Recently, we set up a new Rails project (named as app below), and our database.yml is shown below, so you can see that it reads from environment variables to set database names and credentials accordingly:
default: &default adapter: postgresql...Due to the dynamic nature of Ruby, it is hard to locate a method definition statically. Thus, we can only find the method definition accurately at runtime. Here are some tips.
Suppose we have an object called foo. We can use foo.methods to find...
As a Rails developer, you should have worked with Sprocket to deal with front-end resources. This article highlights a key difference between require and require_tree.
When require is used, Sprocket searches the file from search paths. You can...
As a ruby programmer, you probably already know that the code files in gem's lib folder are automatically loaded into $LOAD_PATH when you require the gem.
Today, I encountered a scenario that I have to manually load source code files from spec...
We have a rails app, and I am developing a rails engine (let's call it engine A) to attach to the rails app. Engine A is specified in the gem file of the rails app. Engine A is a wrapper of a public rails engine gem (let's call it engine B), so...
Recently we adopted docker to automate the deployment process. Everything worked great on small projects, and we really enjoyed that.
However, we encountered gem installation timeout problem when migrating a big project. The error happened...
Refinery CMS is using Devise as authentication provider. Devise supports session timeout, but Refinery CMS does not enable it by default. Anyway, it is always good to set a session timeout for logged in users to improve security. There are...