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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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Cell spacing in UICollectionView

...in case anyone still needs correct answer here what you need: Override standard flow layout. Add implementation like that: - (NSArray *) layoutAttributesForElementsInRect:(CGRect)rect { NSArray *answer = [super layoutAttributesForElementsInRect:rect]; for(int i = 1; i < [answer count]...
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Pandas: Looking up the list of sheets in an excel file

The new version of Pandas uses the following interface to load Excel files: 6 Answers ...
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For..In loops in JavaScript - key value pairs

...or...of documentation Destructuring assignment documentation Enumerability and ownership of properties documentation Hope it helps! =) share | improve this answer | follow ...
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Add unique constraint to combination of two columns

I have a table and, somehow, the same person got into my Person table twice. Right now, the primary key is just an autonumber but there are two other fields that exist that I want to force to be unique. ...
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How do I create a new branch?

...ur-branch-name The main branch of a project is referred to as the trunk, and is usually located in: (svn/http)://path-to-repo/trunk share | improve this answer | follow ...
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Backbone.View “el” confusion

How should a view's el be handled? It has to be set, otherwise events don't fire (see here ). 3 Answers ...
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Representing Directory & File Structure in Markdown Syntax [closed]

...n't be any issue with Markdown, it is going to be on your Jekyll templates and users web browsers. – RobertKenny Nov 1 '13 at 9:31 1 ...
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Removing multiple files from a Git repo that have already been deleted from disk

... Git repo that I have deleted four files from using rm ( not git rm ), and my Git status looks like this: 29 Answers ...
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eclipse stuck when building workspace

...ook at How to report a deadlock. You may also want to check the Error view and/or the error log ([workspace]/.metadata/.log). If that doesn't help, you'll probably need to include more info about which plugins you have installed and which projects you have. Can you create a minimal workspace which r...