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How to gracefully handle the SIGKILL signal in Java
...e a SIGKILL. This is so it is always possible to terminate a program, even if the program is buggy or malicious. But SIGKILL is not the only means for terminating a program. The other is to use a SIGTERM. Programs can handle that signal. The program should handle the signal by doing a controlled, ...
WPF: How to programmatically remove focus from a TextBox
...logical focus in your program. Either use the LostKeyboardFocus event or shift focus to another element (which shifts logical focus along with it) before clearing keyboard focus.
– Chirimorin
Feb 20 '17 at 9:48
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How do I get the opposite (negation) of a Boolean in Python?
...> value = False
>>> not value
True
So instead of your code:
if bool == True:
return False
else:
return True
You could use:
return not bool
The logical negation as function
There are also two functions in the operator module operator.not_ and it's alias operator.__not__ i...
Git update submodules recursively
...submodule update --init --recursive
Note: in some older versions of Git, if you use the --init option, already-initialized submodules may not be updated. In that case, you should also run the command without --init option.
...
Postgres - FATAL: database files are incompatible with server
...
If you recently upgraded to 11 or 12 from 10.x you can run the below command to upgrade your postgres data directory retaining all data:
brew postgresql-upgrade-database
The above command is taken from the output of brew i...
Get the current user, within an ApiController action, without passing the userID as a parameter
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@ShaunLuttin Ok, so if you are using Web API 1 then you I believe there is a Prinicpal property on ApiController. This is just a fancy wrapper around accessing the Request.Properties collection. The principal object is stored in that dictionar...
Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
...Mac finds the required socket, even when it's looking in the wrong place!
If you have /tmp/mysql.sock but no /var/mysql/mysql.sock then...
cd /var
sudo mkdir mysql
sudo chmod 755 mysql
cd mysql
sudo ln -s /tmp/mysql.sock mysql.sock
If you have /var/mysql/mysql.sock but no /tmp/mysql.sock then.....
How do you return the column names of a table?
...
Not sure if there is an easier way in 2008 version.
USE [Database Name]
SELECT COLUMN_NAME,*
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = 'YourTableName' AND TABLE_SCHEMA='YourSchemaName'
...
Facebook share button and custom text [closed]
...ank">
<span>
<img width="14" height="14" src="'icons/fb.gif" alt="Facebook" /> Facebook
</span>
</a>
share
|
improve this answer
|
follow...
Using “label for” on radio buttons
...answer. Both of Martha examples are perfectly valid HTML5. And for example if You want the whole thing to be in a frame, it is easier to style second one using css. If You want labels to be somewhere else, first one. But both are OK. Best regards!
– Jacek Kowalewski
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