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ffmpeg -i input.mkv -c:v libx264 -c:a aac output.mp4 |
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/*是否带有小数*/ | |
function isDecimal(strValue ) { | |
var objRegExp= /^\d+\.\d+$/; | |
return objRegExp.test(strValue); | |
} | |
/*校验是否中文名称组成 */ | |
function ischina(str) { | |
var reg=/^[\u4E00-\u9FA5]{2,4}$/; /*定义验证表达式*/ | |
return reg.test(str); /*进行验证*/ |
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package main | |
import ( | |
"flag" | |
"fmt" | |
"net/http" | |
"os" | |
"os/exec" | |
"path/filepath" | |
) |
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<?php | |
header('Content-Type: text/plain;charset=utf-8'); | |
$data = 'phpbest'; | |
$key = 'oScGU3fj8m/tDCyvsbEhwI91M1FcwvQqWuFpPoDHlFk='; //echo base64_encode(openssl_random_pseudo_bytes(32)); | |
$iv = 'w2wJCnctEG09danPPI7SxQ=='; //echo base64_encode(openssl_random_pseudo_bytes(16)); | |
echo '内容: '.$data."\n"; | |
$encrypted = openssl_encrypt($data, 'aes-256-cbc', base64_decode($key), OPENSSL_RAW_DATA, base64_decode($iv)); | |
echo '加密: '.base64_encode($encrypted)."\n"; |
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/** | |
* 获取该条记录的自增ID | |
* 将自增转换为62进制,并拼接网址 如:http://qetee.com/w7e | |
* 用户访问到 http://qetee.com/w7e 时,提取短网址后缀 w7e | |
* 将短网址后缀转换为10进制,得到自增ID号 如:123456 | |
* 使用查询该记录,进行业务逻辑处理(比如跳转) | |
*/ | |
/** | |
* 十进制数转换成62进制 |
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/* | |
| @param char|int $start_date 一个有效的日期格式,例如:20091016,2009-10-16 | |
| @param char|int $end_date 同上 | |
| @return 给定日期之间的周末天数 | |
*/ | |
function get_weekend_days($start_date,$end_date){ | |
if (strtotime($start_date) > strtotime($end_date)) list($start_date, $end_date) = array($end_date, $start_date); | |
$start_reduce = $end_add = 0; |
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<?php | |
/* | |
* Curl 多线程类 | |
* 使用方法: | |
* ======================== | |
$urls = array("http://baidu.com", "http://dzone.com", "http://google.com"); | |
$mp = new MultiHttpRequest($urls); | |
$mp->start(); | |
* ======================== | |
* 当然,如果你喜欢,还可以对此类进行扩展, |
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<?php | |
/* | |
* Return path folders and files | |
* @param string $path Input path | |
* @param showFolder $path is show folder | |
* @param pattern $path glob function's pattern | |
* @return array | |
*/ | |
function fileTree($path, $showFolder = false, $pattern = '*'){ |
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<?php | |
function authcode($string, $operation = 'DECODE', $key = '', $expiry = 0) { | |
$ckey_length = 4; | |
$key = md5($key); | |
$keya = md5(substr($key, 0, 16)); | |
$keyb = md5(substr($key, 16, 16)); | |
$keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length): substr(md5(microtime()), -$ckey_length)) : ''; |
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<?php | |
$auto = 1; | |
checkdir('D:\path\path'); | |
function checkdir($basedir) { | |
if ($dh = opendir($basedir)) { | |
while (($file = readdir($dh)) !== false) { | |
if($file{0} == '.') { | |
continue; | |
} |
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