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【oracle】oracledba7 SQL Access Advisor
You find that the execution time of reports in your datawarehouse application is significantly high. You suspect the lack of indexes to be the reason for the degradation in performance. Which adviso...
分类:数据库   时间:2014-12-20 15:37:42    阅读次数:254
redis celery too many connection
用django 框架,异步任务用celery,队列用redis出现了这个问题,too many connectionCouldn't ack '5f41afc62d-a112-bef34d5de1cc', reason:ConnectionError('Too many connections',)...
分类:其他好文   时间:2014-12-18 23:33:02    阅读次数:551
Sales order type (Delivery block reason/criteria configuration in SPRO)
1. Check the sales order type : SPRO -- > Salse and distribution -- > Sales -- > Sales Documents -- > Sales document Header -- > Define sales document...
分类:其他好文   时间:2014-12-17 20:29:28    阅读次数:191
当程序出现这个提示的时候,是因为你一边遍历数组,又同时修改这个数组里面的内容,导致崩溃
2014-12-17 16:22:15.838 贵金属走势[4638:150754] *** Terminating app due to uncaught exception 'NSGenericException', reason: '*** Collection was mutated wh....
分类:编程语言   时间:2014-12-17 18:14:07    阅读次数:289
异常Crash之 NSGenericException,NSArray was mutated while being enumerated
*** Terminating app due to uncaught exception 'NSGenericException', reason: '*** Collection was mutated while being enumerated.' 从字面上不难理解,Crash的原因...
分类:编程语言   时间:2014-12-12 13:12:05    阅读次数:302
window上mongodb错误:No connection could be made
今天在慕课网(很不错的一个IT技术免费网站)上学习nodeJS开发电影网站,其中使用到了mongo数据库,但是在执行中遇到了如下错误! Failed to connect to 127.0.0.1:27017, reason: errno:10061 No connection could be made because the target machine actively ref...
分类:数据库   时间:2014-12-11 12:21:26    阅读次数:232
Android ListView 中的onItemClick方法中Intent 无法跳转的解决方案
I found this somewhere after googlingThere will be case that your custom list item doesn’t respond when you click…so what’s the reason and what’s the ...
分类:移动开发   时间:2014-12-09 22:45:03    阅读次数:205
socket 例子
socket.php<?phperror_reporting(E_ALL);set_time_limit(0);//ob_implicit_flush();$address=‘127.0.0.1‘;$port=10005;//创建端口if(($sock=socket_create(AF_INET,SOCK_STREAM,SOL_TCP))===false){echo"socket_create()failed:reason:".socket_strerror(socket_last_error(..
分类:其他好文   时间:2014-12-06 06:46:28    阅读次数:179
MongoDB 启动 Failed to connect to 127.0.0.1:27017, reason: 由于目标计算机积极拒绝,无法连接。
MongoDB 启动 Failed to connect to 127.0.0.1:27017, reason: 由于目标计算机积极拒绝,无法连接。...
分类:数据库   时间:2014-12-03 12:33:49    阅读次数:317
OS X Yosemite升级后iTerm启动报错
上午手贱,将Mackbook升级到了Yosemite10.10.1,结果启动iTerm后,直接就报如下错误:dyld:Librarynotloaded:/usr/local/lib/libgdbm.1.dylib Referencedfrom:/usr/local/bin/zsh Reason:p_w_picpathnotfound虽然不影响使用,但看起来实在别扭,于是引起强迫症病发,遂开始修复..
分类:其他好文   时间:2014-12-03 01:52:14    阅读次数:1004
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