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Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)

I have read the quote : data depends on the key [1NF], the whole key [2NF] and nothing but the key [3NF] . 6 Answers ...
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Creating Multifield Indexes in Mongoose / MongoDB

I'm trying to find documentation, to no avail, on how to create multi-field indexes in Mongoosejs. In particular I have two fields that need to be indexed and unique. What is an example mongoose schema that indexes two fields together? ...
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Find out how much memory is being used by an object in Python [duplicate]

How would you go about finding out how much memory is being used by an object? I know it is possible to find out how much is used by a block of code, but not by an instantiated object (anytime during its life), which is what I want. ...
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Submitting HTML form using Jquery AJAX

Im trying to submit a HTML form using AJAX using this example . 3 Answers 3 ...
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Hamcrest compare collections

I'm trying to compare 2 lists: 7 Answers 7 ...
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Convert a python 'type' object to a string

I'm wondering how to convert a python 'type' object into a string using python's reflective capabilities. 5 Answers ...
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Forking vs. Branching in GitHub

I'd like to know more about the advantages and disadvantages of forking a github project vs. creating a branch of a github project. ...
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Does R have an assert statement as in python?

a statement that checks if something is true and if not prints a given error message and exits 3 Answers ...
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C# vs Java generics [duplicate]

I have heard that the Java implementation of Generics is not as good as the C# implementation. In that the syntax looks similar, what is it that is substandard about the Java implementation, or is it a religious point of view? ...
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How to convert vector to array

How do I convert a std::vector<double> to a double array[] ? 10 Answers 10 ...