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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table

... 143 Yes, it's subassignment in R using <- (or = or ->) that makes a copy of the whole object....
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What is the easiest way to push an element to the beginning of the array?

... answered May 22 '11 at 1:48 mu is too shortmu is too short 385k6262 gold badges757757 silver badges727727 bronze badges ...
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How to limit depth for recursive file list?

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NameError: global name 'xrange' is not defined in Python 3

... answered Jun 19 '13 at 13:14 Martijn Pieters♦Martijn Pieters 839k212212 gold badges32183218 silver badges28092809 bronze badges ...
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What's the difference between lists enclosed by square brackets and parentheses in Python?

... = {} >>> z[x] = 3 >>> z {(1, 2): 3} >>> z[y] = 4 Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: unhashable type: 'list' Note that, as many people have pointed out, you can add tuples together. For example: >>>...
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How exactly does tail recursion work?

...lexey Frunze 56.8k99 gold badges6767 silver badges154154 bronze badges 2 ...
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Pass a data.frame column name to a function

...| edited Apr 11 '16 at 21:42 joran 152k2525 gold badges379379 silver badges431431 bronze badges answered...
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Numpy index slice without losing dimension information

...Joe Kington 223k5858 gold badges528528 silver badges435435 bronze badges 6 ...
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Can I keep Nuget on the jQuery 1.9.x/1.x path (instead of upgrading to 2.x)?

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PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)

... animuson♦animuson 49.1k2323 gold badges127127 silver badges139139 bronze badges ...