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Painless way to install a new version of R?
Andrew Gelman recently lamented the lack of an easy upgrade process for R (probably more relevant on Windows than Linux). Does anyone have a good trick for doing the upgrade, from installing the software to copying all the settings/packages over?
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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
... A and B be two sets. I'm looking for really fast or elegant ways to compute the set difference ( A - B or A \B , depending on your preference) between them. The two sets are stored and manipulated as Javascript arrays, as the title says.
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How can I split and trim a string into parts all on one line?
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Javascript Array of Functions
That does not work as intended because each function in the array is executed when the array is created.
18 Answers
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Can I add extension methods to an existing static class?
I'm a fan of extension methods in C#, but haven't had any success adding an extension method to a static class, such as Console.
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How to view files in binary from bash?
I would like to view the contents of a file in the current directory, but in binary from the command line. How can I achieve this?
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UnicodeEncodeError: 'latin-1' codec can't encode character
What could be causing this error when I try to insert a foreign character into the database?
9 Answers
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How can I concatenate two arrays in Java?
I need to concatenate two String arrays in Java.
61 Answers
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Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?
I just found a comment in this answer saying that using iostream::eof in a loop condition is "almost certainly wrong". I generally use something like while(cin>>n) - which I guess implicitly checks for EOF.
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