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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation

...a pool. So ::std::async(::std::launch::async, ...) is preferred. Question 2: Yes, basically this 'implicitly' launches a thread. But really, it's still quite obvious what's happening. So I don't really think the word implicitly is a particularly good word. I'm also not convinced that forcing you ...
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What is the correct answer for cout

...been updated. In particular: In a shift operator expression E1<<E2 and E1>>E2, every value computation and side-effect of E1 is sequenced before every value computation and side effect of E2. Which means that it requires the code to produce result b, which outputs 01. See P0145R3 ...
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How do I make many-to-many field optional in Django?

... answered Mar 27 '10 at 15:46 Ludwik TrammerLudwik Trammer 20.8k55 gold badges5555 silver badges8686 bronze badges ...
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WaitAll vs WhenAll

... Alberto Solano 7,17433 gold badges3232 silver badges5454 bronze badges answered May 25 '11 at 11:03 Jon SkeetJon Skeet ...
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How do ports work with IPv6?

... | edited Aug 30 '12 at 14:55 Mike Mackintosh 12.8k66 gold badges5454 silver badges8282 bronze badges ...
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Rails 4: before_filter vs. before_action

... 523 As we can see in ActionController::Base, before_action is just a new syntax for before_filter. ...
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How can I resolve “Error: No developer directory found at /Developer”?

... 244 sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer ...
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How can I create a unique constraint on my column (SQL Server 2008 R2)?

I have SQL Server 2008 R2 and I want to set a unique column. 4 Answers 4 ...
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What are the differences between a UIView and a CALayer?

... 224 On iOS, every UIView is backed by a Core Animation CALayer, so you are dealing with CALayers w...
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Xcode 4, Core Data Model Version - Set Current Version

... | edited Nov 29 '11 at 22:17 Mac_Cain13 3,52822 gold badges2121 silver badges3737 bronze badges ...