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std::shared_ptr thread safety explained

...ly regarding your original 3 questions. But the ending part of your edit Calling reset() in thread IV will delete previous instance of A class created in first thread and replace it with new instance? Moreover after calling reset() in IV thread other threads will see only newly created object? is ...
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CUDA incompatible with my gcc version

... If you compile with cmake .. && make you can try cmake -D CUDA_NVCC_FLAGS="-ccbin gcc-4.4" .. && make. If you use plain Makefile you can try make CXX=g++-4.4 CC=gcc-4.4. – patryk.beza Apr 4 '16 at 18:54 ...
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What is the correct way of using C++11's range-based for?

...x << ' '; } the output is something like: [... copy constructor calls for vector<X> initialization ...] Elements: X copy ctor. 1 X copy ctor. 3 X copy ctor. 5 X copy ctor. 7 X copy ctor. 9 As it can be read from the output, copy constructor calls are made during range-based for l...
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Measure elapsed time in Swift

...erence in nano seconds (UInt64) let timeInterval = Double(nanoTime) / 1_000_000_000 // Technically could overflow for long running tests print("Time to evaluate problem \(problemNumber): \(timeInterval) seconds") return theAnswer } Old answer For Swift 1 and 2, my function uses NSDate...
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Where are iOS simulator screenshots stored?

... For me, there's nothing in that folder. It's all on the Desktop. Not sure why? :/ – chakrit Feb 9 '12 at 6:21 ...
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Add up a column of numbers at the Unix shell

... . . .| x=$(echo <(cat)); echo $((0+${x// /+}+0)) if you want all bash all the time: – qneill Apr 3 '15 at 23:31 ...
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Match everything except for specified strings

... Depends on the language, but there are generally negative-assertions you can put in like so: (?!red|green|blue) (Thanks for the syntax fix, the above is valid Java and Perl, YMMV) share ...
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Ant task to run an Ant target only if a file exists?

... Check Using Filename filters like DB_*/**/*.sql Here is a variation to perform an action if one or more files exist corresponding to a wildcard filter. That is, you don't know the exact name of the file. Here, we are looking for "*.sql" files in any sub-dire...
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Comparing date part only without comparing time in JavaScript

... that should give equal dates will not work because the two date are not really at 00:00:00:0. – Oliver Feb 8 '15 at 15:40 9 ...
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Find and Replace text in the entire table using a MySQL query

Usually I use manual find to replace text in a MySQL database using phpmyadmin. I'm tired of it now, how can I run a query to find and replace a text with new text in the entire table in phpmyadmin? ...