Object oriented programming (OOP)
Overview of Encapsulation, inheritance, polymorphism, and abstraction - and other topics.
I’m MD Pabel, a passionate developer and tech problem solver who has fixed thousands of hacked sites. Currently, I’m building 3 Zero Digital, dedicated to achieving perfection with 0 Vulnerability, 0 Downtime, and 0 Error, helping clients overcome their digital challenges—all while fueled by my love for coffee.
Achieving perfection with 0 Vulnerability, 0 Downtime, 0 Error.
A full-stack authentication system built with secure email-password login, featuring real-time email verification, password recovery, and role-based access control.
A real-time vehicle tracking platform that utilizes IoT sensors and live data streams to provide accurate vehicle locations and movement history.
Overview of Encapsulation, inheritance, polymorphism, and abstraction - and other topics.
CRUD, Relationship, JOIN, Aggregation, Materialized Views, Function, Trigger, Procedure, Indexing...
DNS principles and real-world applications tailored for developers.
Database Transactions, Concurrency, and Isolation Levels.