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How to change the name of the active scheme in Xcode?
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Count, size, length…too many choices in Ruby?
... an element or predicate and count only those items that match.
> [1,2,3].count{|x| x > 2 }
=> 1
In the case where you don't provide a parameter to count it has basically the same effect as calling length. There can be a performance difference though.
We can see from the source code f...
How to compare two files not in repo using git
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How do I force git to checkout the master branch and remove carriage returns after I've normalized f
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edited Jun 25 '13 at 17:29
answered Jun 20 '13 at 20:58
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SQL Server: Maximum character length of object names
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Get difference between two lists
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Out[5]: ['Four', 'Three']
Beware that
In [5]: set([1, 2]) - set([2, 3])
Out[5]: set([1])
where you might expect/want it to equal set([1, 3]). If you do want set([1, 3]) as your answer, you'll need to use set([1, 2]).symmetric_difference(set([2, 3])).
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Django admin: how to sort by one of the custom list_display fields that has no database field
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Google Maps V3: How to disable “street view”?
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The answer is actually in the 2nd paragraph you linked to, but your code should look something ...
Vagrant error : Failed to mount folders in Linux guest
I have some issues with Vagrant shared folders, my base system is Ubuntu 13.10 desktop.
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