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usethe.computer
| | typesanitizer.com
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| | An informal survey of the design space for ad-hoc polymorphism in a programming language.
| | blog.alexdevero.com
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| | Learn about the 4 principles of object-oriented programming. Learn how encapsulation, inheritance, polymorphism and abstraction work and how to use each.
| | noelwelsh.com
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| | mikespivey.wordpress.com
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| Equations of the form $latex x^3 = y^2 + k$ are called Mordell equations. In this post we're going to prove that the equation $latex x^3 = y^2 -7$ has no integer solutions, using (with one exception) nothing more complicated than congruences. Theorem: There are no integer solutions to the equation $latex x^3 = y^2...