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What does send() do in Ruby?
...ibility checks, so that you can call private methods, too (useful for unit testing).
If there is really no variable before send, that means that the global Object is used:
send :to_s # "main"
send :class # Object
s...
How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?
...
According to this updated test jsperf.com/short-scope/5 passing 'window' is actually slower, when it come to get a window constant through jQuery, and particularly bad for Safari. So while 'undefined' has a use case, I am not quite convinced that 'win...
Git - push current branch shortcut
...the remote tracking branch.
git branch --set-upstream feature/123-sandbox-tests origin/feature/123-sandbox-tests
Then you can simply use git push to push all the changes. For a more complete answer, please see the accepted answer to a similar question here.
If you only want to push the current b...
Command-line Unix ASCII-based charting / plotting tool
...
The latest version was released in 2007, so yes. A better patch that might actually get released would involve adding another flag and conditionalizing the behavior, but I haven't yet wanted to put in the effort to do that.
...
Should everything really be a bundle in Symfony 2.x?
... soon as they are autoloaded.
In a routing definition file, you can use:
test:
pattern: /test
defaults: { _controller: Controller\Test::test }
It can be any plain old php object, only tied to the framework by the fact it has to return a Symfony\Component\HttpFoundation\Response object...
com.jcraft.jsch.JSchException: UnknownHostKey
...HostKeyChecking" (this introduces insecurities and should only be used for testing purposes), using the following code:
java.util.Properties config = new java.util.Properties();
config.put("StrictHostKeyChecking", "no");
session.setConfig(config);
Option #1 (adding the host to the ~/.ssh/known_...
How can I reverse a list in Python?
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When I tested this slicing was about twice as fast (when reversing a 10k elements list and creating a list from it). I did not test memory consumption though. reverse might be faster though, if you don't need to cast to list afterwa...
Media Player called in state 0, error (-38,0)
...
This is my code,tested and working fine:
package com.example.com.mak.mediaplayer;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.app.Activity;
public clas...
How to check if a float value is a whole number
...l round to 16 digits; 1.0000000000000001 is displayed as 1.0, in 3 the shortest string representation that produces the same value is shown.
– Martijn Pieters♦
Feb 5 '14 at 17:21
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Check if an apt-get package is installed and then install it if it's not on Linux
...ok config-files or similar, so it's "ok" - so to me, this is not a safe test. dpkg-query -l doesnt seem to return a useful result in this case either.
– keen
Sep 23 '16 at 19:49
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