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Core Craft

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Practical guides and real-world code to help you build better, scale smarter, and ship products that work. Synced live from Substack so this page always reflects what's published.

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Core Craft

JavaScript Library in 80% of Cloud Environments Got Poisoned

#EP35: Axios was clean. The hack hid in a dependency. Check your packages now.

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Core Craft

The 2-Hour Rule That Made Me a Better Engineer (No Bootcamp Required)

#EP 34 | Eat. Code. Repeat. Two hours a day—that's the whole system.

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Core Craft

The 10-Minute Fix for Your Bounce Rate Problem

#EP 33: Core Web Vitals — What Every Developer Must Know About LCP, INP, and CLS

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Implementing PostgreSQL Row-Level Security in Production

#EP 32 | A single forgotten filter exposed customer data across tenants.

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Idempotency in REST APIs

#EP 31 | Detailed : How to Prevent Duplicate Actions and Keep Your Apps Reliable

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What’s the Difference Between OTP, TOTP and HOTP?

#EP 30 | OTP, HOTP & TOTP: The Six‑Digit Codes Powering Secure Authentication

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Replication vs. Sharding: Stop Confusing Them

#EP 29 | One Scales Reads. One Scales Writes. Here's the Difference.

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What I Read to Become a Better Backend Engineer

#EP 28 Why senior engineers read books (and juniors read blogs)

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Core Craft

How DNS Servers Work: The Internet’s Phone Book

#EP27 The Distributed Database That Handles 5+ Billion Users

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AI Prompts That Make You Look Smarter at Work 💼

#26 Stop rewriting. Start shipping.

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Core Craft

When the Cloud Went Dark: The AWS Outage That Changed Everything

#25 When Amazon's cloud goes down, half the internet follows. Here's the shocking truth about why AWS outages are becoming more frequent—and more devastating.

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Core Craft

How Better Writing Makes Engineers Ship 3x Faster

#25 Why Great Docs Beat Great Code—and How to Improve Yours Fast

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Core Craft

How to Learn System Design Through Original Projects (Without Copying)

#24 Skip the Copy-Paste. Start Designing Scalable Systems That Stand Out.

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Core Craft

WHY 90% OF DEVELOPERS GET SERVERLESS WRONG

#23 From Confused to Confident: Master Serverless in 10 Minutes

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Core Craft

📦 Containers vs 🔲 Virtual Machines

#22 Understanding the Basics, Key Differences, Architecture, and Use Cases

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Core Craft

AI For Humans Set#3

#21 Your cheat sheet to AI buzzwords—now with 100% less jargon and 200% more pizza analogies.

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AI For Humans Set#2

#20 Your guide to sounding smart(er) in the ChatGPT era—now with 200% more robots and zero math.

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Core Craft

AI for Humans

#19 Your Go-To Guide for Understanding AI, One Jargon at a Time

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Core Craft

Why You Can’t Build a Real SaaS Just by “Vibe Coding”

#18 Lessons from Building 10+ Apps with Rapid Prototyping Tools

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Core Craft

You Can Now Talk to Code. And It Listens

#17 Build and Automate Faster with Codex: The No-Code AI Tool for Entrepreneurs, Marketers, and Teams

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