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Shuffling a list of objects
...er. It is a pseduo-random number generator which, when possible, is seeded by a source of real randomness from the OS. For all but cryptography purposes it is random "enough". This is laid out in detail in the random module's documentation.
– dimo414
May 5 '16 ...
Check if SQL Connection is Open or Closed
...
I personally think this is the kind of problem you solve by avoiding. I can maybe see the use case for this code snippet in a stateful application layer, but never on the Web?
– John Zabroski
Apr 18 '14 at 16:32
...
Is it possible to append to innerHTML without destroying descendants' event listeners?
...use DOM functions:
function start() {
var myspan = document.getElementById("myspan");
myspan.onclick = function() { alert ("hi"); };
var mydiv = document.getElementById("mydiv");
mydiv.appendChild(document.createTextNode("bar"));
}
Edit: Bob's solution, from the comments. Post y...
How to change Rails 3 server default port in develoment?
...ms later...
In your project edit script/rails this way:
#!/usr/bin/env ruby
# This command will automatically be run when you run "rails" with Rails 3 gems installed from the root of your application.
APP_PATH = File.expand_path('../../config/application', __FILE__)
require File.expand_path('../...
Align image in center and middle within div
...art.net/fs71/200H/f/2013/236/d/b/bw_avlonas_a5_beach_isles_wallpaper_image_by_lemnosexplorer-d6jh3i7.jpg" />
</div>
CSS
*
{
padding: 0;
margin: 0;
}
#over
{
position:absolute;
width:100%;
height:100%;
text-align: center; /*handles the horizontal centering*/
}
/*ha...
Closure in Java 7 [closed]
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Java Closures are going to be a part of J2SE 8 and is set to be released by the end of 2012.
Java 8's closures support include the concept of Lambda Expressions, Method Reference, Constructor Reference and the Default Methods.
For more information and working examples for this please visit: http...
How do I remove documents using Node.js Mongoose?
... Does this run pre/post-remove middleware? (some model methods bypass document middleware and I'm not sure if this is one of them, the docs are unclear)
– hunterloftis
Aug 5 '13 at 2:25
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How to implement history.back() in angular.js
...ck(); with IE9 (works fine in other browsers of course).
I got it to work by using:
setTimeout(function() {
$window.history.back();
},100);
share
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improve this answer
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How to create a numpy array of all True or all False?
...ks. However, be careful because as @Jichao says, a=np.ones((2,2)) followed by a.dtype=bool does NOT work.
– medley56
Mar 12 '17 at 18:03
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Visual Studio retrieving an incorrect path to a project from somewhere
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Also, do be fooled by the local path link in the source control explorer. I had more then one mapping for my workspace and it was showing what I was expecting there but when it tried to load the project it was using the the other path.
...