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Most efficient way to concatenate strings?

... Yousha Aleayoub 2,59722 gold badges4040 silver badges5555 bronze badges answered Aug 21 '08 at 20:30 TheEmirOfGroofunkistanTheEmirOfGroo...
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Programmatically find the number of cores on a machine

... = sysinfo.dwNumberOfProcessors; Linux, Solaris, AIX and Mac OS X >=10.4 (i.e. Tiger onwards) int numCPU = sysconf(_SC_NPROCESSORS_ONLN); FreeBSD, MacOS X, NetBSD, OpenBSD, etc. int mib[4]; int numCPU; std::size_t len = sizeof(numCPU); /* set the mib for hw.ncpu */ mib[0] = CTL_HW; mib[1] =...
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What's a simple way to get a text input popup dialog box on an iPhone

...ertView like this (screenshot taken from the iPhone 5.0 simulator in XCode 4.2): When pressing any buttons, the regular delegate methods will be called and you can extract the textInput there like so: - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{ NS...
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What does “=>” mean in PHP?

...i}: {$type}\n"; } // prints: // 0: car // 1: truck // 2: van // 3: bike // 4: rickshaw share | improve this answer | follow | ...
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NSPredicate: filtering objects by day of NSDate property

... diciudiciu 28.1k33 gold badges4848 silver badges6767 bronze badges 4 ...
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Age from birthdate in python

... | edited Dec 4 '16 at 23:46 answered Mar 17 '12 at 22:46 ...
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Rename a dictionary key

... answered May 10 '13 at 4:58 wimwim 241k7070 gold badges435435 silver badges577577 bronze badges ...
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Keyboard shortcut for Jump to Previous View Location (Navigate back/forward) in IntelliJ IDEA

... 462 Alt + Shift + ← (Left Arrow) or Ctrl + E (Recent Files pop-up). Also check: Ctrl + Shif...
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Can a constructor in Java be private?

... | edited Jun 5 '16 at 16:44 answered May 12 '10 at 4:29 Mi...
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How do I check if string contains substring? [duplicate]

... Khachaturyan 5,90933 gold badges3232 silver badges3434 bronze badges answered Aug 13 '10 at 21:28 SLaksSLaks 770k161161 gold badg...