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What makes Lisp macros so special?
...n't think I've ever seen Lisp macros explained better than by this fellow: http://www.defmacro.org/ramblings/lisp.html
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LinkedBlockingQueue vs ConcurrentLinkedQueue
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When should I use a composite index?
... have written another blog; it compares 5 ways of doing lat/lng searches: http://mysql.rjweb.org/doc.php/latlng#representation_choices (It references the link given above as one of the 5.) One of the other ways is this, and it points out that they are optimal for the particular case:
INDEX(geola...
What does new self(); mean in PHP?
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Python: fastest way to create a list of n lists
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phpunit mock method multiple calls with different arguments
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It seems Mockery (https://github.com/padraic/mockery) supports this. In my case I want to check that 2 indices are created on a database:
Mockery, works:
use Mockery as m;
//...
$coll = m::mock(MongoCollection::class);
$db = m::mock(MongoD...
Change the name of the :id parameter in Routing resources for Rails
...ic params slot and found this post that does the exact thing.
The post is https://thoughtbot.com/blog/rails-patch-change-the-name-of-the-id-parameter-in
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Argparse: Required arguments listed under “optional arguments”?
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When should the volatile keyword be used in C#?
...good article on Double Checked Locking, and briefly touches on this topic:
http://en.wikipedia.org/wiki/Double-checked_locking
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GUI not working after rewriting to MVC
...JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
/**
* @see https://stackoverflow.com/q/3066590/230513
* 15-Mar-2011 r8 https://stackoverflow.com/questions/5274962
* 26-Mar-2013 r17 per comment
*/
public class MVCGame implements Runnable {
public static void main(String[] args...