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The Definitive Guide to Self-Hosted Email Infrastructure in 2026

The Definitive Guide to Self-Hosted Email Infrastructure in 2026

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5 min read
Apache Fluss: Architecting the Streaming-First Persistent Data Stack

Apache Fluss: Architecting the Streaming-First Persistent Data Stack

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3 min read
R2DBC is Dead: Why JEP 491 and Virtual Threads Made Synchronous JDBC the 2026 Performance King

R2DBC is Dead: Why JEP 491 and Virtual Threads Made Synchronous JDBC the 2026 Performance King

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2 min read
LLD Foundations: Trade-offs Thinking (how real design decisions are made)

LLD Foundations: Trade-offs Thinking (how real design decisions are made)

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2 min read
Stop Burning Cash on Long-Context RAG: Ephemeral Prompt Caching with Spring AI and JTokkit

Stop Burning Cash on Long-Context RAG: Ephemeral Prompt Caching with Spring AI and JTokkit

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2 min read
Why Developers Should Learn How Systems Fail

Why Developers Should Learn How Systems Fail

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3 min read
How Uber Finds Nearby Drivers Using H3 Hexagonal Indexing

How Uber Finds Nearby Drivers Using H3 Hexagonal Indexing

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4 min read
Java LLD: Mastering LRU and LFU Cache Design for Machine Coding

Java LLD: Mastering LRU and LFU Cache Design for Machine Coding

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2 min read
LLD Foundations: DRY, KISS, YAGNI (practical rules for everyday design)

LLD Foundations: DRY, KISS, YAGNI (practical rules for everyday design)

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2 min read
I Built a 7-Agent Sales Pipeline and the Hardest Part Was the Topology

I Built a 7-Agent Sales Pipeline and the Hardest Part Was the Topology

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10 min read
arc-agent: AI System Design Generator

arc-agent: AI System Design Generator

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1 min read
Semantic Drift in Distributed Financial Systems: When Systems Remain Correct but Become Wrong

Semantic Drift in Distributed Financial Systems: When Systems Remain Correct but Become Wrong

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4 min read
Why I Started Developing the Trinity-Infinity Framework

Why I Started Developing the Trinity-Infinity Framework

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2 min read
I over-engineered the system design and it cost me the offer.

I over-engineered the system design and it cost me the offer.

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4 min read
LLD Foundations: Coupling vs Cohesion (how to judge if your design is actually good)

LLD Foundations: Coupling vs Cohesion (how to judge if your design is actually good)

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2 min read
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