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Using psql how do I list extensions installed in a database?
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In psql that would be
\dx
See the manual for details: http://www.postgresql.org/docs/current/static/app-psql.html
Doing it in plain SQL it would be a select on pg_extension:
SELECT *
FROM pg_extension
http://www.postgresql.org/docs/current/static/catalog-pg-extension.html
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Center a popup window on screen?
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SINGLE/DUAL MONITOR FUNCTION (credit to http://www.xtf.dk - thank you!)
UPDATE: It will also work on windows that aren't maxed out to the screen's width and height now thanks to @Frost!
If you're on dual monitor, the window will center horizontally, but not vertically.....
Error installing mysql2: Failed to build gem native extension
...helps!
Using MySQL with Rails 3 on Windows
Install railsinstaller -> www.railsinstaller.org (I installed it to c:\Rails)
Install MySQL (I used MySQL 5.5) -> dev.mysql.com/downloads/installer/
--- for mySQL installation ---
If you dont already have these two files installed you might...
Convert a timedelta to days, hours and minutes
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campbellcampbell
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Printing the value of a variable in SQL Developer
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Stefnotch
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answered May 15 '13 at 14:57
devosJavadevosJava
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upstream sent too big header while reading response header from upstream
...t in stderr: "PHP message: PHP Notice: Undefined index: Firstname in /srv/www/classes/data_convert.php on line 1090
PHP message: PHP Notice: Undefined index: Lastname in /srv/www/classes/data_convert.php on line 1090
... // 20 lines of same
PHP message: PHP Notice: Undefined index: Firstname in /...
Best PHP IDE for Mac? (Preferably free!) [closed]
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kkathmankkathman
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How to keep onItemSelected from firing off on a newly instantiated Spinner?
... answered Apr 1 '10 at 17:53
CommonsWareCommonsWare
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Check element CSS display with JavaScript
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daniels
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answered Feb 1 '11 at 18:07
sdleihssirhcsdleihssi...
Why is i++ not atomic?
...ent is performed using i = i + 1. However, this would break the "cultural compatibility" between Java, and C and C++. As well, it would take away a convenient notation which programmers familiar with C-like languages take for granted, giving it a special meaning that applies only in limited circums...