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How do I use extern to share variables between source files?

...shown use functions, so function declarations have crept in. Both C99 and C11 require functions to be declared or defined before they are used (whereas C90 did not, for good reasons). I use the keyword extern in front of function declarations in headers for consistency — to match the extern in fr...
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?

... 11 Answers 11 Active ...
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Why no generics in Go?

... trss 82511 gold badge1515 silver badges3030 bronze badges answered Oct 12 '10 at 6:11 VinzenzVinzenz ...
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How to run a shell script in OS X by double-clicking?

... answered Feb 26 '11 at 9:14 LusLus 2,96811 gold badge1212 silver badges88 bronze badges ...
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Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk

... Nick ParsonsNick Parsons 6,6511111 gold badges4141 silver badges6666 bronze badges ...
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Using a dispatch_once singleton model in Swift

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Are global variables bad? [closed]

... answered Jan 27 '09 at 20:11 Brian RasmussenBrian Rasmussen 108k3333 gold badges205205 silver badges303303 bronze badges ...
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Is there a visual profiler for Python? [closed]

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Why does the order of the loops affect performance when iterating over a 2D array?

... Community♦ 111 silver badge answered Mar 30 '12 at 3:32 Robert MartinRobert Martin 14.9k1...
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Placing border inside of div and not on its edge

... 11 Preferred solution. Btw, all major browsers today support plain box-shadow without prefix. – Pointer Null ...