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... This has a list of types etc, and has some other useful info. – Wilf Aug 28 '14 at 11:20 add a comment  | ...
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如何高效的学习掌握新技术 - 杂谈 - 清泛网 - 专注C/C++及内核技术

...当于又打开了一扇新的大门,可以从更宽广的角度来看待问题。 从心理学的角度来说,我们对于外部世界的认识可分为三个区域:舒适区,学习区,和恐慌区。我们所熟悉的技术领域就是舒适区,而新技术是处于学习区或恐慌...
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Make .gitignore ignore everything except a few files

...oject (LaTeX) that generates lots of extra files (.auth, .dvi, .pdf, logs, etc) as it runs, but I don't want those to be tracked. ...
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$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'

... // log or don't log request, // redirect to avoid resubmition on F5 etc } If your application needs to react on any data received through post request, use this: if(!empty($_POST)) { // if received any post data // process $_POST values, // save data to DB, // ... } if(!empty(...
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D Programming Language in the real world? [closed]

...de garbage collection, a monitor object for each class, runtime type info, etc. Unlike Ruby, Python, PHP, etc, D tries to be almost as fast as C, even if it is less dynamic and slightly more difficult to program in than scripting languages. The result is a language that is optimal when both develo...
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How to avoid isset() and empty()

...with this problem is by accessing values of GET and POST (COOKIE, SESSION, etc.) arrays through a class. Create a class for each of those arrays and declare __get and __set methods (overloading). __get accepts one argument which will be the name of a value. This method should check this value in th...
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如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...人若想在效率市场持续稳定的赢利,必须成功的解决两大问题:1、如何在高度随机的价格波动中寻找非随机的部分;2、如何有效的控制自身的心理弱点,使之不致影响自己的理性决策。很多投资家的实践都证明,交易系统在上...
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How to convert PascalCase to pascal_case?

...r edge cases like XMLHTMLConverter or one-letter words near abbreviations, etc. If you don't mind about the (rather rare) edge cases and want to handle SimpleXML correctly, you can use a little more complex solution: $output = ltrim(strtolower(preg_replace('/[A-Z]([A-Z](?![a-z]))*/', '_$0', $input)...
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Scalar vs. primitive data type - are they the same thing?

... typically contrasted with compounds, such as arrays, maps, sets, structs, etc. A scalar is a "single" value - integer, boolean, perhaps a string - while a compound is made up of multiple scalars (and possibly references to other compounds). "Scalar" is used in contexts where the relevant distinct...
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How does this site infecting script work?

...ged forms and reading $_POST and $_GET with replacing <> and http:// etc. share | improve this answer | follow | ...