大约有 1,500 项符合查询结果(耗时:0.0129秒) [XML]

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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...
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Using node.js as a simple web server

...ecially useful when testing adaptive web sites. Open your HTML page on multiple browsers/window sizes/devices. Save your HTML page and instantly see if your adaptive stuff is working as they all auto refresh. PhoneGap Developers If you're coding a hybrid mobile app, you may be interested to know t...
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Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)

... the socket connector is used, but when you connect to "127.0.0.1" the TCP/IP connector is used. You could try using "127.0.0.1" if the socket connector is not enabled/working. share | improve this ...
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Linux进程与线程总结 [推荐] - C/C++ - 清泛网 - 专注C/C++及内核技术

...进行通信。一个完整的socket有网络协议、网络地址、网络端口三个属性,然后由操作系统为它分配一个本地唯一的socket号。就比如日常生活中的电话,双方必须都要拥有一台电话机而且号码必须唯一,建立通话时必须要知道对方...
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Datatables - Search Box outside datatable

... Default with search input in its own div: sDom: '<"search-box"r>lftip' If you use jQuery UI (bjQueryUI set to true): sDom: '<"search-box"r><"H"lf>t<"F"ip>' The above will put the search/filtering input element into it's own div with a class named search-box that is out...
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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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Access denied for user 'test'@'localhost' (using password: YES) except root user

...ger exists. My problem showed up when we changed the wildcard host (%) to IP specific, making the database more secure. Unfortunately there are some views that are still using 'user'@'%' even though 'user'@'172....' is technically correct. ...
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Socket File “/var/pgsql_socket/.s.PGSQL.5432” Missing In Mountain Lion (OS X Server)

...connect via a Unix-domain socket to a server on the local host, or via TCP/IP to localhost on machines that don't have Unix-domain sockets. Your OS supports Unix domain sockets, but PostgreSQL's Unix socket that psql needs either doesn't exist or is in a different location than it expects. Specif...
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Convert line-endings for whole directory tree (Git)

... Piping find to xargs will fail if find matches any files with whitespace, quotes, or other shell meta characters in their path. At the least use find blog -type f -print0 | xargs -0 dos2unix to handle the case of whitespace. Y...
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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...