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鼠标的发明是了不起的创新，它让电脑更加接近普通人。但从程序员和系统管理员的角度，使用电脑工作时，手一旦离开键盘，就会有些分心。作为一名系统管理员，我大量的工作都需要在终端环境下。打开很多标签，然后在多...

PHP Debugbar integration for Laravellaravel 安装执行：1. composer require barryvdh/laravel-debugbar 2. 在 config/app.php 中配置  Barryvdh\Debugbar\ServiceProvider::class,3. 在 config/ap...

最近做头像上传用到剪切，只要GIF或者PNG是透明的话，剪切后都会变成黑色的背景图。　　解决方案有2种：　　1.背景图填充白色的背景。　　$white = imagecolorallocate($dstim,255,255,255); imagefilledrectangle($...

C.A.R. Hoare, The 1980 ACM Turing Award LectureThere are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies and the other way is to ma...

1.用逗号连接echo字符串 $name='orange';  $address='BeiJing';  echo 'Hi,'.$name.'! Welcome to '.$address;//慢  echo...

2015-08-19 01:12:31 6608 [ERROR] InnoDB: ./ibdata1 can't be opened in read-write mode2015-08-19 01:12:31 6608 [ERROR] InnoDB: The system tablespace must be writable!2015-08-19 01:12:31 6608 [ERROR...

第一步：先安装freetds及相关库yum install freetds freetds-devel第二步：下载php源码及编译sybase扩展wget http://cn.php.net/get/php-5.3.6.tar.bz2/from/this/mirrortar jxvf php-5.3.6.tar.bz2 cd php-5.3...