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Changing case in Vim

Is there a command in Vim that changes the case of the selected text? 2 Answers 2 ...
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vim repeat find next character 'x'

I often navigate in vim by f x to find next occurrence of character 'x', but overlook that there is a word (or more words) containing 'x' in between the word I want to edit and the beginning cursor position. ...
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How do I convert a Ruby class name to a underscore-delimited symbol?

... FooBar , into a symbol, :foo_bar ? e.g. something like this, but that handles camel case properly? 4 Answers ...
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How can I recover a lost commit in Git?

First, got "your branch is ahead of origin/master by 3 commits" then my app has reverted to an earlier time with earlier changes. ...
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python numpy ValueError: operands could not be broadcast together with shapes

In numpy, I have two "arrays", X is (m,n) and y is a vector (n,1) 6 Answers 6 ...
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Setup RSpec to test a gem (not Rails)

It is pretty easy with the added generator of rspec-rails to setup RSpec for testing a Rails application. But how about adding RSpec for testing a gem in development? I am not using jeweler or such tools. I just used Bundler ( bundle gem my_gem ) to setup the structure for the new gem and edit the *...
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How to import existing *.sql files in PostgreSQL 8.4?

I am using PostgreSQL 8.4, and I have some *.sql files to import into a database. How can I do so? 5 Answers ...
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Android Studio/Intellij Idea: “Table of Contents” for a class

I have been messing around with Android Studio and so far I like most of what I have seen. One thing that has been annoying me though is this lack of "Table of Contents" for a class. I apologize for not knowing exactly what to call it. But what I am referring to is the dropdown menu in eclipse that ...
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Combining a class selector and an attribute selector with jQuery

Is it possible to combine both a class selector and an attribute selector with jQuery? 4 Answers ...
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cout is not a member of std

I'm practicing using mulitple files and header files etc. So I have this project which takes two numbers and then adds them. Pretty simple. ...