CS 100 :: Spring 2026 :: In-Class Links

This is where Dave will be posting links to content used within the lectures and assignments.

A † indicates that it was not shown in class, but you may want to check it out if you're interested (you are not required to).

AI Lab 1 (Friday July 24, 2026)

• Lab One - Pentominos
  ai-lab-1a
• Lab One - Path Finding
  ai-lab-1b

Lecture 22 (Thursday July 23, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/406170939
• AlphaGo - The Movie†
  YouTube
  

Lecture 21 (Tuesday July 21, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/456797213
• Ubongo Online:
  ELO Games

Assignment 4

• Quiz Template:
  quiz.html (right-click save as...)

Lab (Friday July 17, 2026)

• Starter lab file:
  lab-quiz.html (right-click save as...)

Lecture 20 (Thursday July 16, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/445696869
• CS 100 Counter (with cookies):
  https://student.cs.uwaterloo.ca/~cs100/count/
• Chrome Browser Cookies
  chrome://settings/cookies
• Cookie Clicker (Throwback Thursdays)†
  https://orteil.dashnet.org/cookieclicker/
• Google Ad Center
  https://myadcenter.google.com/controls
• Your Battery Level†
  battery.html
• UW Weather:
  http://weather.uwaterloo.ca/waterloo_weather_station_data.xml
• Background communication example
  ajax.html
• Browser Extension Example
  waterpoo.zip
  
  • Download and extract the ZIP
  • Go to chrome://extensions/
  • Turn on Developer mode
  • Click Load unpacked
  • Select the unzipped folder

Lecture 19 (Tuesday July 14, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/461527492
• What HTTP header is my browser sending?
  https://www.whatismybrowser.com/detect/what-http-headers-is-my-browser-sending
• Alert:
  alert.html
• Today:
  today.html
• Count:
  count.html
• Boxes:
  boxes.html
• Lights:
  https://helloenjoy.itch.io/lights

Lecture 18 (Thursday July 9, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/439134001
• Google Fonts
  https://fonts.google.com/knowledge
• Font Fallbacks
  https://www.w3schools.com/css/css_font_fallbacks.asp
• Free book on fonts (provided by google)†
  Stop Stealing Sheep

Lecture 17 (Thursday July 7, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/415010491
• W3 Schools (CSS)
  https://www.w3schools.com/css/
• CSS Validator
  https://jigsaw.w3.org/css-validator/

Lecture 16 (Thursday July 2, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/451016268
• test email link:
  href="mailto:cs100@uwaterloo.ca"
• test phone link:
  href="tel:+15198884567"
• For Dave to cut & paste: I ❤️ Beyoncé!

Lecture 15 (Tuesday June 30, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/479602459
• W3 Schools (HTML)
  https://www.w3schools.com/html/
• HTML Validator
  https://validator.w3.org/

Lecture 14 (Thursday June 25, 2026)

Midterm Q & A Day (no lecture)

Lecture 13 (Tuesday June 23, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/447358589
• Unicode Emoji list:
  https://www.unicode.org/emoji/charts/emoji-list.html
• † Draft proposal for v18 Emojis:
  https://www.unicode.org/emoji/charts-18.0/emoji-released.html
• † xkcd joke on combining emojis:
  https://xkcd.com/1813/
• Look up your Waterloo faculty colour by Hex Code:
  https://uwaterloo.ca/brand/how-express-our-brand/colour
• † images that contain all 2²⁴ colours:
  https://allrgb.com/

Lecture 12 (Thursday June 18, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/416562428
• Scene from the movie The Martian:
  YouTube
  † Fun retro fact! The Martian scene mentions the game: Leather Goddesses of Phobos from 1986. You can play it online here.
• Example of an annoying URL with a space in it (note the %20 and how a space in ASCII is #20):
  https://student.cs.uwaterloo.ca/~cs100/links/this%20URL%20has%20spaces%20in%20it.txt
• Hiding a URL by using the (Hex) ASCII codes:
  https://%75%77%61%74%65%72%6C%6F%6F%2E%63%61

Lecture 11 (Tuesday June 16, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/454494830

Lecture 10 (Thursday June 11, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/409799355
• Spreadsheet for today
  cs100-in-class-excel-day-6.xlsx (right-click save as)

Assigned Readings

• https://www.atlassian.com/data/charts/essential-chart-types-for-data-visualization
• https://www.atlassian.com/data/charts/how-to-choose-data-visualization

Lecture 09 (Tuesday June 9, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/474688220
• Spreadsheet for today
  cs100-in-class-excel-day-5.xlsx (right-click save as)
• UPDATE: Spreadsheet of array examples
  cs100-s26-array-examples.xlsx (right-click save as)

Lecture 08 (Thursday June 4, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/463381672
• Spreadsheet for today
  cs100-in-class-excel-day-4.xlsx (right-click save as)

Lecture 07 (Tuesday June 2, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/439797172
• Spreadsheet for today
  cs100-in-class-excel-day-3.xlsx (right-click save as)

Lecture 06 (Thursday May 28, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/469461982
• Spreadsheet for today
  cs100-in-class-excel-day-2.xlsx (right-click save as)

Lecture 05 (Tuesday May 26, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/479723407
• Spreadsheet for today
  cs100-in-class-excel-day-1.xlsx (right-click save as)

Lecture 04 (Thursday May 21, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/421351146
• What HTTP header is my browser sending?
  https://www.whatismybrowser.com/detect/what-http-headers-is-my-browser-sending
• † Babbage's Difference Engine (what a mechanical machine that uses 10 digits might look like)
  YouTube

Lecture 03 (Tuesday May 19, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/444548976
• † Visualizing WiFi
  Daily Mail Article
• How to write a postcard
  https://www.wikihow.com/Write-a-Postcard
• Show My IP
  https://www.showmyip.com/
• HTTP Only website — you can put the IP address directly in your browser (include the http://)
  http://httpforever.com/
  http://146.190.62.39/
  
• TCP port numbers
  https://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers

Lecture 02 (Thursday January 8, 2026)

• Join the VEVOX session
  https://vevox.app/#/m/451967050
• † Interstella 5555: The 5tory of the 5ecret 5tar 5ystem
  Wikipedia and YouTube

Lecture 01 (Tuesday May 12, 2026)

• Course Outline:
  https://outline.uwaterloo.ca/viewer/view/n5sv5w
• Join the VEVOX session
  https://vevox.app/#/m/461559858
• † Challenge Dave to a game on Board Game Arena (Dave's username: Dave Tompkins)
  boardgamearena.com
  (but only if you're keen -- there are no "bonus" / participation points)

Assignment Zero

• The secret word is: fox
• For a secret double bonus on Assingment Zero, check out this video.