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JQuery popup text selector click events to choose
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School drop box: click event jQuery text selector popup to choose schools value assignment that contains code, JSP code and jQuery-1.4.2.min.js code
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Optimal power flow algorithm of Newton-Raphson
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Newton iterative method (the Newton's method), also known as the Newton-Raphson method (the Newton-Raphson method), which was introduced by Newton in the 17th century in the Reals and complex field approximation method for solving equations. Most equations formula of root does not exist, so the exact root is very difficult, if not impossible, to find the approximate root of equation is especially important. Method uses a function f (x) Taylor in front of a few to find the equation f (x) = 0. Newton-Raphson method is the root of equation is one important way, is its biggest advantage of the equation f (x) = 0 root around with quadratic convergence,
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Java database encryption and decryption
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The basic process of data encryption is to process the original plaintext file or data according to some algorithm, so that it becomes an unreadable code, which is usually called "ciphertext", so that it can only display the original content after inputting the corresponding key, so as to protect the data from being stolen and read by illegal people. The reverse process of this process is decryption, that is, the process of transforming the encoded information into its original data.
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