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Building Archie: A System-Design Board That Asks Instead of Guessing

Building Archie: A System-Design Board That Asks Instead of Guessing

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4 min read
Recommendation System Design: Candidate Generation, Ranking & Feature Stores

Recommendation System Design: Candidate Generation, Ranking & Feature Stores

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14 min read
Scaling Real-Time Stream Chat in Go: In-Memory Hubs, WebSockets, and Redis Pub/Sub

Scaling Real-Time Stream Chat in Go: In-Memory Hubs, WebSockets, and Redis Pub/Sub

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6 min read
How Do Agent System Kernels Differ from Traditional Operating System Kernels?

How Do Agent System Kernels Differ from Traditional Operating System Kernels?

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17 min read
Write-Ahead Logging: How PostgreSQL & MySQL Survive Power Loss

Write-Ahead Logging: How PostgreSQL & MySQL Survive Power Loss

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1 min read
Reverse Engineering: Learn How Software Works by Building It Backward

Reverse Engineering: Learn How Software Works by Building It Backward

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4 min read
Data Fetching, TanStack Query, SWR, Apollo, and Request Deduplication

Data Fetching, TanStack Query, SWR, Apollo, and Request Deduplication

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30 min read
Collaboration, Context, and Generated Assets: An Architecture Review of GenAnywhere, PlaceMaker, CityWeft, HalfMaps, and Tripo3D

Collaboration, Context, and Generated Assets: An Architecture Review of GenAnywhere, PlaceMaker, CityWeft, HalfMaps, and Tripo3D

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3 min read
Anthropic Interview Question: Every Batch Takes 100 ms. Why Is the API Slow?

Anthropic Interview Question: Every Batch Takes 100 ms. Why Is the API Slow?

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8 min read
Can I Turn MAGDC Into Something Bigger Than a Coding System?

Can I Turn MAGDC Into Something Bigger Than a Coding System?

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2 min read
Engineering Restaurant Discovery: Data Modeling, Geospatial Querying, and Workflow Architecture

Engineering Restaurant Discovery: Data Modeling, Geospatial Querying, and Workflow Architecture

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5 min read
How AWS Scales for 59 Trillion Requests: Cell Architecture & Shuffle Sharding

How AWS Scales for 59 Trillion Requests: Cell Architecture & Shuffle Sharding

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2 min read
System design for physical AI: run the operator's own fault logic on every car of a 225-car fleet

System design for physical AI: run the operator's own fault logic on every car of a 225-car fleet

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3 min read
Handling Stale Data in Agentic Healthcare AI

Handling Stale Data in Agentic Healthcare AI

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2 min read
Amazon Interview Question: Your LRU Cache Works. Now Make It Expire.

Amazon Interview Question: Your LRU Cache Works. Now Make It Expire.

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8 min read
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