Engineering

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Bootstrapping Django App with Cognito: Personal Experience
Nowadays, more and more developers integrate their app with Single sign-on (SSO) services. It greatly increases the speed of development, because the basic routine is already implemented, tested, and hosted: sign-in, registration, reset password, 2FA, email and phone verification, welcome-email, and other. It’s especially useful if you have a microservice architecture – once a user is authorized, they can send requests to any of them. Below, I’ll share tips on...
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Testing Your Django App With Pytest
Helps you write better programs. — pytest Many developers from Python community heard of and used unit testing to test their projects and knew about boilerplate code with Python and Django unittest module. But Pytest suggests much more pythonic tests without boilerplate. Table of Contents Why You Should Use Pytest? Pros of Using Pytest Cons of Using Pytest Short Introduction to Pytest Setting up Pytest for Django Project 1. Installation 2....
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How to Develop APIs with Django REST Framework
If you know the basics of the field you work in, you can master any technology, reach higher levels as developer, and create better products. In this article, we’ll talk about building APIs and how to do it, step by step. I believe this is going to be useful for all beginner Django developers, as REST APIs are used in every application or piece of software to connect the backend...
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Implementing Third-party API Layers in Fintech Applications
Nowadays, fintech products are everywhere. They visibly or invisibly improve our lives and have made getting loans, mortgages, and other banking services easier and more accessible than ever. This industry boom has initiated a dramatic burst of new startups on the market. The stakes are high, and the competition is tough. In competing for clients, companies are inventing more and more sophisticated features, making products more user-oriented, or presenting ever...
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Testing Requirements: How to Get Good Ones and How to Deal With Bad Ones
Every day, all we QAs do is test. APIs, user interfaces, cross-browser compatibility, business logic, etc. To know whether a product works the way it’s supposed to, we need to know the requirements. But the sad truth is that the life of an average engineer consists of developing and testing work with badly formulated requirements – if there are any at all. This way, engineers in software quality assurance are...
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What Is the Best IDE for Python Development?
There is no better way to build in Python than by using an IDE (Integrated Development Environment). They not only make your work much easier as well as logical; they also enhance the coding experience and efficiency. Sure, everyone knows this. However, the problem is, how do you pick the best environment for Python development when there are so many options? This often becomes an issue that beginner developers have...
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Unit and Integration Testing of React/Redux Forms
After seeing the amazing feedback and requests that followed my latest article on What and How to Test with Jest and Enzyme, I’d love to share a couple of other test cases. Today, we’ll talk about testing React forms that are connected with Redux, considering both unit and integration testing. Hopefully, you’ll find something useful below. So, what’s on the agenda? Unit vs. Integration Testing Test Preparations: Form Review Testing...
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My Story with Go, Python, and Benchmarks
Hello, my name is Vadym, and this is my story about how I started learning Go, what it felt like compared to Python (the language I currently use at work), and benchmarking. I believe that every developer should learn constantly to be good at what they do. And it’s not only about knowing new frameworks, databases, or platforms like AWS Lambda. It’s about knowing how the services you use from...
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Getting Started with Mobile Geolocation Testing
This introductory article on geolocation testing is intended for quality assurance (QA) and test engineers working with web applications, and cross-platform (React Native) and native (iOS, Android) mobile applications. It offers step-by-step instructions on how to start geolocation testing on your project, and also describes the pros and cons of several possible approaches. Here you will also learn such key concepts as back-end representation, data generation, data validation, emulation, and...
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The Python Celery Cookbook: Small Tool, Big Possibilities
Everyone in the Python community has heard about Celery at least once, and maybe even already worked with it. Basically, it’s a handy tool that helps run postponed or dedicated code in a separate process or even on a separate computer or server. This saves time and effort on many levels. Table of Contents An Introduction to the Celery Python Guide Celery Basics Primary Python Celery Examples Celery For Advanced...
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Configuring Django Settings: Best Practices
This article is intended for engineers who use the Django framework. It gives a deep insight into configuring Django project settings, and the pros and cons of different approaches. In the article, you will also find recommendations concerning tools, best practices and architectural solutions, all time-tested and proven by successful projects. Table of contents: Managing Django Settings: Issues Setting Configuration: Different Approaches settings_local.py Separate Settings File for Each Environment Environment...
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Testing Third-Party Integration Using Mock Data
We’ve all long since gotten used to third-party services within apps and platforms we use on a daily basis, and we don’t even notice them. Through an API, third-party services can be integrated with any other service to add a larger set of functions – like logging into cooking websites with Facebook, or getting bank information to get an online mortgage. These truly can be used in everything from entertainment...

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