I have been a Hoya since the womb! Pursuing a degree in Government, and enjoying all that DC has to offer. Hoya Saxa!
Web-Dev Immersive
Sydney, Australia
Instructors: Joel Turnbull and Daniel Tsui
WDI is an intesive course in Web Development that packs almost 900 hours of practice and experience into 12 awesome weeks, all aimed to turn you into an entry level full-stack developer.  Want to re-live that epic night? Map My Fun has you covered.
In the spirit of ideas worth spreading, TEDx is a program of local, self-organized events that bring people together to share a TED experience. TEDxGeorgetown is our initiative to bring the TED experience to Georgetown University.
Hopp was built, for the most part, in 6 days. It works by asking for users interests and how much time they want to spend, then giving them content based on that. Its fairly raw framework, but it's responsive and functional.


Youtube API Data Trend
Author: Aaron Wu (pwu8), Abhishek Dutta (adutta2), Natalie Roe (nroe), Preston Law (plaw), Wennie Zhang (yzhang46)
This Week's Work
We have seen good progress this week. In terms of our timeline, we have finished extracting, cleaning, and condensing the data.
We extracted data from the most recently uploaded YouTube videos since March 1, 2017. However, due to limits in the YouTube API, we need more time to extract more data. Nevertheless, the data we extracted includes the Id, Title, Description, LikeCount, DislikeCount, Location, and Tags for each particular video. We will be using the Title, Description, and Tags for our tag prediction. In order to do our tag prediction, we needed to condense the set of tags that we obtained from the YouTube videos. We used the Synonym library from Python to find synonyms between video tags so that we could condense them. Here is a look of our set of tags after condensing synonyms:
We will be training our classifier to identify which tags correspond to which videos. From our set of tags and the data we pulled from YouTube, we have our training and testing data. In the data for our training and testing, we condensed the Tags column from the data we obtained from YouTube to be condensed tags from our list. Below are some images of our final data set:
This week, we also set up our tag-predictor and sentiment analysis models. However, since we do not yet have all of our data from YouTube due to limitations in the API, we have not ran our models on the data yet. However, we were able to run them on a small set of data that we created to be similar to what the data from YouTube is. Below are some images of our ML on the small set of data we used so far.
We hope that as we progress the accuracy of our model will continue to be very high.
Challenges
A challenge that we are working on overcoming is dealing with very specific user-defined tags such as “happy parrot” and “sad parrot”. Ideally, we would like to condense both into the tag “parrot”. However, we cannot simply split on the space of the tag or else tags such as “United Kingdom” and “United States” will be split as well when they should not be. Ideally, we would like to be able to find a better way to deal with the types of specific tags we mentioned above, but if we cannot find a method that will preserve the accuracy of our model, we may just leave the tags as is.
Another challenge is dealing with YouTube videos with tags in another language. We are considering either completely removing them from our dataset, or including them anyway in our ML analysis. We are currently coming up with ways to manage these types of videos, but they do not comprise a large proportion of our dataset so this is not too big of an issue to resolve.
Goals for Upcoming Week
Our goals moving forward are to start on the three visualizations we outline in the final proposal so that we can get those done in time for the poster printing deadline (May 2). We will also be finalizing our web application so that we can host it on this project website.
Home Page # is: here .


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--- layout: post title: "Composition with an Either computation expression" description: "A simple example of a composition using an F# computation expression." date: 2016-03-21 08:34 UTC tags: [F#] --- {% include JB/setup %}
{{ page.description }}
In a previous article, you saw how to compose an application feature from functions:
let imp = Validate.reservation >> map (fun r -> SqlGateway.getReservedSeats connectionString r.Date, r) >> bind (fun (i, r) -> Capacity.check 10 i r) >> map (SqlGateway.saveReservation connectionString)
This is awkward because of the need to carry the result of Validate.reservation (r
) on to Capacity.check, while also needing it for SqlGateway.getReservedSeats. In this article, you'll see a neater, alternative syntax.
To recapitulate the context, you have this Result
discriminated union from Scott Wlaschin's article about railway-oriented programming:
type Result<'TSuccess,'TFailure> = | Success of 'TSuccess | Failure of 'TFailure
A type with this structure is also sometimes known as Either, because the result can be either a success or a failure.
The above example also uses bind and map functions, which are implemented this way:
// ('a -> Result<'b,'c>) -> Result<'a,'c> -> Result<'b,'c> let bind f x = match x with | Success s -> f s | Failure f -> Failure f // ('a -> 'b) -> Result<'a,'c> -> Result<'b,'c> let map f x = match x with | Success s -> Success(f s) | Failure f -> Failure f
With these building blocks, it's trivial to implement a computation expression for the type:
type EitherBuilder () = member this.Bind(x, f) = bind f x member this.ReturnFrom x = x
You can add more members to EitherBuilder if you need support for more advanced syntax, but this is the minimal implementation required for the following example.
You also need a value of the EitherBuilder type:
let either = EitherBuilder ()
All this code is entirely generic, so you could put it (or a more comprehensive version) in a reusable library.
Since this Either computation expression is for general-purpose use, you can also use it to compose the above imp
function:
let imp candidate = either { let! r = Validate.reservation candidate let i = SqlGateway.getReservedSeats connectionString r.Date return! Capacity.check 10 i r |> map (SqlGateway.saveReservation connectionString) }
Notice how the r
value can be used by both the SqlGateway.getReservedSeats and Capacity.check functions, because they are all within the same scope.
This example looks more like the Haskell composition in my previous article. It even looks cleaner in F#, but to be fair to Haskell, in F# you don't have to explicitly deal with IO as a monadic context, so that in itself makes things look simpler.
You may wonder why I chose to use return!
with an expression using the map
function. One reason was that I wanted to avoid having to bind a named value to the result of calling Capacity.check. Naming is always difficult, and while I find the names r
and i
acceptable because the scope is so small, I prefer composing functions without having to declare intermediary values.
Another reason was that I wanted to show you an example that resembles the previous Haskell example as closely as possible.
You may, however, find the following variation more readable. In order to use return
instead of return!
, you need to furnish a Return
method on your computation builder:
type EitherBuilder () = member this.Bind(x, f) = bind f x member this.Return x = Success x
Nothing prevents you from adding both Return
and ReturnFrom
(as well as other) methods to the EitherBuilder class, but I'm showing you the minimal implementation required for the example to work.
Using this variation of EitherBuilder, you can alternatively write the imp
function like this:
let imp candidate = either { let! r = Validate.reservation candidate let i = SqlGateway.getReservedSeats connectionString r.Date let! r = Capacity.check 10 i r return SqlGateway.saveReservation connectionString r }
In such an alternative, you can use a let!
-bound value to capture the result of calling Capacity.check, but that obligates you to devise a name for the value. You'll often see names like r'
, but I always feel uneasy when I resort to such naming. Here, I circumvented the problem by shadowing the original r
value with a new value also called r
. This is possible, and even desirable, because once the reservation has been checked, you should use that new, checked value, and not the original value. That's what the original composition, above, does, so shadowing is both equivalent and appropriate.
Computation expressions give you an opportunity to compose functions in a readable way. It's an alternative to using the underlying bind and map functions. Whether you prefer one over the other is partly subjective, but I tend to favour the underlying functions until they become inconvenient. The initial version of the imp
function in this article is an example of map and bind becoming unwieldy, and where a computation expression affords a cleaner, more readable syntax.
The disadvantage of computation expressions is that you need to use return
or return!
to return a value. That forces you to write an extra line of code that isn't necessary with a simple bind
or map
.


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Mesut Ozil sends message to Unai Emery after second Arsenal start in Premier League
The World Cup winner returned for the Gunners as they drew 1-1 with Wolves on Saturday afternoon
by Jake Polden, https://www.mirror.co.uk/authors/jake-polden/Mesut Ozil announced it's good to be back playing Premier League football after making his second domestic start of the season against Wolves.
The Gunners' best-paid player has fallen down the pecking order under Emery, but impressed in Arsenal's Carabao Cup defeat by Liverpool on Wednesday.
As a result, Emery opted to include him in his starting XI for this weekend's 1-1 draw with Wolves, with Ozil offering Arsenal more creativity in the middle of the park.
Taking to Twitter after the game, Ozil wrote: "Good to be back in Premier League action, but not happy about the result at home.
"Many things to work on. We have to keep moving forward with our heads held high."
Emery announced on Friday Ozil would line up against Wolves as he ruled out Granit Xhaka.
The Swiss clashed with fans during last Sunday's draw with Crystal Palace, after supporters booed him as he was subbed off at the Emirates.
"He is training normally, but like every human he feels emotions. Xhaka's issues last week need time to recover the normality with him and with us," said Emery.
"Xhaka has said sorry, he gave apologies to the supporters, to everybody."


set_stream_position(s, pos, @optional whence = 'beginning)
A stream may allow its current position to be moved directly to a different position
in the underlying stream of bytes or characters. If so, set_stream_position
changes the
current position to pos
. For binary streams, pos
must be an exact
nonnegative integer byte displacement from the start of the byte stream.
For textual streams, the representation of a position is unspecified, but pos
must
be an appropriate position for the textual stream. If set_stream_position
is called on a
stream that does not support it, an exception is raised.
The symbolic argument whence
should be one of: 'beginning, 'current
or 'end. When whence
is
omitted or is 'beginning, the position is relative to the beginning of the file. When whence
is 'current,
pos
is taken to be relative to the current byte position of the file.
When whence
is 'end, pos
is taken to be relative to the end of the file.
If the stream s
is a binary output stream and the position is set beyond the current end
of the data in the underlying stream, s
is not extended until new data is written
at that position. If new data is written at that position, the contents of each
intervening position is unspecified. Binary streams created with file_writer
and file_reader
can always be extended in this manner within the limits of the underlying operating system.
In other cases, attempts to set the stream beyond the current end of data in the underlying
object may result in an exception.
Return the new position on success.
let s = file_stream("out.txt", options = ['create])
showln(stream = s, "hello, world")
set_stream_position(s, 0)
read_line(s)
// hello, world


Dear Dry,
“I give it 6 months before they run out of things to say.”
That’s what ABC Evening News anchor Harry Reasoner quipped when Ms. was launched in 1972. Well, it’s 42 years later – and we have plenty more to say!
Join us for the “Ms. "Wonder Awards Luncheon [ http://org.salsalabs.com/o/1400/p/salsa/event/common/public/?event_KEY=82464 ] at the National Press Club in Washington, DC on November 19, 2014 to commemorate our 42nd Anniversary. We’ll be celebrating with Ms. founding Editor Gloria Steinem as well as some of the nation’s leading feminist journalists, reporters, and commentators.
[ https://org.salsalabs.com/o/1400/p/salsa/event/common/public/?event_KEY=82464 ]
Let’s celebrate 42 years of reporting, rebelling and truth-telling! [ https://org.salsalabs.com/o/1400/p/salsa/event/common/public/?event_KEY=82464 ]
Because we want to celebrate and honor our supporters, we are inviting our guests and sponsors to join us for a VIP pre-event reception at 11:30 AM where the good food, the conversation, the stories and the celebration will begin. *See sponsorship opportunities here.* [ http://org.salsalabs.com/o/1400/p/salsa/event/common/public/?event_KEY=82464 ]
If you would rather just join us for the luncheon, you’re also welcome to register for General Seating at 12:30. *Either way, we hope you’ll join us for an inspiring program and meet the awesome honorees for the all new "Ms.” Wonder Awards* [ http://org.salsalabs.com/o/1400/p/salsa/event/common/public/?event_KEY=82464 ].
Believe me, you won’t want to miss the Ms. Wonder Awards and anniversary celebration. Register today before we sell out! [ https://org.salsalabs.com/o/1400/p/salsa/event/common/public/?event_KEY=82464 ]
For Equality,
Ellie Smeal
Kathy Spillar
Executive Editor
PS: We have a *special discounted rate* [ http://org.salsalabs.com/o/1400/p/salsa/event/common/public/?event_KEY=82464 ] for seniors and students. Register for this memorable event today.


federatedml.feature.hetero_feature_binning package¶
Submodules¶
federatedml.feature.hetero_feature_binning.base_feature_binning module¶
-
class
federatedml.feature.hetero_feature_binning.base_feature_binning.
BaseHeteroFeatureBinning
[source]¶ Bases:
federatedml.model_base.ModelBase
Do binning method through guest and host
-
header
¶ record headers of input table
Type: list
-
has_synchronized
¶ Record whether the encryption information has been synchronized or not.
Type: bool
-
flowid
¶ Use in cross validation
Type: str
-
binning_result
¶ Record binning result of guest party. The format is {‘col_name’: ‘iv_attr’, … }
Type: dict
-
host_results
¶ This attribute uses to record host results. For future version which may record multiple host results, the format is dict of dict. e.g. host_results = {‘host1’: {‘x1’: iv1, ‘x2: iv2}
‘host2’: … }Type: dict
-


Run-time version information.
More...
Go to the source code of this file.
Run-time version information.
Definition in file version.h.
◆ MBEDTLS_VERSION_MAJOR
| #define MBEDTLS_VERSION_MAJOR 2 |
The version number x.y.z is split into three parts. Major, Minor, Patchlevel
Definition at line 66 of file version.h.
◆ MBEDTLS_VERSION_MINOR
| #define MBEDTLS_VERSION_MINOR 16 |
◆ MBEDTLS_VERSION_NUMBER
| #define MBEDTLS_VERSION_NUMBER 0x02100B00 |
The single version number has the following structure: MMNNPP00 Major version | Minor version | Patch version
Definition at line 75 of file version.h.
◆ MBEDTLS_VERSION_PATCH
| #define MBEDTLS_VERSION_PATCH 11 |
◆ MBEDTLS_VERSION_STRING
| #define MBEDTLS_VERSION_STRING "2.16.11" |
◆ MBEDTLS_VERSION_STRING_FULL
| #define MBEDTLS_VERSION_STRING_FULL "mbed TLS 2.16.11" |
◆ mbedtls_version_check_feature()
| int mbedtls_version_check_feature |
( |
const char * |
feature | ) |
|
Check if support for a feature was compiled into this mbed TLS binary. This allows you to see at runtime if the library was for instance compiled with or without Multi-threading support.
- Note
- only checks against defines in the sections "System
support", "mbed TLS modules" and "mbed TLS feature
support" in config.h
- Parameters
-
| feature | The string for the define to check (e.g. "MBEDTLS_AES_C") |
- Returns
- 0 if the feature is present, -1 if the feature is not present and -2 if support for feature checking as a whole was not compiled in.
◆ mbedtls_version_get_number()
| unsigned int mbedtls_version_get_number |
( |
void |
| ) |
|
Get the version number.
- Returns
- The constructed version number in the format MMNNPP00 (Major, Minor, Patch).
◆ mbedtls_version_get_string()
| void mbedtls_version_get_string |
( |
char * |
string | ) |
|
Get the version string ("x.y.z").
- Parameters
-
| string | The string that will receive the value. (Should be at least 9 bytes in size) |
◆ mbedtls_version_get_string_full()
| void mbedtls_version_get_string_full |
( |
char * |
string | ) |
|
Get the full version string ("mbed TLS x.y.z").
- Parameters
-
| string | The string that will receive the value. The mbed TLS version string will use 18 bytes AT MOST including a terminating null byte. (So the buffer should be at least 18 bytes to receive this version string). |