Visual regression testing is not a new concept. Toptal engineers routinely use it, but with looming deadlines, they sometimes need to innovate and improvise.
This article demonstrates how Toptal QA specialists leveraged UI testing and Cypress to run visual regression tests without resorting to specialized tools.
NgRx is a popular Angular state management library, but to unlock its full potential developers may require a few new skills.
In this article, Toptal Full-stack Developer Luka Onikadze explains why he became an NgRx admirer after starting off as a skeptic.
Time and date manipulation is notoriously difficult. Developers encountering time zone rules, leap seconds, differences in locale-specific formatting are wise to resort to popular time and date manipulation libraries. But without thinking about how exactly they work, it's still easy to create all sorts of obscure bugs.
The release of Vue 3 brought about substantial performance improvements, but they should not overshadow the introduction of new features and paradigms.
In this article, Toptal Full-stack Developer Luka Mikec introduces you to the new Composition API and explains what Vue 3 means for code expressiveness, organization, and reuse.
Learn practical TypeScript patterns with interfaces and extended classes. Avoid messy console.log() statements with Winston and the Node.js debug module. Create an Express.js-powered REST API back end from scratch!
Adopting declarative-style programming techniques allows teams to create web applications that are easier to extend and maintain.