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Get time difference between two dates in seconds

I'm trying to get a difference between two dates in seconds. The logic would be like this : 6 Answers ...
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What is the proper #include for the function 'sleep()'?

I am using the Big Nerd Ranch book Objective-C Programming, and it starts out by having us write in C in the first few chapters. In one of my programs it has me create, I use the sleep function. In the book it told me to put #include <stdlib.h> under the #include <stdio.h> part. This...
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List comprehension in Ruby

To do the equivalent of Python list comprehensions, I'm doing the following: 17 Answers ...
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Record file copy operation with Git

When I move a file in git using git-mv the status shows that the file has been renamed and even if I alter some portions it still considers to be almost the same thing (which is good because it lets me follow the history of it). ...
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Post an empty body to REST API via HttpClient

The API I'm trying to call requires that I do a POST but with an empty body. I'm new to using the WCF Web API HttpClient and I can't seem to find out the write code that would do a post with an empty body. I find references to some HttpContent.CreateEmpty() method, but I don't think that is for th...
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Stop Mongoose from creating _id property for sub-document array items

If you have subdocument arrays, Mongoose automatically creates ids for each one. Example: 6 Answers ...
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SSL Connection / Connection Reset with IISExpress

I'm using the new Visual Studio 2013 with IISExpress for the first time (previously used ASP.net Development server on VS2010). I'm running into issues trying to debug my project. ...
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How to check if element is visible after scrolling?

I'm loading elements via AJAX. Some of them are only visible if you scroll down the page. Is there any way I can know if an element is now in the visible part of the page? ...
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Static files in Flask - robot.txt, sitemap.xml (mod_wsgi)

Is there any clever solution to store static files in Flask's application root directory. robots.txt and sitemap.xml are expected to be found in /, so my idea was to create routes for them: ...
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Android: TextView: Remove spacing and padding on top and bottom

When I have a TextView with a \n in the text,, on the right I have two singleLine TextView s, one below the other with no spacing in between. I have set the following for all three TextView s. ...