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Command to escape a string in bash

I need a bash command that will convert a string to something that is escaped. Here's an example: 3 Answers ...
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What does addChildViewController actually do?

I'm just dipping my feet for the first time into iOS development, and one of the first things I've had to do is implement a custom container view controller - lets call it SideBarViewController - that swaps out which of several possible child view controllers it shows, almost exactly like a stan...
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What's the difference between '$(this)' and 'this'?

I am currently working through this tutorial: Getting Started with jQuery 7 Answers 7...
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What's the opposite of head? I want all but the first N lines of a file

Given a text file of unknown length, how can I read, for example all but the first 2 lines of the file? I know tail will give me the last N lines, but I don't know what N is ahead of time. ...
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How does python numpy.where() work?

I am playing with numpy and digging through documentation and I have come across some magic. Namely I am talking about numpy.where() : ...
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Convert blob URL to normal URL

My page generates a URL like this: "blob:http%3A//localhost%3A8383/568233a1-8b13-48b3-84d5-cca045ae384f" How can I convert it to a normal address? ...
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Change UICollectionViewCell size on different device orientations

I am using an UICollectionView with UICollectionViewFlowLayout . 6 Answers 6 ...
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How to handle Objective-C protocols that contain properties?

I've seen usage of Objective-C protocols get used in a fashion such as the following: 6 Answers ...
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Split a collection into `n` parts with LINQ?

Is there a nice way to split a collection into n parts with LINQ? Not necessarily evenly of course. 19 Answers ...
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SQL query for today's date minus two months

I want to select all the records in a table where their date of entry is older then 2 months. 5 Answers ...