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PG undefinedtable error relation users does not exist
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At first, you shall detach all connections out of database. By default you use the development environment. Then try to reset database with the following:
rake db:reset
The rake db:reset task will drop the database and set it up again....
How do I make Git use the editor of my choice for commits?
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For Sublime Text:
Add this to the .gitconfig. The --wait is important (it allows to type text in sublime and will wait for save/close event.)
[core]
editor = 'subl' --wait
'subl' can be replaced by the full path of the executable but is usually available when correctly installed.
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Easy way to prevent Heroku idling?
...ynos seem to keep idling - my app has very low traffic but it's also not really acceptable in my case that my users have to wait 20+ seconds to spin up a new dyno.
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The Role Manager feature has not been enabled
...tried putting it in Application_Start and it says This method can only be called during the application's pre-start initialization phase.
– Maslow
May 8 '13 at 15:17
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How to manually include external aar package using new Gradle Android Build System
...been experimenting with the new android build system and I've run into a small issue. I've compiled my own aar package of ActionBarSherlock which I've called 'actionbarsherlock.aar'. What I'm trying to do is actually use this aar to build my final APK. If I include the whole ActionBarSherlock lib...
How to open existing project in Eclipse
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Indeed - all the world's iOS programmers thank you! :) Now if I can only find an "AVD" ...
– Fattie
Nov 23 '13 at 18:08
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File extension for PowerShell 3
All of us probably know .bat for Batch files.
1 Answer
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MISCONF Redis is configured to save RDB snapshots
...rvices.msc, Enter -> Search for Redis then click on restart.
I personally had this issue after upgrading redis with Brew (brew upgrade).
After rebooting the laptop, it immediately worked.
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Center a DIV horizontally and vertically [duplicate]
Is there a way to CENTER A DIV vertically and horizontally but, and that is important, that the content will not be cut when the window is smaller than the content The div must have a background color and a width and hight.
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How to debug Angular JavaScript Code
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shame it doesn't really work. I wish the guy would start maintaining the thing cuz it's a great idea and has a lot of potential
– Tules
Apr 12 '14 at 5:26
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