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Database Design for Tagging

How would you design a database to support the following tagging features: 12 Answers ...
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jQuery: Return data after ajax call success [duplicate]

I have something like this, where it is a simple call to a script that gives me back a value, a string.. 5 Answers ...
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Why is using a wild card with a Java import statement bad?

It is much more convenient and cleaner to use a single statement like 15 Answers 15 ...
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What can you use Python generator functions for?

I'm starting to learn Python and I've come across generator functions, those that have a yield statement in them. I want to know what types of problems that these functions are really good at solving. ...
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How do I create a list of random numbers without duplicates?

I tried using random.randint(0, 100) , but some numbers were the same. Is there a method/module to create a list unique random numbers? ...
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How do I use the lines of a file as arguments of a command?

Say, I have a file foo.txt specifying N arguments 10 Answers 10 ...
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Add a property to a JavaScript object using a variable as the name?

I'm pulling items out of the DOM with jQuery and want to set a property on an object using the id of the DOM element. 13...
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Why do we use __init__ in Python classes?

I am having trouble understanding the Initialization of classes. 8 Answers 8 ...
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The smallest difference between 2 Angles

Given 2 angles in the range -PI -> PI around a coordinate, what is the value of the smallest of the 2 angles between them? ...
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What's the scope of the “using” declaration in C++?

I'm using the 'using' declaration in C++ to add std::string and std::vector to the local namespace (to save typing unnecessary 'std::'s). ...