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Temporarily change current working directory in bash to run a command [duplicate]

I know I can use cd command to change my working directory in bash. 3 Answers 3 ...
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Removing first x characters from string?

How might one remove the first x characters from a string? For example, if one had a string lipsum , how would they remove the first 3 characters and get a result of sum ? ...
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How to write a comment in a Razor view?

How to write a comment in a MVC view, that won't be transmitted to the final HTML (i.e.,to browser, to response). One can make a comment with: ...
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使用NPAPI编写浏览器插件的源码实例(windows 7/linux) - C/C++ - 清泛网 - ...

使用NPAPI编写浏览器插件的源码实例(windows 7/linux)使用NPAPI编写浏览器插件的源码实例用于种种原因,最近对制作浏览器(chrome,firefox)的插件非常感兴趣搜了一下,讲的几乎全都是在讲的方法和A...用于种种原因,最近对制作浏览器(chrome...
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c++ boost::multi_index composite keys efficiency - C/C++ - 清泛网 - 专注C/C++及内核技术

c++ boost::multi_index composite keys efficiencyLong time reader first time poster! I'm playing around with the boost::multi_index container stuff and have a...Long time reader first time poster! I'm playing around with the boost::multi_index container stuff and have a rather in-depth question that ...
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Linux编程中各种头文件 - C/C++ - 清泛网 - 专注C/C++及内核技术

...ILURE、EXIT_SUCCESS、RAND_MAX和MB_CUR_MAX等等;常用的函数如malloc()、calloc()、realloc()、free()、system()、atoi()、atol()、rand()、srand()、exit()等等 2.unistd.h  是POSIX标准定义的unix类系统定义符号常量的头文件,包含了许多UNIX系统服务的函数...
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use of deleted function std::unique_ptr 编译错误剖析,你可能少了一个st...

use of deleted function std::unique_ptr 编译错误剖析,你可能少了一个std::move编译报错日志如下: usr include c++ 4 7 bits stl_construct h:77:7: error: use of deleted function & 39;std::unique_ptr<_Tp, _Dp>::unique_ptr(const std::unique_p 编译报错日志如下: /usr/...
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从 !important 到关于叹号的 !一切 - 更多技术 - 清泛网 - 专注C/C++及内核技术

从 !important 到关于叹号的 !一切!important 的困惑我的邮箱里有一个 label 是!important,当初是取义自 CSS 的!important,想借用!important的重要之义来标注重要邮件...!important 的困惑 我的邮箱里有一个 label 是“!important”,当初是取义自 C...
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如何诊断CDN故障 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...: shell> cat ip.txt | xargs -n 1 -P 0 -I {} \ wget -q -e http_proxy={} -O {} &quot;http://url/to/file&quot; & 最后看看文件散列是否一致就大功告成了: shell> md5sum * 一旦知道了哪个节点有问题,可以利用淘宝IP地址库反查一下省市县地址是哪里,对...
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linux内存cached释放 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...free命令查看系统内存使用情况的时候会发现:#free -m total used free shared buffers cachedMem: 2...我们用free命令查看系统内存使用情况的时候会发现: #free -m total used free shared buffers cachedMem: 24359...