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MySQL: how to get the difference between two timestamps in seconds
...T TIMESTAMPDIFF(SECOND,'2009-05-18','2009-07-29') from `post_statistics`
https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_timestampdiff
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MongoDB aggregation framework match OR
...e of the same field, use the $in operator instead
of the $or operator.
https://docs.mongodb.com/manual/reference/operator/query/or/#or-versus-in
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How do I link a JavaScript file to a HTML file?
...eryScripts.js"></script>
Test in real time
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<!--LINK JQUERY-->
<script type="text/...
Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers
...-Origin' '*';
Then reloaded the nginx config and it worked great. Credit https://gist.github.com/algal/5480916.
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Jquery to change form action
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Please, see this answer: https://stackoverflow.com/a/3863869/2096619
Quoting Tamlyn:
jQuery (1.4.2) gets confused if you have any form elements named "action". You can get around this by using the DOM attribute methods or simply avoid having for...
What is NSZombie?
...
Would help someone.
Detailed document on Instruments.
https://developer.apple.com/library/watchos/documentation/DeveloperTools/Conceptual/InstrumentsUserGuide/index.html#//apple_ref/doc/uid/TP40004652-CH3-SW1
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How to add Google Analytics Tracking ID to GitHub Pages
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Browse to your github pages branch - which would be something like - ( https://github.com/YourUserName/YourRepository/tree/gh-pages )
Then edit index.html from listed files
Now in within HEAD tag of index.html - paste your Google Analytics Tracking ID Script ( if have already signed up for Goog...
Redis: possible to expire an element in an array or sorted set?
... the out of range elements, by reading only a range of scores.
More here: https://groups.google.com/forum/#!topic/redis-db/rXXMCLNkNSs
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How to set up a Subversion (SVN) server on GNU/Linux - Ubuntu [closed]
...estart
10: Validation:
Fired up a browser:
http://localhost/svn/$REPOS
https://localhost/svn/$REPOS
Both required a username and password. I think uncommenting:
<LimitExcept GET PROPFIND OPTIONS REPORT>
</LimitExcept>
in /etc/apache2/mods-available/dav_svn.conf, would allow ano...
Android studio: why are minSdkVersion and targetSdkVersion specified both in AndroidManifest.xml and
...ment and define your version settings in the Gradle build files instead.
https://developer.android.com/studio/publish/versioning.html#appversioning
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