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How do I “source” something in my .vimrc file?

I've been working on expanding my vim-foo lately and I've run across a couple of plugins ( autotag.vim for example) that require them to be "sourced" in my .vimrc file. What exactly does this mean and how do I do it? ...
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What is the $? (dollar question mark) variable in shell scripting? [duplicate]

I'm trying to learn shell scripting, and I need to understand someone else's code. What is the $? variable hold? I can't Google search the answer because they block punctuation characters. ...
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What is Double Brace initialization in Java?

What is Double Brace initialization syntax ( {{ ... }} ) in Java? 13 Answers 13 ...
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Test iOS app on device without apple developer program or jailbreak

How can I test an iOS application on my iPod Touch without registering for the Apple Developer Program or jailbreaking my iPod? ...
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What is the difference between 'E', 'T', and '?' for Java generics?

... Well there's no difference between the first two - they're just using different names for the type parameter (E or T). The third isn't a valid declaration - ? is used as a wildcard which is used when providing a type argument, e.g. List<?> foo = ... means that foo refers to a list of...
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How to track untracked content?

See below the solid line for my original question. 13 Answers 13 ...
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Timing a command's execution in PowerShell

Is there a simple way to time the execution of a command in PowerShell, like the 'time' command in Linux? I came up with this: ...
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Proper MIME media type for PDF files

When working with PDFs, I've run across the MIME types application/pdf and application/x-pdf among others. 3 Answers ...
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In bash, how does one clear the current input?

Suppose in bash you start writing a command like: 11 Answers 11 ...
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How to convert a string to an integer in JavaScript?

How do I convert a string to an integer in JavaScript? 27 Answers 27 ...