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#!/usr/bin/env bash

####
# Copyright (c) 2016-2021
#   Jakob Westhoff <jakob@westhoffswelt.de>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#  - Redistributions of source code must retain the above copyright notice, this

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// TODO: make `pages` optional and measure the div when unspecified, this will
// allow more normal document flow and make it easier to do both mobile and
// desktop.
import {
  createContext,
  useCallback,
  useContext,
  useEffect,
  useMemo,
  useRef,

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const paragraph =
  'If you want to jumpstart the process of talking to us about this role, here’s a little challenge: write a program that outputs the largest unique set of characters that can be removed from this paragraph without letting its length drop below 50.';

// First we'll take the set of unique characters

const uniqueCharacters = str => {
  const chars = [];
  str.split('').forEach(char => {
    if (!chars.includes(char)) {
      chars.push(char);

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Hooks! 🎣

Resources

Docs

• React Hooks API Reference
  • Is it safe to omit functions from the list of dependencies? [link] (no.)
  • What can I do if my effect dependencies change too often? [link]
  • Functional updates [link]
• Using the Effect Hook [link]

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/**
 * A Canvas2D + SVG Pen Plotter example of "Cubic Disarray"
 * (a recreation of an artwork by Georg Nees in 1968-71).
 *
 * @author Stephane Tombeur (https://github.com/stombeur)
 */

const canvasSketch = require("canvas-sketch");
const { polylinesToSVG } = require("canvas-sketch-util/penplot");
const pickRandom = require("canvas-sketch-util/random");

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version: 2.1
orbs:
  cypress: cypress-io/cypress@1
  slack: circleci/slack@3.3.0

workflows:
  run_cypress:
    triggers:
      - schedule:
          cron: "30 11 * * *"

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React Testing Library notes

• Intro

Queries

• getByTestId, or which query should I use?
• query cheatsheet
• API reference for all queries

Assertions and custom matchers

• regular old jest matchers: https://jestjs.io/docs/en/expect#expectvalue

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const readline = require('readline');
const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout,
});

let board = [[' ', ' ', ' '], [' ', ' ', ' '], [' ', ' ', ' ']];
let currentPlayer = 'x';
const charMap = {
  A: 0,

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// cracklepop.js
 
let message;
const arr = [...Array(101).keys()];
arr.shift();
 
arr.forEach((num) => {
  if (!(num % 3) && !(num % 5)) {
    message = 'CracklePop';
  } else if (!(num % 3)) {

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jobs:
  execute_test_runner:
    steps:
      - attach_workspace:
          at: /root/workspace
      - run:
          name: Running test suite
          command: |
            if npm run test -- --outputFile test-results.json --json ; then
              echo 'export TESTS_PASS=true' >> $BASH_ENV