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How do you delete an ActiveRecord object?

How do you delete an ActiveRecord object? 4 Answers 4 ...
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Get value of dynamically chosen class constant in PHP

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How to go to a specific file in Chrome Developer Tools?

I am developing a web application with a heavy front-end approach. By using Dojo and the AMD-way, I currently have testing screens which may easily load over a hundred different javascript files. ...
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How to change MySQL column definition?

I have a mySQL table called test: 3 Answers 3 ...
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Cause CMAKE to generate an error

How can I get CMAKE to generate an error on a particular condition. That is, I want something like this: 1 Answer ...
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MySQL Select minimum/maximum among two (or more) given values

Is it possible to SELECT the minimum or maximum among two or more values. I'd need something like this: 4 Answers ...
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Creating C macro with ## and __LINE__ (token concatenation with positioning macro)

I want to create a C macro that creates a function with a name based on the line number. I thought I could do something like (the real function would have statements within the braces): ...
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Python OpenCV2 (cv2) wrapper to get image size?

How to get the size of an image in cv2 wrapper in Python OpenCV (numpy). Is there a correct way to do that other than numpy.shape() . How can I get it in these format dimensions: (width, height) list? ...
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Swift Programming: getter/setter in stored property

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Convert NSNumber to int in Objective-C

I use [NSNumber numberWithInt:42] or @(42) to convert an int to NSNumber before adding it to an NSDictionary: 5 Answers...