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Why do Lua arrays(tables) start at 1 instead of 0?
I don't understand the rationale behind the decision of this part of Lua. Why does indexing start at 1? I have read (as many others did) this great paper . It seems to me a strange corner of a language that is very pleasant to learn and program. Don't get me wrong, Lua is just great but there has t...
Python assigning multiple variables to same value? list behavior
...he behavior, I expect to reassign the values list separately, I mean b[0] and c[0] equal 0 as before.
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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...
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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How is OAuth 2 different from OAuth 1?
In very simple terms, can someone explain the difference between OAuth 2 and OAuth 1?
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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...
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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SQL query return data from multiple tables
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Part 1 - Joins and Unions
This answer covers:
Part 1
Joining two or more tables using an inner join (See the wikipedia entry for additional info)
How to use a union query
Left and Right Outer Joins (this stackOverflow answer is excelle...