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How can I count all the lines of code in a directory recursively?
...ent, add it to one of the initialization files (~/.bashrc, ~/.bash_profile etc.).
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低效程序员的7个坏习惯 - 创意 - 清泛网 - 专注C/C++及内核技术
...le的Charles解释道，“低效的工程师会错误地表征用户体验问题为其他人的问题。”
遗憾的是，似乎很多软件工程师都持有这种态度，这也是为什么企业要寻求能够移情和了解他人问题的代码战士。 “雇主正在竭力寻找那些拥有...
PHP DOMDocument loadHTML not encoding UTF-8 correctly
...u have multi-byte characters (such as Chinese, Russian, Arabic, Hebrew, ...etc.)
I recommend reading this article: http://coding.smashingmagazine.com/2012/06/06/all-about-unicode-utf8-character-sets/. You will understand how UTF-8 works and why you have this problem. It will take you about 30 minu...
Get absolute path of initially run script
...nd line, but, a solution should function just as well if run within Apache etc.
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Convert timestamp to readable date/time PHP
...are using PHP date(), you can use this code to get the date, time, second, etc.
$time = time(); // you have 1299446702 in time
$year = $time/31556926 % 12; // to get year
$week = $time / 604800 % 52; // to get weeks
$hour = $time / 3600 % 24; // to get hours
$minute = $time / 60 ...
Is PHP compiled or interpreted?
... performance penalty as PHP recompiles my source code for every request?", etc.)
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How to become an OpenCart guru? [closed]
...s all products currently in the cart including options, discounted prices, etc.
$this->cart->add( $product_id, $qty = 1, $options = array()) - Allows you to add a product to the cart
$this->cart->remove( $key ) - Allows you to remove a product from the cart
$this->cart->clear() - A...
C++虚继承的概念 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的同名的数据成员在内存中有不同的拷贝造成数据不一致问题，将共同基类设置为虚基类。这时从...C++中虚拟继承的概念
为了解决从不同途径继承来的同名的数据成员在内存中有不同的拷贝造成数据不一致问题，将共同基类设...
What's wrong with using $_REQUEST[]?
...
$_REQUEST refers to all sorts of requests (GET, POST etc..). This is sometimes useful, but is usually better to specify the exact method ($_GET, $_POST etc).
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Redis 的性能幻想与残酷现实 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...态数据
临时缓存数据
后台统计用的流水数据
导致的问题就是当你想扩分片的时候，客户端 Hash 映射就变了，这是要迁移数据的。而所有数据放在一组 Redis 里，要把它们分开就麻烦了，每个 Redis 实例里面都是千万级的 key。
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