DeepSeek-OCR: Reducing the Number of Tokens with Visual Context Compression
By converting documents into visual tokens, DeepSeek-OCR uses 7-20 times fewer tokens in text-based OCR processes and offers high accuracy.
Developing a Web Blog Application from Scratch with Flask and SQLite
Develop a basic blog application using Flask micro framework and SQLite. Learn route definition, Jinja templates and CRUD features step by step.
Nginx Location Directive: Exact Match, Regex and Proxy Configurations (2025 Guide
Learn about Nginx location directive qualifiers (=, ^~, ~), match priority, and root-alias difference. Secure proxy configuration guide.
Node.js Environment Setup and Management on Ubuntu with PM2
Run your Node.js applications reliably on the Ubuntu server with the PM2 process manager. Learn about cluster mode, zero-interruption deployment, and automatic startup.
PostgreSQL Installation and Management on Ubuntu
Complete guide on installing PostgreSQL on Ubuntu server, user-role management, SQL operations, performance and backup strategies.

