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How does MongoDB sort records when no sort order is specified?
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How do I use vi keys in ipython under *nix?
Currently in Bash I use set -o vi to enable vi mode in my bash prompt.
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Grepping a huge file (80GB) any way to speed it up?
This has been running for an hour on a fairly powerful linux server which is otherwise not overloaded.
Any alternative to grep? Anything about my syntax that can be improved, (egrep,fgrep better?)
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Functional programming - is immutability expensive? [closed]
The question is in two parts. The first is conceptual. The next looks at the same question more concretely in Scala.
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Simple calculations for working with lat/lon and km distance?
Is there a simple calculation I can do which will convert km into a value which I can add to a lat or lon float to calculate a bounding box for searches? It doesn't need to be completely accurate.
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Search in all files in a project in Sublime Text 3
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How do I automatically update a timestamp in PostgreSQL
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Why doesn't print work in a lambda?
Why doesn't this work?
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How to avoid long nesting of asynchronous functions in Node.js
I want to make a page that displays some data from a DB, so I have created some functions that get that data from my DB. I'm just a newbie in Node.js, so as far as I understand, if I want to use all of them in a single page (HTTP response) I'd have to nest them all:
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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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