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How to join multiple lines of file names into one with custom delimiter?
I would like to join the result of ls -1 into one line and delimit it with whatever i want.
22 Answers
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Error to install Nokogiri on OSX 10.9 Maverick?
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You can also install Nokogiri on Mac OS X 10.9 Mavericks with full XCode Install using:
gem install nokogiri -- --with-xml2-include=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/usr/include/libxml2
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For t...
What's the difference between echo, print, and print_r in PHP?
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Regex lookahead, lookbehind and atomic groups
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Examples
Given the string foobarbarfoo:
bar(?=bar) finds the 1st bar ("bar" which has "bar" after it)
bar(?!bar) finds the 2nd bar ("bar" which does not have "bar" after it)
(?<=foo)bar finds the 1st bar ("bar" which has "foo" before it)
(?<!foo)bar finds the 2nd bar ("...
“Could not run curl-config: [Errno 2] No such file or directory” when installing pycurl
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11 Answers
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Calculating arithmetic mean (one type of average) in Python
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What does T&& (double ampersand) mean in C++11?
I've been looking into some of the new features of C++11 and one I've noticed is the double ampersand in declaring variables, like T&& var .
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How can I wait for set of asynchronous callback functions?
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You haven't been very specific with your code, so I'll make up a scenario. Let's say you have...
Efficient evaluation of a function at every cell of a NumPy array
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164
You could just vectorize the function and then apply it directly to a Numpy array each time yo...