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std::auto_ptr to std::unique_ptr

...d not be used in new code. If you have auto_ptr in an existing code base, when you get a chance try doing a global search-and-replace of auto_ptr to unique_ptr; the vast majority of uses will work the same, and it might expose (as a compile-time error) or fix (silently) a bug or two you...
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How do I convert an interval into a number of hours with postgres?

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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Running a cron job at 2:30 AM everyday

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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Why can I type alias functions and use them without casting?

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Find the Smallest Integer Not in a List

...st in memory. In the form the question was asked, this would require O(N) 64-bit words.) @Jorn comments that steps 1 through 3 are a variation on counting sort. In a sense he is right, but the differences are significant: A counting sort requires an array of (at least) Xmax - Xmin counters wh...
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What is the difference between a weak reference and an unowned reference?

...e: String) { self.name = name } } class CreditCard { let number: UInt64 unowned let customer: Customer init(number: UInt64, customer: Customer) { self.number = number; self.customer = customer } } In this example, a Customer may or may not have a CreditCard, but a CreditCard will alwa...
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github: No supported authentication methods available

...ame. Apparently when using Github (or is it a Git thing?), if you use key-based authentication, you need to set your username to git. I'm not sure why you even need a username at all - perhaps someone more knowledgeable can explain that? ...
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Javascript: How to detect if browser window is scrolled to bottom?

... <br> <br> <br> <br> <br> Note for mac Based on @Raphaël's comment, there was a problem in mac due to a small offset. The following updated condition works: (window.innerHeight + window.pageYOffset) >= document.body.offsetHeight - 2 I didn't have the chance ...
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HTTP headers in Websockets client API

... above results in the following header with the string "username:password" base64 encoded: Authorization: Basic dXNlcm5hbWU6cGFzc3dvcmQ= I have tested basic auth in Chrome 55 and Firefox 50 and verified that the basic auth info is indeed negotiated with the server (this may not work in Safari). ...
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What happens to a declared, uninitialized variable in C? Does it have a value?

... klutt 19.6k1414 gold badges3737 silver badges6464 bronze badges answered Oct 20 '09 at 21:27 bdonlanbdonlan 197k2626 gold b...