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How to get jQuery dropdown value onchange event
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power_scriptorpower_scriptor
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PostgreSQL - Rename database
...isconnect from the database to be renamed
\c postgres
-- force disconnect all other clients from the database to be renamed
SELECT pg_terminate_backend( pid )
FROM pg_stat_activity
WHERE pid <> pg_backend_pid( )
AND datname = 'name of database';
-- rename the database (it should now have...
How do I make a checkbox required on an ASP.NET form?
...eyScott Ivey
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How to pass a parcelable object that contains a list of objects?
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answered Jun 10 '11 at 0:24
Alex GitelmanAlex Gitelman
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jQuery: keyPress Backspace won't fire?
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Use keyup instead of keypress. This gets all the key codes when the user presses something
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How do I test a file upload in rails?
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Searched for this question and could not find it, or its answer on Stack Overflow, but found i...
Environment variables for java installation
...r-unique-entries does not contain any other references to another Java installation folder.
Note for Windows users on 64-bit systems:
Progra~1 = 'Program Files'
Progra~2 = 'Program Files(x86)'
Notice that these environment variables are derived from the "root" environment variable JAVA_HOME...
How to style SVG with external CSS?
... want them to have different fill colors, this won't work, but if you want all your paths to be the same, this should work.
In your html file, you want something like this:
<style>
.fill-red { fill: red; }
.fill-blue { fill: blue; }
</style>
<a href="//www.example.com/">
&...
What's the difference between Perl's backticks, system, and exec?
...It never returns true, because if the command is found it never returns at all.
There is also no point in returning STDOUT, STDERR or exit status of the command.
You can find documentation about it in perlfunc,
because it is a function.
system
executes a command and your Perl script is con...
MySQL maximum memory usage
...is no general rule of thumb for what is recommend for your MySQL setup. It all depends on the current usage or the projections.
Settings & database
MySQL offers countless variables and switches to optimize its behavior. If you run into issues, you really need to sit down and read the (f'ing) m...