If you’re writing high-performance code, what matters is how many CPU instructions you run. Right? That’s what I learned long ago in school, anyway, when I took algorithms and data structures classes. The basic assumption was that reading or writing to memory took a small, constant amount of time, and so you could focus on how many operations were being done. This was so fundamental to how we were taught that we didn’t even have to write real code: pseudo-code […]

In this four-part tutorial series, you’re building a social network with Django that you can showcase in your portfolio. This project is strengthening your understanding of relationships between Django models and showing you how to use forms so that users can interact with your app and with each other. You’re also making your site look good by using the Bulma CSS framework. In the previous part of this series, you added functionality so that users can create dweets on the […]

In this four-part tutorial series, you’re building a social network with Django that you can showcase in your portfolio. This project is strengthening and demonstrating your understanding of relationships between Django models and showing you how to use forms so that users can interact with your app and with each other. You’re also making your site look good by using the CSS framework Bulma. In the previous part of this tutorial series, you built templates and views for displaying a […]

In this four-part tutorial series, you’re building a social network with Django that you can showcase in your portfolio. This project will strengthen your understanding of relationships between Django models and show you how to use forms so that users can interact with your app and with each other. You’ll also make your Django front end look good by using the Bulma CSS framework. In the first part, you extended the Django User model to add profile information that allows […]

For many years, CentOS provided a free, binary-compatible version of RedHat Enterprise Linux (RHEL). But as of January 2022, CentOS 8 has reached its end-of-life, even as RHEL 8 will still be supported for many years. So if you’ve been using centos:8 as your base Docker image, what should you use now? Motivation: a stable, long-term-support base image RHEL 8 was released in May 2019, will continue to get full support until May 2024, and security updates until May 2029. […]

In this four-part tutorial series, you’ll build a social network with Django that you can showcase in your portfolio. This project will strengthen your understanding of relationships between Django models and show you how to use forms so that users can interact with your app and with each other. You’ll also learn how to make your site look good by using the Bulma CSS framework. After finishing the first part of this series, you’ll move on to the second part, […]

Python allows you to import code from ZIP files directly through Zip imports. This interesting built-in feature enables you to zip Python code for distribution purposes. Zip imports also help if you often work with Python code that comes in ZIP files. In either case, learning to create importable ZIP files and to import code from them will be a valuable skill. Even if your day-to-day workflow doesn’t involve ZIP files containing Python code, you’ll still learn some fun and […]