oliverjumpertz

// SPDX-License-Identifier: MIT

pragma solidity >=0.7.0 <0.9.0;

import "https://raw.githubusercontent.com/OpenZeppelin/openzeppelin-contracts/master/contracts/token/ERC721/ERC721.sol";
import "https://raw.githubusercontent.com/OpenZeppelin/openzeppelin-contracts/master/contracts/utils/Counters.sol";
import "https://raw.githubusercontent.com/OpenZeppelin/openzeppelin-contracts/master/contracts/access/AccessControl.sol";
import "https://raw.githubusercontent.com/OpenZeppelin/openzeppelin-contracts/master/contracts/utils/Context.sol";

contract MyNFT is Context, AccessControl, ERC721 {

oliverjumpertz

function simpleMovingAverage(prices, window = 5, n = Infinity) {
  if (!prices || prices.length < window) {
    return [];
  }

  let index = window - 1;
  const length = prices.length + 1;

  const simpleMovingAverages = [];

oliverjumpertz

const inputArray = [
  {
    squareMeters: 200,
    priceInDollars: 190000
  },
  {
    squareMeters: 100,
    priceInDollars: 90000
  },
  {

oliverjumpertz

<dialog open>
  <form method="dialog">
    <p>Do you want to confirm your action?</p>
    <div class="right">
      <input class="btn" type="submit" value="Ok" />
      <input class ="btn" type="submit" value="Cancel" />
    </div>
  </form>
</dialog>

oliverjumpertz

function getCheering(followers) {
  // If you were to switch over followers, you'd be surprised,
  // because you'd always hit the default case.
  // By switching over true, all cases get evaluated properly, although they
  // contain numeric ranges!
  switch (true) {
    case followers >= 2000:
      return "Wow, I'm speechless. I'm so happy, thank you!!!";
    case followers >= 1000:
      return "Wow, this is so great!";

oliverjumpertz

// Iterating over the array with each individual element at hand while separately
// keeping track of the index.
let i = 0;
for (const element of array) {
  console.log(i++, element);
}

oliverjumpertz

const dict = {};
dict.__proto__; // => {}
console.log(dict.hasOwnProperty); // => f hasOwnProperty() {}

const emptyDict = Object.create(null);
emptyDict.__proto__; // => undefined
emptyDict.hasOwnProperty; // => undefined


// ❗️ Anyone can modify the object prototype from the outside

oliverjumpertz

FROM public.ecr.aws/lambda/nodejs:12

COPY package*.json ./
RUN npm install
COPY index.js ./

CMD [ "index.handler" ]

oliverjumpertz

node_modules/
README.md

oliverjumpertz

type AnyFunc = (...args: any) => any;

export function once(func: AnyFunc): AnyFunc {
  let alreadyCalled = false;
  return (...args: any[]): any => {
    if (alreadyCalled) {
      return undefined;
    }

    alreadyCalled = true;