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Rails :dependent => :destroy VS :dependent => :delete_all

In rails guides it's described like this: 4 Answers 4 ...
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What is the difference between origin and upstream on GitHub?

What is the difference between origin and upstream on GitHub ? 1 Answer 1 ...
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Bootstrap 3 Glyphicons are not working

I downloaded bootstrap 3.0 and can't get the glyphicons to work. I get some kind of "E003" error. Any ideas why this is happening? I tried both locally and online and I still get the same problem. ...
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How to format all Java files in an Eclipse project at one time?

I have an old Eclipse project and the code is not well formatted. I'd like to format all the .java files according to the settings in Eclipse. I don't want to edit every individual file with Ctrl + Shift + F . Is there a way to format all my files? Perhaps an Eclipse plugin? ...
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How would one write object-oriented code in C? [closed]

What are some ways to write object-oriented code in C? Especially with regard to polymorphism. 32 Answers ...
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How can I count all the lines of code in a directory recursively?

We've got a PHP application and want to count all the lines of code under a specific directory and its subdirectories. We don't need to ignore comments, as we're just trying to get a rough idea. ...
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Is there any significant difference between using if/else and switch-case in C#?

What is the benefit/downside to using a switch statement vs. an if/else in C#. I can't imagine there being that big of a difference, other than maybe the look of your code. ...
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Determine if ActiveRecord Object is New

How can I check if an ActiveRecord object is new or is already persisted? 2 Answers ...
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System.Net.Http: missing from namespace? (using .net 4.5)

TL; DR: I'm new to this language and have no idea what I'm doing 16 Answers 16 ...
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How to set web.config file to show full error message

I deployed my MVC-3 application on windows Azure. But now when I am requesting it through staging url it shows me (Sorry, an error occurred while processing your request.) . Now I want to see the full error message, by default it is hiding that because of some security reasons. I know that we can...