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Underscore: sortBy() based on multiple attributes

...atient[0].roomNumber; }).value(); When the second sortBy finds that John and Lisa have the same room number it will keep them in the order it found them, which the first sortBy set to "Lisa, John". share | ...
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jQuery deferreds and promises - .then() vs .done()

I've been reading about jQuery deferreds and promises and I can't see the difference between using .then() & .done() for successful callbacks. I know Eric Hynds mentions that .done() and .success() map to the same functionality but I'm guessing so does .then() as all the callbacks are al...
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Using python map and other functional tools

This is quite n00bish, but I'm trying to learn/understand functional programming in python. The following code: 9 Answers ...
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Is there a valid reason for enforcing a maximum width of 80 characters in a code file, this day and

... column rule: To avoid wrapping when copying code into email, web pages, and books. To view multiple source windows side-by-side or using a side-by-side diff viewer. To improve readability. Narrow code can be read quickly without having to scan your eyes from side to side. I think the last point...
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Proper stack and heap usage in C++?

I've been programming for a while but It's been mostly Java and C#. I've never actually had to manage memory on my own. I recently began programming in C++ and I'm a little confused as to when I should store things on the stack and when to store them on the heap. ...
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Is there a difference between foreach and map?

...n a particular language, but is there a difference between a map operation and a foreach operation? Or are they simply different names for the same thing? ...
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F# development and unit testing?

... first functional language. I have been working quasi-exclusively with C#, and enjoy a lot how F# leads me to re-think how I write code. One aspect I find a bit disorienting is the change in the process of writing code. I have been using TDD for years in C# now, and really appreciate to have unit te...
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An efficient way to transpose a file in Bash

... more explicit variable names will help answer some of the questions below and generally clarify what the script is doing. It also uses tabs as the separator which the OP had originally asked for so it'd handle empty fields and it coincidentally pretties-up the output a bit for this particular case....
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Temporarily put away uncommitted changes in Subversion (a la “git-stash”)

... When I've got uncommitted changes from one task in my working copy and I need to switch to another task, I do one of two things: Check out a new working copy for the second task. or Start a branch: workingcopy$ svn copy CURRENT_URL_OF_WORKING_COPY SOME_BRANCH workingcopy$ svn switch SOME...
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What is Weak Head Normal Form?

...es Weak Head Normal Form (WHNF) mean? What does Head Normal form (HNF) and Normal Form (NF) mean? 6 Answers ...