Toptal Engineering Blog

The Toptal Engineering Blog is a hub for in-depth development tutorials and new technology announcements created by professional software engineers in the Toptal network.

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The Back End: Using Gatsby.js and Node.js for Static Site Updates

by Furkan Yavuz

Static websites are simple and fast, but it's also possible to automate updates to them to keep them fresh and relevant. Find out how to generate daily-updated HTML pages that track the latest releases of popular GitHub repositories.

10 minute readContinue Reading
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Benchmarking A Node.js Promise

by Omar Waleed

You can just write sequentially executed code in JavaScript, but should you? In this article, Toptal Freelance JavaScript Developer Omar Waleed tests the widespread Node.js belief that synchronous code degrades performance and is, in a sense, just plain evil. Is this really true?

7 minute readContinue Reading
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How to Implement T9 Search in iOS

by George Vashakidze

T9 predictive text has been around for ages, and it lost relevance with the advent of modern smartphones. However, T9 can still be a useful addition to certain types of apps on iOS. In this article, Toptal Swift Developer George Vashakidze explains why T9 can still be useful and practical, and how you can add it to your next iOS app.

8 minute readContinue Reading
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Build a QR Scanner: A React Native Camera Tutorial

by Bassam Seif

Cross-platform mobile apps are increasingly being built with React Native. But how can you scan for QR codes and augment the user's camera view when they're present?

6 minute readContinue Reading
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Using Spring Boot for WebSocket Implementation with STOMP

by Tomasz Dąbrowski

The WebSocket protocol is one of the ways to make your application handle real-time messages. The most common alternatives are long polling and server-sent events. In this article, Toptal Freelance Java Developer Tomasz Dąbrowski shows us how to implement WebSockets with the Spring Boot framework, and use STOMP for effective client-server communication.

8 minute readContinue Reading
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Laravel Zero Downtime Deployment

by Elene Latsoshvili

Updating live applications used to be a tedious and somewhat risky affair, but with the emergence of modern development frameworks and tools, updates and deployment are becoming straightforward. In this article, Toptal Java Developer Elene Latsoshvili explains how you can update a Laravel app with zero downtime, and how this can be done for most PHP applications.

7 minute readContinue Reading
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7 Debugging Techniques To Speed Up Troubleshooting in Production

by Flavio Pezzini

Providing production support to an application is one of the most challenging aspects of software development. In this article, Toptal Freelance Java Developer Flavio Pezzini shows us techniques that can prevent bugs and make finding issues in production much faster.

6 minute readContinue Reading
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Angular Components 101 — an Overview

by Valters Valdersteins

While components have been available in Angular since the beginning, they’re still easy to mess up with common mistakes like people not using them at all, creating components instead of attribute directives, and more. In this article, Toptal Freelance JavaScript Developer Valters Valdersteins differentiates the correct and incorrect ways to use Angular components and illustrates them with examples.

11 minute readContinue Reading

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