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Toptal engineer Jurgens du Toit looks at the possibility of using Logstash to regain control of your inbox and make your error emails manageable again, all without changing a single thing in your app.

Logstash can effectively leverage the power of Elasticsearch and Amazon SNS to streamline email notifications and save time.

Although the most wide-spread and supported way of running Django is on a Linux system (e.g., with uwsgi and nginx), it actually doesn’t take much work to get it to run on IIS. In this article, Toptal Engineer Ivan Voras walks you through a step-by-step tutorial, clearly explaining how to install Django on IIS.

A business rules engine is a tool for executing business rules. Business rules are composed of facts and conditional statements. Any “if-then” statement that appears in traditional business logic qualifies as a business rule.

The Internet is becoming “smarter” every day. The video-sharing website that you frequently visit seems to know exactly what you will like, even before you have seen it. The online shopping cart holding your items almost magically figures out the one thing that you may have missed or intended to add before checking out. It’s as if these web services are reading your mind—or are they?

Turns out, predicting a user’s likes involves more math than magic. In this article we explore one of the many ways of building a recommendation engine that is both simple to implement and understand.

A thorough and practical introduction to concurrent and parallel programming in Ruby, presenting and contrasting a number of techniques and options available, from the standpoints of both performance and complexity. Discusses forking, multithreading, the Global Interpreter Lock (GIL), and more.

In our previous post on the GWT Web Toolkit, we discussed the strengths and characteristics of GWT to mix Java and JavaScript libraries seamlessly in the browser. In today’s post, we would like to go a little deeper and see the GWT Toolkit in action. We’ll demonstrate how we can take advantage of GWT to build a peculiar application: an augmented reality web application that runs in real time, fully in JavaScript, in the browser. We’ll focus on how GWT gives us the ability to interact easily with many JavaScript APIs, such as WebRTC and WebGL, and allows us to harness a large Java library, NyARToolkit, never intended to be used in the browser.

You hear a familiar song in the club or the restaurant. You listened to this song a thousand times long ago, and the sentimentality of the song really touches your heart. You desperately want to heart it tomorrow, but you can’t remember its name! Fortunately, in our amazing futuristic world, you have a phone with music recognition software installed, and you are saved.

But how does this really work? Shazam’s algorithm was revealed to world in 2003. In this article we’ll go over the fundamentals of that algorithm.

Microsoft has a long tradition of spicing up relatively dull product announcements with compelling tech demos, and the Windows 10 announcement was no exception. The software giant used the opportunity to create a fair amount of buzz about the HoloLens, a futuristic headset that offers a glimpse into the future of Augmented Reality (AR).

Modern web browsers provide a rich set of APIs; some of which have been around for a long time, and have since been used to build powerful web applications.

Web Audio API has been popular among HTML5 game developers, however, the Web MIDI API and its capabilities have yet to be utilized. In this article, Toptal engineer Stéphane P. Péricat guides you through the basics of the Web MIDI API, and shows you how to build a simple monosynth to play with your favorite MIDI device.

When coming across the term “text search,” one usually thinks of a large body of text which is indexed in a way that makes it possible to quickly look up one or more search terms when they are entered by a user. This is a classic problem in computer science to which many solutions exist.

But how about a reverse scenario? What if what’s available for indexing beforehand is a group of search phrases, and only at runtime is a large body of text presented for searching?

There are many programming platforms used to develop games, and there are a plethora of devices to play them on, but when it comes to playing games in a web browser, Flash-based development still leads the way.

What if we could port these games to HTML5 Canvas technology and play them on mobile browsers as well? In this article, Toptal engineer Avinash Kaza gave a solution to this.