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https://www.tsingfun.com/it/tech/1087.html 

Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...虑的性能点之一。这种应用常见于消息推送系统,也称为comet应用,比如聊天室或即时消息推送系统等。comet应用具体可见我之前的介绍,在此不多讲。对于这类系统,因为很多消息需要到产生时才推送给客户端,所以当没有消...
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Shortest distance between a point and a line segment

I need a basic function to find the shortest distance between a point and a line segment. Feel free to write the solution in any language you want; I can translate it into what I'm using (Javascript). ...
https://www.tsingfun.com/it/opensource/451.html 

Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...

Linux下部署企业级邮件服务器(postfix + dovecot + extmail)postfix + dovecot + extmail解决方案搭建邮件服务器全攻略,以及搭建过程中常见问题的解决方法汇总。首先通过一幅图看看整个解决方案的原理: 当用户通过extmail登陆时,首先extm...
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Does PNG contain EXIF data like JPG?

I was wondering if PNG contains data like the following? 6 Answers 6 ...
https://www.tsingfun.com/ilife/tech/423.html 

18月磨出AXON天机 曾学忠做高端机 能为中兴品牌扛旗吗? - 资讯 - 清泛网 -...

...师大会发出“三年重回国内前三”的豪言之后,中兴终端CEO曾学忠祭出了第一个大招——首款面向高端市场的旗舰AXON天机。 这款号称历时18个月打造、由北美团队研发和设计的新旗舰,分为美国版和全球版。美国版售价449.98美...
https://www.tsingfun.com/ilife/tech/562.html 

谁在争抢UGC - 资讯 - 清泛网 - 专注C/C++及内核技术

谁在争抢UGC本月,凤凰新闻客户端邀请网络红人凤姐--罗玉凤为签约主笔。之后,凤姐将定期在凤凰新闻客户端发布独家主笔文章,引来一片哗然。如同今年4...本月,凤凰新闻客户端邀请网络红人“凤姐”--罗玉凤为签约主笔。...
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Regex: match everything but specific pattern

I need a regex able to match everything but a string starting with a specific pattern (specifically index.php and what follows, like index.php?id=2342343 ) ...
https://www.tsingfun.com/ilife/life/1338.html 

马无夜草不肥——聊聊程序员接私活的那些坑 - 杂谈 - 清泛网 - 专注C/C++及内核技术

马无夜草不肥——聊聊程序员接私活的那些坑搬砖苦啊,搬砖累啊,努力干活工资不涨还心累啊。码农当自强,于是部分程序猿媛开始了天知地知客户知的私活。但接私活会活少钱多来钱快么?... 搬砖苦啊,搬砖累啊,努力干...
https://www.tsingfun.com/ilife/life/1034.html 

故乡的冬日 - 杂谈 - 清泛网 - 专注C/C++及内核技术

故乡的冬日【故乡的冬日】傍晚,昏黄的天空飘下零星的雪花,街灯黄晕的光中,精灵一般纷飞的雪花仿佛将人带入一个童话世界。傍晚,昏黄的天空飘下零星的雪花,街灯黄晕的光中,精灵一般纷飞的雪花仿佛将人带入一个童...
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Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?

...ression that goto should never be used if possible. While perusing libavcodec (which is written in C) the other day, I noticed multiple uses of it. Is it ever advantageous to use goto in a language that supports loops and functions? If so, why? ...