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throwing exceptions out of a destructor
Most people say never throw an exception out of a destructor - doing so results in undefined behavior. Stroustrup makes the point that "the vector destructor explicitly invokes the destructor for every element. This implies that if an element destructor throws, the vector destruction fails... The...
How do I assign an alias to a function name in C++?
...s easy to create a new name for a type, a variable or a namespace. But how do I assign a new name to a function? For example, I want to use the name holler for printf . #define is obvious... any other way?
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When should I use Struct vs. OpenStruct?
... the other. They imply a more concrete relationship amongst the data than does a Hash, but they don't have the instance methods as would a class. A bunch of options for a function, for example, make sense in a hash; they're only loosely related. A name, email, and phone number needed by a functio...
Error “gnu/stubs-32.h: No such file or directory” while compiling Nachos source code
...ssing the 32 bit libc dev package:
On Ubuntu it's called libc6-dev-i386 - do sudo apt-get install libc6-dev-i386. See below for extra instructions for Ubuntu 12.04.
On Red Hat distros, the package name is glibc-devel.i686 (Thanks to David Gardner's comment).
On CentOS 5.8, the package name is gl...
How to loop through a directory recursively to delete files with certain extensions
...h a directory recursively and remove all files with extension .pdf and .doc . I'm managing to loop through a directory recursively but not managing to filter the files with the above mentioned file extensions.
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How do I “un-revert” a reverted Git commit?
... commit , and then reverted using revert , what is the best way to then undo that revert?
9 Answers
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ViewDidAppear is not called when opening app from background
...ks fine but when I close my app and than again I open my app but the value doesn't change because viewDidLoad , viewDidAppear and viewWillAppear nothing get called. How can I call when I open my app. Do I have to do anything from applicationDidBecomeActive ?
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How do I revert all local changes in Git managed project to previous state?
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If you want to revert changes made to your working copy, do this:
git checkout .
If you want to revert changes made to the index (i.e., that you have added), do this. Warning this will reset all of your unpushed commits to master!:
git reset
If you want to revert a change tha...
How do I run a simple bit of code in a new thread?
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@EdPower, does this apply only to Winforms.. or will it work in Web Forms..?
– MethodMan
Jan 28 '16 at 3:31
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Algorithm to detect intersection of two rectangles?
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The standard method would be to do the separating axis test (do a google search on that).
In short:
Two objects don't intersect if you can find a line that separates the two objects. e.g. the objects / all points of an object are on different sides of th...