Most front-end developers have already heard about PostCSS, maybe some of them have tried to use it. It is quite a popular tool nowadays, but not yet as massively used as SASS or LESS. However, the buzz around PostCSS is …

Having real screenshot of a failed integration spec can save hours of debugging. We had screenshot with error on the local development environment, and wanted to have it on Continuous Integration server. Luckily for us, it’s a real no-brainer, if …

Responsive web design is not a feature these days, bur rather a must. So, while implementing responsive layout in your application, you might find helpful adding verifications to your acceptance tests and ensure accessibility/inaccessibility to your app functionality depending on …

Hello my dear friends. Today we will learn about SQL Joins and my new little app that helps to build and understand them. SQL join A SQL join clause combines records from two or more tables in a database. It …

While we’ve been developing one of our products (Mailtrap), we needed to create 2 column page layout with inner blocks stretching down to the whole height of browser window with sticky footer and header. The page layout looks like this: …

During setup of Jasmine 2.0 for AngularJS 1.0.7 application it turned out that they are not compatible. The reason is that Angular 1.0.7 is compatible with the older version of Jasmine – 1.3. And there were several breaking changes in …

After working with branch per feature for a while any Git-repository becomes a mess of outdated and not finished branches. To deal with this issue, we need to clean-up three kinds of branches: Local branches – our day-to-day working branches …

Sometimes, it’s required to setup Rails logger for storing logs into several backends. In our case we decided to use Loggly, but also wanted to leave old file-based logging. Despite the actual solution is very simple, it’s hard to find …

Web Components Web Components are a collection of standards which are currently actively supported by google and mozilla teams. The core idea is that they allow us to bundle markup, styles and javascript functionality into custom HTML elements. And great …

The usual way of storing Rails configuration data are YAML files. In one of our previous posts, we talked about proper way of dealing with Rails configuration. Nowadays, Javascript applications built on top of RESTful API are common practice, and …