Kevin McDonald
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kmcd.dev
Kevin McDonald
@kmcd.dev
340 followers 70 following 380 posts
Software Engineer. I post about backend programming, and nonsense. 
🇺🇸 living in 🇩🇰


https://kmcd.dev
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kmcd.dev
🪧 From JSON to Protobuf: A Tool to Ease Your Schema Journey
https://kmcd.dev/posts/from-json-to-protobuf/
#protobuf #grpc #testing #json
json-to-proto.kmcd.dev
September 2, 2025 at 1:32 PM
kmcd.dev
🪧 Morse Code: Explore the history of Morse code, from its dits and dahs to the first transatlantic cable. Discover how this elegant system was the original binary and test your own skills with an interactive speed typer.
https://kmcd.dev/posts/morse/
#morse-code... https://kmcd.dev/posts/morse/
Illustration of telegraph operators Screenshot of morse.kmcd.dev Map of the Internet
July 22, 2025 at 1:28 PM
kmcd.dev
🪧 Can You Hack a Phone with Your Voice?: Or How I Got Thousands of Mastodon Users to Whistle at Their Screens
https://kmcd.dev/posts/can-you-hack-a-phone-with-your-voice/
#hacking #history #mastodon #phreaking
26000Hz Phreaker emulator
July 15, 2025 at 1:29 PM
kmcd.dev
🪧 Visualizing the Internet (2025): An all-new interactive map of the Internet, showing the evolution of undersea cables and internet exchanges with year-by-year animation and detailed statistics.
https://kmcd.dev/posts/internet-map-2025/
#dataviz #in... https://kmcd.dev/posts/internet-map-2025/
Map of the Internet Map of the Internet Map of the Internet
June 16, 2025 at 2:37 AM
kmcd.dev
June 15, 2025 at 7:00 AM
kmcd.dev
I added an "infinite" mode for wordseq. Now you're not limited to three puzzles a day!

wordseq.com

Try out my game, wordseq, where you try to find the longest sequence of words by swapping two letters at a time. Every move must make a new word. Can you find them all?
May 24, 2025 at 10:45 AM
kmcd.dev
🪧 I made a daily word game: Taking a peek under the covers of making a daily puzzle game
https://kmcd.dev/posts/wordseq/
#gamedev #react #wordseq #typescript #go #games
letters swapping and a newly completed word turning orange letters swapping and a newly completed word turning green letters wiggling and turning red wordseq gameplay
May 14, 2025 at 1:24 PM
kmcd.dev
February 15, 2025 at 8:59 PM
kmcd.dev
🪧 Behold! The Barcode Scanner:
https://kmcd.dev/posts/barcode-scanner/
#books #library #gadget
My barcode scanner
January 31, 2025 at 6:20 PM
kmcd.dev
November 26, 2024 at 6:27 PM
kmcd.dev
I think ahead and leave useful comments when I walk away from something so I know exactly what to do when I return to it.

The comments:
November 26, 2024 at 6:02 PM
kmcd.dev
Happy birthday to everyone around this time. Just know that your parents are sweet romantics
November 18, 2024 at 9:13 AM
kmcd.dev
🪧 HTTP/1.0 From Scratch: Laying the Foundation: Building the Web with HTTP/1.0.
https://kmcd.dev/posts/http1.0-from-scratch/
#networking #http #go #golang #tutorial #web #webdev
August 13, 2024 at 5:03 AM
kmcd.dev
🪧 Y'all are sleeping on HTTP/3:
https://kmcd.dev/posts/yall-are-sleeping-on-http3/
#http #http2 #http3 #web #webdev
August 6, 2024 at 10:02 AM
kmcd.dev
🪧 HTTP/0.9 From Scratch: Building the foundation with HTTP/0.9
https://kmcd.dev/posts/http0.9-from-scratch/
#networking #http #go #golang #tutorial
July 30, 2024 at 5:03 AM
kmcd.dev
🪧 Texans in Denmark: Why I decided to go from BBQ to Smørrebrød.
https://kmcd.dev/posts/texans-in-denmark/
#life #denmark
July 16, 2024 at 1:33 PM
kmcd.dev
🪧 Texans in Denmark: Why I decided to go from BBQ to Smørrebrød.
https://kmcd.dev/posts/texas-in-denmark/
#life #denmark
July 16, 2024 at 10:03 AM
kmcd.dev
🪧 gRPC Over HTTP/3: Turbocharging gRPC with HTTP/3
https://kmcd.dev/posts/grpc-over-http3/
#grpc #protobuf #api #rpc #webdev #http2 #http3 #connectrpc
July 9, 2024 at 10:04 AM
kmcd.dev
🪧 Leaving Texas for Greener Pastures: Why I left my life behind.
https://kmcd.dev/posts/leaving-texas/
#life #denmark
Source: Gallup Source: OECD
June 25, 2024 at 6:24 AM
kmcd.dev
🪧 gRPC: The Bad Parts: gRPC isn't perfect but who is?
https://kmcd.dev/posts/grpc-the-bad-parts/
#grpc #protobuf #api #rpc #webdev #humor #http2 #http3
// Code generated by protoc-gen-go. DO NOT EDIT. The future is already here – it’s just not evenly distributed. — William Gibson We can be lonely together. When life gives you hammers, make hammernade.
June 18, 2024 at 5:03 AM