DeoluA’s gists

DeoluA / numberSort.js

Created December 30, 2022 20:05

Sort an array of integers in O(n) time. Array can also contain negative integers.

	'use strict';
	/**
	* @param raw_numbers: an array of integer values. Can either be positive or negative
	* @return: sorted array, from negative to positive
	*/
	const sortArrayOfIntegers = (raw_numbers) => {
	let positives = {}, negatives = {};
	for(let m = 0; m < raw_numbers.length; m++) {
	if(raw_numbers[m] >= 0) {
	// has it occured before?

DeoluA / beforeUploadFunc.js

Last active March 22, 2024 12:24

Ant Design - Check the file type, file size and image dimensions before upload

	// plugged in this answer from S.O. - https://stackoverflow.com/a/8904008/5172977

	// import { Upload } from 'antd';

	// function returns a promise
	beforeUpload = (file) => {
	return new Promise((resolve, reject) => {
	// check the file type - you can specify the types you'd like here:
	const isImg = file.type === 'image/jpeg' \|\| file.type === 'image/jpg' \|\| file.type === 'image/png' \|\| file.type === 'image/gif';
	if (!isImg) {

DeoluA / rand_hex_col_gen.js

Created June 7, 2019 17:35

JavaScript Random Colour/Color Generator (Hex values)

	var rand_hex_col_gen = function(){

	// do the numbers first
	var options = [];
	for(var i=0; i<10; i++){
	options.push(i.toString());
	};

	// add letters
	options = [].concat.apply(options, ["a", "b", "c", "d", "e", "f"]);

DeoluA / normal_cdf.js

Last active January 5, 2019 15:53

JavaScript Implementation of Error Function and Normal Cumulative Density Function

	// https://interactive.deolua.com/normal-dist

	/*
	*@param number x - the value for which the cumulative probability value is desired
	*@param number mean_val - the value of the mean of the distribution
	*@param number sd_val_sqrd - the value of the SQUARE of the standard deviation of the distribution
	*/

	var normal_cdf = function(x, mean_val, sd_val_sqrd){
	var err_input = (x - mean_val)/(Math.sqrt(2 * sd_val_sqrd));

DeoluA / normal_pdf.js

Created January 5, 2019 14:10

JavaScript implementation of the Normal Probability Density Function

	// https://interactive.deolua.com/normal-dist

	/*
	*@param number x - the value for which the probability value is desired
	*@param number mean_val - the value of the mean of the distribution
	*@param number sd_val_sqrd - the value of the SQUARE of the standard deviation of the distribution
	*/

	var pdf_formula = function(x, mean_val, sd_val_sqrd){
	var numer = (x - mean_val)**2;

DeoluA / softmax.R

Created June 12, 2017 20:48 — forked from aufrank/softmax.R

DeoluA / wordFreqWithLodash.html

Last active September 9, 2018 06:48

Get the frequency of words in a string using Lodash. AngularJS is used here for interactive functionality.

	<!DOCTYPE html>
	<head>
	<script type="text/javascript" src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.4/lodash.min.js'></script>
	<script type="text/javascript" src='https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.6.1/angular.min.js'></script>
	<script type="text/javascript" src='wordFreq.js'></script>
	</head>

	<body ng-app='wordFreqApp'>
	<div ng-controller='wordFreqCtrl'>
	<h2>Input something below</h2>

DeoluA / common-sci-symbols.md

Created December 10, 2015 08:31 — forked from benmarwick/common-sci-symbols.md

Commonly used scientific symbols in pandoc markdown

encoding is UTF-8, needs pdflatex

per mille sign

delta sign

DeoluA / server.R

Created October 23, 2015 13:57 — forked from withr/server.R

Encrypt password with md5 for Shiny-app.

	library(shiny)
	library(datasets)
	Logged = FALSE;
	PASSWORD <- data.frame(Brukernavn = "withr", Passord = "25d55ad283aa400af464c76d713c07ad")
	# Define server logic required to summarize and view the selected dataset
	shinyServer(function(input, output) {
	source("www/Login.R", local = TRUE)

	observe({
	if (USER$Logged == TRUE) {