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discuz插件开发新手入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...scuz后台没有设计新插件! 解决方案:在config\config_global.php 最下面添加 $_config['plugindeveloper'] = 2; 刷新后台应用即可 问题2.怎么知道discuz在那些点设置了钩子呢? 设置完成1后 工具->清理缓存 然后刷新下页面就出现好多 类似str...
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What is the advantage of using heredoc in PHP? [closed]

... The heredoc syntax is much cleaner to me and it is really useful for multi-line strings and avoiding quoting issues. Back in the day I used to use them to construct SQL queries: $sql = <<<SQL select * from $tablename where id in [$order_ids_list] and product_na...
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What is thread safe or non-thread safe in PHP?

...s implement different techniques for handling incoming HTTP requests in parallel. A pretty popular technique is using threads -- that is, the web server will create/dedicate a single thread for each incoming request. The Apache HTTP web server supports multiple models for handling requests, one of w...
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How to drop unique in MySQL?

...swered Oct 14 '09 at 8:12 Wael DalloulWael Dalloul 19.4k1111 gold badges4444 silver badges5555 bronze badges ...
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What's the best way to get the last element of an array without deleting it?

...lt;<option code>>s and <<input code>>s will be run on all versions of PHP. For each test run the following code snippet is used: <<input code>> error_reporting(E_ALL); <<option code>> error_reporting(0); $before=microtime(TRUE); for($i=0;$i<100;$i+...
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deny direct access to a folder and file by htaccess

...you can put a .htaccess file in that folder that contains just: deny from all That way you cannot open any file from that folder, but you can include them in php without any problems. share | imp...
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php:获取数组第一个值 - 更多技术 - 清泛网 - 专注C/C++及内核技术

php:获取数组第一个值自PHP 5.4版本后可以使用[ ]来取数据指定位置的元素,索引从0开始,即$arr[0]取数组第一个值。不过为了兼容性,建议还是采取reset(),current(),next()等函数来取数组中的值,reset($arr)后current($arr)取第一个值。自...
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Are “elseif” and “else if” completely synonymous?

...tom line is that both would result in exactly the same behavior. Essentially, they will behave the same, but else if is technically equivalent to a nested structure like so: if (first_condition) { } else { if (second_condition) { } } The manual also notes: Note that elseif and els...
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Facebook Architecture [closed]

...een scrounging for articles/info about the architecture at Facebook, the challenges & ways they tackle them. What they use & why they use. How do they scale & what are the design decisions for what they do etc. Main underpinning being to learn. Knowing about sites which handles such massive traffic ...
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Regular Expression for alphanumeric and underscores

...o or more of the given characters $ : end of string If you don't want to allow empty strings, use + instead of *. As others have pointed out, some regex languages have a shorthand form for [a-zA-Z0-9_]. In the .NET regex language, you can turn on ECMAScript behavior and use \w as a shorthand (y...