
is Magritte's La Clef des songes (The Interpretation of Dreams), specifically this piece made in 1935:
Interestingly enough, this particular painting is part of American contemporary artist Jasper Johns' collection, at least according to the MoMA. The video below describes the painting and Magritte's intentions with it quite well:
As with Mondrian, I figured it would be a fun exercise to make a generative Magritte generator, this time reusing elements of his work but also adding some of my own. Magritte's work is not so mathematical or obviously programmatical. When I announced I was doing his work, most folks said "I'm really interested in how you are actually going to do that." To be frank, so was I. I should start learning to think before I speak, huh.
* * *
The Frame
I started with creating the "windows" and randomly generating the view and mismatched labels. These are in an array of objects that have properties module
(what shows in the window), and label
(the label beneath them). I'm using jQuery because $.each()
is my boyfriend.
See the Pen The Agony of JavaScripting Magritte Pt. 1 by Jenn (@jennschiffer) on CodePen.
Turns out, though, that one of the windows should be correctly labeled. It wasn't until I watched the MoMA video above when I remembered valise is French for briefcase. Le woops. So I made one of the windows randomly be correctly labeled.
See the Pen The Agony of JavaScripting Magritte Pt. 2 by Jenn (@jennschiffer) on CodePen.
Finally I made this "painting" frame look a bit prettier. For the labels I am using this Cedarvill Cursive font from Google Fonts. It gets the job done.
See the Pen The Agony of JavaScripting Magritte Pt. 3 by Jenn (@jennschiffer) on CodePen.
Things
I wanted to include several Magritte-esque "things" or modules to show in the painting: an apple, bells, a bilboquet, a hat, and the sky. These are the recurring/reused themes in many of his paintings. Because this is my art and code blog and, therefore, can do whatever I want, I decided to add two of my own things: JavaScript and a rooster - more specifically Bob, the Bocoup mascot.
I created html documents for each thing, with the intention of embedding them somehow into the frame programmatically. Originally I was going to use Polymer to treat each thing as a web component, but that got too tricky and tasky in combination with the random generation of the windows. Therefore, I decided to just embed them as iframes.
I'm not going to embed codepens for each module I created here, but I've listed them for you to check out. Most of them are drawn in CSS, with the exception of "The JavaScript," "The Rooster," and the actual bilboquets in "The Bilboquets":
- The Rooster - starring Bob, the Bocoup mascot
- The JavaScript - apparently a language, I don't know
- The Sky - inspired by The Future of Statues
- The Hat - inspired by The Son of Man
- The Apple also inspired by Son of Man
- The Bilboquets - inspired by the painting Fashionable People
- The Bells - inspired by The Voice of Space
The Final Product
With all the modules built, they are then embedded into the painted frame. That's all, das ist alles. So I present to you, now, The Agony of JavaScripting Magritte:
See the Pen The Agony of JavaScripting Magritte Pt. 4 by Jenn (@jennschiffer) on CodePen.
You can click here for the full demo as well.
* * *
It would be unfair to call this installation an "agony" because I actually had fun making this. I guess that when I started out, the idea of all the CSS painting I'd have to do was overwhelming. It was fitting to do all of that painting, though, as the idea of using code as a medium can seem a bit surreal for many programmers. If you told me a few years ago I'd be spending a day making an apple and hat out of CSS and laying gradient backgrounds to some bilboquets, I'd probably say you were crazy and "what is a bilboquet, even?"
On a final, somewhat related note: The Interpretation of Dreams is most certainly *not* my most favorite painting by Magritte.  But it is great, too.
Sources:


Cicerone lets you capture how users browse the guide by letting you retrieve the id of the element currently highlighted. The method get_highlighted_el
will return the id the the currently highlighted step.
library(shiny)
library(cicerone)
guide <- Cicerone$
new(opacity = .3)$
step("one", "Try", "Try")$
step("two", "Cicerone", "Cicerone")$
step("three", "Right", "right")$
step("four", "Away", "away")
ui <- fluidPage(
use_cicerone(),
h1("Try", id = "one"),
h1("cicerone", id = "two"),
h1("right", id = "three"),
h1("away", id = "four"),
verbatimTextOutput("highlighted")
)
server <- function(input, output){
guide$init()$start()
output$highlighted <- renderPrint({
guide$get_highlighted_el()
})
}
shinyApp(ui, server)
You can also fetch the previously highlighted element with get_previous_el
. There are also the input$ciceroneId_cicerone_next
and input$ciceroneId_cicerone_previous
which are triggered every time the user presses “next” or “previous”. Where ciceroneId
is the id used when creating the guide. The id defaults to NULL
and internally generates a random id; to capture those events you will have to supply the id
.
library(shiny)
library(cicerone)
guide <- Cicerone$
new(
opacity = .3,
id = "guide" # supply id
)$
step("one", "Try", "Try")$
step("two", "Cicerone", "Cicerone")$
step("three", "Right", "right")$
step("four", "Away", "away")
ui <- fluidPage(
use_cicerone(),
h1("Try", id = "one"),
h1("cicerone", id = "two"),
h1("right", id = "three"),
h1("away", id = "four"),
verbatimTextOutput("highlighted")
)
server <- function(input, output){
guide$init()$start()
output$highlighted <- renderPrint({
input$guide_cicerone_next
})
}
shinyApp(ui, server)


SDExplorer
SDExplorer (Sequence Diagram Explorer) is a flexible and lightweight tool for visualizing program's behavior.
🎉 🎉 🎉 Best Tool Paper Award of ICPC 2018!
SDExplorer (Sequence Diagram Explorer) is a flexible and lightweight tool for visualizing program's behavior.
🎉 🎉 🎉 Best Tool Paper Award of ICPC 2018!


Calling Kotlin from JavaScript
Kotlin compiler generates normal JavaScript classes, functions and properties you can freely use from JavaScript code. Nevertheless, there are some subtle things you should remember.
Isolating declarations in a separate JavaScript object
To prevent spoiling the global object, Kotlin creates an object that contains all Kotlin declarations
from the current module. So if you name your module as myModule
, all declarations are available to JavaScript
via myModule
object. For example:
fun foo() = "Hello"
Can be called from JavaScript like this:
alert(myModule.foo());
This is not applicable when you compile your Kotlin module to JavaScript module (see JavaScript Modules for more information on this). In this case there won't be a wrapper object, instead, declarations will be exposed as a JavaScript module of a corresponding kind. For example, in case of CommonJS you should write:
alert(require('myModule').foo());
Package structure
Kotlin exposes its package structure to JavaScript, so unless you define your declarations in the root package, you have to use fully-qualified names in JavaScript. For example:
package my.qualified.packagename
fun foo() = "Hello"
Can be called from JavaScript like this:
alert(myModule.my.qualified.packagename.foo());
@JsName
annotation
In some cases (for example, to support overloads), Kotlin compiler mangles names of generated functions and attributes
in JavaScript code. To control the generated names, you can use the @JsName
annotation:
// Module 'kjs'
class Person(val name: String) {
fun hello() {
println("Hello $name!")
}
@JsName("helloWithGreeting")
fun hello(greeting: String) {
println("$greeting $name!")
}
}
Now you can use this class from JavaScript in the following way:
var person = new kjs.Person("Dmitry"); // refers to module 'kjs'
person.hello(); // prints "Hello Dmitry!"
person.helloWithGreeting("Servus"); // prints "Servus Dmitry!"
If we didn't specify the @JsName
annotation, the name of the corresponding function would contain a suffix
calculated from the function signature, for example hello_61zpoe$
.
Note that Kotlin compiler does not apply such mangling to external
declarations, so you don't have to
use @JsName
on them. Another case worth noticing is inheriting non-external classes from external classes.
In this case any overridden functions won't be mangled as well.
The parameter of @JsName
is required to be a constant string literal which is a valid identifier.
The compiler will report an error on any attempt to pass non-identifier string to @JsName
.
The following example produces a compile-time error:
@JsName("new C()") // error here
external fun newC()
Representing Kotlin types in JavaScript
- Kotlin numeric types, except for
kotlin.Long
are mapped to JavaScript Number. kotlin.Char
is mapped to JavaScript Number representing character code.- Kotlin can't distinguish between numeric types at run time (except for
kotlin.Long
), i.e. the following code works:fun f() { val x: Int = 23 val y: Any = x println(y as Float) }
- Kotlin preserves overflow semantics for
kotlin.Int
,kotlin.Byte
,kotlin.Short
,kotlin.Char
andkotlin.Long
. - There's no 64 bit integer number in JavaScript, so
kotlin.Long
is not mapped to any JavaScript object, it's emulated by a Kotlin class. kotlin.String
is mapped to JavaScript String.kotlin.Any
is mapped to JavaScript Object (i.e.new Object()
,{}
, etc).kotlin.Array
is mapped to JavaScript Array.- Kotlin collections (i.e.
List
,Set
,Map
, etc) are not mapped to any specific JavaScript type. kotlin.Throwable
is mapped to JavaScript Error.- Kotlin preserves lazy object initialization in JavaScript.
- Kotlin does not implement lazy initialization of top-level properties in JavaScript.
Starting with version 1.1.50 primitive array translation utilizes JavaScript TypedArray:
kotlin.ByteArray
,-.ShortArray
,-.IntArray
,-.FloatArray
, and-.DoubleArray
are mapped to JavaScript Int8Array, Int16Array, Int32Array, Float32Array, and Float64Array correspondingly.kotlin.BooleanArray
is mapped to JavaScript Int8Array with a property$type$ == "BooleanArray"
kotlin.CharArray
is mapped to JavaScript UInt16Array with a property$type$ == "CharArray"
kotlin.LongArray
is mapped to JavaScript Array ofkotlin.Long
with a property$type$ == "LongArray"
.


MicroBitImage¶
Overview¶
MicroBitImage
represents a bitmap picture.
Images can be of any size, and each pixel on the image has an individual brightness value in the range 0 - 255.
Once created, this class also provides functions to undertake graphical operations on that image, including setting pixels, clearing the image, pasting one image onto another at a given position, shifting the content of an image and comparing and copying images.
It is designed to work with the MicroBitDisplay
class to allow the creation of animations and visual effects.
Note
This is a managed type. This means that it will automatically use and release memory as needed. There is no need for you to explicitly free or release memory when your done - the memory will be freed as soon as the last piece of code stops using the data.
Creating Images¶
Images are easy to create - just create them like a variable, but provide the details requested in one of the constructor function shown below. This may sound complex, but is quite simple when you get used to it. For example, to create a blank, 2x2 image:
MicroBitImage image(2,2);
You can also create one from a text string that represents the pixel values that you want. This is a really easy way to create icons and emojis in your code.
The string constructor for a MicroBitImage
takes the form of a series of comma separate values. Each value is the brightness of a pixel, starting at the top left of your image and working
to the right. Whenever you put a newline character \n
in your string, this moves onto a new line of pixels.
So to create a 3x3 image that is a picture of a cross, you might write:
MicroBitImage cross("0,255,0\n255,255,255\n0,255,0\n");
Manipulating Images¶
Once you have created an image, you can use any of the functions listed in the API below to change that image. For example, you can use setPixelValue
to change an individual pixel.
In the example below, you can see how to change the centre pixel in our cross image created earlier:
cross.setPixelValue(1,1,0);
Note
Co-ordinates are indexed from zero, with the origin (0,0) being at the top left of the image.
You can print characters onto an image...
MicroBitImage image(5,5);
image.print('J');
You can also paste the content of one image onto another - either at the origin, or somewhere else:
MicroBitImage image(5,5);
image.paste(cross);
MicroBitImage image(5,5);
image.paste(cross, 1, 1);
and of course, you can display your image on the LEDs using the MicroBitDisplay
class:
MicroBitImage image(5,5);
image.paste(cross);
uBit.display.print(image);
Comparing and Assigning Images¶
MicroBitImage is a managed type, so you can pass images as parameters to functions, store then and assign them to other variables without having to worry about memory leaks.
The type will count the number of times it is used, and will delete itself as soon as your image is not used anymore.
You can assign images just like any other variable. So this is perfectly permitted, and memory safe:
MicroBitImage cross("0,255,0\n255,255,255\n0,255,0\n");
MicroBitImage img;
img = cross;
uBit.display.print(img);
As is this:
void doSomething(MicroBitImage i)
{
uBit.display.print(img);
}
int main()
{
MicroBitImage cross("0,255,0\n255,255,255\n0,255,0\n");
doSomething(cross);
}
You can also compare images:
MicroBitImage cross("0,255,0\n255,255,255\n0,255,0\n");
MicroBitImage img;
img = cross;
if (img == cross)
uBit.display.scroll("SAME!");
Storing Images in Flash Memory¶
The micro:bit is a very constrained device in terms of Random Access Memory (RAM). Unlike modern PCs that typically have over 4 Gigabytes of RAM (around four thousand million bytes!), the micro:bit has only 16 Kilobytes (16 thousand bytes!), and if you take a look at the memory map, you will see most of this is already committed to running the Bluetooth stack.
By default, any MicroBitImage
you create will be stored in this precious RAM, so that you have the ability to change it. However, it is not uncommon to have read-only images. in this case, we can store the image in FLASH memory (the same place as your program), of which the micro:bit has 256 Kilobytes.
Should you want to create an store a constant image in flash, you can do so using the following constructor, it is a little more complicated, but can save you memory:
- The array of bytes should always start with 0xff, 0xff - which tell the runtime that this image is stored in FLASH memory.
- The next number should be the width in pixels, followed by a zero.
- The next number should be the height in pixels, followed by a zero.
- The following bytes are then individual pixel brightness values, starting at the top left, then working left to right, top to bottom until the bottom right corner is reached.
Note
If you create an image this way, none of the functions to change the content will work on that image (e.g. setPixelValue
, paste
, etc).
const uint8_t heart[] __attribute__ ((aligned (4))) = { 0xff, 0xff, 10, 0, 5, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0};
MicroBitImage i((ImageData*)heart);
uBit.display.animate(i,5);
}
API¶
leakData¶
ImageData leakData()¶
Description¶
Get current ptr, do not decr() it, and set the current instance to empty image.
This is to be used by specialized runtimes which pass ImageData around.
getBitmap¶
uint8_t * getBitmap()¶
Description¶
Return a 2D array representing the bitmap image.
Constructor¶
MicroBitImage( ImageData * ptr)¶
Description¶
Constructor. Create an image from a specially prepared constant array, with no copying. Will call ptr->incr().
Parameters¶
ImageData *ptr - The literal - first two bytes should be 0xff, then width, 0, height, 0, and the bitmap. Width and height are 16 bit. The literal has to be 4-byte aligned.
Example¶
static const uint8_t heart[] __attribute__ ((aligned (4))) = { 0xff, 0xff, 10, 0, 5, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i((ImageData*)(void*)heart);
MicroBitImage()¶
Description¶
Default Constructor. Creates a new reference to the empty MicroBitImage bitmap
Example¶
MicroBitImage i(); //an empty image instance
MicroBitImage( const MicroBitImage & image)¶
Description¶
Copy Constructor. Add ourselves as a reference to an existing MicroBitImage .
Parameters¶
const MicroBitImage &image - The MicroBitImage to reference.
Example¶
MicroBitImage i("0,1,0,1,0\n");
MicroBitImage i2(i); //points to i
MicroBitImage( const char * s)¶
Description¶
Constructor. Create a blank bitmap representation of a given size.
Parameters¶
const char *s - A text based representation of the image given whitespace delimited numeric values.
Example¶
MicroBitImage i("0,1,0,1,0\n1,0,1,0,1\n0,1,0,1,0\n1,0,1,0,1\n0,1,0,1,0\n"); // 5x5 image
MicroBitImage( const int16_t x, const int16_t y)¶
Description¶
Constructor. Create a blank bitmap representation of a given size.
x
the width of the image.
y
the height of the image.
Bitmap buffer is linear, with 8 bits per pixel, row by row, top to bottom with no word alignment. Stride is therefore the image width in pixels. in where w and h are width and height respectively, the layout is therefore:
|[0,0]...[w,o][1,0]...[w,1] ... [[w,h]
A copy of the image is made in RAM, as images are mutable.
Parameters¶
const int16_tx - the width of the image.const int16_ty - the height of the image.
MicroBitImage( const int16_t x, const int16_t y, const uint8_t * bitmap)¶
Description¶
Constructor. Create a bitmap representation of a given size, based on a given buffer.
Parameters¶
const int16_tx - the width of the image.const int16_ty - the height of the image.const uint8_t *bitmap - a 2D array representing the image.
Example¶
const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i(10,5,heart);
operator=¶
MicroBitImage operator=( const MicroBitImage & i)¶
Description¶
Copy assign operation.
Called when one MicroBitImage is assigned the value of another using the '=' operator.
Decrement our reference count and free up the buffer as necessary.
Then, update our buffer to refer to that of the supplied MicroBitImage , and increase its reference count.
Parameters¶
const MicroBitImage &i
Example¶
const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i(10,5,heart);
MicroBitImage i1();
i1 = i; // i1 now references i
operator==¶
bool operator==( const MicroBitImage & i)¶
Description¶
Equality operation.
Called when one MicroBitImage is tested to be equal to another using the '==' operator.
Parameters¶
const MicroBitImage &i - The MicroBitImage to test ourselves against.
Returns¶
true if this MicroBitImage is identical to the one supplied, false otherwise.
Example¶
MicroBitDisplay display;
MicroBitImage i();
MicroBitImage i1();
if(i == i1) //will be true
display.scroll("true");
clear¶
void clear()¶
Description¶
Resets all pixels in this image to 0.
Example¶
MicroBitImage i("0,1,0,1,0\n1,0,1,0,1\n0,1,0,1,0\n1,0,1,0,1\n0,1,0,1,0\n"); // 5x5 image
i.clear();
setPixelValue¶
int setPixelValue( int16_t x, int16_t y, uint8_t value)¶
Description¶
Sets the pixel at the given co-ordinates to a given value.
Parameters¶
int16_tx - The co-ordinate of the pixel to change.int16_ty - The co-ordinate of the pixel to change.uint8_tvalue - The new value of the pixel (the brightness level 0-255)
Returns¶
MICROBIT_OK, or MICROBIT_INVALID_PARAMETER.
Example¶
MicroBitImage i("0,1,0,1,0\n1,0,1,0,1\n0,1,0,1,0\n1,0,1,0,1\n0,1,0,1,0\n"); // 5x5 image
i.setPixelValue(0,0,255);
Note
all coordinates originate from the top left of an image.
getPixelValue¶
int getPixelValue( int16_t x, int16_t y)¶
Description¶
Retreives the value of a given pixel.
Parameters¶
int16_tx - The x co-ordinate of the pixel to read. Must be within the dimensions of the image.int16_ty - The y co-ordinate of the pixel to read. Must be within the dimensions of the image.
Returns¶
The value assigned to the given pixel location (the brightness level 0-255), or MICROBIT_INVALID_PARAMETER.
Example¶
MicroBitImage i("0,1,0,1,0\n1,0,1,0,1\n0,1,0,1,0\n1,0,1,0,1\n0,1,0,1,0\n"); // 5x5 image
i.getPixelValue(0,0); //should be 0;
printImage¶
int printImage( int16_t x, int16_t y, const uint8_t * bitmap)¶
Description¶
Replaces the content of this image with that of a given 2D array representing the image.
Parameters¶
int16_tx - the width of the image. Must be within the dimensions of the image.int16_ty - the width of the image. Must be within the dimensions of the image.const uint8_t *bitmap - a 2D array representing the image.
Returns¶
MICROBIT_OK on success, or MICROBIT_INVALID_PARAMETER.
Example¶
const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i();
i.printImage(0,0,heart);
Note
all coordinates originate from the top left of an image.
paste¶
int paste( const MicroBitImage & image)¶
Description¶
Pastes a given bitmap at the given co-ordinates.
Any pixels in the relvant area of this image are replaced.
Parameters¶
const MicroBitImage &image - The MicroBitImage to paste.
Returns¶
The number of pixels written.
Example¶
const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i(10,5,heart); // a big heart
i.paste(i, -5, 0); // a small heart
int paste( const MicroBitImage & image, int16_t x)¶
Description¶
Pastes a given bitmap at the given co-ordinates.
Any pixels in the relvant area of this image are replaced.
Parameters¶
const MicroBitImage &image - The MicroBitImage to paste.int16_tx - The leftmost X co-ordinate in this image where the given image should be pasted. Defaults to 0.
Returns¶
The number of pixels written.
Example¶
const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i(10,5,heart); // a big heart
i.paste(i, -5, 0); // a small heart
int paste( const MicroBitImage & image, int16_t x, int16_t y)¶
Description¶
Pastes a given bitmap at the given co-ordinates.
Any pixels in the relvant area of this image are replaced.
Parameters¶
const MicroBitImage &image - The MicroBitImage to paste.int16_tx - The leftmost X co-ordinate in this image where the given image should be pasted. Defaults to 0.int16_ty - The uppermost Y co-ordinate in this image where the given image should be pasted. Defaults to 0.
Returns¶
The number of pixels written.
Example¶
const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i(10,5,heart); // a big heart
i.paste(i, -5, 0); // a small heart
int paste( const MicroBitImage & image, int16_t x, int16_t y, uint8_t alpha)¶
Description¶
Pastes a given bitmap at the given co-ordinates.
Any pixels in the relvant area of this image are replaced.
Parameters¶
const MicroBitImage &image - The MicroBitImage to paste.int16_tx - The leftmost X co-ordinate in this image where the given image should be pasted. Defaults to 0.int16_ty - The uppermost Y co-ordinate in this image where the given image should be pasted. Defaults to 0.uint8_talpha - set to 1 if transparency clear pixels in given image should be treated as transparent. Set to 0 otherwise. Defaults to 0.
Returns¶
The number of pixels written.
Example¶
const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i(10,5,heart); // a big heart
i.paste(i, -5, 0); // a small heart
print¶
int print( char c)¶
Description¶
Prints a character to the display at the given location
Parameters¶
charc - The character to display.
Returns¶
MICROBIT_OK on success, or MICROBIT_INVALID_PARAMETER.
Example¶
MicroBitImage i(5,5);
i.print('a');
int print( char c, int16_t x)¶
Description¶
Prints a character to the display at the given location
Parameters¶
charc - The character to display.int16_tx - The x co-ordinate of on the image to place the top left of the character. Defaults to 0.
Returns¶
MICROBIT_OK on success, or MICROBIT_INVALID_PARAMETER.
Example¶
MicroBitImage i(5,5);
i.print('a');
int print( char c, int16_t x, int16_t y)¶
Description¶
Prints a character to the display at the given location
Parameters¶
charc - The character to display.int16_tx - The x co-ordinate of on the image to place the top left of the character. Defaults to 0.int16_ty - The y co-ordinate of on the image to place the top left of the character. Defaults to 0.
Returns¶
MICROBIT_OK on success, or MICROBIT_INVALID_PARAMETER.
Example¶
MicroBitImage i(5,5);
i.print('a');
shiftLeft¶
int shiftLeft( int16_t n)¶
Description¶
Shifts the pixels in this Image a given number of pixels to the left.
Parameters¶
int16_tn - The number of pixels to shift.
Returns¶
MICROBIT_OK on success, or MICROBIT_INVALID_PARAMETER.
Example¶
const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i(10,5,heart); // a big heart
i.shiftLeft(5); // a small heart
shiftRight¶
int shiftRight( int16_t n)¶
Description¶
Shifts the pixels in this Image a given number of pixels to the right.
Parameters¶
int16_tn - The number of pixels to shift.
Returns¶
MICROBIT_OK on success, or MICROBIT_INVALID_PARAMETER.
Example¶
const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i(10,5,heart); // a big heart
i.shiftLeft(5); // a small heart
i.shiftRight(5); // a big heart
shiftUp¶
int shiftUp( int16_t n)¶
Description¶
Shifts the pixels in this Image a given number of pixels to upward.
Parameters¶
int16_tn - The number of pixels to shift.
Returns¶
MICROBIT_OK on success, or MICROBIT_INVALID_PARAMETER.
Example¶
const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i(10,5,heart);
i.shiftUp(1);
shiftDown¶
int shiftDown( int16_t n)¶
Description¶
Shifts the pixels in this Image a given number of pixels to downward.
Parameters¶
int16_tn - The number of pixels to shift.
Returns¶
MICROBIT_OK on success, or MICROBIT_INVALID_PARAMETER.
Example¶
const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i(10,5,heart);
i.shiftDown(1);
getWidth¶
int getWidth()¶
Description¶
Gets the width of this image.
Returns¶
The width of this image.
Example¶
const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i(10,5,heart);
i.getWidth(); // equals 10...
getHeight¶
int getHeight()¶
Description¶
Gets the height of this image.
Returns¶
The height of this image.
Example¶
const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i(10,5,heart);
i.getHeight(); // equals 5...
getSize¶
int getSize()¶
Description¶
Gets number of bytes in the bitmap, ie., width * height.
Returns¶
The size of the bitmap.
Example¶
const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i(10,5,heart);
i.getSize(); // equals 50...
toString¶
ManagedString toString()¶
Description¶
Converts the bitmap to a csv ManagedString .
Example¶
const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i(10,5,heart);
uBit.serial.printString(i.toString()); // "0,1,0,1,0,0,0,0,0,0\n..."
crop¶
MicroBitImage crop( int startx, int starty, int finx, int finy)¶
Description¶
Crops the image to the given dimensions.
Parameters¶
intstartx - the location to start the crop in the x-axisintstarty - the location to start the crop in the y-axisintfinxintfiny
Example¶
const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }; // a cute heart
MicroBitImage i(10,5,heart);
i.crop(0,0,2,2).toString() // "0,1\n1,1\n"
isReadOnly¶
bool isReadOnly()¶
Description¶
Check if image is read-only (i.e., residing in flash).
clone¶
MicroBitImage clone()¶
Description¶
Create a copy of the image bitmap. Used particularly, when isReadOnly() is true.
Returns¶
an instance of MicroBitImage which can be modified independently of the current instance


5. Script Structure¶
Let’s learn how to program your OpenMV Cam now! Note that this tuturial assumes you know how the python language works. If you don’t know how python works please study up on it. There are plenty of web tuturials about how to write python code (finally, if you know any other C like programming language you can pick up python easily since it’s VERY similar).
Anyway, any script you write is going to have three distinct parts:
import ...
...
one time setup ...
...
while(True): # Loop
...
The first part of your OpenMV Cam code should include some header comments, import statements to bring modules into scope, and finally constants and global variables in your code.
Next, you’re going to want to do one-time setup code. This includes things like creating I/O pin objects, setting up the camera, defining helper functions, etc.
Finally, you’ll create a while(True):
loop under which you’ll put all code
that gets called in a loop repeatedly until power-off.
Here’s an example of this:
### Header comments, import statements, etc.
# Hello World Example
#
# Welcome to the OpenMV IDE! Click on the green run arrow button below to run the script!
import sensor, image, time
### One time setup
sensor.reset() # Reset and initialize the sensor.
sensor.set_pixformat(sensor.RGB565) # Set pixel format to RGB565 (or GRAYSCALE)
sensor.set_framesize(sensor.QVGA) # Set frame size to QVGA (320x240)
sensor.skip_frames(time = 2000) # Wait for settings take effect.
clock = time.clock() # Create a clock object to track the FPS.
### Infinite loop
while(True):
clock.tick() # Update the FPS clock.
img = sensor.snapshot() # Take a picture and return the image.
print(clock.fps()) # Note: OpenMV Cam runs about half as fast when connected
# to the IDE. The FPS should increase once disconnected.
Note that if you do not have an infinite while loop in your code then once your OpenMV Cam finishes running the script it will sit there and do nothing.


The Matlab class in Tycho provides a shell for interacting with Matlab. Currently, this only works if Tycho is running with Ptolemy (see Running Tycho), and Ptolemy has been compiled to work with Matlab. The Matlab class is derived from the TclShell class, and therefore inherits all of its features. In particular, the mechanisms for scrolling through and editing command histories are fully supported. In addition, Matlab data can be accessed from Tcl or Ptolemy using ptcl commands. See the ptcl documentation.


| Opcode/Instruction | Op/En | 64/32 bit Mode Support | CPUID Feature Flag | Description |
| 0F EB /r1 POR mm, mm/m64 | RM | V/V | MMX | Bitwise OR of mm/m64 and mm. |
| 66 0F EB /r POR xmm1, xmm2/m128 | RM | V/V | SSE2 | Bitwise OR of xmm2/m128 and xmm1. |
| VEX.NDS.128.66.0F.WIG EB /r VPOR xmm1, xmm2, xmm3/m128 | RVM | V/V | AVX | Bitwise OR of xmm2/m128 and xmm3. |
| VEX.NDS.256.66.0F.WIG EB /r VPOR ymm1, ymm2, ymm3/m256 | RVM | V/V | AVX2 | Bitwise OR of ymm2/m256 and ymm3. |
Notes: 1. See note in Section 2.4, “Instruction Exception Specification” in the Intel® 64 and IA-32 Architectures Software Developer’s Manual, Volume 2A and Section 22.25.3, “Exception Conditions of Legacy SIMD Instructions Operating on MMX Registers” in the Intel® 64 and IA-32 Architectures Software Developer’s Manual, Volume 3A.
| Op/En | Operand 1 | Operand 2 | Operand 3 | Operand 4 |
| RM | ModRM:reg (r, w) | ModRM:r/m (r) | NA | NA |
| RVM | ModRM:reg (w) | VEX.vvvv (r) | ModRM:r/m (r) | NA |
Performs a bitwise logical OR operation on the source operand (second operand) and the destination operand (first operand) and stores the result in the destination operand. Each bit of the result is set to 1 if either or both of the corresponding bits of the first and second operands are 1; otherwise, it is set to 0.
In 64-bit mode, using a REX prefix in the form of REX.R permits this instruction to access additional registers (XMM8-XMM15). Legacy SSE version: The source operand can be an MMX technology register or a 64-bit memory location. The destination operand is an MMX technology register.
128-bit Legacy SSE version: The second source operand is an XMM register or a 128-bit memory location. The first source and destination operands can be XMM registers. Bits (VLMAX-1:128) of the corresponding YMM destination register remain unchanged. VEX.128 encoded version: The second source operand is an XMM register or a 128-bit memory location. The first source and destination operands can be XMM registers. Bits (VLMAX-1:128) of the destination YMM register are zeroed. VEX.256 encoded version: The second source operand is an YMM register or a 256-bit memory location. The first source and destination operands can be YMM registers.
Note: VEX.L must be 0, otherwise the instruction will #UD.
POR (128-bit Legacy SSE version) DEST ← DEST OR SRC DEST[VLMAX-1:128] (Unmodified) VPOR (VEX.128 encoded version) DEST ← SRC1 OR SRC2 DEST[VLMAX-1:128] ← 0 VPOR (VEX.256 encoded version) DEST ← SRC1 OR SRC2
| POR: | __m64 _mm_or_si64(__m64 m1, __m64 m2) |
| (V)POR: | __m128i _mm_or_si128(__m128i m1, __m128i m2) |
| VPOR: | __m256i _mm256_or_si256 ( __m256i a, __m256i b) |
None.
None.
See Exceptions Type 4; additionally
| #UD | If VEX.L = 1. |


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Live From Lincoln Center makes the world's greatest artists accessible to home viewers in virtually every corner of the United States. It remains the only series of .
http://www.weta.org/tv/programsatoz/program/4181Live from Lincoln Center (TV Series 1976 ) - IMDb
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Live from Lincoln Center - Wikipedia, the free encyclopedia
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http://en.wikipedia.org/wiki/Live_from_Lincoln_Center
Live From Lincoln Center - TV Guide
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Live From Lincoln Center Overview - Lincoln Center for the ...
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Nov 27, 2012 . Broadway superstar Audra McDonald is adding a new chapter to her long history with Lincoln Center in New York.
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Search is most effective if you enter a speciality (cardiology) or a particular part of the body (heart). Less specific search terms will return either no options or a large interpretation ('pain' will return everything from psychologists to radiologists; 'tooth' will return nothing, but 'dentist' will.)


Application
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| nest_join {dplyr} | R Documentation |
nest_join()
returns all rows and columns in x
with a new nested-df column
that contains all matches from y
. When there is no match, the list column
is a 0-row tibble.
nest_join(x, y, by = NULL, copy = FALSE, keep = FALSE, name = NULL, ...) ## S3 method for class 'data.frame' nest_join(x, y, by = NULL, copy = FALSE, keep = FALSE, name = NULL, ...)
x, y |
A pair of data frames, data frame extensions (e.g. a tibble), or lazy data frames (e.g. from dbplyr or dtplyr). See Methods, below, for more details. |
by |
A character vector of variables to join by. If To join by different variables on To join by multiple variables, use a vector with length > 1.
For example, To perform a cross-join, generating all combinations of |
copy |
If |
keep |
Should the join keys from both |
name |
The name of the list column nesting joins create.
If |
... |
Other parameters passed onto methods. |
In some sense, a nest_join()
is the most fundamental join since you can
recreate the other joins from it:
inner_join()
is a nest_join()
plus tidyr::unnest()
left_join()
nest_join()
plus unnest(.drop = FALSE)
.
semi_join()
is a nest_join()
plus a filter()
where you check
that every element of data has at least one row,
anti_join()
is a nest_join()
plus a filter()
where you check every
element has zero rows.
This function is a generic, which means that packages can provide implementations (methods) for other classes. See the documentation of individual methods for extra arguments and differences in behaviour.
The following methods are currently available in loaded packages: no methods found.
Other joins:
filter-joins
,
mutate-joins
band_members %>% nest_join(band_instruments)