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Agustin Mendezmenduz

Created Jun 2, 2017
Softmax
View softmax.js
 function softmax(output) { var maximum = output.reduce(function(p,c) { return p>c ? p : c; }); var nominators = output.map(function(e) { return Math.exp(e - maximum); }); var denominator = nominators.reduce(function (p, c) { return p + c; }); var softmax = nominators.map(function(e) { return e / denominator; }); var maxIndex = 0; softmax.reduce(function(p,c,i){if(p
Created Aug 14, 2017
View Poller.java
 package com.mulesoft.bat; /* * * Copyright 2013 Netflix, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0
Created Oct 11, 2017
DataWeave prime number generator
View transform.dwl
 %dw 2.0 output application/json import some from dw::core::Arrays fun isPrime(num: Number): Boolean = do { // try primes <= 16 if (num <= 16) (num == 2) or (num == 3) or (num == 5) or (num == 7) or (num == 11) or (num == 13) else if ( // cull multiples of 2, 3, 5 or 7
Created Oct 20, 2017
POST-dollar-sign
View infix-fn-call.dwl
 [1,2] map (item, index) -> (item * 10 + index)
Last active Nov 6, 2017
Calculate PI using DataWeave
View pi.dwl
 /** * This function returns a stream. We first populate the stream with a head value, * and a lazy tail. * In this case, we tell the engine the tail is a function call. * That function call will be not be executed UNTIL the value of that call is needed. */ fun leibnizTerm(n: Number = 0): Array = [4 / (n + 1) - 4 / (n + 3) ~ leibnizTerm(n + 4)] // ^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ // head lazy tail
Created Nov 6, 2017
Standard deviation in DataWeave
View stddev.dwl
 fun stdDev(values: Array): Number = do { var average = avg(values) var squareDiffs = values map do { var diff = \$ - average --- diff * diff } --- sqrt(avg(squareDiffs)) }
Created Nov 6, 2017
DataWeave SMA
View sma.dwl
 %dw 2.0 output application/json fun sma(list: Array, window: Number) = 0 to (sizeOf(list) - window) map (\$ to \$ + window - 1) map avg(list[\$]) --- sma([90, 40, 45, 100, 101], 2)
Created Nov 7, 2017
DataWeave Y Combinator
View Y_Combinator.dwl
 fun Y(f) = do { var x = ((h) -> (arguments) -> using(g = f(h(h))) g(arguments)) (((h) -> (arguments) -> using(g = f(h(h))) g(arguments))) --- f(x) }
Last active Nov 10, 2017
FindIndex in DataWeave
View findIndex.dwl
 fun indexOf(array: Array, elem: T, carry: Number = 0): Number = array match { case [] -> -1 case [head ~ tail] -> if(head == elem) carry else findIndex(tail, elem, carry + 1) }
Last active Nov 11, 2017
TDD in DataWeave
View QueryString.dwl
 %dw 2.0 output application/json // See the documentation for this functions import decodeURI, decodeURIComponent, encodeURI, encodeURIComponent from dw::core::URL // Step 1) Enter http://rebrand.ly/dwl-2-playground // Step 2) Copy and paste this code in the transformation editor // You now will see the results in the right pane // Step 3) Implement the parse(str) function // Once you make a test pass, that test will dissapear
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