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How does the new auto<em>mem>atic reference counting <em>mem>echanis<em>mem> work?

Can so<em>mem>eone briefly explain to <em>mem>e how ARC works? I know it's different fro<em>mem> Garbage Collection, but I was just wondering exactly how it worked. ...
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Is inline asse<em>mem>bly language slower than native C++ code?

I tried to co<em>mem>pare the perfor<em>mem>ance of inline asse<em>mem>bly language and C++ code, so I wrote a function that add two arrays of size 2000 for 100000 ti<em>mem>es. Here's the code: ...
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Detach <em>mem>any subdirectories into a new, separate Git repository

... to deal with a subshell and using ext glob (as kynan suggested), try this <em>mem>uch si<em>mem>pler approach: git filter-branch --index-filter 'git r<em>mem> --cached -qr --ignore-un<em>mem>atch -- . &a<em>mem>p;a<em>mem>p;&a<em>mem>p;a<em>mem>p; git reset -q $GIT_CO<em>Mem><em>Mem>IT -- apps/AAA libs/XXX' --prune-e<em>mem>pty -- --all As <em>mem>entioned by void.pointer in his/her co...
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Enter triggers button click

I have a page with two buttons. One is a &a<em>mem>p;lt;button&a<em>mem>p;gt; ele<em>mem>ent and the other is a &a<em>mem>p;lt;input type="sub<em>mem>it"&a<em>mem>p;gt; . The buttons appear on the page in that order. If I'<em>mem> in a text field anywhere in the for<em>mem> and press &a<em>mem>p;lt;Enter&a<em>mem>p;gt; , the button ele<em>mem>ent's click event is triggered. I assu<em>mem>e that's be...
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How to get na<em>mem>e of calling function/<em>mem>ethod in PHP? [duplicate]

I a<em>mem> aware of function debug_backtrace , but I a<em>mem> looking for so<em>mem>e ready to use i<em>mem>ple<em>mem>entation of function like GetCalling<em>Mem>ethodNa<em>mem>e() ? It would be perfect if it gave <em>mem>ethod's class too (if it is indeed a <em>mem>ethod). ...
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How do I print a list of “Build Settings” in Xcode project?

Is there a Canonical list of Xcode Environ<em>mem>ent Variables that can be used in Build Rules etc? 7 Answers ...
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What are the <em>mem>ost-used vi<em>mem> co<em>mem><em>mem>ands/keypresses?

I'<em>mem> a Ruby progra<em>mem><em>mem>ing trying to switch fro<em>mem> Text<em>mem>ate to <em>Mem>acVi<em>mem>, and I'<em>mem> having trouble wading through the gargantuan lists of things you can do in VI<em>Mem> and all of the keypresses for the<em>mem>. I'<em>mem> tired of hearing "You can use 'I' for inserting text, or 'a' for appending text after the character, or 'A' ...
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How do I get the full path to a Perl script that is executing?

I have Perl script and need to deter<em>mem>ine the full path and filena<em>mem>e of the script during execution. I discovered that depending on how you call the script $0 varies and so<em>mem>eti<em>mem>es contains the fullpath+filena<em>mem>e and so<em>mem>eti<em>mem>es just filena<em>mem>e . Because the working directory can vary as well I can't ...
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How can I use <em>mem>ap and receive an index as well in Scala?

Is there any List/Sequence built-in that behaves like <em>mem>ap and provides the ele<em>mem>ent's index as well? 8 Answers ...
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How do Trigono<em>mem>etric functions work?

So in high school <em>mem>ath, and probably college, we are taught how to use trig functions, what they do, and what kinds of proble<em>mem>s they solve. But they have always been presented to <em>mem>e as a black box. If you need the Sine or Cosine of so<em>mem>ething, you hit the sin or cos button on your calculator and you'...