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What is the difference between square brackets and parentheses in a regex?
...uestion uses keyword var in code, this probably is JavaScript). The use of php which runs on PCRE for preg matching will optimize away the lack of backtracking, however we're not in PHP either, so using classes [] instead of alternations | gives performance bonus as the match does not backtrack, and...
Algorithm to randomly generate an aesthetically-pleasing color palette [closed]
...n in their web page.
http://tools.medialab.sciences-po.fr/iwanthue/index.php
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Formatting code snippets for blogging on Blogger [closed]
...ript src='http://syntaxhighlighter.googlecode.com/svn/trunk/Scripts/shBrushPhp.js' type='text/javascript'></script>
<script src='http://syntaxhighlighter.googlecode.com/svn/trunk/Scripts/shBrushPython.js' type='text/javascript'></script>
<script src='http://syntaxhighlighter....
MySQL OPTIMIZE all tables?
...n any SQL IDE connected to your database.
Notice: this code WON'T work on phpmyadmin.
How it works
It runs a show tables statement and stores it in a prepared statement. Then it runs a optimize table in the selected set.
You can control which tables to optimize by setting a different value in th...
How do I prevent site scraping? [closed]
...icles are served from a URL which looks something like example.com/article.php?articleId=12345. This (and similar things) which will allow scrapers to simply iterate over all the articleIds and request all the articles that way.
There are other ways to eventually find all the articles, such as by wr...
地图组件（高德地图） · App Inventor 2 中文网
...特征多少，是否透明。1 ~ 7 可以自行试试效果。
如有问题，点此参与讨论。
中心坐标字串
设置地图的初始中心坐标（纬度,经度），以英文逗号分隔的十进制经纬度坐标形式指定，例如：39.903179, 116.397427（天安门）。
...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...归定义，这是很不好的，所以make会自动为我们解决这个问题，我们不必担心这个问题。
五、override 指示符
如果有变量是通常make的命令行参数设置的，那么Makefile中对这个变量的赋值会被忽略。如果你想在Makefile中设置这类...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...归定义，这是很不好的，所以make会自动为我们解决这个问题，我们不必担心这个问题。
五、override 指示符
如果有变量是通常make的命令行参数设置的，那么Makefile中对这个变量的赋值会被忽略。如果你想在Makefile中设置这类...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...归定义，这是很不好的，所以make会自动为我们解决这个问题，我们不必担心这个问题。
五、override 指示符
如果有变量是通常make的命令行参数设置的，那么Makefile中对这个变量的赋值会被忽略。如果你想在Makefile中设置这类...
Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注IT技能提升
...归定义，这是很不好的，所以make会自动为我们解决这个问题，我们不必担心这个问题。
五、override 指示符
如果有变量是通常make的命令行参数设置的，那么Makefile中对这个变量的赋值会被忽略。如果你想在Makefile中设置这类...