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How to import data from mongodb to pandas?
...odes I'm using:
import pandas as pd
from pymongo import MongoClient
def _connect_mongo(host, port, username, password, db):
""" A util for making a connection to mongo """
if username and password:
mongo_uri = 'mongodb://%s:%s@%s:%s/%s' % (username, password, host, port, db)
...
What is a “context bound” in Scala?
... Iterable[T]) =
xs zip ys map { t => implicitly[Numeric[T]].times(t._1, t._2) }
or
def **[T : Numeric](xs: Iterable[T], ys: Iterable[T]) =
xs zip ys map { t => context[T]().times(t._1, t._2) }
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...
Calling a function within a Class method?
...c function newTest(){
$this->bigTest();
$this->smallTest();
}
private function bigTest(){
//Big Test Here
}
private function smallTest(){
//Small Test Here
}
public function scoreTest(){
//Scoring code here;
...
What does the “===” operator do in Ruby? [duplicate]
...
Just like with every other method in Ruby (or actually pretty much any object-oriented language),
a === b
means whatever the author of a's class wants it to mean.
However, if you don't want to confuse the heck out of your colleagues, the convention is that === is the cas...
How to remove unwanted space between rows and columns in table?
...onym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, foo...
How to format a java.sql Timestamp for displaying?
...SQL and want the database itself to perform the conversion, use this:
DATE_FORMAT(date,format)
If you prefer to format using Java, use this:
java.text.SimpleDateFormat
SimpleDateFormat dateFormat = new SimpleDateFormat("M/dd/yyyy");
dateFormat.format( new Date() );
...
How to write into a file in PHP?
...on like:
file_put_contents($filename, $content);
which is identical to calling fopen(), fwrite(), and fclose() successively to write data to a file.
Docs: file_put_contents
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How to record webcam and audio using webRTC and a server-based Peer connection
...ly have a look at Kurento. It provides a WebRTC server infrastructure that allows you to record from a WebRTC feed and much more. You can also find some examples for the application you are planning here. It is really easy to add recording capabilities to that demo, and store the media file in a URI...
CSS transition shorthand with multiple properties?
...n: height 0.3s ease-out, opacity 0.3s ease 0.5s;
Or just transition them all:
-webkit-transition: all 0.3s ease-out;
-moz-transition: all 0.3s ease-out;
-o-transition: all 0.3s ease-out;
transition: all 0.3s ease-out;
Here is a straightforward example. Here is another one with the delay propert...
Debugging Scala code with simple-build-tool (sbt) and IntelliJ
... running the remote JVM -- something like
-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005
Launch sbt with these arguments and then execute jetty-run. Finally, launch your remote debug configuration in IntelliJ. This thread might be useful.
...