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What does the thread_local mean in C++11?
I am confused with the description of thread_local in C++11. My understanding is, each thread has unique copy of local variables in a function. The global/static variables can be accessed by all the threads (possibly synchronized access using locks). And the thread_local variables are visible to...
How safe is it to store sessions with Redis?
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Redis is perfect for storing sessions. All operations are performed in memory, and so reads an...
What do the plus and minus signs mean in Objective-C next to a method?
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edited May 23 '17 at 12:18
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111 silver badge
answered Jan 19 '10 at 21:39
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Why Func instead of Predicate?
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While Predicate has been introduced at the same time that List<T> and Array<T>, in...
What's the difference between Invoke() and BeginInvoke()
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edited Apr 23 at 14:33
answered Oct 23 '08 at 12:40
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Why does my application spend 24% of its life doing a null check?
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The tree is massive
By far the most expensive thing a processor ever does is not executin...
iPhone UIView Animation Best Practice
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From the UIView reference's section about the beginAnimations:context: method:
Use of this...
What does an underscore in front of an import statement mean?
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edited Jun 20 at 9:12
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answered Jan 20 '14 at 1:52
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What is the difference between double-ampersand (&&) and semicolon (;) in Linux Bash?
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The && operator is a boolean AND operator: if the left side returns a non-zero exit st...
keep rsync from removing unfinished source files
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It seems to me the problem is transferring a file before it's complete, not that you're deletin...