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What does void* mean and how to use it?

...a pointer to a function that compares two elements of the array. It gets called like so: int iArr[10]; double dArr[30]; long lArr[50]; ... qsort(iArr, sizeof iArr/sizeof iArr[0], sizeof iArr[0], compareInt); qsort(dArr, sizeof dArr/sizeof dArr[0], sizeof dArr[0], compareDouble); qsort(lArr, sizeof...
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Removing items from a list [duplicate]

... You need to use Iterator and call remove() on iterator instead of using for loop. share | improve this answer | follow ...
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What's the difference between event.stopPropagation and event.preventDefault?

...;/div> With stopPropagation, only the button's click handler is called while the div's click handler never fires. Where as if you use preventDefault, only the browser's default action is stopped but the div's click handler still fires. Below are some docs on the DOM event properties and ...
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Can I target all tags with a single selector?

I'd like to target all h tags on a page. I know you can do it this way... 10 Answers 1...
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Is inject the same thing as reduce in ruby?

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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How to find out if you're using HTTPS without $_SERVER['HTTPS']

...PHP as a Fast-CGI application). Also, Apache 1.x servers (and broken installations) might not have $_SERVER['HTTPS'] defined even if connecting securely. Although not guaranteed, connections on port 443 are, by convention, likely using secure sockets, hence the additional port check. Additional n...
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How can I view all the git repositories on my machine?

Is there a way in which I can see all the git repositories that exist on my machine? Any command for that? 10 Answers ...
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Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a

We all know you can't do the following because of ConcurrentModificationException : 26 Answers ...
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How do I increase the number of displayed lines of a Java stack trace dump?

...stack trace will be shortened. If you for some reason want the full trace, all you need to do is take the last line before the ... in Foo's stack trace and look for it in the Bar's stack trace; everything below that line is exactly what would have been printed in Foo's stack trace. ...
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Double vs single quotes

I'm really new to Ruby and I'm trying to understand if there's a specific time when I should use "" vs '' . 8 Answers ...