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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...
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...
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...
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...
Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?
...ccess the response body via response.getOutputStream() or response.getWriter() . Should one call .close() on this OutputStream after it has been written to?
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Why is printing to stdout so slow? Can it be sped up?
I've always been amazed/frustrated with how long it takes to simply output to the terminal with a print statement. After some recent painfully slow logging I decided to look into it and was quite surprised to find that almost all the time spent is waiting for the terminal to process the results.
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presentViewController:animated:YES view will not appear until user taps again
I'm getting some strange behaviour with presentViewController:animated:completion . What I'm making is essentially a guessing game.
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How do you 'redo' changes after 'undo' with Emacs?
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Short version: by undoing the undo. If you undo, and then do a non-editing command such as C-f, then the next undo will undo the undo, resulting in a redo.
Longer version:
You can think of undo as operating on a stack of operations. If you perform some command (even a navigation command such...