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https://www.tsingfun.com/ilife/tech/212.html 

国务院:网速提40%流量不清零 三运营商尚未回应 - 资讯 - 清泛网 - 专注C/C+...

...促进提速降费。 总理还指出,降低网费和流量费,这不政府的决定,而“不降不行”的市场选择。企业降费后,事实上会推动流量消费的增加,实现薄利多销,最终也会提高企业的经营效益。 他解释说,当前加快推进信...
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Office在线预览及PDF在线预览的实现方式大集合 - 更多技术 - 清泛网 - 专注...

...点: 1、有效的保护的源文件及文件的复制,不可复制也缺点。 2、源码自己的,版权有保证。 缺点: 1、服务器上必须安装Office软件。 2、导出PDF文件本身个打印过程,Excel页面格式未设置,会出现一张表格打印出多...
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What is sandboxing?

...ndicate changes flowing from a running program into your computer. The box labeled Hard disk (no sandbox) shows changes by a program running normally. The box labeled Hard disk (with sandbox) shows changes by a program running under Sandboxie. The animation illustrates that Sandboxie is able to inte...
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tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...的可用性和解决并发量的增长。虽然硬件越来越便宜,但一味增加机器会造成大量的维护成本和非高峰时候资源的闲置。 结合对现有机器的优化和合理的资源配置,提高网络带宽的利用率,才更有效的解决方法。 现状 当...
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How to cherry-pick from a remote branch?

...Which means you don't have that repo stored locally. Then: git remote add LABEL_FOR_THE_REPO REPO_YOU_WANT_THE_COMMIT_FROM git fetch LABEL_FOR_THE_REPO git cherry-pick xxxxxxx Where xxxxxxx is the commit hash you want. sh...
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[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术

...TCHAR[theString.GetLength()+1]; _tcscpy(lpsz, theString); 需要说明的,strcpy(或可移值Unicode/MBCS的_tcscpy)的第二个参数 const wchar_t* (Unicode)或const char* (ANSI),系统编译器将会自动对其进行转换。 方法三,使用CString::GetBuffer。例如: CSt...
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How to use sed to replace only the first occurrence in a file?

...needs actual newlines after certain functions, such as after the name of a label or even its omission, as is the case with t here; strategically splitting the script into multiple -e options is an alternative to using an actual newlines: end each -e script chunk where a newline would normally need t...
https://www.tsingfun.com/it/cpp/1373.html 

C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术

C++中智能指针的设计和使用 智能指针(smart pointer)存储指向动态分配(堆)对象指针的类,用于生存期控制,能够确保自动正确的销毁动态分配的对象,防止内存泄露。它的一种通用实现技术使用引用计 智能指针(smart p...
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how to check if a form is valid programmatically using jQuery Validation Plugin

... Thank you, I was already doing something like: $j("#myform label.error").each( function(i,e) { if($j(e).css('display') != 'none') { existErrors = true ; } }); :S Thanks – Jaime Habl...
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Make multiple-select to adjust its height to fit options without scroll bar

...tgroup which takes one line each: <select id="list"> <optgroup label="Group 1"> <option value="1">1</option> </optgroup> <optgroup label="Group 2"> <option value="2">2</option> <option value="3">3</option> </optgroup...