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How does one reorder columns in a data frame?
How would one change this input (with the sequence: time, in, out, files):
11 Answers
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What's the best way to limit text length of EditText in Android
What's the best way to limit the text length of an EditText in Android?
22 Answers
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When do we need curly braces around shell variables?
In shell scripts, when do we use {} when expanding variables?
7 Answers
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How do you pass a function as a parameter in C?
I want to create a function that performs a function passed by parameter on a set of data. How do you pass a function as a parameter in C?
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Redo merge of just a single file
I'm in the middle of a large merge, and I've used git mergetool to resolve all the conflicts, but I have not committed yet, as I wanted to make sure the merge was ok first.
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Prevent screen rotation on Android
I have one of my activities which I would like to prevent from rotating because I'm starting an AsyncTask, and screen rotation makes it restart.
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Why does JQuery have dollar signs everywhere?
I am working on a project with quite a lot of JQuery in it. The JQuery has a lot of $ signs everywhere, for example
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How to modify Github pull request？
I've opened a pull request to a project. The maintainer has decided to accept it, but told me to modify some contents.
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How to set Oracle's Java as the default Java in Ubuntu?
How do I change the value of JAVA_HOME in Ubuntu to point to Oracle's Java?
8 Answers
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What does (x ^ 0x1) != 0 mean?
I came across the following code snippet
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