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How to write log base(2) in c/c++
...uld work assuming integer is 32 bit wide, no ? For 64 bit it would have an extra i>>32 . But since Java has only 32-bit ints, it is fine. For C/C++ it needs to be considered.
– Zoso
May 27 '17 at 8:12
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Split column at delimiter in data frame [duplicate]
...E)) is 1 -- as the docs say: "...but if there is a match at the end of the string, the output is the same as with the match removed." As @YuShen says, this solution will "recycle". For me, I just wanted empty spaces, not recycling.
– The Red Pea
Oct 26 '15 at 2...
Convert absolute path into relative path given a current directory using Bash
...m @pini (which sadly handle only a few cases)
Reminder : '-z' test if the string is zero-length (=empty) and '-n' test if the string is not empty.
# both $1 and $2 are absolute paths beginning with /
# returns relative path to $2/$target from $1/$source
source=$1
target=$2
common_part=$source # f...
PHP array_filter with arguments
... Didn't know you could use the use word to provide the lambda with extra parameters. Thanks for such a valuable hint! :)
– Julio María Meca Hansen
Sep 24 '13 at 10:31
15
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Git merge without auto commit
...t the ideal situation: fast-forwards are a Good Thing, and not having this extra "merge commit" Makes Sense. This is good default behavior and shouldn't be disabled. (In proper parlance, a fast-forward is a type of merge, but it isn't a "true merge".)
– michael
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Inverse dictionary lookup in Python
...on 2.6, so if you want to remain portable you'll need to put up with the 6 extra characters for dict() around a generator of 2-tuples or a list comprehension of 2-tuples
– hobs
May 16 '13 at 22:23
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Getting rid of all the rounded corners in Twitter Bootstrap
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but the extra bytes of data
– Anthony Shaw
Mar 27 '14 at 14:06
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UIView Infinite 360 degree rotation animation?
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It is a constant String key, that helps you identify and search the animation. It can be any String you want. In the removal process, you can see that the animation is searched and than deleted by this key.
– Kádi
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What does the Reflect object do in JavaScript?
...r property update. For instance:
var name = ... // get property name as a string
obj[name] // generic property lookup
obj[name] = value // generic property update
The Reflect.get and Reflect.set methods allow you to do the same thing, but additionally accept as a last optional argument a receiver...
How to remove elements from a generic list while iterating over it?
...ist allows you to do a Remove(item) on your generic List:
List<String> strings = new List<string>() { "a", "b", "c", "d" };
foreach (string s in strings.ToArray())
{
if (s == "b")
strings.Remove(s);
}
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