Python OOP & Design Patterns
Python classes, metaclasses, dataclasses, protocols, ABC, and all 23 GoF patterns in Python.
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__init__, __new__, metaclasses, and class customisation.
11 min
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Abstract base classes, Protocol, structural subtyping.
10 min
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dataclass, field, __post_init__, frozen, and slots.
10 min
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GoF patterns implemented in Python with real examples.
11 min
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Classes, metaclasses, ABCs, and Python OOP interview prep.
12 min
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Laravel Eloquent ORM: Relationships, Eager Loading and Query Builder
33 views
SQL Window Functions: ROW_NUMBER, RANK, DENSE_RANK, LAG, LEAD Explained
31 views
System Design Interview: Design a Chat Application Like WhatsApp
25 views
PHP File Handling: Read, Write, and Manage Files
21 views
Git Conflict Resolution
20 views
PHP Input Validation: Never Trust User Data
Jun 3, 2026
PHP Magic Methods: __construct, __get, __set, __toString and More
Jun 2, 2026
PHP Static Methods and Properties Explained
Jun 1, 2026
PHP Abstract Classes vs Interfaces: Know the Difference
May 31, 2026
PHP Arrow Functions and Closures Explained
May 30, 2026