Sumner Evans

follow: @[email protected]

Posts

Building a Software Career in an LLM World

Vibe Coding Doesn't Require LLMs

On Being Gay

7 Things I've Learned After 7 Years as a Software Engineer

Trump Has Made Two Perfect VP Picks

2025 Matrix Governing Board Endorsements

Now

I'm Joining Can/Am Technologies

What Happens After You Push?

FOSDEM 2025

Waterloo Battlefield

London

Sublime Music End-of-Maintenance

Amsterdam, Netherlands - Work Retreat

Matrix Cryptographic Key Infrastructure

Message Security in Matrix

Matrix Cryptography Prerequisites

Differential Fuzzing Libolm and Goolm

2024 Matrix Governing Board Endorsements

Porto, Portugal - Sightseeing

Porto, Portugal - Work Retreat

My Matrix Governing Board Platform

Denver to Porto

Mines High School Programming Competition 2024

NixCon + SCaLE 2024

Is Getting A Master's Degree in Computer Science Worth It?

Waterloo - The Wellington Museum

Toronto, Canada - Work Retreat

Los Angeles

Becoming a Homeowner

Mines High School Programming Competition 2023

Amsterdam - Exploration Day

Amsterdam, Netherlands - Work Retreat

Amsterdam - The Van Gogh Museum

Mexico City, Mexico - Work Retreat

Berlin to Denver

Berlin Matrix Community Summit

Berlin, Germany

Denver to Berlin

Oakland, California

London, England and Back Home

Paris, France - Day 2 - Normandy Day Trip

Paris, France - Day 1

Lisbon, Portugal - Day 4

Lisbon, Portugal - Day 3

Lisbon, Portugal - Day 2

Lisbon, Portugal - Day 1

Ericeira, Portugal - Work Retreat

Denver to Lisbon, Portugal

Mines High School Programming Competition 2022

Playa del Carmen, Mexico - Work Retreat

Advent of Code 2021

Montreal to Denver

Montreal - Work Trip!

Washington D.C. to Montreal

Washington D.C. -- The Air and Space Museum and the Postal Museum

Denver to Washington D.C.

About

Teaching

I Joined Beeper to Help Build the Future of Chat

Gear

Mines High School Programming Competition 2021

Sublime Music, a Linux Subsonic Client, Beta Released

Mines High School Programming Competition 2020

Respecting Theme Preferences on Your Website

Introducing offlinemsmtp

Setting up Pelican to Automatically Deploy to GitLab Pages

London, England and Back Home

Southampton, England to London, England

Queen Mary 2 Crossing

Washington D.C. to New York City

Washington D.C. -- The Air and Space Museum

Washington D.C. -- The Museum of the Bible

Washington D.C. -- The American History Museum

Washington D.C. -- The Holocaust Museum

Denver to Washington D.C.

Mines High School Programming Competition 2019

HackCU V

How to Win a Hackathon

Facebook Global Hackathon Finals - The Competition

Facebook Global Hackathon Finals - Day 1

ICPC Regionals

End of Cruise

At Sea

Puerto Limon, Costa Rica

Ft. Lauderdale, Start of Cruise

Denver to Ft. Lauderdale

Setting up Pelican to Automatically Deploy to GitHub Pages

At Sea

Grand Cayman, Cayman Islands

New Orleans, LA and Start of Cruise

New Orleans, LA -- Day 3

New Orleans, LA -- Day 2

New Orleans, LA -- Day 1

Denver to New Orleans

Montreal, Quebec, Canada -- Day 2

End of Cruise and Montreal, Quebec, Canada

Quebec City, Quebec, Canada

At Sea (Sailing the St. Lawrence River)

Charlottetown, Prince Edward Island, Canada

Sydney, Nova Scotia, Canada

Halifax, Nova Scotia, Canada

Bar Harbor, Maine

Boston, Massachusetts

At Sea

Hamilton, Bermuda and Set Sail

Hamilton, Bermuda -- Day 3

Hamilton, Bermuda -- Day 2

Arrival in Hamilton, Bermuda

At Sea

Boston, Massachusetts and Set Sail

Boston, Massachusetts -- Day 2

Boston, Massachusetts -- Day 1 -- Lexington and Concord

New York, New York to Boston, Massachusetts

New York, New York -- Day 2

New York, New York

Denver, CO to New York, NY

Going on Another Trip!

Reflections on Trip 2

Reflections on Trip 1

Reykjavík, Iceland to Denver, Colorado

Reykjavík, Iceland

London, England to Reykjavík, Iceland

London, England -- Day 11

London, England -- Day 10 -- York

London, England -- Day 9

London, England -- Day 8 -- Warwick

London, England -- Day 7

London, England -- Day 6 -- Stonehenge

London, England -- Day 5

London, England -- Day 4

London, England -- Day 3 -- Bath, England

London, England -- Day 2

London, England -- Day 1

Copenhagen, Denmark to London, England

Copenhagen, Denmark

Fredericia, Denmark

Warnemunde, Germany (Berlin, Germany)

St. Petersburg, Russia -- Day 3

St. Petersburg, Russia -- Day 2

St. Petersburg, Russia -- Day 1

Helsinki, Finland

Stockholm, Sweden -- Day 4 and Set Sail

Stockholm, Sweden -- Day 5 and Beginning of Cruise

Stockholm, Sweden -- Day 3

Stockholm, Sweden -- Day 2

Stockholm, Sweden -- Day 1

On Our Way - Reykjavík, Iceland to Stockholm, Sweden

On Our Way - Denver, Colorado, USA to Reykjavík, Iceland

Baltic Cruise and England Vacation Announcement

Apple Brings Calculus to the Table With Continuity

The Need for a New Type of Phone

Change from Great Britain Settings to US Settings on RPi

Editorial: iOS 7 shows how Apple is leading mobile computing

Access Your RPi Headless

Browser Wars: Chrome vs. IE

CrashPlan Review

Use Custom Themes on the Free Version of ObjectBar

Office 2013 Review

3 Tips to Survive Windows 8

Why the Search Charm Shortcut is Win + Q

My Thoughts on Windows 8

Day 29: Civitavecchia (Rome), Italy - End of Cruise

Day 28: Messina, Italy

Day 27: At Sea

Day 26: Athens,Greece

Day 23: Ephesus, Turkey

Day 24: Santorini, Greece

Day 23: Olympia,Greece

Day 22: Corfu, Greece

Day 21: Dubrovnik, Croatia

Day 20: At Sea

Day 19: City that Starts with a "C" (Civiteveccia); Start of Second Part of Cruise

Day 18: At Sea

Day 17: Barcelona, Spain

Day 16: Cartagena, Spain

Day 15: Granada (Malaga), Spain

Day 14: Sevilla, Spain

Day 13: Lisbon (Sintra), Portugal

Day 12: Lisbon, Portugal

Day 11: At Sea

Day 10: Ponta Delgada, Azores

Day 3: Start of Cruise - At Sea

Day 2: Ft. Lauderdale FL

Day 1: Flight to Ft. Lauderdale FL

Another Trip!

Looking Back

Trip Back Home 12/12/10-12/13/10

Saigon,(or Ho Chi Minh City)

Fourtyith Day - Saigon 12/11/10

Phu Quoc

Thirty-ninth Day - Phu Quoc and Trip to Saigon 12/10/10

Thirty-eighth Day - Phu Quoc 12/9/10

Thirty-seventh Day - Phu Quoc 12/8/10

Thirty-sixth Day - Phu Quoc 12/7/10

Thirty-fith Day - Phu Quoc 12/06/10

Thirty-fourth Day - Trip to Phu Quoc 12/5/10

Choa Doc Ride

Thirty-third Day - Drive to Chao Doc 12/4/10

Soc Tran Trip

Thirty-second Day - Soc Tran 12/03/10

Thirty-first Day - Trip to Can Tho 12/02/10

Thirtyith Day - Cu Chi Tunnels (Saigon) 12/01/10

Hue and Hoi An

Twenty-ninth Day - Hoi An 11/30/10

Twenty-eight Day - Hoi An 11/29/10

Twenty-seventh Day - Trip to Hoi An 11/28/10

Twenty-sixth Day - Hue 11/27/10

Twenty Fith Day - Flight to Hue 11/26/10

Halong Bay Trip

Twenty-fourth Day - Hallong Bay and Trip Back to Hanoi

Twenty-third Day - Hallong Bay 11/24/10

Twenty-second Day - Hallong Bay 11/23/10

Twenty-first Day - Dad's First Day in Hanoi/Vietnam 11/22/2010 3:00 PM

Twentieth Day - Sunday in Hanoi 11/21/10

Nineteenth Day - Hanging out in Hanoi 11/20/10

Trip to Ba be and Phu Tho

Eighteenth Day - Back to Hanoi 11/19/10

Seventeenth Day - Trip to Phu Tho 11/18/10

Sixteenth Day - Homestay At Ba Be Lake 11/16/10

Fifteenth Day - Trip to Ba Be and Homestay 11/16/10

Fourteenth Day - Hang out in Hanoi 11/15/2010 6:30 PM

Thirteenth Day- Sapa and Overnight Train 11/14/10

Twelfth Day - Sapa 11/13/10 8:03

Eleventh Day - H'mong Mountain Retreat and Sapa 11-12-10

Tenth Day - Trek and H'mong Mountain Retreat 11/10/10

Ninth Day - Trek and Homestay 11/10/10

Quick Update On Our Trip

Eighth Day - Sapa 11/9/10 5:00 PM

Seventh Day - Hanoi 11/8/10 4:32 PM

Sixth Day - Hanoi 11/7/10 8:09 PM

Fifth Day - Hanoi 11/6/2010 6:00 PM

Fourth Day - Hanoi 11/5/2010 4:30 PM

Third Day - Hanoi 11/4/2010 5:45 PM

Second Day - Hanoi 11/3/2010 6:00 PM

First Day - Hanoi 11/2/10 6:00 PM

Hotel In Hanoi 11/1/2010

Airplane to Seoul 12:27 MTN Time

Seattle International Airport 12:08 MTN Time

Portfolio