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Given two directory trees, how can I find out which files differ by content?
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You said Linux, so you luck out (at least it should be available, not sure when it was added):
diff --brief --recursive dir1/ dir2/ # GNU long options
diff -qr dir1/ dir2/ # common short options
Should do what you need.
If you also want to see differences for fil...
What is the most ridiculous pessimization you've seen? [closed]
We all know that premature optimization is the root of all evil because it leads to unreadable/unmaintainable code. Even worse is pessimization, when someone implements an "optimization" because they think it will be faster, but it ends up being slower, as well as being buggy, unmaintainable, etc...
What are best practices that you use when writing Objective-C and Cocoa? [closed]
I know about the HIG (which is quite handy!), but what programming practices do you use when writing Objective-C, and more specifically when using Cocoa (or CocoaTouch).
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HTTP test server accepting GET/POST requests
...sts for basic information via HTTP GET and also allows me to POST (even if it's really not doing anything). This is entirely for test purposes.
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Write to file, but overwrite it if it exists
How do I make it so it creates the file if it doesn't exist, but overwrites it if it already exists. Right now this script just appends.
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How to run Node.js as a background process and never die?
I connect to the linux server via putty SSH. I tried to run it as a background process like this:
14 Answers
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
... too. This is why summing integers in a list is O(log N) if given an infinite number of CPUs.
If you just look at the signatures there is no reason for reduce to exist because you can achieve everything you can with reduce with a foldLeft. The functionality of foldLeft is a greater than the funct...
How to completely remove node.js from Windows
...f node.js (0.8.11) and downloaded the latest, 0.10.24 from the node.js website and installed it. However, after running node --version , it still indicates that I'm running v0.8.11. Obviously, some stuff was left behind during the uninstall process, and it's causing me to have all sorts of errors w...
Monad in plain English? (For the OOP programmer with no FP background)
In terms that an OOP programmer would understand (without any functional programming background), what is a monad?
19 Answe...
If unit testing is so great, why aren't more companies doing it? [closed]
The first real software company that I worked at was all about the unit testing (NUnit). I don't know that we were real sticklers for it back then -- I have no idea what our code coverage was like and I was writing most of the unit tests. Since then I've run into some companies that do lots of testi...