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Difference between add(), replace(), and addToBackStack()
What is the main difference between calling these methods:
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Get source JARs from Maven repository
Does anyone have any idea if you can find source JARs on Maven repositories?
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How do you delete a column by name in data.table?
To get rid of a column named "foo" in a data.frame , I can do:
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Regular Expression for alphanumeric and underscores
I would like to have a regular expression that checks if a string contains only upper and lowercase letters, numbers, and underscores.
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What Computer Science concepts should I know? [closed]
What concepts in Computer Science do you think have made you a better programmer?
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What is a faster alternative to Python's http.server (or SimpleHTTPServer)?
Python's http.server (or SimpleHTTPServer for Python 2) is a great way of serve the contents of the current directory from the command line:
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Is there a Unix utility to prepend timestamps to stdin?
I ended up writing a quick little script for this in Python, but I was wondering if there was a utility you could feed text into which would prepend each line with some text -- in my specific case, a timestamp. Ideally, the use would be something like:
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How can I split up a Git commit buried in history?
I flubbed up my history and want to do some changes to it. Problem is, I have a commit with two unrelated changes, and this commit is surrounded by some other changes in my local (non-pushed) history.
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Calling constructors in c++ without new
I've often seen that people create objects in C++ using
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