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Shell - Write variable contents to a file
I would like to copy the contents of a variable (here called var ) into a file.
6 Answers
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Erasing elements from a vector
I want to clear a element from a vector using the erase method. But the problem here is that the element is not guaranteed to occur only once in the vector. It may be present multiple times and I need to clear all of them. My code is something like 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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B-Tree vs Hash Table
In MySQL, an index type is a b-tree, and access an element in a b-tree is in logarithmic amortized time O(log(n)) .
5 Answ...
How to 'grep' a continuous stream?
Is that possible to use grep on a continuous stream?
12 Answers
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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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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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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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