Blog

Artificial Intelligence

Evaluation Metrics for Classification Models - Jan 01, 2026 - 5 min

C++

Move Semantics - May 29, 2020 - 6 min
STL functions - May 23, 2020 - 1 min
Copy Constructor and Assignment Operator - May 22, 2020 - 4 min
C++ Instance - May 22, 2020 - 1 min
Standard Template Library - May 07, 2020 - 3 min

Cloud

Container - Jan 28, 2023 - 1 min

Distributed Systems Components

L4 Load Balancer - Jan 15, 2026 - 9 min
Geohashing: Scalable Geospatial Indexing for Distributed Systems - Jan 04, 2026 - 8 min
CAP Theorem - Jan 02, 2026 - 5 min
S3 Multi part upload - Nov 03, 2025 - 12 min
Designing a Distributed Cache for High TPS Systems - Nov 01, 2025 - 7 min
SSTable - Jan 17, 2022 - 3 min
Cassandra - Jan 16, 2022 - 5 min
Kafka - Jan 14, 2022 - 2 min
Service Discovery - Jan 13, 2022 - 1 min
Sharding - Jan 12, 2022 - 3 min
Replication - Jan 11, 2022 - 8 min
Distributed Cache - Jan 10, 2022 - 4 min
Zookeeper - Jan 09, 2022 - 7 min
Capacity Estimation - Jan 07, 2022 - 1 min
Comparison between databases - Jan 05, 2022 - 2 min
BigTable - Jan 04, 2022 - 10 min
WebSockets - Jan 01, 2022 - 2 min
Google File System - May 01, 2021 - 7 min
Consistent Hashing - Jan 01, 2021 - 4 min
Load Balancers - May 28, 2020 - 4 min

Language

Effective C++ - Aug 20, 2023 - 2 min
Set - Jan 28, 2023 - 2 min

LeetCode

Sliding Window II - Nov 02, 2025 - 6 min
Two Pointers II (Advanced) - Nov 02, 2025 - 5 min
Sliding Window I - Nov 02, 2025 - 4 min
Two Pointers I - Nov 02, 2025 - 5 min
Arrays Basics & STL - Nov 02, 2025 - 3 min
Strings and Hashmaps I - Nov 02, 2025 - 6 min

System Design

Design Deliveroo - Jan 06, 2026 - 10 min
Design Uber - Jan 03, 2026 - 15 min
Design Twitter - Jan 21, 2022 - 5 min
Design Tiny URL - Jan 20, 2022 - 1 min
Design Collabrative Editing - Jan 18, 2022 - 2 min
Design Booking Service - Jan 18, 2022 - 5 min
Design Web Crawler - Jan 15, 2022 - 7 min
Design Chat Application - Jan 06, 2022 - 7 min
Design Data Intensive Applications - Jan 03, 2022 - 3 min
Rate Limitter - Mar 01, 2021 - 9 min