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How do I update Node.js?
I did the following to update my npm:
30 Answers
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Best way to replace multiple characters in a string?
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Replacing two characters
I timed all the methods in the current answers along with one extra.
With an input string of abc&def#ghi and replacing & -> \& and # -> \#, the fastest way was to chain together the replac...
What is the best way to use a HashMap in C++?
I know that STL has a HashMap API, but I cannot find any good and thorough documentation with good examples regarding this.
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How can I parse a YAML file from a Linux shell script?
I wish to provide a structured configuration file which is as easy as possible for a non-technical user to edit (unfortunately it has to be a file) and so I wanted to use YAML. I can't find any way of parsing this from a Unix shell script however.
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Vim multiline editing like in sublimetext?
I started to use gvim, and I can't quite understand how the multiline edit works in gvim.
7 Answers
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How to check if a String is numeric in Java
How would you check if a String was a number before parsing it?
39 Answers
39
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How to map with index in Ruby?
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If you're using ruby 1.8.7 or 1.9, you can use the fact that iterator methods like each_with_index, when called without a block, return an Enumerator object, which you can call Enumerable methods like map on. So you can do:
arr.each_with_...
C library function to perform sort
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qsort() is the function you're looking for. You call it with a pointer to your array of data, the number of elements in that array, the size of each element and a comparison function.
It does its magic and your array is sorted in-place. An example follows:
#in...
bash: shortest way to get n-th column of output
Let's say that during your workday you repeatedly encounter the following form of columnized output from some command in bash (in my case from executing svn st in my Rails working directory):
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How do I print a double value with full precision using cout?
So I've gotten the answer to my last question (I don't know why I didn't think of that). I was printing a double using cout that got rounded when I wasn't expecting it. How can I make cout print a double using full precision?
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