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Overloading Macro on Number of Arguments
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netcodernetcoder
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Random record from MongoDB
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Do a count of all records, generate a random number between 0 and the count, and then do:
db....
Why is “origin/HEAD” shown when running “git branch -r”?
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edited Nov 8 '17 at 11:44
László Megyer
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answered Jul 27 '11 at 2:14
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Find the nth occurrence of substring in a string
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bobincebobince
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Including one C source file in another?
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How do I properly compare strings in C?
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Jonathan Leffler
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answered Nov 4 '11 at 2:24
MysticialMyst...
How to make the overflow CSS property work with hidden as value
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– Ason
Aug 18 '18 at 9:11
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when you add position absolute, the element become a blo...
Ordering by specific field value first
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edited Jan 11 '19 at 20:44
Joey Bass
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answered Aug 21 '14 at 18:07
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What does ||= (or-equals) mean in Ruby?
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If you really want to know what is going on, take a look at Section 11.4.2.3 "Abbreviated assignments" of the Ruby Language Draft Specification.
As a first approximation,
a ||= b
is equivalent to
a || a = b
and not equivalent to
a = a || b
However, that is only a first approximation, espec...
Get the Highlighted/Selected text
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answered Mar 21 '11 at 14:57
Tim DownTim Down
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