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Swapping two variable value without using third variable
...ation, when one is set to 0, both are set to 0.
When both *x and *y are 0, all other xor operations on *x and *y will equal 0 (as they are the same), which means that the function will set both *x and *y set to 0.
If they have the same values but not the same memory location, everything works as ex...
When NOT to call super() method when overriding?
... its native class. Then when I want to override the base method, I always call super() method, just like I always do in onCreate , onStop , etc.
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How do I show the changes which have been staged?
I staged a few changes to be committed; how can I see the diff of all files which are staged for the next commit? I'm aware of git status , but I'd like to see the actual diffs - not just the names of files which are staged.
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How to set the authorization header using curl
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edited Dec 31 '11 at 18:52
answered Dec 31 '11 at 18:42
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Throwing exceptions from constructors
...ody who creates the object of mutex has to remember that init() has to be called. I feel it goes against the RAII principle.
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How to get .app file of a xcode application
... friend to use that application. From where do I get this file? How to install this .app file in his Applications folder using an installer package?
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How to get just one file from another branch
I am using git and working on master branch. This branch has a file called app.js .
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How to monitor network calls made from iOS Simulator
I am trying to monitor calls from an app to my server just like Firebug does.
I could not find a way to see that in iOS Simulator or in xCode.
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How to get the command line args passed to a running process on unix/linux systems?
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the -ww option allows access to full command-line arguments (as much as is stored by the kernel). See Also: how solaris and bsd get the untruncated commandline parameters for a process and ps options
– GuruM
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What causes a TCP/IP reset (RST) flag to be sent?
...every possible perversion has been visited on TCP since its inception, and all sorts of people might be inserting RSTs in an attempt to block traffic. (Some 'national firewalls' work like this, for example.)
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