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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
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A quick summary of what Microsoft's compilers use for various bits of unowned/uninitialized memory when compiled for debug mode (support may vary by compiler version):
Value Name Description
------ -------- --------------------...
Recursive search and replace in text files on Mac and Linux
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OS X uses a mix of BSD and GNU tools, so best always check the documentation (although I had it that less didn't even conform to the OS X manpage):
https://web.archive.org/web/20170808213955/https://developer.apple.com/lega...
淘宝大秒系统设计详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...列顺序执行，这样能减少同一台机器对数据库同一行记录操作的并发度，同时也能控制单个商品占用数据库连接的数量，防止热点商品占用太多数据库连接。
数据库层做排队。应用层只能做到单机排队，但应用机器数本身很...
了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
...系统查询和操作。由于这个原因，程序员不得不使用本机操作系统提供的应用程序编程接口（Application Program Interfaces，API），而这使得代码不能在平台之间移植。以下面的简单情况为例：您需要确定某个文件是否是 Directory 类型...
How to do a non-greedy match in grep?
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Correction: In most of the regex flavors that support it, the mode that allows . to match newlines is called DOTALL or single-line mode; Ruby is the only one that calls it multiline. In the other flavors, multiline is the mode that allows t...
An operation on a socket could not be performed because the system lac...
An operation on a socket could not be performed because the system lacked sufficient buffer space(由于系统缓冲区空间不足，或者因为队列已满，不能执行套接字上的操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务...
An operation on a socket could not be performed because the system lac...
An operation on a socket could not be performed because the system lacked sufficient buffer space(由于系统缓冲区空间不足，或者因为队列已满，不能执行套接字上的操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务...
An operation on a socket could not be performed because the system lac...
An operation on a socket could not be performed because the system lacked sufficient buffer space(由于系统缓冲区空间不足，或者因为队列已满，不能执行套接字上的操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务...
An operation on a socket could not be performed because the system lac...
An operation on a socket could not be performed because the system lacked sufficient buffer space(由于系统缓冲区空间不足，或者因为队列已满，不能执行套接字上的操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务...
An operation on a socket could not be performed because the system lac...
An operation on a socket could not be performed because the system lacked sufficient buffer space(由于系统缓冲区空间不足，或者因为队列已满，不能执行套接字上的操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务...