Getting started with WiFi on the ESP32 is fairly easy but there are some things that are hard to find out - like how to set the country code. This extract is from Programming the ESP32 in MicroPython and shows you how to make a WiFi connection.

Understanding and effectively using Kubernetes resource requests and limits is crucial for managing your applications' performance and stability. Not only can you ensure the optimal operation of your Kubernetes workloads, but also conserve costs in the long run. Here are some tips to help you.

The obvious answer is - it all depends on what you mean by "fast". It will make some things better and inevitably make some things worse. But after agonizing for a long time, the fate of the GIL is sealed.

DevOps is more than just a fusion of development and operations. It is the cultural change that organizations everywhere are adopting to become more agile and innovate at scale.​ CI/CD (Continuous Integration/Continuous Delivery) is one of its central tenets. Here we look at three short online courses on the topic from Coursera, edX and Udacity.

Lightbend has announced a new developer experience for Kalix. Lightbend produces cloud-native microservices frameworks while Kalix is a Platform-as-a-Service, developed by Lightbend, that combines an API-first, database-less programming model with a serverless runtime.

A tweet from Marcus Hutter last month announced a new winner of the €500.000 Prize for Compressing Human Knowledge. €5.187 was awarded to Saurabh Kumar for setting a new world record in compressing a 1GB excerpt of Wikipedia. Why the odd number? It's in recognition of beating the previous record by 1.04%.

..with the 'sqld' daemon and access it over the network using  the PostgreSQL wire protocol. The use cases do not stop there.

Microsoft has introduced TypeChat, an experimental library that makes it easy to build natural language interfaces using types.

Researchers at MIT have come up with a technique to prevent images being altered by AI-powered photo editing. The result of manipulating an image protected by PhotoGuard will immediately reveal it to be fake.

Stack Overflow has unveiled its plans for incorporating generative AI into both its public and enterprise platforms. OverflowAI is a series of initiatives including AI-enhanced search, the most significant being an OverflowAI Visual Studio code extension in Stack Overflow for Teams. Given the way users have abandoned Stack Overflow, will this be enough to attract them back?

FerretDB moves your application workloads from MongoDB to PostgreSQL. Why is that big a deal?

GitHub has announced that its Repository Rules feature is now generally available. Repository Rules can be used to define protections for branches and tags in repositories.  GitHub Enterprise Cloud customers can enforce them across the entire organization.

Increasingly automated code testing is becoming a reality - and with the availability of ChatGPT you need to do little more than ask for it to happen. Here are seven best practices to follow.

Android Programming: The Big Nerd Ranch Guide (5e)

Authors: Bryan Sills, Brian Gardner, Brian Hardy and Kristin Marsicano
Publisher: Addison-Wesley
Pages: 688
ISBN: 978-0137645541
Audience: Kotlin programmers
Rating: 4.5
Reviewer: Mike James

The Big Nerd Ranch Guide to Android is back with a fifth edition. It now covers Compose - but only just.

Shipping Go (Manning)

This book, subtitled "Develop, deliver, discuss, design, and go again" is a hands-on guide to shipping Go-based software. Joel Holmes shows how to build and upgrade an automated software delivery pipeline that supports containerization, integration testing, semantic versioning, and automated deployment. He looks at how to put continuous delivery and continuous integration into action, with guidance on automating your team’s build and reacting with agility to customer demands.

Svelte with Test-Driven Development (Packt)

Subtitled "Advance your skills and write effective automated tests with Vitest, Playwright, and Cucumber.js", this book shows how to build robust and performant applications by developing SvelteKit applications using automated testing and TDD techniques, including unit and end-to-end testing, custom matchers, component mocking, and authentication. Daniel Irvine shows how to use the test-driven development (TDD) workflow, and covers the principles of unit testing with Vitest and end-to-end testing using Playwright and Cucumber.js.

Beyond Everywhere (Post Hill Press)

This book, subtitled "How Wi-Fi Became the World’s Most Beloved Technology" tells the international story of the people who created Wi-Fi, their early battles against skeptical opponents, and how it ultimately exploded across the globe to become synonymous with the internet itself—as told by one of Wi-Fi’s central figures. Greg Ennis tells of the techno/political conflicts at its birth, the battles against competing technologies as it was being nurtured, and the international diplomatic intrigue as it spread across the planet.