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How to view the SQL queries issued by JPA?
...e here):
<property name="openjpa.Log" value="DefaultLevel=WARN,Runtime=INFO,Tool=INFO,SQL=TRACE"/>
DataNucleus (see here):
Set the log category DataNucleus.Datastore.Native to a level, like DEBUG.
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How can I create a two dimensional array in JavaScript?
... Array.from(Array(2), () => new Array(4));
arr[0][0] = 'foo';
console.info(arr);
The same trick can be used to Create a JavaScript array containing 1...N
Alternatively (but more inefficient 12% with n = 10,000)
Array(2).fill(null).map(() => Array(4))
The performance decrease com...
Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...个成员可以使用，即DOKAN_OPTIONS里的GlobalContext和DOKAN_FILE_INFO里的Context，其中GlobalContext只能用来存储全局的信息，比如存放线程实例的指针，这样一来，实际上就剩下 DOKAN_FILE_INFO里的Context 一个成员可以用来存储与文件有关的信...
How do I focus on one spec in jasmine.js?
... it isn't in jasmine. this is allowed by test runners like karma. for more info read on: github.com/pivotal/jasmine/pull/309
– p1100i
Aug 12 '14 at 9:08
...
List all virtualenv
... all the virtual environments (if using the anaconda distribution):
conda info --envs
Hope my answer helps someone...
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OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注IT技能提升
... -o file redirect bpftrace output to file
-d debug info dry run
-dd verbose debug info dry run
-b force BTF (BPF type format) processing
-e 'program' execute this program
-h, --help show this help message
-I DIR ad...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注IT技能提升
... -o file redirect bpftrace output to file
-d debug info dry run
-dd verbose debug info dry run
-b force BTF (BPF type format) processing
-e 'program' execute this program
-h, --help show this help message
-I DIR ad...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网移动版 - 专注IT技能提升
... -o file redirect bpftrace output to file
-d debug info dry run
-dd verbose debug info dry run
-b force BTF (BPF type format) processing
-e 'program' execute this program
-h, --help show this help message
-I DIR ad...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注IT技能提升
... -o file redirect bpftrace output to file
-d debug info dry run
-dd verbose debug info dry run
-b force BTF (BPF type format) processing
-e 'program' execute this program
-h, --help show this help message
-I DIR ad...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注IT技能提升
... -o file redirect bpftrace output to file
-d debug info dry run
-dd verbose debug info dry run
-b force BTF (BPF type format) processing
-e 'program' execute this program
-h, --help show this help message
-I DIR ad...