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What's the difference between ASCII and Unicode?
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ASCII defines 128 characters, which map to the numbers 0–127. Unicode defines (less than) 221 characters, which, similarly, map to numbers 0–221 (though not all numbers are currently assigned, and some are reserved).
Unicode is a super...
What is the difference between ~> and >= when specifying rubygem in Gemfile?
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2 Answers
2
Active
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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],...