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Microsoft’s AI-102: Designing and Implementing a Microsoft Azure AI Solution exam is designed for Azure AI engineers who build, deploy, secure, and manage AI solutions using Azure AI services, Azure AI Search, Azure OpenAI, computer vision, natural language processing, knowledge mining, and generative AI capabilities. The exam is proctored, has a listed duration of 100 minutes, and measures practi
Building a Full-Stack Habit Tracker with Claude Code - Part 2: Polish, Testing & Deployment Taking the habit tracker from MVP to production-ready with categories, analytics, comprehensive testing, and Vercel deployment In [Part 1], we built a fully functional habit tracker MVP in about 6-8 hours using Claude Code as our AI pair programmer. We had: ✅ Basic CRUD operations for habits ✅ Date-based
Testing Firefox Extensions with Playwright: End-to-End Testing Guide Extension testing is one of those things everyone knows they should do but few actually do. I've been using Playwright for end-to-end tests on the Weather & Clock Dashboard extension and it's changed how I think about extension quality. Unit tests don't cover the biggest failure modes: Does the extension actually load in Firefo
The most basic concept in test doubles is the dummy. When testing a function, there are usually two kinds of input: Meaningful input Data that affects the result of the function. Dummy input Data that is required by the function, but does not affect the behavior we are testing. Below is an example of meaningful data vs dummy data. This is a calculateShipping function: function calculateShip
Your application fetches a URL. The user supplied it. Your server makes the request, follows the redirect, and returns the content. The URL pointed to http://169.254.169.254/latest/metadata/iam/security-credentials/production-role. Your application just handed the attacker your cloud credentials. SSRF lets an attacker trick your server into making requests on their behalf — to internal services, c
How to Test Firefox Extensions Without Publishing: Local Development Tips Publishing to AMO every time you want to test a change is slow and painful. Here's the full toolkit for local development. The fastest way to load your extension: Open Firefox and go to about:debugging Click This Firefox in the left sidebar Click Load Temporary Add-on... Navigate to your extension folder and select manif
A step-by-step guide for beginners who want a gaming PC and a real enterprise Linux environment on the same machine — with every decision explained in plain English. What Is Dual-Booting and Why Rocky Linux? UEFI, BIOS, and Secure Boot Partitions, File Systems, and GPT The GRUB Bootloader Before You Begin — Checklist Phase 1 — Shrink Your Windows Partition Phase 2 — Download & Flash Rocky Linux Ph