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Disable Rails SQL logging in console
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321
To turn it off:
old_logger = ActiveRecord::Base.logger
ActiveRecord::Base.logger = nil
To tur...
How are parameters sent in an HTTP POST request?
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1285
The values are sent in the request body, in the format that the content type specifies.
Usua...
Postgresql aggregate array
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163
Use array_agg: http://www.sqlfiddle.com/#!1/5099e/1
SELECT s.name, array_agg(g.Mark) as mark...
How can I unstage my files again after making a local commit?
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git reset --soft HEAD~1 should do what you want. After this, you'll have the first changes in the index (visible with git diff --cached), and your newest changes not staged. git status will then look like this:
# On branch master
# Changes to be ...
How to add 10 days to current time in Rails
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Use
Time.now + 10.days
or even
10.days.from_now
Both definitely work. Are you sure you're in Rails and not just Ruby?
If you definitely are in Rails, where are you trying to run this from? Note that Active Support has to be loaded.
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How can you do anything useful without mutable state?
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18 Answers
18
Active
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Insert the carriage return character in vim
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1 Answer
1
Active
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bash: shortest way to get n-th column of output
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133
You can use cut to access the second field:
cut -f2
Edit:
Sorry, didn't realise that SVN do...
Boolean.hashCode()
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141
1231 and 1237 are just two (sufficiently large) arbitrary prime numbers. Any other two large p...
How do I toggle an element's class in pure JavaScript?
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214
2014 answer: classList.toggle() is the standard and supported by most browsers.
Older browser...