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How do I install an R package from source?
...file name:
On Windows it will look something like this: "C:\\RJSONIO_0.2-3.tar.gz".
On UNIX it will look like this: "/home/blah/RJSONIO_0.2-3.tar.gz".
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Convert two lists into a dictionary
...ke this:
>>> keys = ['a', 'b', 'c']
>>> values = [1, 2, 3]
>>> dictionary = dict(zip(keys, values))
>>> print(dictionary)
{'a': 1, 'b': 2, 'c': 3}
Voila :-) The pairwise dict constructor and zip function are awesomely useful: https://docs.python.org/3/library/...
How to convert a NumPy array to PIL image applying matplotlib colormap
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warning: implicit declaration of function
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236
You are using a function for which the compiler has not seen a declaration ("prototype") yet.
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Unique combination of all elements from two (or more) vectors
... expand.grid(a,b)
Var1 Var2
1 ABC 2012-05-01
2 DEF 2012-05-01
3 GHI 2012-05-01
4 ABC 2012-05-02
5 DEF 2012-05-02
6 GHI 2012-05-02
7 ABC 2012-05-03
8 DEF 2012-05-03
9 GHI 2012-05-03
10 ABC 2012-05-04
11 DEF 2012-05-04
12 GHI 2012-05-04
13 ABC 2012-05-05
14 DEF 2012-05-...
Use of .apply() with 'new' operator. Is this possible?
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36 Answers
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Java JUnit: The method X is ambiguous for type Y
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3 Answers
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Get specific ArrayList item
How can I get a specific item from this ArrayList ? mainList[3] ?
8 Answers
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C# Lambda expressions: Why should I use them?
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Lambda expressions are a simpler syntax for anonymous delegates and can be used everywhere an an...
Center content of UIScrollView when smaller
...our needs
– wuf810
Apr 15 '11 at 10:36
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Stackoverflow GOLD STAR for this. I was struggling with ...
