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Java generics type erasure: when and what happens?
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The term "type erasure" is not really the correct description of Java's problem with generics.
Type erasure is not per se a bad thing, indeed it is very necessary for performance and is often used in several languages like C++, Haskell, D.
Before you disgust, please recall...
Handler vs AsyncTask vs Thread [closed]
...sage and Runnable objects
associated with a thread's MessageQueue
This description might seem strange at first. We only need to understand that each thread has each message queue (like a to-do list), and the thread will take each message and do it until the message queue is empty (just like we f...
How to sort an array of objects by multiple fields?
...nding on the parser. I made a gist and test suite.
– php_nub_qq
Sep 21 '17 at 17:18
Based on the sample data it looks ...
unable to copy/paste in mingw shell
...ms to be a bit buggy. For instance running an an executable via cli (e.g. php -version results in empty output and forces me to restart the shell). Waiting for a new update, hopefully which will fix this.
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JavaScript unit test tools for TDD
... unit testing and doesn't have any Dojo dependencies. There is a very good description of it at Unit testing Web 2.0 applications using the Dojo Objective Harness.
If you want to automate the UI testing (a sore point of many developers) — check out doh.robot (temporary down. update: other link ht...
Wolfram's Rule 34 in XKCD [closed]
...d with these unique CA:
http://lucasoman.com/files/projects/caeditor/caed.php
As you can see by playing with it, you can randomly toggle any block, which alters every
block below it according to the rules. It's kind of a neat way to see the chain reaction
caused by aberrations in the process.
H...
How many files can I put in a directory?
...d for storing thumbnails and on a Linux server.
Listed files via FTP or a php function is slow yes, but there is also a performance hit on displaying the file. e.g. www.website.com/thumbdir/gh3hg4h2b4h234b3h2.jpg has a wait time of 200-400 ms. As a comparison on another site I have with a around 10...
Find a value anywhere in a database
...n filtering, and will search most of the normal data types.
A pseudo-code description could be select * from * where any like 'foo'
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-- Search all columns in all tables in a database for a string.
-- Does not search: i...
What is the meaning of single and double underscore before an object name?
...the addition of synopses of the transcript).
Edit: The video links in the description of the talks are now broken. You can find the first two videos here and here.
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Why does the use of 'new' cause memory leaks?
...deletes automatically
This is a common idiom that goes by the not-very-descriptive name RAII (Resource Acquisition Is Initialization). When you acquire a resource that needs cleanup, you stick it in an object of automatic storage duration so you don't need to worry about cleaning it up. This app...