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Rename a class in Xcode: Refactor… is grayed out (disabled). Why?
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181
Select the class's symbol in its header file - i.e. the bit just after @interface. Then the ref...
Performance optimization strategies of last resort [closed]
...ough a series of optimizations until its wall-clock time was reduced from 48 seconds to 1.1 seconds, and the source code size was reduced by a factor of 4. My diagnostic tool was this. The sequence of changes was this:
The first problem found was use of list clusters (now called "iterators" and "c...
How can I do an asc and desc sort using underscore.js?
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answered Feb 28 '13 at 14:30
andlrcandlrc
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What does a just-in-time (JIT) compiler do?
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18 Answers
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capturing self strongly in this block is likely to lead to a retain cycle
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answered Jan 28 '13 at 6:39
TimTim
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Grouping functions (tapply, by, aggregate) and the *apply family
...ly(M, 1, min)
[1] 1 2 3 4
# apply max to columns
apply(M, 2, max)
[1] 4 8 12 16
# 3 dimensional array
M <- array( seq(32), dim = c(4,4,2))
# Apply sum across each M[*, , ] - i.e Sum across 2nd and 3rd dimension
apply(M, 1, sum)
# Result is one-dimensional
[1] 120 128 136 144
# Apply sum acr...
Callback after all asynchronous forEach callbacks are completed
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edited Oct 8 '18 at 23:43
Cheeso
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How can I add some small utility functions to my AngularJS application?
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EDIT 7/1/15:
I wrote this answer a pretty long time ago and haven't been keeping up a lot with...
How to force link from iframe to be opened in the parent window
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edited Mar 18 '17 at 15:13
answered Apr 17 '10 at 0:52
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Why do Java programmers like to name a variable “clazz”? [closed]
...- tackline
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