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React 19 useCallback Dependencies in Multi-Tenant Dashboards: Why Your AI Feature Memoization Is Causing Stale Closures

React 19 useCallback Dependencies in Multi-Tenant Dashboards: Why Your AI Feature Memoization Is Causing Stale Closures

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4 min read
The Magic of Branchless in FinTech: How to Tame the NASD 30/360 Financial Standard and Solve the IRR Equation Without a Single IF

The Magic of Branchless in FinTech: How to Tame the NASD 30/360 Financial Standard and Solve the IRR Equation Without a Single IF

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10 min read
Zero-Copy in Go:sendfile, splice, and io.Copy Performance Deep Dive

Zero-Copy in Go:sendfile, splice, and io.Copy Performance Deep Dive

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3 min read
EF Core 10 Performance Tips — 12 Ways to Blazing Fast Queries

EF Core 10 Performance Tips — 12 Ways to Blazing Fast Queries

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3 min read
Part 3. How to Fix External I/O Inside Transactions Without Overengineering Everything

Part 3. How to Fix External I/O Inside Transactions Without Overengineering Everything

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11 min read
Part 2. The Spring @Transactional Pattern That Drained Our Hikari Pool

Part 2. The Spring @Transactional Pattern That Drained Our Hikari Pool

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6 min read
Why Redis Splits Into Exactly 16,384 Slots: A Deep Dive Into Distributed Systems Design

Why Redis Splits Into Exactly 16,384 Slots: A Deep Dive Into Distributed Systems Design

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10 min read
C++ | Optimizing Move Until We Cannot

C++ | Optimizing Move Until We Cannot

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6 min read
The Image Upload Checklist I Wish More Websites Followed

The Image Upload Checklist I Wish More Websites Followed

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4 min read
How We Reduced Vercel Edge Requests & CPU Costs by 80% on a Next.js App Router Site

How We Reduced Vercel Edge Requests & CPU Costs by 80% on a Next.js App Router Site

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3 min read
How I Approach WordPress Core Web Vitals Before Rebuilding Anything

How I Approach WordPress Core Web Vitals Before Rebuilding Anything

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2 min read
Stop importing `uuid`. `crypto.randomUUID()` has been native since 2021.

Stop importing `uuid`. `crypto.randomUUID()` has been native since 2021.

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3 min read
Best practices for moving off shared hosting as your traffic grows

Best practices for moving off shared hosting as your traffic grows

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3 min read
I built an ultra-light social network for you and your hobbies

I built an ultra-light social network for you and your hobbies

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1 min read
The KV cache, why LLM inference is memory-bound, not compute-bound

The KV cache, why LLM inference is memory-bound, not compute-bound

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4 min read
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