大约有 19,000 项符合查询结果(耗时:0.0419秒) [XML]

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WiX tricks and tips

...INSTALLLOCATION"> <RegistrySearch Id="RegistrySearch" Type="raw" Root="HKLM" Win64="$(var.Win64)" Key="Software\Company\Product" Name="InstallLocation" /> </Property> Note: WiX guru Rob Mensching has posted an excellent blog entry which goes into more detail and f...
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TokuMX vs. MongoDB 性能对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...占用也比MongoDB少10%左右)。这种思路不稀奇,5.x版本的MySQL,如果设定file_format为Barracuda,也可以直接对表做压缩,同时不影响外部操作;提高写入速度则值得一提,原来TokuMX的做法是使用 分形树索引(Fractal Tree Index) ,替代...
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Cron and virtualenv

... SHELL environment variable to be /bin/bash: SHELL=/bin/bash */10 * * * * root source /path/to/virtualenv/bin/activate && /path/to/build/manage.py some_command > /dev/null It's tricky to spot why this fails as /var/log/syslog doesn't log the error details. Best to alias yourself to ro...
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How to get multiple counts with one SQL query?

... entire nested query with a simple count(*) as @Mihai shows - with further MySQL only syntax simplifications. – YoYo Apr 1 '17 at 19:29 add a comment  |  ...
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Run a string as a command within a Bash script

...g minus two parameters so I ended up with something like: my_exe () { mysql -sN -e "select $1 from heat.stack where heat.stack.name=\"$2\";" } This is something I use to monitor openstack heat stack creation. In this case I expect two conditions, an action 'CREATE' and a status 'COMPLETE' on ...
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Is there a way to change the environment variables of another process in Unix?

... Substantially, no. If you had sufficient privileges (root, or thereabouts) and poked around /dev/kmem (kernel memory), and you made changes to the process's environment, and if the process actually re-referenced the environment variable afterwards (that is, the process had not ...
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Setting up foreign keys in phpMyAdmin?

...dmin lets you define foreign keys using their "relations" view. But since, MySQL only supports foreign constraints on "INNO DB" tables, the first step is to make sure the tables you are using are of that type. To setup a foreign key so that the PID column in a table named CHILD references the ID co...
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No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?

... Set the JAVA_HOME environment variable to the JDK root folder - required if you run command line or maven (mvn). (Search google for JAVA_HOME for more info) In project properties in section Java Compiler select required JDK - if you run directly from eclipse ...
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互联网健身的火爆:技术驱动是内因 资本只是点缀 - 资讯 - 清泛网 - 专注C/...

...网健身的创业者们来讲是亟待解决的问题。无论创业者们如何解决这些问题,“业余是细流,专业是大坝”这个基本的原则才是保证整个产品科学发展的关键因素。 改变四:比赛还是要打的,关键是怎么打 对于很多日常的健...
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How to delete all the rows in a table using Eloquent?

... use Model::truncate() if you disable foreign_key_checks (I assume you use MySQL). DB::statement("SET foreign_key_checks=0"); Model::truncate(); DB::statement("SET foreign_key_checks=1"); share | ...