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Android - Emulator in landscape mode, screen does not rotate
...eways. Is there something in the AVD configuration that needs to be set in order for the device to rotate properly?
19 Answ...
Facebook database design?
...d various triggers could fire to cascade events of friending, defriending, etc.
– Jesse C. Slicer
May 14 '12 at 22:05
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Difference between sh and bash
...e the three-argument for((i=0;i<=3;i++)) loop, += increment assignment, etc. The $'string\nwith\tC\aescapes' feature is tentatively accepted for POSIX (meaning it works in Bash now, but will not yet be supported by sh on systems which only adhere to the current POSIX specification, and likely wil...
When do I use a dot, arrow, or double colon to refer to members of a class in C++?
...ect a. So, primarily, a is an object and b is a member (function/ variable etc) of a.
Arrow operator is used in indirect member selection scenarios.
print(a->b)
Here, we are accessing b which is a member of the object, that is pointed to by a. It is shorthand of (*a).b and so here, a is pr...
Python style - line continuation with strings? [duplicate]
...e to consider performance. If you care about differences at runtime on the order of 100 ns, particularly when concatenating hard coded strings, something is wrong.
– nmichaels
Aug 27 '12 at 13:51
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performSelector may cause a leak because its selector is unknown
...re calling. The result could be anything: void, int, char, NSString *, id, etc. ARC normally gets this information from the header of the object type you're working with.3
There are really only 4 things that ARC would consider for the return value:4
Ignore non-object types (void, int, etc)
Retain...
How to check if an object is a certain type
...s makes them easy to distinguish at a glance from classes, types, methods, etc.
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Where do I find the line number in the Xcode editor?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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What is the difference between conversion specifiers %i and %d in formatted IO functions (*printf /
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How can I remove all my changes in my SVN working directory?
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Remove any other change and supports removing files/folders with spaces, etc.
svn status --no-ignore | grep -E '(^\?)|(^\I)' | sed -e 's/^. *//' | sed -e 's/\(.*\)/"\1"/' | xargs rm -rf
Don't forget to get the latest files from SVN
svn update --force
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