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When should one use a spinlock instead of mutex?

...being woken up, which will be the case once the mutex is being unlocked by whatever thread was holding the lock before. When a thread tries to lock a spinlock and it does not succeed, it will continuously re-try locking it, until it finally succeeds; thus it will not allow another thread to take its...
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Async/Await vs Threads

...acks is quite difficult, await greatly simplifies it. capable of doing what ever a Thread can do asynchronously ? Roughly. Await just takes care of dealing with the delay, it doesn't otherwise do anything that a thread does. The await expression, what's at the right of the await keyword, is ...
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make iframe height dynamic based on content inside- JQUERY/Javascript

...meID.height = "20px";. The default browser iframe height is 150px which is what "" resets it back to. – philfreo Oct 4 '16 at 15:49  |  show 1...
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Linux, Why can't I write even though I have group permissions?

... Produces the Warning: Warning: W10: Warning: Changing a readonly file" What? I've done everything right why doesn't it work? Answer: Do a full reboot of the computer. Stopping the terminal isn't enough to fix these problems. I think what happens is apache2 also uses the www-data group, so...
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In Unix, how do you remove everything in the current directory and below it?

... What I always do is type rm -rf * and then hit ESC-*, and bash will expand the * to an explicit list of files and directories in the current working directory. The benefits are: I can review the list of files to delete ...
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How to fix homebrew permissions?

... @fijiaaron So what would be a better solution? – juil Jun 16 '15 at 23:27 50 ...
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the item you requested is not available for purchase

...ropagate. It takes a couple of hours.) Make sure the Inapps are Active ! What did it for me, after 6 hours, was this last part: Make sure you're signedIn into google (in your browser) with the test account and you open this link (marked with the red) and you approve to become a tester !!!! http:...
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What is the function of the push / pop instructions used on registers in x86 assembly?

...red in a register) means writing it to the stack. popping means restoring whatever is on top of the stack into a register. Those are basic instructions: push 0xdeadbeef ; push a value to the stack pop eax ; eax is now 0xdeadbeef ; swap contents of registers push eax mov eax, ebx...
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Interface vs Abstract Class (general OO)

...ms they are waiting for me to mention something specific, and I don't know what it is. 35 Answers ...
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Remove directory from remote repository after adding them to .gitignore

... @MarkLongair What does -r and --cached. Thanks. – Labanino Aug 28 '14 at 21:43 15 ...