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获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
...据读取完毕后，这个的数据就加载完毕了。这里还有一个问题，程序根据这个FAT表的簇号依次读取每个簇，则程序怎么知道一个簇读取完毕后这个文件就算读取完毕了？一般地，每个一个记录值为下列表中值，则说明已经读到文...
无社交不商业，Uber将边缘化BAT - 资讯 - 清泛网 - 专注C/C++及内核技术
...司，居然打败了如此强大的出租车公司。
这说明了一个问题：就是连接比拥有更加重要。
连接是一种关系，而你拥有的只是物质，也就是说，现在的世界，关系比物质更重要。
讲到这里，我们还没有真正了解互联网...
PHP exec() vs system() vs passthru()
... portability has to be sacrificed for functionality. There are some things PHP just can't do well.
– Frank Crook
Apr 9 '09 at 5:10
30
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How can I run a PHP script in the background after a form is submitted?
...using the following line to invoke the email script:
shell_exec("/path/to/php /path/to/send_notifications.php '".$post_id."' 'alert' >> /path/to/alert_log/paging.log &");
It is important to notice the & at the end of the command (as pointed out by @netcoder). This UNIX command runs ...
Manipulate a url string by adding GET parameters
...
Basic method
$query = parse_url($url, PHP_URL_QUERY);
// Returns a string if the URL has parameters or NULL if not
if ($query) {
$url .= '&category=1';
} else {
$url .= '?category=1';
}
More advanced
$url = 'http://example.com/search?keyword=test&...
How can I capture the result of var_dump to a string?
...
Use output buffering:
<?php
ob_start();
var_dump($someVar);
$result = ob_get_clean();
?>
share
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Add Text on Image using PIL
...
To add text on an image file, just copy/paste the code below
<?php
$source = "images/cer.jpg";
$image = imagecreatefromjpeg($source);
$output = "images/certificate".rand(1,200).".jpg";
$white = imagecolorallocate($image,255,255,255);
$black = imagecolorallocate($image,7,94,94);
$font_siz...
PHP 5.4 Call-time pass-by-reference - Easy fix available?
... call by reference in the function definition, not the actual call. Since PHP started showing the deprecation errors in version 5.3, I would say it would be a good idea to rewrite the code.
From the documentation:
There is no reference sign on a function call - only on function definitions. F...
PDO MySQL扩展模块 检测通不过？ - PHP - 清泛IT论坛，有思想、有深度
php.in中下面两行已经放开注释：
extension=pdo.so
extension=pdo_mysql.so
PDO检测仍然通不过。
终极解决方案：
php编译时加上如下参数，重新编译安装php：
--with-pdo-mysql
php编译安装完整参数请参见：http://www.tsingfun.com/html/2015/env_0826...
What is the difference between MySQL, MySQLi and PDO? [closed]
...
There are (more than) three popular ways to use MySQL from PHP. This outlines some features/differences PHP: Choosing an API:
(DEPRECATED) The mysql functions are procedural and use manual escaping.
MySQLi is a replacement for the mysql functions, with object-oriented and procedur...