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Single quotes vs. double quotes in C or C++
..., that is sizeof 'a' is 4 in an architecture where ints are 32bit (and CHAR_BIT is 8), while sizeof(char) is 1 everywhere.
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How do I view an older version of an SVN file?
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239
You can update to an older revision:
svn update -r 666 file
Or you can just view the file di...
RecyclerView onClick
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what if i want to delete a row on its click ?
– Piyush Kukadiya
Nov 3 '14 at 6:19
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How do I get the current date in JavaScript?
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2838
Use new Date() to generate a new Date object containing the current date and time.
var tod...
How to validate an email address in PHP
...specs, but I have to warn you it is not an easy read by any stretch:
rfc5322
rfc5321
rfc3696
rfc6531 (allows unicode characters, although many clients / servers don't accept it)
Note that filter_var() is as already stated only available as of PHP 5.2. In case you want it to work with earlier ver...
How to find all positions of the maximum value in a list?
...ored in big O
– michaelsnowden
Oct 23 '15 at 8:06
1
Theoretically O(N) and O(2N) are the same but...
Change R default library path using .libPaths in Rprofile.site fails to work
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173
I generally try to keep all of my packages in one library, but if you want to add a library why ...
Equation for testing if a point is inside a circle
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edited Jun 23 '13 at 15:31
answered Jan 26 '09 at 20:09
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How to split a sequence into two pieces by predicate?
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By using partition method:
scala> List(1,2,3,4).partition(x => x % 2 == 0)
res0: (List[Int], List[Int]) = (List(2, 4),List(1, 3))
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Best way to check if a Data Table has a null value in it
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answered Jan 5 '11 at 13:21
hunterhunter
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