Top Answers

1. What's the difference between `git add .` and `git add -u`?
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2. Emacs/AUCTeX: run command on file that is not currently open
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3. How can I create stacked line graph with matplotlib?
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4. R: apt-get install r-cran-foo vs. install.packages("foo")
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5. How do you get the icon, MIME type, and application associated with a file in the Linux Desktop?
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