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NGINX, a sophisticated web server, offers high performance load balancing features, among many other capabilities. Like most other web server software for Unix-based systems, NGINX can be configured easily by writing simple text files. However, there is something interesting about tools that configure other tools, and it may be even easier to configure an NGINX load balancer if there was a tool for it.

In this article, Toptal engineer Mahmud Ridwan demonstrates how easy it is to build a simple tool with a web-based GUI capable of configuring NGINX as a load balancer.

Building cross-platform desktop applications has been something of a nightmare for a very long time, as extreme differences between popular desktop operating systems makes it a challenging feat. However, in light of newer tools and frameworks like Electron, building a cross-platform desktop application has never been easier. In this article, Toptal engineer Stéphane P. Péricat walks us through a step-by-step tutorial to building a cross-platform password key-ring desktop application using technologies that most of us are already familiar with.

Is open source scary? Do developers think that nobody would be interested in their personal projects? What are the fears associated with publishing your own work for the public to see? In this article, Toptal Director of Engineering Anna Chiara Bellini shares how, as an accomplished engineer, she made her first contribution to GitHub. This guide features all the step-by-step basics to getting involved in open source, including everything from what open source software is, to how to start working with Git and GitHub, to actually making meaningful contributions to open source projects.

You’ve heard of Bootstrap, but what is Bootstrap, exactly? A powerful collection of HTML, CSS, and JavaScript tools, it makes responsive web development easy. Get started with the basics of Bootstrap.

One of the most misused, misunderstood, and neglected of all the Rails built-in structures is the view helper. Helpers often get a bad reputation for being a dumping ground for one-off methods used across the entire application’s view layer. But what if your helpers could be more semantic, better organized, and even reusable across projects? What if they could be more than just one-off functions sprinkled throughout the view, but powerful methods that generated complex markup with ease leaving your views free of conditional logic and code?

Let’s see how to do this when building an image carousel, with the familiar Twitter Bootstrap framework and some good old-fashioned object-oriented programming.

Every once in a while PHP developers are charged with tasks that require them to extend the functionalities of legacy projects, a task that often includes building REST APIs. Building a REST API for PHP-based projects is challenging, but in the absence of proper frameworks and tools, it can also be a particularly difficult goal to get right. In this article, Toptal engineer Arminas Zukauskas shares his advice, with sample code, on how to build a modern structured REST API around existing legacy PHP projects.

Software performance in production is hard to analyze. Things can go wrong at any time, and code can start executing in ways that weren’t planned for. In these cases, what do we do? In this article, Toptal engineer Juan Pablo Scida analyzes a real scenario of high CPU usage of a web application. He covers all the processes and .NET code analysis involved to identify the problem, explains how the problem was solved, and most importantly, explores why this problem happened in the first place.

Image processing algorithms are often very resource intensive due to fact that they process pixels on an image one at a time and often requires multiple passes. Successive Mean Quantization Transform (SMQT) is one such resource intensive algorithm that can process images taken in low-light conditions and reveal details from dark regions of the image.

In this article, Toptal engineer Daniel Angel Munoz Trejo gives us some insight into how the SMQT algorithm works and walks us through a clever optimization technique to make the algorithm a viable option for handheld devices.

Toptal has a strong remote culture), to say the least. To keep up with each other, we need a tool to keep team members in sync, where we can reach any other person at a moment’s notice. We use Skype as our main communication channel among Toptal’s core team.

Over the years, Skype has grown a lot, and has become a versatile tool that can be used on all of your devices at once, syncing chat amongst them, and providing a simple way to call and share screens. It is a tool that we leverage every day for our internal operations.

As heavy Skype users, there are a few things we’ve noticed that might not be clear to everyone. Here are a few tips on how you and your remote team can get the most of of Skype.

Force Touch is not a new idea. BlackBerry experimented with the concept back in 2008, and a few Android phone makers also examined the possibility of using Force Touch on their products. In fact, Force Touch support has been a part of Android for years; it was introduced in Android 1.0.

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.