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Callback on CSS transition

Is it possible to get a notification (like callback) when a CSS transition has been completed? 5 Answers ...
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What version of Visual Studio is Python on my computer compiled with?

I am trying to find out the version of Visual Studio that is used to compile the Python on my computer 2 Answers ...
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Twitter Bootstrap Form File Element Upload Button

Why isn't there a fancy file element upload button for twitter bootstrap? It would be sweet if the blue primary button was implemented for the upload button. Is it even possible to finesse the upload button using CSS? (seems like a native browser element that can't be manipulated) ...
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ruby inheritance vs mixins

In Ruby, since you can include multiple mixins but only extend one class, it seems like mixins would be preferred over inheritance. ...
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How do I get user IP address in django?

How do I get user's IP in django? 11 Answers 11 ...
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Delete specific line number(s) from a text file using sed?

I want to delete one or more specific line numbers from a file. How would I do this using sed? 6 Answers ...
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What is the difference between a directory and a folder?

Most people use the terms "folder" and "directory" interchangeably. From a programmer point of view, is there a difference, and if so, what is it? Does it depend on the OS, or is there a broad, general consensus? This at least suggests that there is a difference. ...
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Facebook Open Graph not clearing cache

I'm having troubles with my meta tags with Open Graph. It seems as though Facebook is caching old values of my meta tags. Old values for Attributes og:title and og:url are still used, even though I have changed them already. ...
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Simpler way to put PDB breakpoints in Python code?

Just a convenience question. I've been a bit spoiled with debuggers in IDEs like Visual Studio and XCode. I find it a bit clumsy to have to type import pdb; pdb.set_trace() to set a breakpoint (I'd rather not import pdb at the top of the file as I might forget and leave it in). ...
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“CAUTION: provisional headers are shown” in Chrome debugger

...aution message when looking at downloaded resources using Google chrome inspector ( F12 ): 34 Answers ...