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01_Real Application Clusters Overview - 文档下载 - 清泛网 - 专注C/C++及内核技术

...正应用集群 ASM管理存储,Oracle自己的文件系统 心跳ip有问题,关闭次节点只留主节点,防止数据混乱 virtual ip 可漂移,private ip 心跳ip,scan ip DNS解析 ntp服务禁用(时间同步服务,Oracle自己有同步) grid 用户:存储、集群管...
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通信连接组件 · App Inventor 2 中文网

...果与服务器的连接丢失(不是服务器关闭,而是 wifi 连接问题),则不会有任何事件触发(但崩溃现已修复)。 切换 目录 关注 我们 关注我,不迷路 ...
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Where does PHP store the error log? (php5, apache, fastcgi, cpanel)

...oking for is stored (by default) at /usr/local/apache/logs/error_log If all else fails you can check the location of the log file using <?php phpinfo(); ?> share | improve this answer ...
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AngularJS - Any way for $http.post to send request parameters instead of JSON?

... return data; } return $.param(data); } }); That way all calls to $http.post will automatically transform the body to the same param format used by the jQuery $.post call. Note you may also want to set the Content-Type header per call or globally like this: $httpProvider.defa...
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Run PHP Task Asynchronously

...egistration' button, I don't want to make them wait until the email is actually sent, I just want to start the process, and return a message to the user right away. ...
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What is copy-on-write?

...gy used in computer programming. The fundamental idea is that if multiple callers ask for resources which are initially indistinguishable, you can give them pointers to the same resource. This function can be maintained until a caller tries to modify its "copy" of the resource, at which point a true...
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CMap用法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...Y要选LPCTSTR。 遇到好几个人说CMap在用CString做key类型时有问题,说用int和DWORD就可以,用CString就不行。因此很多人推荐使用MFC中的CMapStringToPtr之类。关键是ARG_KEY要选LPCTSTR,否则编译报错。 CMap<CString, LPCTSTR, int, int> typeMap; typeM...
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How can I check if the current date/time is past a set date/time?

... Since PHP &gt;= 5.2.2 you can use the DateTime class as such: if (new DateTime() &gt; new DateTime("2010-05-15 16:00:00")) { # current time is greater than 2010-05-15 16:00:00 # in other words, 2010-05-15 16:00:00 has pass...
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How do you manage databases in development, test, and production?

...of good options. I wouldn't use the "restore a backup" strategy. Script all your schema changes, and have your CI server run those scripts on the database. Have a version table to keep track of the current database version, and only execute the scripts if they are for a newer version. Use a migr...
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外媒评本轮科技泡沫:创业公司首当其冲 九成将消失 - 资讯 - 清泛网 - 专注...

...团队,这个团队只能以财报电话会议内容以及各种棘手的问题为依据,对私营公司进行投资——把它们当作是上市公司。 总之,越来越多的日常投资者正暴露给后期私营科技公司,无论结果是好还是坏。据博伊德介绍,作为富...