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Scientific computing is hard. But thanks to an ever-growing landscape of open source tools, really tough problems are becoming easier to solve. Toptal engineer Charles Cook provides an in-depth example, leveraging open source tools to solve a problem in computational fluid dynamics.

This Machine Learning tutorial introduces the basics of ML theory, laying down the common themes and concepts, making it easy to follow the logic and get comfortable with the topic.

The Cake development team considers CakePHP 3 to be a game changer. With the alpha version of CakePHP 3 now hot out of the oven, this article takes a fresh look at CakePHP as an effective modern framework for PHP development.

PHP makes it relatively easy to build a web-based system, which is much of the reason for its popularity. But its ease of use notwithstanding, PHP has evolved into quite a sophisticated language, with many nuances and subtleties that can bite developers, leading to hours of hair-pulling debugging. This article highlights ten of the more common mistakes that PHP developers need to beware of.

Ember Data is a library for robustly managing model data in Ember.js applications. Ember Data offers a more flexible and streamlined development workflow, minimizing code churn in response to high-impact changes that would otherwise be disruptive. This comprehensive guide introduces the key constructs and paradigms of Ember Data, demonstrating the value it can bring to you as a developer.

Which Ruby implementation is right for your project? While the reference implementation (Ruby MRI) remains the interpreter of choice, an alternate Ruby implementation may be right for your project, depending on your operational goals and constraints.

This article showcases the Ruby interpreter implementations and runtimes available today, discussing the advantages and disadvantages of each.

Web services and their APIs abound. Unfortunately, the vast majority are difficult to use. Reasons range from poor design, to lack of documentation, to volatility, to unresolved bugs, or in some cases, all of the above.

Follow the guidance in this post to help ensure that your web API is clean, well-documented, and easy-to-use. Such APIs are truly rare and are therefore much more likely to be widely adopted and used.

Rails is both easy to use—and also to misuse. Let’s look at 10 common Rails programming mistakes, explore their consequences, and discover ways to steer clear, as we write clean Ruby on Rails code.

Don’t wait for a data breach to happen before making security a priority. This article explains how to set up a proactive web app defense and avoid the top 10 most common security pitfalls.

It’s astounding how few business owners properly account for the real cost of their labor. This article presents tried and true methods—including an online calculator—for calculating the real cost of your employees and consultants, enabling you to perform a sound financial analysis when faced with the “employee versus consultant” dilemma.

In this follow-up to his first highly popular AngularJS tutorial, Toptal engineer Raoni Boaventura guides you through the steps of setting up your project, including scaffolding, dependency management, and preparing it for testing.