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Rails 4: before_filter vs. before_action

In rails >4.0.0 generators creates CRUD operations with before_action not before_filter . It seems to do the same thing. So what's the difference between these two? ...
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Iterating through a JSON object

I am trying to iterate through a JSON object to import data, i.e. title and link. I can't seem to get to the content that is past the : . ...
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How to return a 200 HTTP Status Code from ASP.NET MVC 3 controller

I am writing an application that is accepting POST data from a third party service. 5 Answers ...
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Convert InputStream to BufferedReader

I'm trying to read a text file line by line using InputStream from the assets directory in Android. 3 Answers ...
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Changing the case of a string in Eclipse

How do I make a lowercase string uppercase using Eclipse? I want to select a string and either uppercase it or lowercase it. Is there a shortcut for doing this? ...
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How do I get out of a screen without typing 'exit'?

I screen -r 'd into a django server that's running and I can't simply Ctrl-C and exit out of it. 5 Answers ...
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How to make the tab character 4 spaces instead of 8 spaces in nano?

When I press TAB in nano editor, the cursor will jump with 8 spaces like this: 6 Answers ...
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Docker: adding a file from a parent directory

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Is there a Java standard “both null or equal” static method?

To save some typing and clarify my code, is there a standard version of the following method? 3 Answers ...
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Update multiple rows in same query using PostgreSQL

I'm looking to update multiple rows in PostgreSQL in one statement. Is there a way to do something like the following? 6 An...