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Rolling or sliding window iterator?

...m,) yield result The one from the docs is a little more succinct and uses itertools to greater effect I imagine. share | improve this answer | follow ...
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Git keeps asking me for my ssh key passphrase

...ed keys as instructed in the github tutorial, registered them with github, and tried using ssh-agent explicitly — yet git continues to ask me for my passphrase every time I try to do a pull or a push. ...
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Can someone explain the traverse function in Haskell?

I am trying and failing to grok the traverse function from Data.Traversable . I am unable to see its point. Since I come from an imperative background, can someone please explain it to me in terms of an imperative loop? Pseudo-code would be much appreciated. Thanks. ...
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How do I sort a dictionary by value?

... a dictionary of values read from two fields in a database: a string field and a numeric field. The string field is unique, so that is the key of the dictionary. ...
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Base64 encoding and decoding in client-side Javascript

Are there any methods in JavaScript that could be used to encode and decode a string using base64 encoding? 13 Answers ...
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How do I clear/delete the current line in terminal?

If I'm using terminal and typing in a line of text for a command, is there a hotkey or any way to clear/delete that line? 1...
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How to convert a char array back to a string?

... No, that solution is absolutely correct and very minimal. Note however, that this is a very unusual situation: Because String is handled specially in Java, even "foo" is actually a String. So the need for splitting a String into individual chars and join them bac...
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Algorithm to find Largest prime factor of a number

...factorisation. It makes use of the identity N = (a + b)(a - b) = a^2 - b^2 and is easy to understand and implement. Unfortunately it's not very fast in general. The best known method for factoring numbers up to 100 digits long is the Quadratic sieve. As a bonus, part of the algorithm is easily done...
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Ruby, !! operator (a/k/a the double-bang) [duplicate]

...including Ruby, ! will return the opposite of the boolean value of the operand. So when you chain two exclamation marks together, it converts the value to a boolean. share | improve this answer ...
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What is wrong with using goto? [duplicate]

I was ramdomming through xkcd and saw this one (if also read some negative texts about them some years ago): What is actually wrong with it? Why are goto's even possible in C++ then? ...