Stateless MCP: what changes in the 2026-07-28 specification
The MCP 2026-07-28 specification drops the handshake and sessions. What changes in an HTTP server, and how ours speaks both versions.
Web Technologies
PHP2Shell: what to do if your site runs on PHP or WordPress
PHP2Shell: which PHP versions are patched, how to find the one your site runs, whether you were exposed, and what to check and rotate afterward.
LAMP Step by Step on Your Own Server
Learn step by step how to build a dynamic website with the full LAMP architecture: Linux, Apache, MySQL or MariaDB, and PHP, Perl or Python.
Using Servers and Building a Website
Learn what you can do with a physical server: install Apache, build your first website, edit it with Vim or an IDE, upload files over SFTP and pick a domain.
Hamming Distance, Weight, Space and Spheres Explained
Learn Hamming distance, Hamming weight, Hamming space and spheres, plus how error-correcting codes detect and fix errors, with Hamming(7,4) as the example.
Hamming Code: Error Detection and Correction
Hamming code to detect and correct errors. Step-by-step examples for fixing errors using redundancy bits and the syndrome matrix. Learn how it works.
Hash Code
How does a hash code work? Hash tables and uses like digest, fingerprint, checksum, redundancy, parity bits, CRC and md5sum, with practical examples.
Client-Server: The Client Request
How the Internet works, made easy. Client-Server architecture, the client request, the parts of a URL, and HTTP Request headers explained with examples.
How to Use Multiple GitHub Accounts over HTTPS
Learn how to use several GitHub accounts over HTTPS: configure git so each repository gets its own credentials in your keychain and avoid 403 errors.
Maven in Eclipse
Learn how to get started with Maven in Eclipse and use it. Step-by-step installation and usage. Everything you need to know about Maven.
Maven
Complete Maven tutorial. Learn everything you need to know to master Maven: install it, create projects, lifecycles, plugin goals and the pom.xml file.
Charts on Web Pages with Google Charts
Learn how to create line, pie and geo charts on your web pages with the free Google Charts API and JavaScript, with complete code examples.