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Creating PHP class instance with a string

...\Bar\MyClass'; $instance = new $class(); Other cool stuff you can do in php are: Variable variables: $personCount = 123; $varname = 'personCount'; echo $$varname; // echo's 123 And variable functions & methods. $func = 'my_function'; $func('param1'); // calls my_function('param1'); $meth...
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Memcached下一站:HandlerSocket! - 更多技术 - 清泛网 - 专注C/C++及内核技术

...形中让Memcached成为故障的根源: Memcached数据一致性的问题:当MySQL数据变化后,如果不能及时有效的清理掉过期的数据,就会造成数据不一致。这在强调即时性的Web2.0时代,不可取。 Memcached崩溃后的雪崩效应:作为缓存的Memc...
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从Code Review 谈如何做技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...期和不靠谱的程序员之间的矛盾,我认为cr不是解决这个问题的银弹。不从实际情况出发光打正义的嘴炮实在太过于自慰了 。 我们可以看到,上面观点其实和Code Review没有太多关系,其实是在抱怨另外的问题。这些观点其实是...
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TokuMX vs. MongoDB 性能对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

... 磁盘消耗对比: 选择MongoDB就必然会面对磁盘消耗的问题。我们拿到的数据大概是这样的:每天的数据量不到200万条,平均数据的大小不超过4k,但MongoDB存一个月的数据就需要接近40G,最近三个月的数据则需要接近100G。限...
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How are echo and print different in PHP? [duplicate]

... there any major and fundamental difference between these two functions in PHP? 5 Answers ...
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Creating a config file in PHP

I want to create a config file for my PHP project, but I'm not sure what the best way to do this is. 10 Answers ...
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Make a link use POST instead of GET

...ng more than you already have. <form name="myform" action="handle-data.php" method="post"> <label for="query">Search:</label> <input type="text" name="query" id="query"/> <button>Search</button> </form> <script> var button = document.querySelec...
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Back to previous page with header( “Location: ” ); in PHP

...title of this question kind of explains my question. How do I redirect the PHP page visitor back to their previous page with the header( "Location: URL of previous page" ); ...
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How to exit in Node.js

...hink of Node as the server itself. It isn't just fired up as needed, like PHP is within a web server like Apache. Node doesn't even have to have anything to do with web servers at all! It's just a host for some JavaScript, with some nifty built-in libraries for doing useful things. ...
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List of Big-O for PHP functions

After using PHP for a while now, I've noticed that not all built-in PHP functions are as fast as expected. Consider these two possible implementations of a function that finds if a number is prime using a cached array of primes. ...