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Angularjs $q.all

I have implemented the $q.all in angularjs, but I can not make the code work. Here is my code : 3 Answers ...
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Paperclip::Errors::MissingRequiredValidatorError with Rails 4

I'm getting this error when I try to upload using paperclip with my rails blogging app. Not sure what it is referring to when it says "MissingRequiredValidatorError" I thought that by updating post_params and giving it :image it would be fine, as both create and update use post_params ...
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How does git store files?

I just started learning git and to do so I started reading the Git Community Book , and in this book they say that SVN and CVS store the difference between files and that git stores a snapshot of all the files. ...
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Difference between Label and TextBlock

According to the Windows Applications Development with Microsoft .NET 4 70-511 Training Kit 5 Answers ...
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How to make the 'cut' command treat same sequental delimiters as one?

I'm trying to extract a certain (the fourth) field from the column-based, 'space'-adjusted text stream. I'm trying to use the cut command in the following manner: ...
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Simple logical operators in Bash

I have a couple of variables and I want to check the following condition (written out in words, then my failed attempt at bash scripting): ...
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Is there a benefit to defining a class inside another class in Python?

What I'm talking about here are nested classes. Essentially, I have two classes that I'm modeling. A DownloadManager class and a DownloadThread class. The obvious OOP concept here is composition. However, composition doesn't necessarily mean nesting, right? ...
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When should I use GC.SuppressFinalize()?

In .NET, under which circumstances should I use GC.SuppressFinalize() ? 5 Answers 5 ...
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How to sort with a lambda?

I'd like to use a lambda function to sort custom classes in place of binding an instance method. However, the code above yields the error: ...
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Is the 'override' keyword just a check for a overridden virtual method?

As far as I understand, the introduction of override keyword in C++11 is nothing more than a check to make sure that the function being implemented is the override ing of a virtual function in the base class. ...