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Suppress warning “Category is implementing a method which will also be implemented by its primary cl

...cify which implementation they want. So, you should either use a category and provide method names that are new and unique for the class, or subclass if you want to change the behavior of an existing method in a class. shar...
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Sending multipart/formdata with jQuery.ajax

...P native array instead of a counter Just name your file elements the same and end the name in brackets: jQuery.each(jQuery('#file')[0].files, function(i, file) { data.append('file[]', file); }); $_FILES['file'] will then be an array containing the file upload fields for every file uploaded. ...
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How do you switch pages in Xamarin.Forms?

...dPage, the one you don't like CarouselPage, that allows for switching left and right to next/prev pages. On top of this, all pages also supports PushModalAsync() which just push a new page on top of the existing one. At the very end, if you want to make sure the user can't get back to the previou...
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What does cherry-picking a commit with Git mean?

... Cherry picking in Git means to choose a commit from one branch and apply it onto another. This is in contrast with other ways such as merge and rebase which normally apply many commits onto another branch. Make sure you are on the branch you want to apply the commit to. git checkout...
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How to change UIPickerView height

... have shorter PickerViews but setting a smaller frame doesn't seem to work and the frame is locked in Interface Builder. 27...
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Fastest way(s) to move the cursor on a terminal command line?

What is the best way to move around on a given very long command line in the terminal? 14 Answers ...
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Key hash for Android-Facebook app

I'm working on an Android app, in which I want to integrate a Facebook posting feature. I downloaded the Facebook-Android SDK, and I got the readme.md (text file) in there, in which it is mentioned to generate the key hash for Android. How do I generate it? ...
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How do you do a limit query in JPQL or HQL?

... HQL parser would replace the bits of the query that it recognised as HQL, and leave the rest as it was, so you could sneak in some native SQL. Hibernate 3, however, has a proper AST HQL Parser, and it's a lot less forgiving. I think Query.setMaxResults() really is your only option. ...
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How to run multiple Python versions on Windows

I had two versions of Python installed on my machine (versions 2.6 and 2.5). I want to run 2.6 for one project and 2.5 for another. ...
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get client time zone from browser [duplicate]

... Look at this repository pageloom it is helpful download jstz.min.js and add a function to your html page <script language="javascript"> function getTimezoneName() { timezone = jstz.determine() return timezone.name(); } </script> and call this function f...