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MySQL show current connection info
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There are MYSQL functions you can use. Like this one that resolves the user:
SELECT USER();
This will return something like root@localhost so you get the host and the user.
To get the current database run this statement:
SELECT DATABASE();
Other u...
Reload django object from database
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@Yunti You can defer fields, or explicitly ask for only a subset of fields and the resulting object will be only partially populated. refresh_from_db will only update such already populated fields.
– 301_Moved_Perm...
What is the 'cls' variable used for in Python classes?
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It's used in case of a class method. Check this reference for further details.
EDIT: As clarified by Adrien, it's a convention. You can actually use anything but cls and self are used (PEP8).
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Where does Jenkins store configuration files for the jobs it runs?
... Note there is also a Job Configuration History plugin which can let you view your current and previous job configurations, and do so right from the web browser if you prefer/require that over shell access to Jenkins servers.
– Neil
Apr 27 '15 at ...
Why is MySQL's default collation latin1_swedish_ci?
...d Swedish share almost the same special characters ,so they share the same case insensitive collation
– kommradHomer
Feb 26 '14 at 10:47
5
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What is the “-d” in “npm -d install”?
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In case anyone else ends up here from a web search, the -d flag is not the same as the upper-case -D, the latter being a flag synonym for --save-dev.
sh...
PHP Difference between array() and []
...ound this- php.net/manual/en/language.types.array.php - "As of PHP 5.4 you can also use the short array syntax, which replaces array() with []."
– mrwaim
Feb 12 '15 at 12:30
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Win11 恢复传统右键菜单的方法 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...gistry Editor Version 5 00[HKEY_CURRENT_USER Software Classes CLSID {86ca1aa0 通过修改注册表实现，方法如下：
1、新建一个文件，命名为xxx.reg，拷贝如下内容：
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Classes\CLSID\{86ca1aa0-34aa-4...
Remove a character from the end of a variable
Bash auto completion appends a / at the end of a directory name. How I can strip this off from a positional parameter?
4 An...
How to break out or exit a method in Java?
The keyword break in Java can be used for breaking out of a loop or switch statement. Is there anything which can be used to break from a method?
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