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正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...试正则表达式 其它可用的测试工具: RegexBuddy Javascript正则表达式在线测试工具 如果你不觉得正则表达式很难读写的话,要么你是一个天才,要么,你不是地球人。正则表达式的语法很令人头疼,即使对经常使用它的人...
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Windows 7, 64 bit, DLL problems

I have a problem with our executable. I'm running this C++ 32-bit executable on my Windows 7 64-bit development box that also has all those Microsoft applications (Visual Studio 2008 + 2010, TFS, SDK, Microsoft Office)... And it's still running just fine. ...
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Adding Python Path on Windows 7

...ted May 7 '18 at 19:15 Jean-François Fabre♦ 122k1111 gold badges9797 silver badges156156 bronze badges answered Jun 11 '11 at 19:50 ...
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startActivityForResult() from a Fragment and finishing child Activity, doesn't call onActivityResult

...ntByTag method but with your idea – Dagnogo Jean-François Jan 25 '18 at 14:51 add a comment ...
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How to determine the screen width in terms of dp or dip at runtime in Android?

...n and Service are also sub classes of Context. – François POYER Jul 7 '16 at 13:29 add a comment  |  ...
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How to check if an email address exists without sending an email?

...er might not even know all accounts within. – David Mårtensson Feb 27 '11 at 21:25 3 Then why do...
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Postfix发信的频率控制几个参数 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...会被浪费,更严重这会被认为是网络攻击而导致服务器或IP被封。因此需要通过一些参数配置解决,重试一定次数后仍失败的就放弃发送。postfix发信的频率控制有几个: smtpd_client_connection_rate_limit=5 ip地址连接的频率控制. smtpd_cl...
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Is it wrong to use Deprecated methods or classes in Java?

...ormance issue; its too subjective to state that. – KMån May 31 '10 at 7:44 1 @KMan A function be...
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How can I generate a self-signed certificate with SubjectAltName using OpenSSL? [closed]

...sage to the following under [ v3_ca ]: keyUsage = digitalSignature, keyEncipherment digitalSignature and keyEncipherment are standard fare for a server certificate. Don't worry about nonRepudiation. It's a useless bit thought up by computer science guys/gals who wanted to be lawyers. It means not...
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由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...的繁忙程度。因此,我们需要一个任务分配系统,其还能监控各个服务器的负载情况。 任务分配服务器有一些难点: 负载情况比较复杂。什么叫忙?是CPU高?还是磁盘I/O高?还是内存使用高?还是并发高?还是内存换页率高...