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What is the difference between ~> and >= when specifying rubygem in Gemfile?
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2 Answers
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Android Studio: how to attach Android SDK sources?
...able only for API levels 14 and above.
UPDATE ( Based on stable release 3.2.1):
Google changes the approach of shipping the sources, so lets see what changed.
Go to the following location
Preferences -> Apperance & Behaviour -> System Settings -> Android SDK
Quite lazy to navigate...
Outputting data from unit test in python
...hat, like me, comes here looking for a simple and quick answer.
In Python 2.7 you could use an additional parameter msg to add information to the error message like this:
self.assertEqual(f.bar(t2), 2, msg='{0}, {1}'.format(t1, t2))
Offical docs here
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Matplotlib 2 Subplots, 1 Colorbar
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329
Just place the colorbar in its own axis and use subplots_adjust to make room for it.
As a quic...
Simple way to find if two different lists contain exactly the same elements?
...f you care about order, then just use the equals method:
list1.equals(list2)
From the javadoc:
Compares the specified object with
this list for equality. Returns true
if and only if the specified object is
also a list, both lists have the same
size, and all corresponding pairs of
el...
Multiple levels of 'collection.defaultdict' in Python
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edited Sep 12 '19 at 19:45
StevenWernerCS
45855 silver badges1111 bronze badges
answered A...
R: += (plus equals) and ++ (plus plus) equivalent from c++/c#/java, etc.?
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edited Jan 26 '18 at 13:02
zx8754
38.6k1010 gold badges8787 silver badges146146 bronze badges
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How to sort a dataframe by multiple column(s)
...ple(order) code:
R> dd[with(dd, order(-z, b)), ]
b x y z
4 Low C 9 2
2 Med D 3 1
1 Hi A 8 1
3 Hi A 9 1
Edit some 2+ years later: It was just asked how to do this by column index. The answer is to simply pass the desired sorting column(s) to the order() function:
R> dd[order(-dd[,4],...
Python's equivalent of && (logical-and) in an if-statement
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1529
You would want and instead of &&.
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