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Remove empty array elements

... of strings, you can simply use array_filter(), which conveniently handles all this for you: print_r(array_filter($linksArray)); Keep in mind that if no callback is supplied, all entries of array equal to FALSE (see converting to boolean) will be removed. So if you need to preserve elements that ...
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Multiple inputs with same name through POST in php

... post and then access them from PHP? The idea is this: I have a form that allows the entry of an indefinite number of physical addresses along with other information. If I simply gave each of those fields the same name across several entries and submitted that data through post, would PHP be able ...
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back button callback in navigationController in iOS

...elegate if it should pop the top UINavigationItem by calling navigationBar(_:shouldPop:). UINavigationController actually implement this, but it doesn't publicly declare that it adopts UINavigationBarDelegate (why!?). To intercept this event, create a subclass of UINavigationController, declare its ...
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Why can't I see the “Report Data” window when creating reports?

... After I accidentally closed this window, I took an hour to find how to bring it back up. The right answer is indeed: View-->Report Data (ctrl+alt+D) The tricky part: the 'Report Data' entry does not always appear in the 'View' dropdown...
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UITapGestureRecognizer tap on self.view but ignore subviews

...UI object on this view and I don't want to attach any recognizer object to all of them. I found this method below how to make gesture on my view and I know how it works. Right now I am in front of handicap which way to choose for create this recognizer ignoring subview. Any ideas? Thanks. ...
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submit a form in a new tab

...to test some functions, after I'll avoid this behaviour) to load the page called by submit on a new tab : is it possible? 8...
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machine learning libraries in C# [closed]

...asses: public class TrainingSet { private readonly List<string> _attributes = new List<string>(); private readonly List<List<object>> _examples = new List<List<object>>(); public TrainingSet(params string[] attributes) { _attributes.AddRang...
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How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?

On POSIX systems, termination signals usually have the following order (according to many MAN pages and the POSIX Spec): 6 ...
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ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]

...I went ahead and created it in the first place :). Using pure Lucene is challenging. There are many things that you need to take care for if you want it to really perform well, and also, its a library, so no distributed support, it's just an embedded Java library that you need to maintain. In term...
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Get encoding of a file in Windows

This isn't really a programming question, is there a command line or Windows tool (Windows 7) to get the current encoding of a text file? Sure I can write a little C# app but I wanted to know if there is something already built in? ...