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Martian Chronicles

Why your vibe-coded project needs a developer
Why your vibe-coded project needs a developer
December 11, 2025
Devs in mind 2025: how to design interfaces for developer tools
Devs in mind 2025: how to design interfaces for developer tools
Editors’ choice
Railing against time: tools and techniques that got us 5X faster tests
Railing against time: tools and techniques that got us 5X faster tests
Editors’ choice
Why Evil Martians hosted a Ruby conference in San Francisco
Why Evil Martians hosted a Ruby conference in San Francisco
December 10, 2025
Vibe coding in style.md
Vibe coding in style.md
December 4, 2025
How to make complex Chrome extensions: a zero gravity guide
How to make complex Chrome extensions: a zero gravity guide
Editors’ choice
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Unparser: real life lessons migrating Ruby tools from Parser to Prism
Unparser: real life lessons migrating Ruby tools from Parser to Prism
November 25, 2025
Vibecoding tools can learn from design UX and win over everyone
Vibecoding tools can learn from design UX and win over everyone
November 19, 2025
Don't just slap on a chatbot: building AI that works before you ask
Don't just slap on a chatbot: building AI that works before you ask
Editors’ choice
Payment form best coding practices that don't drop sales
Payment form best coding practices that don't drop sales
November 10, 2025
Why startups choose React (and when you shouldn't)
Why startups choose React (and when you shouldn't)
October 29, 2025
PostCSS creator shares how to make your open source popular
PostCSS creator shares how to make your open source popular
Editors’ choice
Migrating Whop from PostgreSQL to PlanetScale MySQL with 0 downtime
Migrating Whop from PostgreSQL to PlanetScale MySQL with 0 downtime
October 28, 2025
Why we're excited about the SF Ruby conference
Why we're excited about the SF Ruby conference
October 22, 2025
Inertia.js in Rails: a new era of effortless integration
Inertia.js in Rails: a new era of effortless integration
Editors’ choice
Debug AI fast with this open source library to visualize agent traces
Debug AI fast with this open source library to visualize agent traces
October 15, 2025
How to add fast, client-side search to Astro static sites
How to add fast, client-side search to Astro static sites
October 8, 2025
Hey, AnyCable speaking! Needing help with a Twilio-OpenAI connection?
Hey, AnyCable speaking! Needing help with a Twilio-OpenAI connection?
Editors’ choice
Martian Summer: blog, talks, open source, and ready for SFRuby in Nov
Martian Summer: blog, talks, open source, and ready for SFRuby in Nov
October 7, 2025
Contract shock therapy: the way to API-first documentation bliss
Contract shock therapy: the way to API-first documentation bliss
October 1, 2025
5 best practices for preventing chaos in Tailwind CSS
5 best practices for preventing chaos in Tailwind CSS
Editors’ choice
How to detect Safari and iOS versions with ease in 2025
How to detect Safari and iOS versions with ease in 2025
September 30, 2025
Flaky tests, be gone: long-lasting relief for chronic CI retry irritation!
Flaky tests, be gone: long-lasting relief for chronic CI retry irritation!
September 23, 2025
Ruby on Whales: Dockerizing Ruby and Rails development
Ruby on Whales: Dockerizing Ruby and Rails development
Editors’ choice
OKLCH in CSS: why we moved from RGB and HSL
OKLCH in CSS: why we moved from RGB and HSL
September 17, 2025
Baking with Rails at scale: recipes in Ruby, cookware from Go, C, and Rust
Baking with Rails at scale: recipes in Ruby, cookware from Go, C, and Rust
September 15, 2025
Gemfile of dreams: the libraries we use to build Rails apps
Gemfile of dreams: the libraries we use to build Rails apps
Editors’ choice
Exploring Active Agent, or can we build AI features the Rails way?
Exploring Active Agent, or can we build AI features the Rails way?
September 10, 2025
The Whop chop: how we cut a Rails test suite and CI time in half
The Whop chop: how we cut a Rails test suite and CI time in half
September 3, 2025
What we learned from creating PostCSS
What we learned from creating PostCSS
Editors’ choice
The scenic route: lessons building an IntelliJ IDEA plugin for Luau
The scenic route: lessons building an IntelliJ IDEA plugin for Luau
August 26, 2025
The Long Game: why Rails survived the hype cycle and what it means for your startup
The Long Game: why Rails survived the hype cycle and what it means for your startup
August 18, 2025
How to Favicon in 2025: Three files that fit most needs
How to Favicon in 2025: Three files that fit most needs
February 4, 2025
PostCSS 8.0: Plugin migration guide
PostCSS 8.0: Plugin migration guide
September 14, 2020
We studied 100 dev tool landing pages—here’s what really works in 2025
We studied 100 dev tool landing pages—here’s what really works in 2025
July 8, 2025
Circuit breakers and Ruby in 2025: don't break your launch
Circuit breakers and Ruby in 2025: don't break your launch
August 13, 2025
API contracts and everything I wish I knew: a frontend survival guide
API contracts and everything I wish I knew: a frontend survival guide
July 23, 2025
Exploring the OKLCH ecosystem and its tools
Exploring the OKLCH ecosystem and its tools
May 28, 2025
Phone inputs and you: the designer's essential UI guide
Phone inputs and you: the designer's essential UI guide
August 3, 2022
Simplicity, vanished?! Solving the mystery with Inertia.js + Rails
Simplicity, vanished?! Solving the mystery with Inertia.js + Rails
July 29, 2025
TestProf: a good doctor for slow Ruby tests
TestProf: a good doctor for slow Ruby tests
August 11, 2024
How to quickly (and weightlessly) convert Chrome extensions to Safari
How to quickly (and weightlessly) convert Chrome extensions to Safari
August 28, 2024
Lefthook: knock your team’s code back into shape
Lefthook: knock your team’s code back into shape
July 30, 2019
Better dynamic themes in Tailwind with OKLCH color magic
Better dynamic themes in Tailwind with OKLCH color magic
October 31, 2023
TestProf II: Factory therapy for your Ruby tests
TestProf II: Factory therapy for your Ruby tests
August 12, 2024
11 HTML best practices for login & sign-up forms
11 HTML best practices for login & sign-up forms
October 23, 2024
imgproxy: Resize your images instantly and securely
imgproxy: Resize your images instantly and securely
September 26, 2017
OK, OKLCH: a color picker made to help think perceptively
OK, OKLCH: a color picker made to help think perceptively
February 7, 2023
5 cool (and surprising) ways to configure Lefthook for automation joy
5 cool (and surprising) ways to configure Lefthook for automation joy
January 18, 2024
The Hotwire-Rails summit, or interactive multi-step forms at peak UX
The Hotwire-Rails summit, or interactive multi-step forms at peak UX
June 24, 2025
How to make web videos way smaller in 2025 using the AV1 codec
How to make web videos way smaller in 2025 using the AV1 codec
March 4, 2025
Soft deletion with PostgreSQL: but with logic on the database!
Soft deletion with PostgreSQL: but with logic on the database!
May 16, 2022
ViewComponent in the Wild II: supercharging your components
ViewComponent in the Wild II: supercharging your components
October 18, 2022
Redprints CFP: an open source CFP management app built with Rails + Inertia.js
Redprints CFP: an open source CFP management app built with Rails + Inertia.js
August 6, 2025
How to make next-level Figma plugins: auth, routing, storage, and more
How to make next-level Figma plugins: auth, routing, storage, and more
August 22, 2023
Keeping Rails cool: the modern frontend toolkit
Keeping Rails cool: the modern frontend toolkit
December 10, 2024
A taste of Go code generator magic: a quick guide to getting started
A taste of Go code generator magic: a quick guide to getting started
October 15, 2024
The art of Turbo Mount: Hotwire meets modern JS frameworks
The art of Turbo Mount: Hotwire meets modern JS frameworks
June 11, 2024
Let there be docs! Generating an OpenAPI schema across the Rails stack
Let there be docs! Generating an OpenAPI schema across the Rails stack
April 8, 2025
Introducing Overmind and Hivemind
Introducing Overmind and Hivemind
August 7, 2017
ViewComponent in the Wild I: building modern Rails frontends
ViewComponent in the Wild I: building modern Rails frontends
October 12, 2022
Woah, opacity! A full guide to this badass hero of efficient UI design
Woah, opacity! A full guide to this badass hero of efficient UI design
October 29, 2024
Let there be docs! A documentation-first approach to Rails API development
Let there be docs! A documentation-first approach to Rails API development
April 9, 2024
System of a test: Proper browser testing in Ruby on Rails
System of a test: Proper browser testing in Ruby on Rails
July 14, 2020
git push --force and how to deal with it
git push --force and how to deal with it
July 30, 2024
Meet Yabeda: A Ruby instrumentation framework
Meet Yabeda: A Ruby instrumentation framework
October 22, 2018
CLI UX best practices: 3 patterns for improving progress displays
CLI UX best practices: 3 patterns for improving progress displays
April 15, 2024
The future of full-stack Rails: Turbo Morph Drive
The future of full-stack Rails: Turbo Morph Drive
October 16, 2023
It deserved its own tome: Layered Design and the Extended Rails Way
It deserved its own tome: Layered Design and the Extended Rails Way
August 29, 2023
RuboCoping with legacy: Bring your Ruby code up to Standard
RuboCoping with legacy: Bring your Ruby code up to Standard
March 28, 2023
Object Detection with Create ML: images and dataset
Object Detection with Create ML: images and dataset
February 9, 2022
Making desktop apps with revved-up potential: Rust + Tauri + sidecar
Making desktop apps with revved-up potential: Rust + Tauri + sidecar
April 22, 2025
Ruby on Rails on WebAssembly: a guide to full-stack in‑browser action
Ruby on Rails on WebAssembly: a guide to full-stack in‑browser action
February 18, 2025
Icon transcendence: customizing icons to complement fonts
Icon transcendence: customizing icons to complement fonts
May 3, 2023
Designing Tegon: a signature vision for the AI-driven issue tracker
Designing Tegon: a signature vision for the AI-driven issue tracker
September 25, 2024
TestProf III: guided and automated Ruby test profiling
TestProf III: guided and automated Ruby test profiling
August 13, 2024
Kamal: hot deployment tool to watch—or a total game changer?
Kamal: hot deployment tool to watch—or a total game changer?
April 2, 2024
The 16 most active developer tool investors and VCs going into 2025
The 16 most active developer tool investors and VCs going into 2025
January 7, 2025
Variable fonts in real life: how to use and love them
Variable fonts in real life: how to use and love them
March 24, 2022
ViewComponent in the Wild III: TailwindCSS classes & HTML attributes
ViewComponent in the Wild III: TailwindCSS classes & HTML attributes
January 23, 2024
Object Detection with Create ML: training and demo app
Object Detection with Create ML: training and demo app
February 17, 2022
Wrapping JSON-based ActiveRecord attributes with classes
Wrapping JSON-based ActiveRecord attributes with classes
February 26, 2019
Vite-lizing Rails: get live reload and hot replacement with Vite Ruby
Vite-lizing Rails: get live reload and hot replacement with Vite Ruby
June 28, 2022
How to use P3 colors with SVGs
How to use P3 colors with SVGs
May 25, 2022
Accessible design from the get-go
Accessible design from the get-go
July 26, 2021
Dev tools AI‑fication 101: lessons from Martian robots
Dev tools AI‑fication 101: lessons from Martian robots
August 20, 2024
Recapping the first Local‑First conference in 15 minutes
Recapping the first Local‑First conference in 15 minutes
July 8, 2024
The lion's den: NestJS and authentication with AWS Cognito
The lion's den: NestJS and authentication with AWS Cognito
June 10, 2024
How to GraphQL with Ruby, Rails, Active Record, and no N+1
How to GraphQL with Ruby, Rails, Active Record, and no N+1
November 9, 2020
Faster WebGL/Three.js 3D graphics with OffscreenCanvas and Web Workers
Faster WebGL/Three.js 3D graphics with OffscreenCanvas and Web Workers
April 2, 2019
Fighting the Hydra of N+1 queries
Fighting the Hydra of N+1 queries
May 16, 2017
Care beyond code: 7 best design practices for frontend developers
Care beyond code: 7 best design practices for frontend developers
November 28, 2023
Asynchronous adventures: Aborting queries and mutations in react-apollo
Asynchronous adventures: Aborting queries and mutations in react-apollo
July 9, 2019
Rails’ after_commit everywhere
Rails’ after_commit everywhere
February 21, 2018
Demo app design for Medplum, open source healthcare developer platform
Demo app design for Medplum, open source healthcare developer platform
May 15, 2025
Keep it together: 5 essential design patterns for dev tool UIs
Keep it together: 5 essential design patterns for dev tool UIs
May 7, 2024
Level up for UX: Design lessons from video games
Level up for UX: Design lessons from video games
June 28, 2018
AnyCable: Action Cable on steroids
AnyCable: Action Cable on steroids
December 20, 2016
Figma plugin API: diving into advanced algorithms & data structures
Figma plugin API: diving into advanced algorithms & data structures
November 13, 2023
System of a test II: Robust Rails browser testing with SitePrism
System of a test II: Robust Rails browser testing with SitePrism
August 31, 2020
“Fair” multi-tenant prioritization of Sidekiq jobs—and our gem for it!
“Fair” multi-tenant prioritization of Sidekiq jobs—and our gem for it!
February 14, 2024
A slice of life: table partitioning in PostgreSQL databases
A slice of life: table partitioning in PostgreSQL databases
April 12, 2022
Optimizing React: Virtual DOM explained
Optimizing React: Virtual DOM explained
March 28, 2018
One row, many threads: How to avoid database duplicates in Rails applications
One row, many threads: How to avoid database duplicates in Rails applications
August 18, 2021
Real-time stress: AnyCable, k6, WebSockets, and Yabeda
Real-time stress: AnyCable, k6, WebSockets, and Yabeda
September 7, 2021
Anyway Config: Keep your Ruby configuration sane
Anyway Config: Keep your Ruby configuration sane
April 14, 2020
First steps with ruby.wasm: or how we built Ruby Next Playground
First steps with ruby.wasm: or how we built Ruby Next Playground
February 6, 2024
Lefthook, Crystalball, and git magic for smooth development experience
Lefthook, Crystalball, and git magic for smooth development experience
July 10, 2019
GraphQL on Rails: From zero to the first query
GraphQL on Rails: From zero to the first query
June 4, 2019
Images done right: Web graphics, good to the last byte
Images done right: Web graphics, good to the last byte
October 7, 2019
Evil Front Part 1: Modern Frontend in Rails
Evil Front Part 1: Modern Frontend in Rails
December 5, 2017
Railsmas on Mars: 12 Days of Mandatory Developer Joy and Challenge
Railsmas on Mars: 12 Days of Mandatory Developer Joy and Challenge
December 31, 2024
Custom "cops" for RuboCop: an emergency service for your Ruby code
Custom "cops" for RuboCop: an emergency service for your Ruby code
June 22, 2021
Cool frontend arts of local-first: storage, sync, conflicts
Cool frontend arts of local-first: storage, sync, conflicts
March 15, 2023
How a year-long LeetCode habit upped my professional game
How a year-long LeetCode habit upped my professional game
July 5, 2023
It’s dangerous to go alone: take our guide to the “IDEAL” HTTP client!
It’s dangerous to go alone: take our guide to the “IDEAL” HTTP client!
September 12, 2023
Climbing Steep hills, or adopting Ruby 3 types with RBS
Climbing Steep hills, or adopting Ruby 3 types with RBS
December 10, 2020
Build images on GitHub Actions with Docker layer caching
Build images on GitHub Actions with Docker layer caching
March 11, 2021
Scroll to the future
Scroll to the future
April 12, 2018
Serverless TypeScript: A complete setup for AWS SAM Lambdas
Serverless TypeScript: A complete setup for AWS SAM Lambdas
February 17, 2021
Enter AnyCable v1.4: reliable real-time features for apps of any size
Enter AnyCable v1.4: reliable real-time features for apps of any size
July 14, 2023
SPA hexagon: Robust app architecture for mobile and web
SPA hexagon: Robust app architecture for mobile and web
August 23, 2021
3 smart ways to highlight features for landing pages or launch weeks
3 smart ways to highlight features for landing pages or launch weeks
January 28, 2025
bolt.new from StackBlitz: how they surfed the AI wave—with no wipeouts
bolt.new from StackBlitz: how they surfed the AI wave—with no wipeouts
December 2, 2024
Don’t wait, let’s use the browser Contact Picker API now
Don’t wait, let’s use the browser Contact Picker API now
April 13, 2023
Weeks → days: a case for expert-led, AI-driven design engineering
Weeks → days: a case for expert-led, AI-driven design engineering
June 17, 2025
A Tea Break: building sfruby.com with Bolt.new
A Tea Break: building sfruby.com with Bolt.new
June 9, 2025
AnyCable for Laravel: reliable WebSocket infrastructure
AnyCable for Laravel: reliable WebSocket infrastructure
July 29, 2025
How to make absolutely any app look like a macOS app
How to make absolutely any app look like a macOS app
June 16, 2022
Decoding AVIF: Deep dive with cats and imgproxy
Decoding AVIF: Deep dive with cats and imgproxy
August 13, 2021
UI for Quotient AI: the developer tool for prompt engineers
UI for Quotient AI: the developer tool for prompt engineers
April 23, 2025
How to manifest streamlined authentication: AWS Cognito in a React app
How to manifest streamlined authentication: AWS Cognito in a React app
April 22, 2024
Beyond monospace: the search for the perfect coding font
Beyond monospace: the search for the perfect coding font
June 25, 2024
How to make an AI clone of your CEO for the world's biggest hackathon
How to make an AI clone of your CEO for the world's biggest hackathon
June 23, 2025
TimescaleDB: integrating time-series data with Ruby on Rails
TimescaleDB: integrating time-series data with Ruby on Rails
November 16, 2021
The future of full-stack Rails II: Turbo View Transitions
The future of full-stack Rails II: Turbo View Transitions
October 23, 2023
Midjourney vs. human illustrators: has AI already won?
Midjourney vs. human illustrators: has AI already won?
December 13, 2022
Figma DIY: Building a color system plugin
Figma DIY: Building a color system plugin
June 2, 2022
Martian Kubernetes Kit: unboxing our toolkit's technical secrets
Martian Kubernetes Kit: unboxing our toolkit's technical secrets
March 12, 2024
UI design for HTTPie: macOS vibes for the API testing client
UI design for HTTPie: macOS vibes for the API testing client
January 30, 2023
What could Go wrong with a mutex, or the Go profiling story
What could Go wrong with a mutex, or the Go profiling story
October 27, 2021
Hotwire: Reactive Rails with no JavaScript?
Hotwire: Reactive Rails with no JavaScript?
April 12, 2021
Martian Kubernetes Kit: a smooth-sailing toolkit from our SRE team
Martian Kubernetes Kit: a smooth-sailing toolkit from our SRE team
December 20, 2023
Collaborative real-time security: Logux for Akeero
Collaborative real-time security: Logux for Akeero
June 23, 2022
How to avoid tricky async state manager pitfalls in React
How to avoid tricky async state manager pitfalls in React
February 21, 2023
Try Astrograph: Your GraphQL lens for Stellar blockchain
Try Astrograph: Your GraphQL lens for Stellar blockchain
April 9, 2019
Stick with security: YubiKey, SSH, GnuPG, macOS
Stick with security: YubiKey, SSH, GnuPG, macOS
June 11, 2018
How to build a better React map with Pigeon Maps and Mapbox
How to build a better React map with Pigeon Maps and Mapbox
January 24, 2023
A broader picture: A guide on imgproxy for businesses
A broader picture: A guide on imgproxy for businesses
May 24, 2021
Logidze 1.0: Active Record, Postgres, Rails, and time travel
Logidze 1.0: Active Record, Postgres, Rails, and time travel
January 27, 2021
Hands-on WebAssembly: Try the basics
Hands-on WebAssembly: Try the basics
August 25, 2020
How a month without computers changed me
How a month without computers changed me
October 31, 2018
Want to make a great developer tool UI? Follow this fundamental rule!
Want to make a great developer tool UI? Follow this fundamental rule!
August 5, 2024
Size Limit: Make the Web lighter
Size Limit: Make the Web lighter
September 5, 2017
Speeding up Go Modules for Docker and CI
Speeding up Go Modules for Docker and CI
August 5, 2019
Factories or fixtures? Give me both!
Factories or fixtures? Give me both!
August 21, 2017
How AI startups use changelogs to win developer trust
How AI startups use changelogs to win developer trust
June 4, 2025
What I learned as a developer from accidents in space
What I learned as a developer from accidents in space
January 21, 2020
5 signs your project needs a design system
5 signs your project needs a design system
September 8, 2022
Logidze: for all those tired of versioning data
Logidze: for all those tired of versioning data
June 28, 2016
How to turn an open source project into a profitable business
How to turn an open source project into a profitable business
May 31, 2023
The joy of Variable Fonts: getting started on the Frontend
The joy of Variable Fonts: getting started on the Frontend
July 6, 2022
eBaymag magic: under the hood of the international eBay spinoff
eBaymag magic: under the hood of the international eBay spinoff
May 12, 2022
Down the caching‑hole: adventures in 'HTTP caching and Faraday' land
Down the caching‑hole: adventures in 'HTTP caching and Faraday' land
July 15, 2022
Keeping OSS documentation in check with docsify, Lefthook, and friends
Keeping OSS documentation in check with docsify, Lefthook, and friends
August 28, 2019
Rails 5.2: Active Storage and beyond
Rails 5.2: Active Storage and beyond
January 31, 2018
Before your next frontend pull request, use this checklist
Before your next frontend pull request, use this checklist
June 7, 2023
Reusable development containers with Docker Compose and Dip
Reusable development containers with Docker Compose and Dip
November 17, 2020
New home for Logux: Pouring love into an OSS documentation website
New home for Logux: Pouring love into an OSS documentation website
December 18, 2019
Pulling the trigger: How to update counter caches in your Rails app without Active Record callbacks
Pulling the trigger: How to update counter caches in your Rails app without Active Record callbacks
November 19, 2019
Freezolite: the magic gem for keeping Ruby literals safely frozen
Freezolite: the magic gem for keeping Ruby literals safely frozen
November 14, 2023
Open Source Software. What is in a poke?
Open Source Software. What is in a poke?
January 26, 2017
The journey from CircleCI to GitHub Actions
The journey from CircleCI to GitHub Actions
September 15, 2022
Danger on Rails: make robots do some code review for you!
Danger on Rails: make robots do some code review for you!
July 2, 2019
AnyCable Goes Pro: Fast WebSockets for Ruby, at scale
AnyCable Goes Pro: Fast WebSockets for Ruby, at scale
June 16, 2021
How to do launch weeks for developer tools, startups, and small teams
How to do launch weeks for developer tools, startups, and small teams
November 5, 2024
Super GitHub Pages: budget frontend staging, with Storybook and more
Super GitHub Pages: budget frontend staging, with Storybook and more
August 4, 2023
Easy multi-language, multi-version documentation with Docsify, Git, and GitHub Actions
Easy multi-language, multi-version documentation with Docsify, Git, and GitHub Actions
October 7, 2020
Rails, hacking, and Stripe as a scoreboard: Marc Köhlbrugge’s playbook
Rails, hacking, and Stripe as a scoreboard: Marc Köhlbrugge’s playbook
April 29, 2025
GraphQL on Rails: On the way to perfection
GraphQL on Rails: On the way to perfection
July 16, 2019
Active Storage meets GraphQL: Direct Uploads
Active Storage meets GraphQL: Direct Uploads
April 2, 2019
Errors in Go: From denial to acceptance
Errors in Go: From denial to acceptance
November 26, 2018
Learning how to learn deep learning
Learning how to learn deep learning
September 27, 2018
How Doximity brought real-time Go power to their Rails app
How Doximity brought real-time Go power to their Rails app
February 25, 2025
Our slice of the metaverse: 7 key AR features for iOS devs
Our slice of the metaverse: 7 key AR features for iOS devs
January 5, 2022
Hire better, 10X faster: how we screen 50 engineers weekly with no HR
Hire better, 10X faster: how we screen 50 engineers weekly with no HR
February 19, 2025
Ruby Next: Make all Rubies quack alike
Ruby Next: Make all Rubies quack alike
May 4, 2020
The silence of the Ruby exceptions: a Rails/PostgreSQL database transaction thriller
The silence of the Ruby exceptions: a Rails/PostgreSQL database transaction thriller
July 24, 2018
The early validation lesson: designing Quotient’s prompt sandbox
The early validation lesson: designing Quotient’s prompt sandbox
July 2, 2025
Simple Declarative Presence for Hotwire apps with AnyCable
Simple Declarative Presence for Hotwire apps with AnyCable
March 18, 2025
A letter to founders: join the local-first movement!
A letter to founders: join the local-first movement!
September 10, 2024
AnyCable off Rails: connecting Twilio streams with Hanami
AnyCable off Rails: connecting Twilio streams with Hanami
March 21, 2023
Taking off the Heroku training wheels: the Rails preflight checklist
Taking off the Heroku training wheels: the Rails preflight checklist
August 9, 2022
Squash N+1 queries early with n_plus_one_control test matchers for Ruby and Rails
Squash N+1 queries early with n_plus_one_control test matchers for Ruby and Rails
October 27, 2020
Cloud Teleport: Building access plugins for Gravitational
Cloud Teleport: Building access plugins for Gravitational
August 27, 2020
Storeon: "Redux" in 173 bytes
Storeon: "Redux" in 173 bytes
April 22, 2019
Martian Kubernetes Kit: running apps—and running them well
Martian Kubernetes Kit: running apps—and running them well
January 22, 2025
Premium design: Building a mobile app for Loewe
Premium design: Building a mobile app for Loewe
June 3, 2021
Product design that sells: the smart UX for Tines
Product design that sells: the smart UX for Tines
May 26, 2020
New feature in Rails 5: Render views outside of actions
New feature in Rails 5: Render views outside of actions
July 7, 2015
Hey developer tool teams, don’t copy these copywriting clichés!
Hey developer tool teams, don’t copy these copywriting clichés!
March 26, 2025
Ease and epiphany: 4 ways to stop misguided dev tools user onboarding
Ease and epiphany: 4 ways to stop misguided dev tools user onboarding
December 17, 2024
Figma Auto Layout: Practical tips for dynamic designs
Figma Auto Layout: Practical tips for dynamic designs
June 15, 2020
How to make complex serverless file processing a piece of cake
How to make complex serverless file processing a piece of cake
March 6, 2024
The complete guide to multi-tenant SaaS, part 1: collaboration
The complete guide to multi-tenant SaaS, part 1: collaboration
February 28, 2024
Persisted queries in GraphQL: Slim down Apollo requests to your Ruby application
Persisted queries in GraphQL: Slim down Apollo requests to your Ruby application
November 5, 2019
A fixture-based approach to interface testing in Rails
A fixture-based approach to interface testing in Rails
May 27, 2019
Crafting user notifications in Rails with Active Delivery
Crafting user notifications in Rails with Active Delivery
January 15, 2019
How Ruby 2.2 can cause an out-of-memory server crash
How Ruby 2.2 can cause an out-of-memory server crash
December 24, 2015
Midjourney vs. human illustrators II: more Martians join the battle!
Midjourney vs. human illustrators II: more Martians join the battle!
November 6, 2023
Realtime text analysis with Word Tagger: pro computer vision, part 1
Realtime text analysis with Word Tagger: pro computer vision, part 1
April 27, 2022
Rails 6: B-Sides and Rarities
Rails 6: B-Sides and Rarities
April 29, 2019
Evil Front Part 2: Modern Frontend in Rails
Evil Front Part 2: Modern Frontend in Rails
December 12, 2017
Flying free: a tale of partitioning with canaries in PostgreSQL
Flying free: a tale of partitioning with canaries in PostgreSQL
July 23, 2024
The Martian Design Sprint: starting and running projects faster
The Martian Design Sprint: starting and running projects faster
November 24, 2021
GraphQL on Rails: Updating the data
GraphQL on Rails: Updating the data
June 19, 2019
Rails profiling story, or how I caught Faker trying to teach my app Australian Slang
Rails profiling story, or how I caught Faker trying to teach my app Australian Slang
February 12, 2019
PostgreSQL and Rails, sitting in a tree
PostgreSQL and Rails, sitting in a tree
March 9, 2016
How Recraft's lean team is challenging the AI image generation giants
How Recraft's lean team is challenging the AI image generation giants
May 20, 2025
Hiring a product designer: 1 hard skill and 3 soft skills to look for
Hiring a product designer: 1 hard skill and 3 soft skills to look for
January 30, 2024
Go integration testing with courage and coverage
Go integration testing with courage and coverage
April 19, 2023
Realtime text analysis with Word Tagger: recipe reader, part 2
Realtime text analysis with Word Tagger: recipe reader, part 2
November 22, 2022
Pen, paper, IDE: a DevTool Founder’s early-stage product design guide
Pen, paper, IDE: a DevTool Founder’s early-stage product design guide
December 4, 2023
Pro becomes smart: imgproxy Pro engages machine learning
Pro becomes smart: imgproxy Pro engages machine learning
October 5, 2021
Autoprefixer 7.0 and Browserslist 2.0
Autoprefixer 7.0 and Browserslist 2.0
May 6, 2017
Value pricing for Dev Tools: a strategy beneficial for both sides
Value pricing for Dev Tools: a strategy beneficial for both sides
January 24, 2024
Decentralized app design: first aid for common dApp UI pains
Decentralized app design: first aid for common dApp UI pains
December 19, 2022
A no-go fantasy: writing Go in Ruby with Ruby Next
A no-go fantasy: writing Go in Ruby with Ruby Next
November 9, 2021
Desktop frontier: Video app optimization for Lowkey
Desktop frontier: Video app optimization for Lowkey
June 11, 2020
Normalization, consistency, and Clowne
Normalization, consistency, and Clowne
June 10, 2019
Five years of PostCSS: State of the Union
Five years of PostCSS: State of the Union
November 5, 2018
Handling errors in a non-geek interface
Handling errors in a non-geek interface
October 31, 2016
GMI Cloud meets Webflow and speeds ahead in the AI compute race
GMI Cloud meets Webflow and speeds ahead in the AI compute race
April 30, 2025
Connection avalanche safety tips and prepping for real-time applications
Connection avalanche safety tips and prepping for real-time applications
July 9, 2024
UX research for dev tools must not be neglected: our quick-start guide
UX research for dev tools must not be neglected: our quick-start guide
December 27, 2023
Designing Machine Learning for DVC Studio
Designing Machine Learning for DVC Studio
July 5, 2021
AnyCable 1.0: Four years of real-time web with Ruby and Go
AnyCable 1.0: Four years of real-time web with Ruby and Go
July 1, 2020
Anonymous web authentication with Stellar blockchain
Anonymous web authentication with Stellar blockchain
January 29, 2019
Partition and conquer
Partition and conquer
November 7, 2017
Let's have more tech meetups! A quick-start guide to holding your own
Let's have more tech meetups! A quick-start guide to holding your own
April 30, 2024
MVPs, prototypes, results: how to win with a Martian Design Sprint
MVPs, prototypes, results: how to win with a Martian Design Sprint
April 8, 2024
From Ruby to Crystal? Writing and distributing a CLI tool
From Ruby to Crystal? Writing and distributing a CLI tool
May 16, 2023
Lefthook: refactoring the Git Hooks automation tool back into shape
Lefthook: refactoring the Git Hooks automation tool back into shape
August 18, 2022
Smartly contracted: UI design and frontend for Certora
Smartly contracted: UI design and frontend for Certora
July 21, 2022
Introducing JavaScript and TypeScript client for AnyCable
Introducing JavaScript and TypeScript client for AnyCable
July 28, 2021
Fullstaq Ruby: First impressions, and how to migrate your Docker/Kubernetes Ruby apps today
Fullstaq Ruby: First impressions, and how to migrate your Docker/Kubernetes Ruby apps today
August 10, 2019
Carve your controllers like Papa Carlo
Carve your controllers like Papa Carlo
February 12, 2019
How to kill conversions on your developer tool's landing page
How to kill conversions on your developer tool's landing page
March 5, 2025
Figma plugin magic tricks: mixing colors with SVG and Canvas API
Figma plugin magic tricks: mixing colors with SVG and Canvas API
December 12, 2023
Kubing Rails: stressless Kubernetes deployments with Kuby
Kubing Rails: stressless Kubernetes deployments with Kuby
November 30, 2021
PostCSS 8.0 is coming: Here's what it brings
PostCSS 8.0 is coming: Here's what it brings
April 6, 2020
Exposing permissions in GraphQL APIs with Action Policy
Exposing permissions in GraphQL APIs with Action Policy
May 21, 2019
Embracing metrics as new tests
Embracing metrics as new tests
November 13, 2017
PostCSS-modules: Isolate ’em all!
PostCSS-modules: Isolate ’em all!
March 3, 2016
An invitation system using URL Schemes and Universal Links
An invitation system using URL Schemes and Universal Links
February 8, 2016
Beyond bars and lines: 7 cool ways to visualize data in your dev tool
Beyond bars and lines: 7 cool ways to visualize data in your dev tool
March 26, 2024
Why should developers write? 3 reasons and 3 common blocks
Why should developers write? 3 reasons and 3 common blocks
March 20, 2024
imgproxy goes solo: unveiling a bold future for this new company
imgproxy goes solo: unveiling a bold future for this new company
July 20, 2023
“Design first, then build”: let’s bury this myth forevermore
“Design first, then build”: let’s bury this myth forevermore
March 10, 2023
Real-time magic, no elixirs: optimizing Sera with AnyCable
Real-time magic, no elixirs: optimizing Sera with AnyCable
March 1, 2023
Catch a batch: Making Mayhem 5 times more responsive
Catch a batch: Making Mayhem 5 times more responsive
May 11, 2020
Beyond fashion: Deep Learning with Catalyst
Beyond fashion: Deep Learning with Catalyst
March 2, 2020
Realtime diagnostic logging, or how to really spy on your Go web apps
Realtime diagnostic logging, or how to really spy on your Go web apps
July 2, 2024
Big refactoring: Fix that app for Fund That Flip
Big refactoring: Fix that app for Fund That Flip
November 4, 2020
Keep up with the Tines: Rails frontend revamp
Keep up with the Tines: Rails frontend revamp
June 3, 2020
Reporting non-nullable violations in graphql-ruby properly
Reporting non-nullable violations in graphql-ruby properly
July 19, 2019
Big on Heroku: Scaling Fountain without losing a drop
Big on Heroku: Scaling Fountain without losing a drop
December 4, 2018
How does your chatbot UX size up? The 5 laws of ChatRobotics
How does your chatbot UX size up? The 5 laws of ChatRobotics
May 22, 2024
Extremely open and incredibly close: should you go open source?
Extremely open and incredibly close: should you go open source?
November 20, 2023
One does not simply design: designers as product owners
One does not simply design: designers as product owners
November 17, 2022
Building FEED: the tech behind the app
Building FEED: the tech behind the app
June 9, 2022
Comms Pro: building a social video app for FEED
Comms Pro: building a social video app for FEED
December 9, 2021
Cables vs. malloc_trim, or yet another Ruby memory usage benchmark
Cables vs. malloc_trim, or yet another Ruby memory usage benchmark
March 19, 2019
Evil Front Part 3: Modern Frontend in Rails
Evil Front Part 3: Modern Frontend in Rails
December 20, 2017
Frontend Challenge Accepted: CSS 3D Cube
Frontend Challenge Accepted: CSS 3D Cube
September 6, 2016
Ruby Bytes, or generating standalone generators
Ruby Bytes, or generating standalone generators
April 4, 2023
Clowne: Clone Ruby models with a smile
Clowne: Clone Ruby models with a smile
February 27, 2018
Founders, if you want A+ startup success, do the homework first!
Founders, if you want A+ startup success, do the homework first!
November 19, 2024
Startups on Rails in 2024: my keynote at RailsConf
Startups on Rails in 2024: my keynote at RailsConf
July 15, 2024
“AI” marks the spot: a quick AI treasure map for businesses
“AI” marks the spot: a quick AI treasure map for businesses
June 28, 2023
The sword is yours: transferring projects to another team unscathed
The sword is yours: transferring projects to another team unscathed
August 19, 2022
Bootstrap: an intervention
Bootstrap: an intervention
January 19, 2016
PostCSS becomes 1.5x faster
PostCSS becomes 1.5x faster
November 10, 2015
Successful balance: gracefully and tactfully raising a dev tool price
Successful balance: gracefully and tactfully raising a dev tool price
August 23, 2023
Lean by design: 5 wins for one product
Lean by design: 5 wins for one product
August 1, 2018
Speaking with an accent
Speaking with an accent
February 21, 2018
State Machine: The State Switcher
State Machine: The State Switcher
August 6, 2015
An annoying Capistrano, Unicorn and Bundler issue
An annoying Capistrano, Unicorn and Bundler issue
March 22, 2015
Engineering connections: a conference talk primer for humans
Engineering connections: a conference talk primer for humans
July 29, 2024
Martians unveiled: infusing a new site with extraterrestrial tech and soul
Martians unveiled: infusing a new site with extraterrestrial tech and soul
September 5, 2022
AI and the auteur: using neural networks as artistic tools
AI and the auteur: using neural networks as artistic tools
December 21, 2021
Finding growth: how to hack eBaymag with Growth Hacking
Finding growth: how to hack eBaymag with Growth Hacking
October 20, 2020
Power for Kadenze: More performance, less cloud costs
Power for Kadenze: More performance, less cloud costs
June 29, 2020
Spend less on Google Translate
Spend less on Google Translate
November 20, 2017
Compo: UI components in Sketch
Compo: UI components in Sketch
May 12, 2016
Next-level docs with Next.js: Teleport’s new customer acquisition channel
Next-level docs with Next.js: Teleport’s new customer acquisition channel
April 24, 2024
Blend to my will! Fonts on cylinder objects in Blender
Blend to my will! Fonts on cylinder objects in Blender
December 5, 2022
Web Summit 2022: what you missed and how to be ready for next year
Web Summit 2022: what you missed and how to be ready for next year
November 14, 2022
RubyKaigi 2019: A speaker’s report
RubyKaigi 2019: A speaker’s report
May 14, 2019
5 tips for dealing with heavy ActiveRecord dashboards in Rails
5 tips for dealing with heavy ActiveRecord dashboards in Rails
January 12, 2016
WebSocket Director: scenario-based integration tests for realtime apps
WebSocket Director: scenario-based integration tests for realtime apps
September 20, 2022
CSS and JS are at war, here’s how to stop it
CSS and JS are at war, here’s how to stop it
January 29, 2019
Deploying Ruby apps to Google Cloud Kubernetes Engine continuously with CircleCI
Deploying Ruby apps to Google Cloud Kubernetes Engine continuously with CircleCI
May 1, 2018
Zero downtime rebranding
Zero downtime rebranding
November 27, 2017
Making a custom logger for Rails query optimization
Making a custom logger for Rails query optimization
October 20, 2015
Social background: Martians behind eBay Social's tech
Social background: Martians behind eBay Social's tech
January 25, 2021
Active Storage meets GraphQL pt. 2: exposing attachment URLs
Active Storage meets GraphQL pt. 2: exposing attachment URLs
April 23, 2019
Is React Native podium-ready?
Is React Native podium-ready?
May 14, 2018
GitHub Actions: First impressions
GitHub Actions: First impressions
September 4, 2019
Rails 5: What’s new
Rails 5: What’s new
April 7, 2015
Creating a winning sales flow with authentic writing from engineers
Creating a winning sales flow with authentic writing from engineers
September 18, 2024
How to cultivate capital: 6 tips from developer tools founders and VCs
How to cultivate capital: 6 tips from developer tools founders and VCs
January 10, 2024
DIY PaaS: serverless real-time with one command
DIY PaaS: serverless real-time with one command
November 8, 2023
The tale of Sprockets and Webpacker duality
The tale of Sprockets and Webpacker duality
September 13, 2021
Set up Tailwind CSS JIT in a Rails project to compile styles 20x faster
Set up Tailwind CSS JIT in a Rails project to compile styles 20x faster
April 6, 2021
Apollo launch: Building a migration architecture for 2U
Apollo launch: Building a migration architecture for 2U
July 13, 2020
Sorbetting a gem, or the story of the first adoption
Sorbetting a gem, or the story of the first adoption
June 24, 2019
My Ruby 2018: Around the world in nine conferences
My Ruby 2018: Around the world in nine conferences
January 7, 2019
RailsConf 2015 Recap and Thoughts
RailsConf 2015 Recap and Thoughts
April 25, 2015
RubyKaigi 2022: a report from an Evil Martian in Japan
RubyKaigi 2022: a report from an Evil Martian in Japan
October 3, 2022
Living in sin (with Spring)
Living in sin (with Spring)
June 19, 2018
PostCSS Second Birthday
PostCSS Second Birthday
September 7, 2015
Attention: An Important Brand Update From The Evil Martians Blog
Attention: An Important Brand Update From The Evil Martians Blog
April 1, 2025
The SDK Imperative: why developer tools live or die by their SDKs
The SDK Imperative: why developer tools live or die by their SDKs
August 10, 2024
Painless migration of existing Helm’s Tiller setup to Kubernetes Secrets
Painless migration of existing Helm’s Tiller setup to Kubernetes Secrets
July 4, 2018
And they lived happily ever after… the M&A
And they lived happily ever after… the M&A
July 27, 2022

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