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All combinations of a list of lists

...d itertools.product: >>> import itertools >>> a = [[1,2,3],[4,5,6],[7,8,9,10]] >>> list(itertools.product(*a)) [(1, 4, 7), (1, 4, 8), (1, 4, 9), (1, 4, 10), (1, 5, 7), (1, 5, 8), (1, 5, 9), (1, 5, 10), (1, 6, 7), (1, 6, 8), (1, 6, 9), (1, 6, 10), (2, 4, 7), (2, 4, 8), (2,...
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Python: using a recursive algorithm as a generator

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How do I concatenate two lists in Python?

... You can use the + operator to combine them: listone = [1,2,3] listtwo = [4,5,6] joinedlist = listone + listtwo Output: >>> joinedlist [1,2,3,4,5,6] share | improve this...
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@UniqueConstraint annotation in Java

... edited Apr 14 '15 at 22:53 pimlottc 2,71622 gold badges2424 silver badges2222 bronze badges answered Ju...
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AWK: Access captured group from line pattern

... 183 That was a stroll down memory lane... I replaced awk by perl a long time ago. Apparently the A...
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Can't use Swift classes inside Objective-C

... | edited Aug 6 '19 at 14:32 answered Dec 2 '14 at 14:36 si...
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UnicodeEncodeError: 'latin-1' codec can't encode character

...ror >>> u'He said \u201CHello\u201D'.encode('cp1252') 'He said \x93Hello\x94' If you are using your database only as a byte store, you can use cp1252 to encode “ and other characters present in the Windows Western code page. But still other Unicode characters which are not present in cp...
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How to deal with cyclic dependencies in Node.js

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How can I get a java.io.InputStream from a java.lang.String?

... | edited Jul 29 '13 at 14:15 Yaakov Belch 4,0232626 silver badges3636 bronze badges answered Jan...
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How can I get rid of an “unused variable” warning in Xcode?

... | edited Sep 16 '12 at 23:07 Evan Mulawski 50.3k1111 gold badges109109 silver badges140140 bronze badges ...