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What does the “Just” syntax mean in Haskell?
I have scoured the internet for an actual explanation of what this keyword does. Every Haskell tutorial that I have looked at just starts using it randomly and never explains what it does (and I've looked at many).
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Where and why do I have to put the “template” and “typename” keywords?
In templates, where and why do I have to put typename and template on dependent names?
What exactly are dependent names anyway?
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What is a “thread” (really)?
I have been trying to find a good definition, and get an understanding, of what a thread really is.
10 Answers
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PHP Pass by reference in foreach [duplicate]
I have this code:
9 Answers
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What does “coalgebra” mean in the context of programming?
I have heard the term "coalgebras" several times in functional programming and PLT circles, especially when the discussion is about objects, comonads, lenses, and such. Googling this term gives pages that give mathematical description of these structures which is pretty much incomprehensible to me. ...
Good MapReduce examples [closed]
I couldn't think of any good examples other than the "how to count words in a long text with MapReduce" task. I found this wasn't the best example to give others an impression of how powerful this tool can be.
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Searching for UUIDs in text with regex
I'm searching for UUIDs in blocks of text using a regex. Currently I'm relying on the assumption that all UUIDs will follow a patttern of 8-4-4-4-12 hexadecimal digits.
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What is a stream?
What is a stream in the programming world? Why do we need it?
6 Answers
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Copy constructor for a class with unique_ptr
How do I implement a copy constructor for a class that has a unique_ptr member variable? I am only considering C++11.
6 A...
Regular vs Context Free Grammars
I'm studying for my computing languages test, and there's one idea I'm having problems wrapping my head around.
8 Answe...