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Quickly reading very large tables as dataframes

... into R. See mnel's answer. Using read_table in readr (on CRAN from April 2015). This works much like fread above. The readme in the link explains the difference between the two functions (readr currently claims to be "1.5-2x slower" than data.table::fread). read.csv.raw from iotools provides a ...
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How to use null in switch

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How to convert hashmap to JSON object in Java

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Is there a way to tell git to only include certain files instead of ignoring certain files?

... 237 I haven't had need to try this myself, but from my reading of TFM it looks like a negated patt...
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Why is an array not assignable to Iterable?

... | edited Jun 26 '17 at 17:17 Gray 106k2020 gold badges257257 silver badges325325 bronze badges ...
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LEFT OUTER JOIN in LINQ

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How to “properly” print a list?

... In Python 2: mylist = ['x', 3, 'b'] print '[%s]' % ', '.join(map(str, mylist)) In Python 3 (where print is a builtin function and not a syntax feature anymore): mylist = ['x', 3, 'b'] print('[%s]' % ', '.join(map(str, mylist))) B...
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How do I find the most recent git commit that modified a file?

... 237 git log supports looking at the history of specific files (and directories), so you can call i...
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How to check if a symlink exists

... Soviut 75.7k4040 gold badges160160 silver badges224224 bronze badges answered Apr 23 '11 at 21:31 drysdamdrysdam 7,31411 gold ...
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Sublime as default editor

... 214 Actually it is not my answer, I have just googled it: Open regedit (Win+R, type "regedit", s...