Exercise 1: XML On the start page of your Movie DB, show the title of a random movie that is...
Adopting legacy Rails apps Talk to your mentor about how we're approaching applications that are either old or abandoned...
Like you know from "How to tell ActiveRecord how to preload associations (either JOINs or separate queries)", you can tell...
TL;DR Debugging problems with javascript errors in cucumber tests is sometimes easier in the browser. Run the test, stop...
When running tests via parallel_tests, you may encounter an error: cannot load such file -- parallel_tests/gherkin/runtime_logger Error creating formatter...
When testing your command line application with Aruba, you might need to stub out other binaries you don't want...
When you're writing specs for ActiveRecord models that use memoization, a simple #reload will not do: it 'updates on...
We used zeroclipboard.js in some of our projects but now we switched to clipboard.js because it does not rely on...
Instantiating ActiveRecord objects comes expensive. To speed up things, you can choose a more direct way to talk to your...
When working with custom transactions and use ActiveRecord::Rollback you may encounter unexpected behaviour if you try to roll back...
This might be relevant for us since we're often managing customer documents in our apps. I played around with...
We often use VCR to stub external APIs. Unfortunately VCR can have problems matching requests to recorded cassettes, and these...
Run dconf-editor (as your user) Go to org / mate / panel / objects / clock / prefs Change the key format to custom...
Icomoon.io offers a free app to build custom icon webfonts. It offers downloads as webfont set (.eot, .ttf, .woff, .woff2...
We have released a new library Gemika to help test a gem against multiple versions of Ruby, gem dependencies and...
Same requests are recorded only once in vcr. Replaying a test fails, if you trigger the same request multiple times...
Similar to our snippet that runs all Cucumber features matching a given string, the following will run all modified or...
Improve geordi cucumber: Only attempt @solo run when the specified files contain the @solo tag, skip @solo run if any...
Capistrano is by default configured to exclude the gems of the groups development and test when deploying to the stages...
You want Spring for super-fast binstubs like bin/rails or bin/rspec which avoid Rails boot time. You want parallel_tests...
Things to check first Do you deliver fonts in a format that the target IE version understands? Did you double...
Sometimes you want to test migrations with production or staging data. Dumping single tables makes sense if a complete dump...
When you're nesting setTimeout(f, 0) calls, your browser will silently increase the delay to 5 milliseconds after the...
Resources Rails Guide: Internationalization API Guide to localizing a Rails application Locale-aware helpers in ActionView::Helpers::NumberHelper