Building a Supermarket Data Pipeline

Oliver Samuel |
How I Built an Automated System That Turns Messy Sales Data Into Business Gold Ever wonder how your favorite supermarket knows exactly when to restock the shelves, which products are flying off the racks, or why they always seem to have your favorite snacks in stock? The secret lies i... read more

How to Configure JDK 25 for GitHub Copilot Coding Agent

Bruno Borges |
GitHub Copilot coding agent runs in an ephemeral GitHub Actions environment where it can build your code, run tests, and execute tools. By default, it uses the pre-installed Java version on the runner—but what if your project needs a specific version like JDK 25? In this post, I'll show you how to... read more

2026-02-05 Daily Robotics News

Dan |
The humanoid chassis is hardening into the universal substrate for physical agency, with Tesla's Optimus positioned as the first Von Neumann self-replicator capable of bootstrapping planetary infrastructure while XPENG's IRON demonstrates street-ready balance and public deployment viability in Shen... read more

Uniswap V3: When collect() Is More Than “Collect Fees”

decoder man |
Uniswap V3 introduced concentrated liquidity, NFTs for positions, and a much more expressive — but also more subtle — event model. One consequence of this design is that on-chain events can be perfectly correct, yet still semantically confusing for end-users. A common example is the Collect actio... read more

Why the Next AWS Outage Will Cost You More Than the Last One (And What to Do About It)

Tessa Kriesel |
When AWS US-EAST-1 went dark on October 20, 2025, over 3,500 companies across 60 countries went down with it. Not because their code was broken. Because their architecture was. Here's what happened: a race condition in DynamoDB's DNS management system triggered a cascade that took down everything... read more

A few months ago, I decided to self-learn machine learning and AI as a personal challenge.

Mac Alliste |
I am Mac, African and student in civil engineering. With a strong passion for mathematics, I turned my attention to computer science in January 2025. I first mastered computing logic before learning C programming. By July, I felt the need to move past small-scale projects and specialize. Although sy... read more

GitCoach : The Git Mentor That Teaches You While You Work (GitHub Copilot CLI Challenge)

Kéwin Poszalski |
What I Built GitCoach is an interactive CLI tool that replaces raw Git commands with guided, educational menus — and uses GitHub Copilot CLI as its AI backbone for 5 distinct features. The problem it solves is simple: Git is powerful but hostile to learners. Beginners memorize commands ... read more

DEV Journey - HTML5/CSS3/JS/PHP8x/MariaDB12x [Linux-BSD] | Dynamic DB Driven Template Framework

Brandon Kastning |
As my first thread here; I want to start with my beginnings of "From Scratch" Web Development utilizing Open Source Technologies and my Heavy-weight Commercial IDE by JetBrains, PHPStorm in a Linux/Unix-BSD/POSIX Compliant Environment. My first approach is to grasp the concept with a POC (Proof of... read more

Copilot SDK for Java 1.0.7: Session Lifecycle Hooks and Enhanced Observability

Bruno Borges |
I'm excited to announce the release of Copilot SDK for Java v1.0.7, bringing powerful new capabilities for session lifecycle management, improved observability, and comprehensive documentation. This release represents a significant step forward in feature parity with the official .NET SDK, with 54 ... read more

Coding Challenge Practice - Question 115

Bukunmi Odugbesan |
The task is to implement memoizeOne(). The boilerplate code function memoizeOne(func, isEqual) { // your code here } memoizeOneis a lightweight memoization function that caches only the most recent function call result. Previous arguments, result and context have to be stored. And also ... read more