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What does “Memory allocated at compile time” really mean?
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How to use java.net.URLConnection to fire and handle HTTP requests?
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How to detect the currently pressed key?
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How to differentiate single click event and double click event?
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Linking R and Julia?
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edited May 30 '18 at 8:23
vasili111
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Where do I find the line number in the Xcode editor?
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edited Sep 12 '17 at 15:04
answered May 5 '11 at 17:26
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Should I use string.isEmpty() or “”.equals(string)?
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The main benefit of "".equals(s) is you don't need the null check (equals will check its argumen...
Can we omit parentheses when creating an object using the “new” operator?
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Quoting David Flanagan1:
As a special case, for the new operator only, JavaScript simplifies the grammar by allowing the parenthesis to be omitted if there are no arguments in the function call. Here are some examples using the new operator:
o = ...
Why is the order in dictionaries and sets arbitrary?
...and lets assume the table size is 8 slots. In Python 2.7, hash('foo') is -4177197833195190597, hash('bar') is 327024216814240868. Modulo 8, that means these two keys are slotted in slots 3 and 4 then:
>>> hash('foo')
-4177197833195190597
>>> hash('foo') % 8
3
>>> hash('ba...