- 40 minutes 46 secondsThe Almost Correct System
RexIDE - https://rex.mindmeld360.com
25 January 2026, 1:42 pm - 31 minutes 3 secondsDesign Local Delivery Service - GoPuff - System Design Interview Series
RexIDE - https://rex.mindmeld360.com
In this episode, we design a local, ultra-fast delivery system inspired by GoPuff.
We break down:
service boundaries (ordering, inventory, dispatch)
real-time courier assignment
warehouse-centric delivery vs marketplace models
latency, batching, and failure scenarios
24 January 2026, 1:38 pm - 29 minutes 9 secondsJava Memory Model (JMM)
RexIDE - https://rex.mindmeld360.com
We explore the fundamental concept of Happens-Before (HB)—not a measure of time, but a formal mathematical relationship that provides the only real guarantee of visibility and ordering in a multi-threaded world. Without an HB edge, your threads are effectively living in different realities, where one thread might see an object has been published but observe its internal fields as stale or uninitialized zeros.
22 January 2026, 9:07 am - 23 minutes 23 secondsAWS Lambda Pricing
RexIDE - https://rex.mindmeld360.com
19 January 2026, 2:22 pm - 1 minute 58 secondsHttp 123
http 123
4 October 2025, 11:29 am - 12 minutes 14 seconds🔑 AWS IAM Identity Center and CLI Authentication Guide
AWS SSO vs AWS IAM
12 April 2025, 8:09 am - 13 minutes 9 seconds🌐 Scrapingdog: Web Scraping
📕Book - Web Scraping with Python - https://amzn.to/3DB58aM
10 March 2025, 7:32 am - 29 minutes 6 seconds🧊 BigData - Apache Iceberg and Streaming
BOOK - Apache Iceberg: The Definitive Guide - https://amzn.to/4bD8RB1
9 March 2025, 6:46 am - 14 minutes 15 seconds📊 RDS PostgreSQL vs Redshift
😀
6 March 2025, 7:13 am - 27 minutes 11 seconds📚 DevOps - Terraform Providers
📚
Terraform
25 February 2025, 4:26 am - 9 minutes 44 seconds🐳 Startups - Docker Compose
BOOK - A Developer's Essential Guide to Docker Compose - https://amzn.to/4blnhFV
24 February 2025, 5:51 am - More Episodes? Get the App