This is a flexible and reusable solution for multiple uploads, using STI model to save all the uploaded assets in one "assets" table and using polymorphic model to reuse "Asset" model in different uploadable models. Read More

override the to_s to make the method sensible instead of "display_name", "format_name".. Read More

Using css sprite can reduce a large number of http requests, so it makes the web page loaded much faster. It it painful to composite a lot of images manually, do it automatically. Read More

For reliable formatting of a date/time string in the desired language, use I18n.localise, Time#strftime can cause u unnecessary headache. Read More

Rails uses plain/text as the default content_type for sending email, you should change it to multipart/alternative that email clients can display html formatted email if they support and display plain text email if they don't support html format. Read More

Use asset host for cookie-free domains for components, that make your components load faster. Read More

Read More

Use YAML's anchor and reference syntax to DRY up your database.yml file. Read More

When a scenario has too many steps, it becomes hard to read & follow. Using nested step helps to clean up the scenario, & helps promote reusability of groups of steps, think of it as code refactoring. Read More

Very often, we tend to repeat a number of common steps in all scenarios within a feature, to dry things up, as well as improve readability (helping reader to better focus the intent of each scenario), we can use 'Background'. Read More