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Function pointers, Closures, and Lambda

I am just now learning about function pointers and, as I was reading the K&R chapter on the subject, the first thing that hit me was, "Hey, this is kinda like a closure." I knew this assumption is fundamentally wrong somehow and after a search online I didn't find really any analysis of this compari...
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Is there a standard sign function (signum, sgn) in C/C++?

...i/Sign_function It's easy enough to write my own, but it seems like something that ought to be in a standard library somewhere. ...
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Has Facebook sharer.php changed to no longer accept detailed parameters?

We have been opening a sharing popup (via window.open) with the URL like 5 Answers 5 ...
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How to delete an old/unused Data Model Version in Xcode

How can I delete an old Data Model in Xcode? The option is disabled on the menu. (The models I want to delete have not been released to the public - they are interim development models.) ...
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Getting random numbers in Java [duplicate]

I would like to get a random value between 1 to 50 in Java. 2 Answers 2 ...
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Calculate date/time difference in java [duplicate]

I want to calculate difference between 2 dates in hours/minutes/seconds. 17 Answers ...
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How to check the version of GitLab?

How to check which version of GitLab is installed on the server? 15 Answers 15 ...
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How do I Disable the swipe gesture of UIPageViewController?

In my case parent UIViewController contains UIPageViewController which contains UINavigationController which contains UIViewController . I need to add a swipe gesture to the last view controller, but swipes are handled as if they belong to page view controller. I tried to do this both program...
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What is the function __construct used for?

I have been noticing __construct a lot with classes. I did a little reading and surfing the web, but I couldn't find an explanation I could understand. I am just beginning with OOP. ...
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RESTful password reset

What is the proper way to structure a RESTful resource for resetting a password? 9 Answers ...