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译自 jQuery Plugins / Authoring

创建插件

---

看来 jQuery 你已经用得很爽了，想学习如何自己编写插件。非常好，这篇文档正适合你。用插件和方法来扩展 jQuery 非常强大，把最聪明的功能封装到插件中可以为你及团队节省大量开发时间。

开始

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#!/bin/bash
LOG_DIR=/mnt/nas/backup_nginx_log/

YMD=$1
if [ ! -n "$YMD" -o ${#YMD} -ne 8 ]; then
    echo -e "Usage:\n    $0 [YMD] \n\n参数\n    YMD 时间日期必须为 8 位数字\n\neg:\n    $0 20180123"
    exit
fi

FILES=""

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根据Unicode5.0整理如下：

1）标准CJK文字
http://www.unicode.org/Public/UNIDATA/Unihan.html

2）全角ASCII、全角中英文标点、半宽片假名、半宽平假名、半宽韩文字母：FF00-FFEF
http://www.unicode.org/charts/PDF/UFF00.pdf

3）CJK部首补充：2E80-2EFF
http://www.unicode.org/charts/PDF/U2E80.pdf

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1.查看系统支持的字符集

# locale -a
 

2.更改系统支持的字符集支持

# vi /etc/sysconfig/i18n
LANG="en_US.UTF-8"
SUPPORTED="zh_CN.UTF-8:zh_CN:zh"

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#How to clear the local DNS cache

#macOS Sierra 10.12.0
sudo killall -HUP mDNSResponder

#OSX 10.11.0
sudo killall -HUP mDNSResponder

#OSX 10.10.4
sudo killall -HUP mDNSResponder

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// --- Compiling ---
$ wget http://download.redis.io/releases/redis-2.8.3.tar.gz
$ tar xzvf redis-2.8.3.tar.gz
$ cd redis-2.8.3
$ make
$ make install

// --- or using yum ---
$ rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
$ rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm

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abstract class Singleton
{
    private static $instances = array();
    protected function __construct() {}
    public static function getInstance()
    {
        $class = get_called_class();
        if (!isset(self::$instances[$class])) {
            self::$instances[$class] = new static();
        }

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<?php
class redisFileCacheHandler
{
    private static $_instance = null;
    private static $cacheDir  = "filecache:";
    protected $redisWrite     = null;
    public static function getInstance()
    {
        if (!static::$_instance) {
            static::$_instance = new static;

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<?php
class fileCacheHandler
{
    private static $_instance = null;
    private static $cacheDir = "/dev/shm/cache_file/";
    public static function getInstance()
    {
        if (!static::$_instance) {
            static::$_instance = new static;
        }

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<?php
class A {
    public static $name = null;
    public static function whoami() {
        if (!static::$name) {
            static::$name = get_called_class();
        }
        return static::$name;
    }
}