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Map Tiling Algorithm
I'm making a tile based RPG with Javascript, using perlin noise heightmaps, then assigning a tile type based on the height of the noise.
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What is an existential type?
I read through the Wikipedia article Existential types . I gathered that they're called existential types because of the existential operator (∃). I'm not sure what the point of it is, though. What's the difference between
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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?
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u'\ufeff' in Python string
I get an error with the following patter:
6 Answers
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Why doesn't Java offer operator overloading?
Coming from C++ to Java, the obvious unanswered question is why didn't Java include operator overloading?
16 Answers
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How would you implement an LRU cache in Java?
Please don't say EHCache or OSCache, etc. Assume for purposes of this question that I want to implement my own using just the SDK (learning by doing). Given that the cache will be used in a multithreaded environment, which datastructures would you use? I've already implemented one using LinkedHashM...
SQL JOIN and different types of JOINs
What is a SQL JOIN and what are different types?
6 Answers
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How do I clone a subdirectory only of a Git repository?
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18 Answers
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What and where are the stack and heap?
Programming language books explain that value types are created on the stack , and reference types are created on the heap , without explaining what these two things are. I haven't read a clear explanation of this. I understand what a stack is. But,
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Any reason why scala does not explicitly support dependent types?
There are path dependent types and I think it is possible to express almost all the features of such languages as Epigram or Agda in Scala, but I'm wondering why Scala does not support this more explicitly like it does very nicely in other areas (say, DSLs) ?
Anything I'm missing like "it is not n...