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OAuth 2.0: Benefits and use cases — why?

Could anyone explain what's good about OAuth2 and why we should implement it? I ask because I'm a bit confused about it — here's my current thoughts: ...
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LINQ Aggregate algorithm explained

... The easiest-to-understand definition of Aggregate is that it performs an operation on each element of the list taking into account the operations that have gone before. That is to say it performs the action on the first and second element and carr...
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How to detect Safari, Chrome, IE, Firefox and Opera browser?

I have 5 addons/extensions for FF, Chrome, IE, Opera, and Safari. 24 Answers 24 ...
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How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?

...2. Finally, to install the new ruby version, just run rvm install 1.9.2 - and wait for it to compile! share | improve this answer | follow | ...
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Finding three elements in an array whose sum is closest to a given number

Given an array of integers, A 1 , A 2 , ..., A n , including negatives and positives, and another integer S. Now we need to find three different integers in the array, whose sum is closest to the given integer S. If there exists more than one solution, any of them is ok. ...
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How do I get the number of days between two dates in JavaScript?

... Here is a quick and dirty implementation of datediff, as a proof of concept to solve the problem as presented in the question. It relies on the fact that you can get the elapsed milliseconds between two dates by subtracting them, which coerc...
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Python 3: UnboundLocalError: local variable referenced before assignment [duplicate]

...ather than relying on Globals def function(Var1, Var2): if Var2 == 0 and Var1 > 0: print("Result One") elif Var2 == 1 and Var1 > 0: print("Result Two") elif Var1 < 1: print("Result Three") return Var1 - 1 function(1, 1) ...
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What is the meaning of “POSIX”?

What is POSIX? I have read the Wikipedia article and I read it every time I encounter the term. The fact is that I never really understood what it is. ...
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Declaration/definition of variables locations in ObjectiveC?

Ever since starting to work on iOS apps and objective C I've been really puzzled by the different locations where one could be declaring and defining variables. On one hand we have the traditional C approach, on the other we have the new ObjectiveC directives that add OO on top of that. Could you fo...
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What is the significance of load factor in HashMap?

HashMap has two important properties: size and load factor . I went through the Java documentation and it says 0.75f is the initial load factor. But I can't find the actual use of it. ...