大约有 1,390 项符合查询结果（耗时：0.0179秒） [XML]
Difference between a Postback and a Callback
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Andreas GrechAndreas Grech
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Get Character value from KeyCode in JavaScript… then trim
...eems that the KeyPress event does this. See stackoverflow.com/a/9350415/209568. From the jQuery docs "Note that keydown and keyup provide a code indicating which key is pressed, while keypress indicates which character was entered. For example, a lowercase "a" will be reported as 65 by keydown and...
Is R's apply family more than syntactic sugar?
... system.time(forloop(X,Y,Z))
user system elapsed
0.94 0.02 0.95
> system.time(tapply(X,list(Y,Z),mean))
user system elapsed
0.06 0.00 0.06
There you go. What did I win? ;-)
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Fastest sort of fixed length 6 int array
...der with registers 127.45 104.65 53.79 98.05 97.95
Sorting Networks (Daniel Stutzbach) 269.77 130.56 128.15 126.70 127.30
Sorting Networks (Paul R) 551.64 103.20 64.57 73.68 73.51
Sorting Networks 12 with Fast Swap 321.74 ...
What's the best way to get the last element of an array without deleting it?
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195
The many answers in this thread present us with many different options. To be able to choose fr...
Filter rows which contain a certain string
...ive user.self sys.self
# 2 grepl 10 16.480 1.513 16.195 0.248
# 1 str_detect 10 10.891 1.000 9.594 1.281
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How do I write a Firefox Addon? [closed]
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We tried to make http://developer.mozilla.org/en/Extensions answer all those questions. The fir...
How do I overload the [] operator in C# [duplicate]
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BFreeBFree
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Pairwise crossproduct in Python [duplicate]
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ChristopheDChristopheD
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Negative matching using grep (match lines that do not contain foo)
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MottiMotti
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