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Checking from shell script if a directory contains files
From a shell script, how do I check if a directory contains files?
26 Answers
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What is the equivalent of the C++ Pair in Java?
Is there a good reason why there is no Pair<L,R> in Java? What would be the equivalent of this C++ construct? I would rather avoid reimplementing my own.
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Git push error '[remote rejected] master -> master (branch is currently checked out)'
Yesterday, I posted a question on how to clone a Git repository from one of my machines to another, How can I 'git clone' from another machine? .
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How to select a CRAN mirror in R
I'm trying to install a package through the R prompt by doing the following:
11 Answers
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How to Flatten a Multidimensional Array?
Is it possible, in PHP, to flatten a (bi/multi)dimensional array without using recursion or references?
29 Answers
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Can I mix Swift with C++? Like the Objective-C .mm files
I just changed my .m files to .mm and use C++. Is there a way to do the same with Swift?
13 Answers
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How do I do a multi-line string in node.js?
With the rise of node.js, multi-line strings are becoming more necessary in JavaScript.
9 Answers
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When would you use a List instead of a Dictionary?
What is the difference between a List of KeyValuePair and a Dictionary for the same types? Is there an appropriate time to use one or the other?
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Retain cycle on `self` with blocks
I'm afraid this question is pretty basic, but I think it's relevant to a lot of Objective-C programmers who are getting into blocks.
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