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List columns with indexes in PostgreSQL

I would like to get the columns that an index is on in PostgreSQL. 23 Answers 23 ...
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TCP vs UDP on video stream

I just came home from my exam in network-programming, and one of the question they asked us was "If you are going to stream video, would you use TCP or UDP? Give an explanation for both stored video and live video-streams" . To this question they simply expected a short answer of TCP for stored vid...
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Tables instead of DIVs [duplicate]

Under what conditions should you choose tables instead of DIVs in HTML coding? 24 Answers ...
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How can I remove the search bar and footer added by the jQuery DataTables plugin?

I am using jQuery DataTables . 18 Answers 18 ...
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Using i and j as variables in Matlab

... Because i and j are both functions denoting the imaginary unit: http://www.mathworks.co.uk/help/matlab/ref/i.html http://www.mathworks.co.uk/help/matlab/ref/j.html So a variable called i or j will override them, potentially silently breaking code that does comp...
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Check if a number is int or float

... Use isinstance. >>> x = 12 >>> isinstance(x, int) True >>> y = 12.0 >>> isinstance(y, float) True So: >>> if isinstance(x, int): print 'x is a int!' x is a int! _EDIT:_ A...
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Why JavaScript rather than a standard browser virtual machine?

... languages (Java, Python, Ruby, etc.) by way of a standardized virtual machine hosted in the browser rather than requiring the use of a specialized language -- really, a specialized paradigm -- for client scripting only? ...
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How do I get started with Node.js [closed]

... You can follow these tutorials to get started Tutorials NodeSchool.io interactive lessons The Art of Node (an introduction to Node.js) Hello World Hello World Web Server (paid) Node.js guide Build a blog with Node.js, express and MongoDB Node.js for Beginners Learn Node.js Completely and...
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How do you add Boost libraries in CMakeLists.txt?

I need to add Boost libraries into my CMakeLists.txt. How do you do it or how do you add it? 7 Answers ...
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Detecting an undefined object property

What's the best way of checking if an object property in JavaScript is undefined? 46 Answers ...