Paid Private Repos for Hound
In April, we announced Hound, a hosted service that comments on Ruby style guide violations in your GitHub pull requests. Since then, about 2,000 users have signed up for Hound. We have been hard at work across 127 commits making Hound faster and more reliable. Recently, Hound has been reviewing about 7,000 GitHub pull requests across about 300 GitHub repos each week. What people are telling us We
Ship You a Haskell
A few weeks ago, we quietly shipped a new feature here on the Giant Robots blog: comments. If you hover over a paragraph or code block, a small icon should appear to the right, allowing you to comment on that section of any article. With the release of this feature, we can now say something we’ve hoped to say for some time: we shipped Haskell to production! In this post, I’ll outline what we shipp
Laptop Setup for an Awesome Development Environment
We’ve published guides in 2009, 2011, and 2012 for setting up your macOS laptop as a Ruby on Rails development machine. Many others have published and shared similar tutorials. Instead of copying and pasting a series of steps from a blog post, a better approach is to leverage automation and the open source community to save time and get a more stable result. For the past three years, we’ve been de
Swift Sequences
We’re incredibly excited about the new Swift programming language announced by Apple at this year’s WWDC. As a way of experimenting, we’ve begun looking into what it would be like if we rewrote Liftoff, our command line Xcode project generation/configuration tool, in Swift. Liftoff supports a few options on the command line, so the first thing we’re trying to do is write a small command line parsi
Tips for Clojure Beginners
1. Learn the essentials with Clojure Koans Clojure Koans teaches you the basics of the language by providing a series of tests for you to turn green. The topics and tests are chosen well, and the project’s vibe is pleasant (“calling a function is like giving it a hug with parentheses”). Open a koan. Make it pass. Meditate. Enjoy enlightenment. 2. Move on to 4Clojure problems 4Clojure is a great wa
Introducing Hound
We’re pleased to announce Hound, a hosted service that comments on Ruby style guide violations in your GitHub pull requests. Hound is currently free and available for public and private GitHub projects. We intend to charge in the near future to ensure Hound is sustainable, but public projects will continue to be free. Hound is also open source. Why code style matters At thoughtbot, we write code t
Automatically Wait for AJAX with Capybara
We have a race condition between click_link and reload_page. Sometimes the AJAX call will go through before Capybara reloads the page, and sometimes it won’t. This kind of nondeterministic test can be very difficult to debug, so I added a little helper. Capybara’s Little Helper Here’s the helper, via Coderwall: # spec/support/wait_for_ajax.rb module WaitForAjax def wait_for_ajax Timeout.timeout(Ca
Form Filling is Formulaic
You probably have more than a few Capybara tests that look a bit like this: fill_in ... fill_in ... fill_in ... fill_in ... select ... choose ... click_on 'Submit' Filling out a form with Capybara can be very tedious. With Formulaic, we aim to make the process less repetitive and more fun. fill_form(:user, name: 'Caleb', age: 24, city: 'Boston') fill_form(:user, FactoryBot.attributes_for(:user).sl
EmberJS with a Separate Rails API
We just wrapped up a large client project using EmberJS and we learned a few things that are interesting to share. Ember made this project easier. There are times that a JavaScript framework is unnecessary and there are times that it makes the code much cleaner. This was the latter. Split Development We built our API and our JavaScript application as two completely separate applications. We had on
brew leaves
No, it’s not about tea. We’re continuing our rundown of lesser-known Homebrew features with brew leaves. Let’s check the man brew page: leaves Show installed formulae that are not dependencies of another installed formula. Or, in more computer science-y terms, it shows you the leaves of the Homebrew dependency graph. When to use it brew leaves shows you programs that you can safely uninstall. If y
Improving the Command-Line Postgres Experience
Let’s jazz it up. There are a lot of options for changing the prompt. You can add colors, domain names, the name of the current database, and more. The %[..%] sets the default prompt color to a bold black. %M is “The full host name (with domain name) of the database server, or [local] if the connection is over a Unix domain socket”. %n is the database user name. %/ is the database name. %R is “nor
Replacing NERDTree with Ctrl-P
For many months, I used NERDTree to view my project directory within Vim. During my introduction to Rails application development, it was valuable to see the Rails tree structure in my left sidebar. Two weeks ago, I un-installed NERDTree from my .vimrc because I realized that I could improve my workflow without it. I used to depend so much on NERDTree. With NERDTree, the visual tree structure fixe
Brewfile: a Gemfile, but for Homebrew
Bundler users define dependencies for Ruby applications in a Gemfile and install those dependencies by running bundle install. Homebrew users on macOS can define system dependencies for their projects with a Brewfile: The brew bundle command is automatically installed the first time it is used. Simply create a Brewfile at the root of your project’s directory tree, and run brew bundle while in that
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