System Design Mastery
Design scalable distributed systems like a senior engineer. URL shorteners, chat apps, rate limiters, and beyond.
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Hashing, base62, redirect strategies, analytics, and scaling to millions.
16 min
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25 views
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WebSockets, message storage, presence, delivery receipts, and real-time scale.
13 min
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1 views
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Horizontal vs vertical, consistent hashing, stateless design, and database sharding.
11 min
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2 views
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Kafka, RabbitMQ, pub/sub, event sourcing, and async processing at scale.
11 min
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3 views
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Hash Tables: How They Work and Collision Resolution
Intermediate
Replication, partitioning, CAP theorem, and choosing the right database.
11 min
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1 views
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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