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Output array to CSV in Ruby
It's easy enough to read a CSV file into an array with Ruby but I can't find any good documentation on how to write an array into a CSV file. Can anyone tell me how to do this?
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Vim clear last search highlighting
After doing a search in Vim, I get all the occurrences highlighted. How can I disable that? I now do another search for something gibberish that can't be found.
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How to join strings in Elixir?
How do I join two strings in a list with a space, like:
9 Answers
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How to 'grep' a continuous stream?
Is that possible to use grep on a continuous stream?
12 Answers
12
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Reasons for using the set.seed function
Many times I have seen the set.seed function in R, before starting the program. I know it's basically used for the random number generation. Is there any specific need to set this?
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How can I reverse the order of lines in a file?
I'd like to reverse the order of lines in a text file (or stdin), preserving the contents of each line.
25 Answers
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How to retrieve the hash for the current commit in Git?
I would like to retain (for now) the ability to link Git changesets to workitems stored in TFS.
20 Answers
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How to implement an STL-style iterator and avoid common pitfalls?
I made a collection for which I want to provide an STL-style, random-access iterator. I was searching around for an example implementation of an iterator but I didn't find any. I know about the need for const overloads of [] and * operators. What are the requirements for an iterator to be "STL-s...
Scanner is skipping nextLine() after using next() or nextFoo()?
I am using the Scanner methods nextInt() and nextLine() for reading input.
19 Answers
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Why is sed not recognizing \t as a tab?
I am expecting this sed script to insert a tab in front of every line in $filename however it is not. For some reason it is inserting a t instead.
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