H3samBot: A Chatbot That Runs Entirely in Your Browser, With No Server or API Key
Most chatbots need a server, an account and an API key that costs money for every question. H3samBot, which I built, needs a browser. It…
A Simple Inventory App With Node.js, Express and SQLite, Plus a REST API
Most inventory tools want an account, a subscription and a week of setup before they’ll tell you how many HDMI cables are in the cupboard….
The Same Coding Tasks in Java, Python, JavaScript and TypeScript, Side by Side
Learning a second programming language is mostly discovering that you already know the ideas. A loop is a loop; only the syntax changes. My Multi_Language_Project…
Learn the Java Stream API With 22 Runnable Examples, One Operation per File
The Java Stream API is much easier to learn when you can run one operation at a time and watch what it prints. That’s the…
Run Your Own MySQL for SQL Practice: XAMPP and DBeaver on Localhost, With an HR Database
To practise SQL you need a database you’re allowed to play with. Online sandboxes reset when you close the tab, and cloud databases want a…
Learn SQL by Doing: 100 Practice Questions on Two Real Databases, With Checked Answers
You don’t learn SQL by reading about it. You learn it by typing a query, running it, and looking at what comes back — then…
API Testing Practice With Postman: GET, POST, PUT, PATCH and DELETE on Your Own Local Server
Learning API testing has a chicken-and-egg problem: you need an API you’re allowed to change. Public practice APIs are mostly read-only, so you can send…
A Ready-Made Java Test Automation Framework: Selenium, Cucumber, REST Assured and JDBC
Every new test automation project starts with the same ten decisions: where the browser driver lives, how configuration is read, what happens after a failed…
Turn a Mac mini, Raspberry Pi or Mini PC Into a Home Server With ZimaOS or CasaOS
There’s probably a computer in your house doing nothing: a Mac mini that got replaced, a Raspberry Pi from a finished project, a small PC…
Reach Your Home Server From Anywhere for Free: DuckDNS, Nginx Proxy Manager and HTTPS
You have something running at home — a media server, a photo backup, a dashboard. It works perfectly on your own Wi-Fi, and the moment…
