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浅析为什么char类型的范围是 -128~+127 - C/C++ - 清泛网 - 专注C/C++及内核技术
...一本书上（包括老师）也不会给你为什么是-128~127，这个问题貌似看起来也很简单容易， 以至于不用去思考为什么，不是有一个整型范围的公式吗： -2^(n-1)~2^(n-1)-1 n为整型的内存占用位数，所以int类型32位 那么就是 -(2^31)~2^31 -...
GET URL parameter in PHP
...I'm speaking in the context of PHP data structures. In PHP, an array is an ordered list of key/value combinations. That differs from what other languages (e.g. C or JavaScript) call "array".
– Álvaro González
Oct 27 '19 at 12:02
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重构理论及实践——用工厂模式重构c++后台代码 - C/C++ - 清泛网 - 专注C/C...
...合、编译的耦合、业务逻辑的耦合，这也是重构要解决的问题之一。楼主来鹅厂前是在狼厂和狼司开发广告搜索引擎和电信云平台的，其中在狼厂接触到的代码规模不那么大另外质量还可以，暂且不表；但在狼司，你能想象，一...
Reference - What does this error mean in PHP?
...hat was automatically constructed)
Also make sure you don't have any Byte Order Marks in your code, for example when the encoding of the script is UTF-8 with BOM.
Related Questions:
Headers already sent by PHP
All PHP "Headers already sent" Questions on Stackoverflow
Byte Order Mark
What PHP Fun...
What is a Python equivalent of PHP's var_dump()? [duplicate]
...want an official string representation of some object - you use repr(). In order to have non-official (read human-readable) you can always force conversion to string: str(object), which produces info similar to php's print_r() (used much more ofter for debugging than var_dump).
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搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...文章深入研究一下副本集的内部机制。还是带着副本集的问题来看吧！
副本集故障转移，主节点是如何选举的？能否手动干涉下架某一台主节点。
官方说副本集数量最好是奇数，为什么？
mongodb副本集是如何同步的？如果同...
PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
...ever, you could try doing this:
iconv(mb_detect_encoding($text, mb_detect_order(), true), "UTF-8", $text);
Setting it to strict might help you get a better result.
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How to include() all PHP files from a directory?
... @nalply get_include_path() still cannot auto determine the loading order ( base class may be loaded AFTER extended class , resulting errors )
– Raptor
Jul 12 '13 at 6:51
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vs2010编译boost若干问题解决 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
vs2010编译boost若干问题解决首先说下环境，win7，vs2010。先在http: www.boost.org users download 上下载boost安装包，我下的是1.52.0版。按照说明，直接运行bootstr...首先说下环境，win7，vs2010。
先在http://www.boost.org/users/download/上下载boost安...
How do I use PHP namespaces with autoload?
... @user346665 you must use use Person\Barnes\David\Class1; in order to do $class = new Class1();. With use Person\Barnes\David; you must do $class = new David\Class1();. The use keyword by itself is the equivalent of use Person\Barnes\David\Class1 as Class1; or use Person\Barnes\David...