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a1exlism / gist:7323bfac08affeaa26c6
Created October 16, 2015 13:25
javascript 'this' object
var Point = new function(x,y){
this.x = x;
this.y = y;
}(1,1);
console.log(Point.x);
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a1exlism / ---------Css Selector-------
Last active March 18, 2016 16:13
1. 子选择器
X Y 所有后代
X>Y 只选择儿子
2.兄弟
X~Y Y是X的之后的所有兄弟
X+Y Y是X之后的直接兄弟
3.属性
X[href="foo"]
4.包含属性*
a[href*="a1ex"]{
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a1exlism / --------Vim--------
Last active September 27, 2019 11:44
基本的vim 操作(有中文) http://vim.rtorr.com/
#常用:
! 强制执行
n->Enter 向下移动n行
:s/word1/word2/g 单行替换
:n1,n2s/word1/word2/g n1行和n2行之间批量替换:word2->word1
:%s/word1/word2/g 全局替换
:s/word1/word2/gc c选项==>confirm 确认选项
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a1exlism / python_BaseXX.py
Last active March 31, 2018 05:11
import base64
encoded = base64.b64encode(b'DATA')
data = base64.b64decode(encoded)
print data
16
32
base64.bXXencode()
'''
from https://docs.python.org/3.3/library/base64.html
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a1exlism / bash_shortcuts.txt
Last active March 31, 2018 05:07
Move to:
Ctrl + a Home
Ctrl + e End
By words:
Alt + f front
Alt + b back
Delete:
Ctrl + u to Home
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a1exlism / RegExp
Last active December 7, 2016 13:44
\ 一般用于转义字符
^ 断言目标的开始位置(或在多行模式下是行首)
$ 断言目标的结束位置(或在多行模式下是行尾)
. 匹配除换行符外的任何字符(默认)
[ 开始字符类定义
] 结束字符类定义
| 开始一个可选分支
( 子组的开始标记
) 子组的结束标记
? 作为量词，表示 0 次或 1 次匹配。位于量词后面用于改变量词的贪婪特性。 (查阅量词)
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a1exlism / scss to css
Created May 27, 2016 04:56
sass --watch srouce.scss:target.css
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a1exlism / PHP_函数变量继承
Created June 27, 2016 14:30
内部函数使用外部变量
function array_traverse($arr)
{
while (list($key, $value) = each($arr)) {
echo "$key => $value"."<br>";
}
}
$arr = array(1,2,3,4);
function array_powN ($arr, $n) {
return (array_map(function ($val) use($n){
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a1exlism / MySQL5.6+'s password plugin
Last active October 8, 2016 16:29
SHOW VARIABLES LIKE 'validate_password%'; ==> current settings
SET GLOBAL validate_password_policy = 'LOW';
SET GLOBAL validate_password_length = 5; ==> global change to this plugin
SET password=PASSWORD("your passwd");
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a1exlism / mysql_import.md
Last active December 31, 2019 02:42
From: http://blog.csdn.net/myron_sqh/article/details/13016945
  1. mysql terminal import
    1. CREATE DATABASE dbname;
    2. mysql>USE dbname;
    3. mysql>SET NAMES utf8
    4. mysql>SOURCE /absolute/path/YOURs.sql;
  2. terminal import

    $mysql -uUSERNAME -p DBNAME < DBNAME.sql