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What is a plain English explanation of “Big O” notation?
I'd prefer as little formal definition as possible and simple mathematics.
41 Answers
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What's the difference between eval, exec, and compile?
I've been looking at dynamic evaluation of Python code, and come across the eval() and compile() functions, and the exec statement.
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What is difference between functional and imperative programming languages?
...object-oriented programming (OOP) languages such as C#, Visual Basic, C++, and Java were designed to primarily support imperative (procedural) programming, whereas Haskell/gofer like languages are purely functional. Can anybody elaborate on what is the difference between these two ways of programmin...
How is OAuth 2 different from OAuth 1?
In very simple terms, can someone explain the difference between OAuth 2 and OAuth 1?
10 Answers
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How can I determine whether a 2D Point is within a Polygon?
..., but macOS for example uses float for everything. macOS only knows points and a point can translate to one pixel, but depending on monitor resolution, it might translate to something else. On retina screens half a point (0.5/0.5) is pixel. Still, I never noticed that macOS UIs are significantly slo...
Passing parameters to a Bash function
...h function, but what comes up is always how to pass parameter from the command line.
7 Answers
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How to calculate the angle between a line and the horizontal axis?
...on, C#, etc) I need to determine how to calculate the angle between a line and the horizontal axis?
9 Answers
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How to calculate “time ago” in Java?
In Ruby on Rails, there is a feature that allows you to take any Date and print out how "long ago" it was.
30 Answers
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What's the difference between a proc and a lambda in Ruby?
And when would you use one rather than the other?
8 Answers
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Evenly distributing n points on a sphere
...le code node[k] is just the kth node. You are generating an array N points and node[k] is the kth (from 0 to N-1). If that is all that is confusing you, hopefully you can use that now.
(in other words, k is an array of size N that is defined before the code fragment starts, and which contains a lis...