Toptal Blog

The Toptal Blog is the top hub for developers, designers, management consultants, executives, and entrepreneurs, featuring key technology updates, tutorials, freelancer resources, and management insights.

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Toptal core team members share their experience, expertise, and perspectives on the Toptal Edge Blog

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Speeding up Application Development With Bootstrap

Bootstrap, one of the most used HTML/CSS/JavaScript front-end frameworks, offers a little more than just fancy customizable user interface elements. It provides a great starting point for many types of projects, a plethora of components, and many nifty styles predefined for responsive layout and utility classes to help keep your HTML and CSS code clean.

In this article, Toptal designer Lijana Saniukaite walks us through some practical Bootstrap tips and best practices to speed up your application development.

9-minute readContinue Reading
Lijana Saniukaite

Lijana Saniukaite

Lijana has 11+ years leveraging her skills in full-stack web/mobile development, QA, project management, entreprenueurship, and design, too.

Debugging Memory Leaks in Node.js Applications

Memory leaks in long running Node.js applications are like ticking time bombs that, if left unchecked in production environments, can result in devastating outcomes. These bugs are often considered to be hard to find. However, with the right tools and a strategic approach, memory leaks can not only be solved but also avoided in the future. In this article, Toptal engineer Vladyslav Millier gives us insight into what memory leaks are, how some sophisticated debugging tools can be used to find memory leaks, and how to plug them once and for all.

11-minute readContinue Reading
Vlad Miller

Vlad Miller

Vlad is a versatile software engineer with experience in many fields. He is currently perfecting his Scala and machine learning skills.

The GWT Toolkit: Build Powerful JavaScript Front Ends Using Java

The GWT Web Toolkit, formerly known as Google Web Toolkit, is a set of development tools for building and optimizing complex browser-based applications using the Java programming language. What makes GWT not “yet another Java tool to write web apps,” is the fact that the heart of the toolkit is a compiler that converts Java into JavaScript, enabling developers to write front-end web applications while leveraging all of Java’s strengths.

11-minute readContinue Reading
Alberto Mancini

Alberto Mancini

Dr Alberto spent 20 years working as a researcher in Applied Math & is experienced in managing large computational infrastructures.

Developer’s Guide to Open Source Licenses

Many developers often overlook, or do not thoroughly think through the implications of open source licenses. Whether you’re planning to open source your own project under one of these licenses, or you intend to integrate some other open source project into one of your own, it’s important to have at least some knowledge of what these licenses are, how they may affect your projects, and how they complement or contradict one another. In this article, Toptal engineer David Marín gives us a comprehensive guide to some of the most popular open source licenses, and several rules of thumb to follow when choosing a license for future open source projects.

15-minute readContinue Reading
David Marín

David Marín

David is an open source and open data enthusiast with 18 years of experience as a professional developer specialing in web development.

Towards Updatable D3.js Charts

When Mike Bostock created D3.js, he introduced a tried and true reusable charts pattern for implementing the same chart in any number of selections. However, the limitations of this pattern are realized once the chart is initialized. In this article, Toptal engineer Rob Moore presents a revised reusable charts pattern that leverages the full power of D3.js.

11-minute readContinue Reading
Rob Moore

Rob Moore

where he tries to bring to the web development the experiences got in the field of HPC and (Big) Data Processing.

Apple Pay and Android Pay for Developers

Today, we will be taking a look at the future of mobile payments and emerging opportunities for developers. Needless to say, with each new opportunity, developers will have to face new challenges.

However, since we are talking about money, I don’t think anyone expects a shortage of software developers eager to learn a few new tricks and get into this space.

12-minute readContinue Reading
Nermin Hajdarbegovic

Nermin Hajdarbegovic

As a veteran tech writer, Nermin helped create online publications covering everything from the semiconductor industry to cryptocurrency.

Software Reengineering: From Spaghetti to Clean Design

Inheriting someone else’s code can be a nightmare, especially when the code is poorly designed and lacks documentation. In this post, Toptal Engineer Juan Pablo Scida provides a case study of how he reengineered a chat server written in Node.js, transforming its original spaghetti code into a cleanly architected and designed piece of software.

10-minute readContinue Reading
Juan Pablo Scida

Juan Pablo Scida

Juan is a software architect with more than 10 years of experience. He is a certified .NET and Java developer, and loves Node.js and Erlang.

Implementing a Remote Framebuffer Server in Java

Connecting to remote computers and working on them through terminals over a network is something we often take for granted. Technologies that enable us to do this have changed the way we work and have opened doors to amazing possibilities. Although the inner workings of these technologies may seem like obscure knowledge, implementations of many of these technologies are surprisingly straightforward. In this article, Toptal engineer Igor Delac gives us a step-by-step tutorial on how to implement the Remote Framebuffer server-side protocol in Java, allowing Swing-based applications to run and be interacted with remotely using standard VNC clients.

15-minute readContinue Reading
Igor Delac

Igor Delac

Igor is an enthusiastic and skilled professional with experience in Java development, system administration, and he loves to experiment.

A Remote Worker's Guide To Staying Healthy

There are a lot of developers who take good care of themselves and enjoy a healthy, active lifestyle. If you are one of them, you can skip the rest of this post, because I wrote it to help developers like myself, who could benefit from a healthier lifestyle.

Even if you are entirely focused on your career, and think you don’t have enough spare time to lead a healthy lifestyle, bear in mind that good physical health will also boost your productivity.

11-minute readContinue Reading
Victor Abadio

Victor Abadio

Victor is a front-end developer & wordPress specialist with 7+ years of experience as a freelancer. He has worked with agencies & start-ups.

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