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//I made a function that calculates the average color of a given image resource and returns it in "#rrggbb" format (hex):

function average($img) {
    $w = imagesx($img);
    $h = imagesy($img);
    $r = $g = $b = 0;
    for($y = 0; $y < $h; $y++) {
        for($x = 0; $x < $w; $x++) {
            $rgb = imagecolorat($img, $x, $y);
            $r += $rgb >> 16;

arguiot

//Create a Night version of any website
body { zoom: 100%; } * { background: #111111 !important; color: #ABABAB !important; } :link, :link * { color: #DBDBDC !important } :visited, :visited * { color: #5B5B5B !important }

arguiot

2 =1+1
2 = 1 + (−1) * (−1)
2 = 1 + (e^πi)^2
2 = (e^πi)^2 +(e^πi)^2 
2 = (eπi)^4
4 root (2)=e^πi
4 root (2) = −1
2 = −1^4 
2 = 1

arguiot

// This will give you the distance between 2 or 3 (depends how many axis you have) points on a cartesian plane
// © Arthur Guiot 2017


// Sqare Root algorithm based on babylonian method
// @param n - the number to compute the square root of
// @param g - the best guess so far (can omit from initial call)
const squareroot = (n, g) => {
    if (!g) {
        // Take an initial guess at the square root

arguiot

// Add Display.js
<script src="https://unpkg.com/display.js"></script>

arguiot

import numpy as np
import matplotlib.pyplot as plt
import sympy as sp
import progressbar

def numOfPrimesBellow(n):
#   primeArray = []
# 	for i in range(n):
# 		if i in sp.sieve:
# 			primeArray.append(i)

arguiot

class DisplayJS{constructor(a){this.obj=a}var(a){const b=()=>{this.if(),this.else();const a=document.querySelectorAll("[var]");for(let b=0;b<a.length;b++){const c=a[b].getAttribute("var");a[b].innerHTML=this.obj[c]}};a?!0==a?(b(),this.live(this.obj,()=>{b()})):window.setInterval(()=>{b()},a):b()}xss(a){const b=/</g,c=/>/g,d=/'/g,e=/"/g;return a.toString().replace(b,"&lt;").replace(c,"&gt;").replace(d,"&#39;").replace(e,"&#34;")}xssURI(a){return encodeURI(a)}target(b=()=>{this.var()}){const c=(()=>{return document.addEventListener?(a,b,c)=>{a.addEventListener(b,c,!1)}:(a,b,c)=>{a.attachEvent(`on${b}`,c)}})(),d=this.obj;[].forEach.call(document.querySelectorAll("[target]"),(e,f,g)=>{c(g[f],"change",function(){const a=g[f].getAttribute("target");d[a]="checkbox"==this.type?this.checked:this.value,b()}),c(g[f],"keydown",function(){const a=g[f].getAttribute("target");d[a]="checkbox"==this.type?this.checked:this.value,b()}),c(g[f],"input",function(){const a=g[f].getAttribute("target");d[a]="checkbox"==this.type?this

arguiot

function sha256(s) {
    const chrsz = 8;
    const hexcase = 0;

    function safe_add(x, y) {
        const lsw = (x & 0xFFFF) + (y & 0xFFFF);
        const msw = (x >> 16) + (y >> 16) + (lsw >> 16);
        return (msw << 16) | (lsw & 0xFFFF);
    }
    function S(X, n) {

arguiot

const XORCipher = {
    encode(key, data) {
        data = xor_encrypt(key, new String(data).split(""));
        return b64_encode(data);
    },
    decode(key, data) {
        data = b64_decode(data);
        return xor_decrypt(key, new String(data).split(""));
    }
};

arguiot

window["netData"] = {
  "layers": [
    {
      "0": {},
      "1": {},
      "2": {},
      "3": {},
      "4": {},
      "5": {},
      "6": {},