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Ruby on Rails: How can I revert a migration with rake db:migrate?
After installing devise MODEL User i got this.
9 Answers
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How to position a table at the center of div horizontally & vertically
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answered Aug 14 '11 at 20:15
ldiqualldiqual
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How to get a substring of text?
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246
If you have your text in your_text variable, you can use:
your_text[0..29]
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In mocha testing while calling asynchronous function how to avoid the timeout Error: timeout of 2000
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Aruna Herath
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answered May 17 '13 at 11:02
Andreas HultgrenA...
emacs zoom in/zoom out
...can do Ctrl+Scroll to zoom in/out. It is useful.
(global-set-key [C-mouse-4] 'text-scale-increase)
(global-set-key [C-mouse-5] 'text-scale-decrease)
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Python: Ignore 'Incorrect padding' error when base64 decoding
I have some data that is base64 encoded that I want to convert back to binary even if there is a padding error in it. If I use
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How to flatten nested objects with linq expression
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Access denied for user 'root@localhost' (using password:NO)
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answered Jun 8 '10 at 5:54
BozhoBozho
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Pretty git branch graphs
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answered Jan 31 '12 at 4:22
Slipp D. ThompsonSlipp D. Thompson
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In C++, if throw is an expression, what is its type?
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