Toptal Engineering Blog

The Toptal Engineering Blog is a hub for in-depth development tutorials and new technology announcements created by professional freelance software engineers in the Toptal network.
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How to Integrate OAuth 2 Into Your Django/DRF Back-end Without Going Insane

So you’ve implemented user authentication. Now, you want to allow your users to log in with Twitter, Facebook or Google. No problem. You’re only a few lines of code away from doing so.

But while there are hundreds of OAuth 2 packages that pip knows, only a few actually do what they’re supposed to do.

In this article, Toptal Software Engineer Peter Goodspeed-Niklaus explains how to integrate OAuth 2 into your Django or Django Rest Framework using Python Social Auth.

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Ionic 2 vs. Ionic 1: Performance Gains, New Tools, and a Big Step Forward

The Ionic project is rapidly gaining in popularity and is one of the most popular open source projects worldwide. With the recent announcement of the stable version of Ionic 2, this is the perfect time to underscore the Ionic 2 and its predecessor.

In this post, Toptal software engineer Julien Renaux outlines the major changes Ionic 2 brought to the platform and explains how to put these new features to good use.

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The Ultimate List of Resources to Learn C and C++

C is often called a middle-level computer language as it combines the elements of high-level languages with the functionalism of assembly language. C allows the manipulation of bits, bytes, and addresses - giving the programmer more control over exactly how the program will behave and a more direct access to the mechanics of the underlying hardware.

C was created, influenced, and field tested by working programmers. The end result is that C gives the programmer what the programmer wants.

C++ is an enhanced version of the C language. C++ includes everything that is part of C and adds support for object-oriented programming (OOP). In addition, C++ also contains many improvements and features that make it a “better C”, independent of object oriented programming.

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Swift Tutorial: An Introduction to the MVVM Design Pattern

On every new project, you have the privilege of deciding how you’ll architect the app and organize the code. But if you don’t pay attention, or you rush through coding, you risk ending up with spaghetti code. The solution? Use a proper design pattern.

In this tutorial, Toptal Software Engineer Dino Bartošak explains how to implement an MVVM design pattern on a demo Swift application.

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Time Management Secrets of an Efficient Engineer

Freelancers work flexible hours, but this convenience comes at a price: They have to manage their time better than on-site professionals. However, it also means they’re free to optimize their routine and achieve exceptional efficiency.

In this post, software engineer Dmitry Ryazantsev will guide you through the ins and outs of personal time management, leaving little to chance. What good are great rates if you waste hours each week?

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Immutability in JavaScript using Redux

In an ever growing ecosystem of rich and complicated JavaScript applications, there’s more state to be managed than ever before: the current user, the list of posts loaded, etc.Managing state can be hard and error prone, but immutability and Redux- a predictable state container for JavaScript apps- can help significantly.

In this article, Toptal Programmer David Xu talks about managing state using immutability with Redux, a predictable state container.

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A Guide to Managing Webpack Dependencies

The Webpack module bundler processes JavaScript code and all static assets, such as stylesheets, images, and fonts. However, configuring Webpack and its dependencies can be cumbersome and not always a straightforward process, especially for beginners.

In this article, Toptal Software Engineer Andrej Gajdos provides a guide with examples on how to configure Webpack for different scenarios and points out the most common pitfalls connected to project dependencies and their bundling when using Webpack.

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How to Build a Multilingual App: A Demo With PHP and Gettext

Making your website or web app available to a wider audience often requires it to be available in multiple languages. For non-English projects, you can increase your audience by releasing it in English as well as your native language. Internationalizing and localizing your project, however, becomes a much easier process if you start during its infancy.

In this article, Toptal Software Engineer Igor Gomes dos Santos shows us how to leverage simple tools, like Gettext and Poedit, to internationalize and localize a PHP project.

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Realm Is the Best Android Database Solution

Since the inception of the platform, Android developers have had pretty much only one option for a database: SQLite. Although feature-rich and powerful, it wasn’t quite what Android app developers needed. Realm, a modern, efficient database solution for mobile platforms, turned out to be an amazing replacement for SQLite on Android.

In this article, Toptal Software Engineer Mateus Gondim Romão Batista explains why you should use Realm for your next Android application.

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PostCSS: Sass’s New Play Date

PostCSS is the hot new tool that’s making the rounds on the front-end side of web development. It has been quickly and widely adopted, and possibly will have a significant impact on how we base our present-day CSS.

In this article, Toptal Software Engineer Nicolás J. Engler introduces us and guides us on how to start using this tool, expand it with plugins, or integrate with other CSS processors, task runners, or bundlers.

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Make Your Web Front-end Reliable with Elm

If you’ve spent your fair share of time developing web front-ends, you know that no amount of libraries and plugins are sufficient enough to make the development experience pleasant. Unpredictable event chains, complex data binding, and lack of structured data modeling only makes things worse.

Elm, a programming language built for front-end development, cuts to the root of all these problems and solves them there.

In this post, Toptal Software Engineer Stanislav Davydov provides a detailed guide to Elm and shows us how The Elm Architecture solves some of the most fundamental challenges of front-end development.

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The Art of Building Self-Service Admin Areas

Software is regular and predictable, so it seems paradoxical that practically every web app needs a sizable administrative area. The explanation for this paradox lies in software’s interaction with humans. While you probably can’t build a fully automated system, there’s a lot you can do to save time and money.

In this post, Entrepreneur Jack Kinsella explains what you can do to streamline administration, thus saving valuable time and making your projects more profitable. Adminimisation is the word of the day!

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Don't Hate WordPress: 5 Common Biases Debunked

Today, WordPress covers more than 50 percent of website shares and serves nearly 60 million websites worldwide. Its popularity has resulted in many misconceptions that have grown and spread like a forest fire, and have made people stay away from WordPress.

In this post, Toptal Software Engineer Donald Mudenge explains the five most common WordPress taboos and myths, clarifies them, and offers solutions on how to overcome them.

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