Plot graphs in Ruby WebGraphviz renders in your browser via JavaScript (to store the rendered graph, extract the SVG using...
Like you know from "How to tell ActiveRecord how to preload associations (either JOINs or separate queries)", you can tell...
This method will remove automatically installed packages that no other packages depend on any more. This, of course...
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...
Yesterday I stumbled across a talk in which the guy mentioned module sub-classing. I was curious what you can...
In order to have monitoring for Sidekiq (like queue sizes, last run of Sidekiq) your application should have a monitoring...
Closure_tree lets your ActiveRecord models act as nodes in a tree data structure. This promises a few improvements over...
When working with custom transactions and use ActiveRecord::Rollback you may encounter unexpected behaviour if you try to roll back...
If you are fine with the default console diff most of the time but only sometimes want to use an...
If you want to find the commits that touched a specific text in a file, use git log -G 'text...
Using the -U parameter you can change how many lines are shown above and below a changed section.
You might get the above error message when cloning certain git repositories (for example the rails repository). It indicates that...
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...
When you are calling Bundler from your shell scripts, you might find it useful that a failed bundle call returns...
Similar to our snippet that runs all Cucumber features matching a given string, the following will run all modified or...
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...
Git is hard: screwing up is easy, and figuring out how to fix your mistakes is fucking impossible. Git documentation...
You want Spring for super-fast binstubs like bin/rails or bin/rspec which avoid Rails boot time. You want parallel_tests...
Sometimes you might need to nest a git-project inside another git-project. The right strategy is to use submodules...
A new open source WYSIWYG editor that promises superior fidelity and customizability. This might be a future alternative to Redaktor...