def quick_sort(arr): if len(arr) <=1: return arr pivot = arr[0] left = [] right = [] for num in arr[1:]: if num <= pivot: left.append(num) else: right.append(num) return quick_sort(left) + Continue reading Python quick_sort→

I’ve been writing about Claude Code skills, LLM dev workflows, and lessons from building products solo. Thanks to everyone who subscribed on Medium — I appreciate you following along, especially Continue reading Starting my own newsletter — Build Signals→

I am standing in front of a system I did not build, did not name, and definitely did not consent to inheriting. The screen is on. Something is humming. There Continue reading How I Approach a System I Have Never Seen Before→

▶️Introduction In Kyverno Policy Conflicts, we saw a pattern of structural failures: Multiple policies mutating the same fields Validation rules assuming a state that mutations later invalidate Policy intent fragmented Continue reading Designing Conflict-Free Kyverno Policies: Patterns for Ownership, Scope, and Determinism→

while saving the appInfo, I forget to save the userId as well, so I need to modify table on Supabase,and relative logic in EXPO. at that time,I noticed that I Continue reading 5th, I run into a few problems→

As AI coding agents become the norm, I’ve spent the last few months figuring out what actually works vs. what’s just hype. Here are 5 patterns that have genuinely sped Continue reading 5 AI Coding Patterns That Actually Work (2026 Edition)→

Most age calculators are wrong for at least one of these reasons: they do nowYear – dobYear and forget to check if the birthday already happened they treat all months Continue reading Stop miscalculating age in JavaScript: leap years, Feb 29, and the Jan 31 trap→

Have you ever tried exporting your Apple Health data, only to find a massive, 2GB+ export.xml file that makes your text editor cry? 😭 As a developer obsessed with the Continue reading Quantified Self: Building a Blazing Fast Health Dashboard with DuckDB and Streamlit→

Hey Gophers! If you’re building APIs, microservices, or real-time apps with Go, you’re already riding a wave of simplicity and performance. Go’s concurrency model (goroutines FTW!) and robust net/http package Continue reading The Future of Go Network Programming: What’s Next for Gophers?→

For a long time, I sat firmly in the “QR codes are garbage” camp. Like many of you, my primary exposure to them was during the pandemic, trying to load Continue reading The “Desktop-to-Mobile” Handoff: Why I Stopped Hating QR Codes in My UX→

Codebase understanding is the most important developer skill nobody teaches. Schools teach algorithms. Bootcamps teach frameworks. Nobody teaches: “here’s a 500K-line codebase you’ve never seen — figure out how to Continue reading Understanding Your Codebase in 2026: The Complete Guide→

You have 10 minutes with the repo before your final interview round. Here is exactly what to check. Minute 1-2: Git Health How often does main get commits? Daily = Continue reading The 10-Minute Codebase Audit: What to Check Before Joining a New Team→