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What is recursion and when should I use it?
One of the topics that seems to come up regularly on mailing lists and online discussions is the merits (or lack thereof) of doing a Computer Science Degree. An argument that seems to come up time and again for the negative party is that they have been coding for some number of years and they have n...
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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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 are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
All of these provide binary serialization, RPC frameworks and IDL. I'm interested in key differences between them and characteristics (performance, ease of use, programming languages support).
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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...
Why are elementwise additions much faster in separate loops than in a combined loop?
Suppose a1 , b1 , c1 , and d1 point to heap memory and my numerical code has the following core loop.
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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?
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Passing parameters to a Bash function
...h function, but what comes up is always how to pass parameter from the command line.
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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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