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What's the difference between HEAD^ and HEAD~ in Git?
...t rev-parse documentation defines ~ as
<rev>~<n>, e.g. master~3
A suffix ~<n> to a revision parameter means the commit object that is the nth generation ancestor of the named commit object, following only the first parents. For example, <rev>~3 is equivalent to <rev>^^...
In an array of objects, fastest way to find the index of an object whose attributes match a search
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394
Maybe you would like to use higher-order functions such as "map".
Assuming you want search by ...
Turn off CSRF token in rails 3
...that I see here in stackoverflow but it seems they no longer work on rails 3.
3 Answers
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bash: pip: command not found
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531
Why not just do sudo easy_install pip or if this is for python 2.6 sudo easy_install-2.6 pip?
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Counting the number of True Booleans in a Python List
... is equal to 1.
>>> sum([True, True, False, False, False, True])
3
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How to find the sum of an array of numbers
Given an array [1, 2, 3, 4] , how can I find the sum of its elements? (In this case, the sum would be 10 .)
43 Answers
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Why declare unicode by string in python?
...file you've saved is utf-8. The default for Python 2 is ASCII (for Python 3 it's utf-8). This just affects how the interpreter reads the characters in the file.
In general, it's probably not the best idea to embed high unicode characters into your file no matter what the encoding is; you can use ...
Mysql order by specific ID values
...er by" using predefined set of column values (ID) like: order by (ID=1,5,4,3) so I would get record 1, 5, 4, 3 in that order out?
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石头剪刀布 · App Inventor 2 中文网
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