This is not an issue in newer versions of HAML (starting with 5.0.0), as the ugly-option was removed...
Advanced cucumber features Learn about the following cucumber features: Doc Strings ("multiline strings") Tables Tags Before/after hooks Background Scenario outlines...
If you have a replication error with MySQL and you know the "error" is okay (e.g. you've executed the...
This error message may occur when rspec gets loaded by rake, e.g. when you migrate the test database. NoMethodError: undefined...
Reminder of what you can do with Geordi. Note: If you alias Geordi to something short like g, running commands...
A comprehensive introduction to sending HTML emails. Intro: HTML email: Two words that, when combined, brings tears to a developer...
In general, you should not put a block element inside an inline element. So don't do this: text
Like you know from "How to tell ActiveRecord how to preload associations (either JOINs or separate queries)", you can tell...
Closure_tree lets your ActiveRecord models act as nodes in a tree data structure. This promises a few improvements over...
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...
#reverse_order does not work with complex sorting constraints and may even silently create malformed SQL for rails < 5.
Rails 5 / 6 / 7 Method Uses Default Accessor Saves to Database Runs Validations Runs Callbacks Updates updated_at/updated_on Respects Readonly...
We have released a new library Gemika to help test a gem against multiple versions of Ruby, gem dependencies and...
ActiveSupport::Notifications provides an instrumentation API for Ruby. It is used throughout rails to publish instrumentation events that include information...
We have a new gem Minidusen which extracts Dusen's query parsing and LIKE query functionality. Minidusen can no longer...
If you were using Dusen for its query parsing and LIKE queries, we recommend to migrate to Minidusen, which extracts...
You want Spring for super-fast binstubs like bin/rails or bin/rspec which avoid Rails boot time. You want parallel_tests...
Sometimes you want to test migrations with production or staging data. Dumping single tables makes sense if a complete dump...
PostgreSQL, unlike MySQL, treats strings as case sensitive in all circumstances. This includes comparison with = and LIKE collision detection in...
Here is a symbol of an eight note: ♪ Its two-byte hex representation is 0x266A. This card describes how to...
When building a web application, one is tempted to claim it "done" too early. Make sure you check this list...
Apparently you can pash a second scope to a hash-condition and the whole thing will be evaluated as a...