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Force R not to use exponential notation (e.g. e+10)?
...ntific
notation: fixed notation will be preferred unless it is more
than ‘scipen’ digits wider.
Example:
R> ran2 <- c(1.810032e+09, 4)
R> options("scipen"=-100, "digits"=4)
R> ran2
[1] 1.81e+09 4.00e+00
R> options("scipen"=100, "digits"=4)
R> ran2
[1...
Is DateTime.Now the best way to measure a function's performance?
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Why is sizeof considered an operator?
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I believe things are more complex nowadays due to variable-length arrays (VLA). IIRC, the standard would even allow sizeof to have side effects if there is a VLA in the expression.
– Aaron McDaid
Jan 27 '15 ...
How to reload/refresh an element(image) in jQuery
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58
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Check variable equality against a list of values
...acters. For special characters is becomes ugly due to escaping and is also more error-prone due to that.
/foo|bar|something/.test(str);
To be more precise, this will check the exact string, but then again is more complicated for a simple equality test:
/^(foo|bar|something)$/.test(str);
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Assertion failure in dequeueReusableCellWithIdentifier:forIndexPath:
...e isn't comment in the template and that the assertion/crash message isn't more helpful.
– Jason Moore
Dec 4 '12 at 19:48
2
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How to grep and replace
...les twice... once with grep and then again with sed. Using find method is more efficient but this method you mention does work.
– cmevoli
Mar 14 '13 at 10:27
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Signed to unsigned conversion in C - is it always safe?
...s unsigned, the value is converted by repeatedly adding or subtracting one more than the maximum value that can be represented in the new type until the value is in the range of the new type.
Otherwise, the new type is signed and the value cannot be represented in it; either the result is implemen...
Python TypeError: not enough arguments for format string
...fficult to explain to a newcomer. The notation a = a.format(1,2,3) is much more explicit and easier to understand/teach. I don't have a link but this is the main reason why format() was introduced (ease of understanding).
– Simeon Visser
Jun 3 '15 at 19:09
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Best way to stress test a website [duplicate]
...serMob, which provides Selenium-based load testing. See browsermob.com for more info.
– Patrick Lightbody
Jun 19 '11 at 23:17
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