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Is it more efficient to copy a vector by reserving and copying, or by creating and swapping? [duplic
...contrast, std::swap(a, b) would exchange their contents (so b's size would now be whatever a's had been before). You are perhaps thinking of a move operation (as occurs in C++11, but not in an ordinary assignment like this). Such a move would leave b in an, ahem, "interesting" state - see stackoverf...
How do I parse JSON with Ruby on Rails? [duplicate]
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Taken from the documentation, the parsing is now: parsed_json = JSON.parse(your_json_string)
– user1026130
Apr 26 '13 at 17:04
add a comment
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Does JavaScript have a built in stringbuilder class?
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I didn't know push could accept multiple arguments. The random things you learn.
– Carcigenicate
Mar 16 '16 at 22:33
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Should I prefer pointers or references in member data?
...t this initialisation into another function (until C++0x, anyway edit: C++ now has delegating constructors)
the reference cannot be rebound or be null. This can be an advantage, but if the code ever needs changing to allow rebinding or for the member to be null, all uses of the member need to change...
Abort makefile if variable not set
...))$(if $(value @), \
required by target `$@')))
So that, now a failed check produces a nicely formatted output:
Makefile:7: *** Undefined BAR (baz value) required by target `foo'. Stop.
check-defined-MY_FLAG special target
Personally I would use the simple and straightforward ...
Set up adb on Mac OS X
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Has now moved to cask: brew cask install android-platform-tools
– hoju
Apr 7 '17 at 14:53
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Warning: The Copy Bundle Resources build phase contains this target's Info.plist file
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I see now that NOT unchecking "add to targets" when copying the plist file in to my project was the reason I got this problem. To fix the problem, I followed the steps in the "correct answer" above though deleting and re-adding wit...
Remove directory which is not empty
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you can now use a recursive option: stackoverflow.com/a/57866165/6269864
– user6269864
Sep 10 '19 at 12:30
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C++, Free-Store vs Heap
...e-store , while malloc/free operations use the heap .
I'd like to know if there is an actual difference, in practice.
Do compilers make a distinction between the two terms? ( Free store and Heap , not new/malloc )
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CruiseControl [.Net] vs TeamCity for continuous integration?
...ge of the improved code coverage capabilities and GIT support. We are also now using the personal build and pre-tested commit features that have been in for a while. I just thought I should update the answer to indicate that TeamCity keeps improving and is still easy to use.
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