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Does MySQL foreign_key_checks affect the entire database?
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It is session-based, when set the way you did in your question.
https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html
According to this, FOREIGN_KEY_CHECKS is "Both" for scope. This means it can be set for session:
SET FOREIGN_KEY_CHECKS=0;
or glob...
right click context menu for datagridview
I have a datagridview in a .NET winform app. I would like to rightclick on a row and have a menu pop up. Then i would like to select things such as copy, validate, etc
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OpenShift rhc setup using multiple accounts
...mand to specify the login name OR
rhc app create <appname> <cartridge> [-l <login1/login2>]
2) Run "rhc setup -l LOGIN" between the sessions. Once done managing apps from one account you can end the session for it by running "rhc account logout".
rhc setup -l <login1> # ...
Position Absolute + Scrolling
...the text in a div element and include the absolutely positioned element inside of it.
<div class="container">
<div class="inner">
<div class="full-height"></div>
[Your text here]
</div>
</div>
Css:
.inner: { position: relative; height: ...
Background ListView becomes black when scrolling
...to create a scrollable list with every row containing a Image on the left side and some text on the right side:
11 Answers
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how to compare two elements in jquery [duplicate]
...ill never be equal in the sense of reference equality.
Assuming:
<div id="a" class="a"></div>
this:
$('div.a')[0] == $('div#a')[0]
returns true.
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bind event only once
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In case you do not want to accidentally unbind other click events, you might want to use function someMethod() { $(obj).off('click.namespace').on('click.namespace', function {}); }
– Manu
Sep 21 '15 at 10:12
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Case insensitive comparison NSString
...nil, your if will give true as sending caseInsensitiveCompare to nil is valid and results in another nil which, in our case, compared with NSOrderedSame will return true (NSOrderedSame is defined as 0). This can be a source of quite devastating bugs, as it was in my case. Cheers!
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Get exit code of a background process
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1: In bash, $! holds the PID of the last background process that was executed. That will tell you what process to monitor, anyway.
4: wait <n> waits until the process with PID <n> is complete (it will block until the process completes, so ...
Embed YouTube video - Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
...sure the URL contains embed rather watch as the /embed endpoint allows outside requests, whereas the /watch endpoint does not.
<iframe width="420" height="315" src="https://www.youtube.com/embed/A6XUVjK9W4o" frameborder="0" allowfullscreen></iframe>
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