I'm a full stack web developer.
I love the Ruby programming language, the Rails web development framework, and the RSpec testing library. These are well-designed tools with strong supporting ecosystems that allow me to work efficiently and to have fun doing it.
I have been a support engineer at CommonLit, a software engineer and support engineer at Hired, a web development boot camp teaching assistant at App Academy, a high school math teacher, a public bus driver, and a long haul truck driver.
Babel | Allowing us to safely use modern JavaScript features. | |
Confluence / JIRA | A quality tool for organizing an agile team. | |
CSS3 | Because looking good is half the battle! | |
Dokku | An open-source alternative to Heroku. (This site runs on Dokku!) | |
Elasticsearch | A fast, powerful, and flexible search backend. | |
Git | The standard in version control. | |
GitHub | Where software teams and the open source community collaborate. GitHub Actions are great! | |
Heroku | Doing (some of) the devops, so you don't have to. | |
HTML5 | The building block of the Internet! | |
Jasmine | I love testing, and Jasmine is a great JavaScript testing framework. | |
JavaScript | A flexible language, essential for any modern web app. ES6 (plus lodash to fill in some utility functions) makes JavaScript coding pretty enjoyable. | |
jQuery | DOM querying and manipulation made easy, with a huge plugin ecosystem. | |
Lodash | Lodash brings a lot of the concision, convenience, and clarity that I love about Ruby to the front end. | |
NodeJS | The JavaScript ecosystem is a bit too "Wild West" for my taste, but Node and its ecosystem are essential parts of the modern web stack. | |
PostgreSQL | A fast, rock-solid, open source SQL database. | |
React | Declarative rendering, component-based development, and one-way data flow make React a superior alternative to direct DOM manipulation for moderately (or highly) complex client-side apps. | |
Redis | A fast in-memory database. | |
RSpec | I love testing, and RSpec makes tests readable and easy to write. | |
Ruby | Ruby was designed for developer happiness, and it shows! | |
Ruby on Rails | A web-development framework with a great ecosystem that makes development fast and fun. Rails's ActiveRecord ORM is superb. | |
Sass | It's in the name - syntactically awesome style sheets. Why write CSS when you can write Sass? :) | |
TypeScript | I'm relatively new to TypeScript, but I can already see that it reduces the likelihood of shipping frontend bugs. | |
VueJS | VueJS is a great library for building front-end UX, and it has a great supporting ecosystem. I hope that its popularity continues to grow. | |
Webpack | A versatile and powerful build tool for all-things client-side. Hot code reloading really enhances the development experience. |
You are here, at davidrunger.com! This is a playground for me to experiment with various web technologies, and where I host various apps that I have built for myself and my family:
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Serpent is twice as fun as classic Snake. At least, there are twice as many players! Each snake can be toggled between human or AI control, so you can play against the computer or a friend. Or just watch two AIs play each other. Or see whether your right or left hand is smarter. Controls allow for customizing the game speed and board dimensions.
:before
pseudo-elements keep the snakes' pupils directed toward the apple at all times Having good test coverage is important to me. It lowers the chance of shipping bugs and makes it possible to update dependencies with confidence and without manual testing.
However, I couldn't find a way to get quick, detailed feedback about my app's code coverage while working on tests — so I wrote SimpleCov::Formatter::Terminal
. It prints line-by-line code coverage information to the terminal after every test run, and includes info about branch coverage, as well, making it easy to see where test coverage is missing, and to add tests covering the uncovered code.
Thanks to dog-fooding SimpleCov::Formatter::Terminal
on itself, I'm easily able to keep its code coverage at 100%.
DavidRunger.com has some Sidekiq jobs that I want to run at various scheduled intervals. There are some great add-on gems that provide this functionality, like sidekiq-scheduler, but I wanted something that wasn't so dependent on Sidekiq internals.
Thus, partially as an excuse to try out the Crystal programming language, I wrote a simple job runner in Crystal called skedjewel
, which I use to execute scheduled Sidekiq jobs for DavidRunger.com. I love the small memory consumption of the compiled skedjewel Crystal binary, since memory is a precious resource on my small DigitalOcean droplet.
Below are some of the Ruby gems that I've written.
runger_actions
: The missing piece of Rails! Organize and validate the actions of your Rails application with this combined form object / command object. shaped
: Validate the shape of Ruby objects (hashes, arrays, and more). This is a dependency used in runger_actions
(mentioned just above). fcom
: A CLI tool for parsing git history. I use this regularly. rspec_performance_summary
: Find low-hanging / high-impact opportunities to speed up your test suite by printing the execution time of your slowest RSpec examples. schedjewel
: Execute Sidekiq jobs on a schedule. (This is essentially a Ruby version of the Crystal skedjewel
project mentioned above.)Email: [email protected]
LinkedIn: /in/davidrunger
GitHub: @davidrunger
Blog: my tech blog