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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". share | improve this answer | ...
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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/...
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How to convert a NumPy array to PIL image applying matplotlib colormap

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warning: implicit declaration of function

... 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-...
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Use of .apply() with 'new' operator. Is this possible?

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Java JUnit: The method X is ambiguous for type Y

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Get specific ArrayList item

How can I get a specific item from this ArrayList ? mainList[3] ? 8 Answers 8 ...
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C# Lambda expressions: Why should I use them?

... 283 Lambda expressions are a simpler syntax for anonymous delegates and can be used everywhere an an...
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Center content of UIScrollView when smaller

...our needs – wuf810 Apr 15 '11 at 10:36 2 Stackoverflow GOLD STAR for this. I was struggling with ...