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Common programming mistakes for Clojure developers to avoid [closed]
What are some common mistakes made by Clojure developers, and how can we avoid them?
8 Answers
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Python loop that also accesses previous and next values
How can I iterate over a list of objects, accessing the previous, current, and next items? Like this C/C++ code, in Python?
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How should I have explained the difference between an Interface and an Abstract class?
...rviews, I have been asked to explain the difference between an Interface and an Abstract class .
30 Answers
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PHP DateTime::modify adding and subtracting months
I've been working a lot with the DateTime class and recently ran into what I thought was a bug when adding months. After a bit of research, it appears that it wasn't a bug, but instead working as intended. According to the documentation found here :
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Compare double to zero using epsilon
Today, I was looking through some C++ code (written by somebody else) and found this section:
11 Answers
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Why does auto a=1; compile in C?
... old C keyword that means "local scope". auto a is the same as auto int a, and because local scope is the default for a variable declared inside a function, it's also the same as int a in this example.
This keyword is actually a leftover from C's predecessor B, where there were no base types: every...
Difference between decimal, float and double in .NET?
What is the difference between decimal , float and double in .NET?
18 Answers
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Are list-comprehensions and functional functions faster than “for loops”?
... in Python, is a list-comprehension, or functions like map() , filter() and reduce() faster than a for loop? Why, technically, they run in a C speed , while the for loop runs in the python virtual machine speed ?.
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Circle line-segment collision detection algorithm?
I have a line from A to B and a circle positioned at C with the radius R.
27 Answers
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How to determine if a list of polygon points are in clockwise order?
...gth (x2-x1). Notice the sign convention in x. Try this with some triangles and you'll soon see how it works.
– Beta
Jul 27 '09 at 14:20
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