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Select multiple columns in data.table by their numeric indices

... Henrik 52.1k1111 gold badges117117 silver badges134134 bronze badges answered Nov 14 '12 at 17:28 Josh O'BrienJosh O'Brien ...
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Difference between two DateTimes C#?

...between in the total amount of hours that occurred between the two dates (876,000 hours in this case). The other difference is that TotalHours will return fractional hours. This may or may not be what you want. If not, Math.Round can adjust it to your liking. ...
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What is the difference between Nexus and Maven?

... answered Apr 15 '14 at 12:07 blalasaadriblalasaadri 5,50344 gold badges3232 silver badges5656 bronze badges ...
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What are the obj and bin folders (created by Visual Studio) used for?

... answered Mar 15 '11 at 7:09 Cody Gray♦Cody Gray 215k4040 gold badges447447 silver badges523523 bronze badges ...
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Final arguments in interface methods - what's the point?

...ppTed Hopp 218k4545 gold badges354354 silver badges470470 bronze badges ...
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How do I convert a Ruby class name to a underscore-delimited symbol?

... | edited Apr 11 '11 at 17:33 answered Apr 11 '11 at 14:15 ...
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Filtering a list based on a list of booleans

...gt; %timeit [i for (i, v) in zip(list_a, fil) if v] 100 loops, best of 3: 7.65 ms per loop Don't use filter as a variable name, it is a built-in function. share | improve this answer | ...
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How to get a substring of text?

I have text with length ~700. How do I get only ~30 of its first characters? 5 Answers ...
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Count, size, length…too many choices in Ruby?

... Yarin 133k134134 gold badges354354 silver badges476476 bronze badges answered Dec 29 '10 at 1:08 Mark ByersMark Byers 683k15515...
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What is the EAFP principle in Python?

...n Marnach 446k100100 gold badges833833 silver badges753753 bronze badges 36 ...