Dream of the kind of world
you wanna live in.
Dream it out loud,
at high volume

Bono, U2

05 Feb 2014We take care

We write idiomatic code

When we write Ruby code, we do it the Ruby-way. Same goes with Javascript or Perl or Go. We read code a lot and know how to use language-specific benefits and avoid the drawbacks. Our code is not different from any other code.

We follow Rails conventions

Ruby on Rails comes with its own set of assumptions and conventions (which is why it is called opinionated). We are not only aware of these, but we follow them in our everyday work. Recommended reading The Rails 3 Way, Obie Fernandez.

We follow common styleguides

There are a couple of good styleguides around on GitHub and others. We know them, we use them and we highly recommend them. Even to the point to force ourselves by setting up these guides in our editors. For example Styleguide for Ruby.

We use best practices

We visit conferences and read books to know how the good guys write code. We listen to people telling us about not the better ways, but the best ways to achieve our goals. Every day.

We read all the commits

It’s our codebase. We love it and we don’t want anyone destroying it. This is why we read any commit coming in. I mean literally, every commit.

We do pair programming

If the issue to tackle is complicated, or we just want to talk to someone while writing code, we simple ask anyone to join us in doing the work. Call it 4-eye-principle, Wackeldackel or Rubberduck, it’s on our toolbelt, ready to be used when needed.

We have a refactoring board, from which we pick regularly

Technical debt is everywhere. Our means to tackle this pile of guilt is our refactoring board, which grows and shrinks, visible for each and everyone. No process needed. There is always time to change existing and running code. No broken windows allowed.

We use pull-requests to review code

We have a number of ways to push our code to the repository. Sending pull requests is one of them. We ask others to take a look (or even ask ourselves one day later), before we let it go into the wild. Simple and effective, if needed.

We talk about our code

There’s a plethora of chances to talk about our codebase. Stand-ups, coffee-times, ad-hoc discussions, lunchtime, and so on. Non-coders disrespectfully shake their heads on us talking so much about our work. We always talk about major code changes long before we implement them.

We know what everybody is working on

In order to avoid conflicts we tell others what we are working on. No surprises, and no major merge conflicts. And even if we are working in the same code area, we are able to handle any conflict showing up.

We know our co-workers

By working together every day, we know each others leanings, our strengths and weaknesses. So we know when we have to support each other on tackling complex problems and writing code. Even when someone tries something new and experiments around, we trust what they are doing, because we know they are doing right.

We seek code smells

Whenever we write code, we take a look around, identifying and marking code smells. We utilize TODO, FIXME and QUESTION a lot, and find the time to decover these spots and remove them.

We modularize our code

Even with all conventions, the codebase grows to a point where it is no longer maintainable. We sport modules, mixins, concerns, gems, plugins, packages. We know when to use inheritance and STI or composition. We do this to remain focused on our given business case.

We test

A lot. All kinds of tests. Sometimes first and sometimes after we write the actual code. No bug without adding a test. No refactoring without a test. To write a test it to write code. We utilize test coverage, but 100% is not our goal. That’d be insane. There’s a kind of test for each usecase. We use the one most appropriate.

We struggle for fast tests

While writing tests is important, having a fast test suite is equally important. Slow tests won’t be run, it’s simple as that. That’s why we observe the trend on Jenkins (or Travis CI).

We check the performance

Every code change might have an impact. This is why we do log-jammin’. We do it regularly and a lot. Logjam is a great tool for that.

We update

We not only keep our tools up-to-date, we keep the tiny bits of libraries and packages up-to-date as well. We not only update gems mentioned in the check-gem-versions build, we check for rarely used or development-only gems as well.

We give back

Monkey-patching is easy. And dangerous. This is why we have a natural tendency to return our code changes back to the original developers, in order to improve their code and let ours grow smoothly and independently. We pullup a lot.

We organize our codebase

Rails provides good means to organize the code. But that’s not sufficient. There are authorizers, utilities, external APIs, decorators and so on. And there’s a neat little place for all of them.

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