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GNU Makefile rule generating a few targets from a single source file
...sts a hack: when only one of a or b exist, then the dependencies should be ordered such that missing file appears as output of input.in. A few $(widcard...) s, $(filter...) s, $(filter-out...) s etc., should do the trick. Ugh.
– bobbogo
Jan 12 '11 at 20:38
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Why use non-member begin and end functions in C++11?
...little syntactic sugar to help us poor humans who prefer subject then verb ordering.
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ActiveRecord: size vs count
...m?
That you might be hitting the DB twice if you don't do it in the right order (e.g. if you render the number of elements in a table on top of the rendered table, there will be effectively 2 calls sent to the DB).
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Is JavaScript guaranteed to be single-threaded?
...e something in the input before the focus() call unfocuses it, and the log order is log in, change, blur, log out, except in Opera where it's log in, blur, log out, change and IE where it's (even less explicably) log in, change, log out, blur.
Similarly calling click() on an element that provides i...
How do you create a static class in C++?
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yes but in namespace you have to keep the function order, in contrast to class with static members, for example void a(){b();} b(){} would yield an error in a namespace but not in a class with static members
– Moataz Elmasry
Aug 23 '12 a...
PHP mkdir: Permission denied problem
...s.. Could you please explain to me more thoughly the steps I need to do in order to fix this error ??? To give you some additional info: the absolute path is /opt/lampp/htdocs/www/my-app/public/uploads .. Basically what I'm trying to do is every logged in user to upload files inside the uploads fold...
What are the big improvements between guava and apache equivalent libraries?
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builder pattern (ImmutableList.builder(), Joiner, CharMatcher, Splitter, Ordering, ...)
immutability (immutable collections, CharMatcher, Joiner, Splitter,...)
implementation hiding (Predicates.xXx, ...)
favoring composition over inheritance(the ForwardXXX collections)
null-checks
enum-singleton p...
How do I obtain the frequencies of each value in an FFT?
...t at N-k since for real data, FFT[N-k] = complex conjugate of FFT[k].
The order of scanning from LOW to HIGH frequency is
0,
1,
N-1,
2,
N-2
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[N/2] - 1,
N - ([N/2] - 1) = [N/2]+1,
[N/2]
There are [N/2]+1 groups of frequency from index i = 0 to [N/2], each having the frequency = i...
Build error: You must add a reference to System.Runtime
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I had to set 'Copy local' to true in order to make it work
– Phate01
Sep 14 '18 at 8:31
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Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp?
...de just the declaration, and the source file contains the definition.
In order to use something you only need to know it's declaration not it's definition. Only the linker needs to know the definition.
So this is why you will include a header file inside one or more source files but you won't in...