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Difference between \n and \r?
...er can move while the carriage is still going leftwards!-) Wikipedia has a more detailed explanation.
for character-mode terminals (typically emulating even-older printing ones as above), in raw mode, \r and \n act similarly (except both in terms of the cursor, as there is no carriage or roller;-)
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Difference between an API and SDK
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More simply, an API is an interface. Whereas an SDK is an abstraction layer over the interface.
– tvanc
Sep 30 '14 at 5:38
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A cron job for rails: best practices?
...n that takes long to start up, our Rake is called every minute and consume more resources starting up the Rails environment that executing the task. I'd love to have an already started up Rails environment to be called through the cron, have to be something between the controller approach and the ra...
Is there a C++ gdb GUI for Linux? [closed]
...I for gdb that brings it on par or close to the feature set you get in the more recent version of Visual C++?
28 Answers
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Spring MVC: Complex object as GET @RequestParam
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What is the lifecycle of an AngularJS Controller?
...d on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Collections.emptyMap() vs new HashMap()
...ions.emptySet();
}
These methods offer a couple of advantages:
They're more concise because you don't need to explicitly type out the generic type of the collection - it's generally just inferred from the context of the method call.
They're more efficient because they don't bother creating ne...
CGContextDrawImage draws image upside down when passed UIImage.CGImage
... need alpha). Basically my motto is, use a little code as you can because more code means more chances for bugs.
– Kendall Helmstetter Gelner
May 21 '10 at 1:36
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How to use the “number_to_currency” helper method in the model rather than view?
...ect to mediate between the model and view. This almost definitely requires more initial work than other solutions, but is almost always a better design. Using helpers in a presenter/view-model doesn’t violate MVC, as they reside in the view layer, replacing traditional custom Rails helpers and log...