04 / Writing

Notes from building things.

31 posts on AI systems, agents, backend engineering, and side projects. Most are published on Medium — each one has a page here that links straight through.

2026

Medium

Your Coding Agent Has a Memory Problem. Storing More Won’t Fix It.

Aug 8, 202610 min read

Four rules I built into a memory system for Copilot and Claude Code, after concluding that a confidently wrong note is worse than no note at all. Open a second window. Your agent knows…

aigithub-copilotsoftware-engineeringnodejs

Medium

LLM evals: the complete field guide

Jul 26, 202624 min read

Here’s a confession it took me years of writing software to even notice: I have almost never had to wonder whether my code’s output was correct. Something always told me. The compiler…

large-language-modelsartificial-intelligencemachine-learninggenerative-ai-tools

Medium

I built a second brain that runs on my iPhone — and the cloud does almost nothing

May 31, 20267 min read

I wanted a notes app I could talk to. Not a chatbot stapled to a text box. A real place where everything I capture during the day — a voice memo on a walk, a meeting, a journal entry, a…

generative-ai-toolsproductivitysecond-brainios

Medium

Nine Seconds to Zero

Apr 28, 20265 min read

A credential mismatch in a staging environment is small, ordinary friction. You notice it, you fix the config, you move on. On Friday afternoon, the AI coding agent running at PocketOS, an…

claude-opusdbdeleteai-agentincident

Medium

Most developers at work use GitHub Copilot.

Apr 6, 20265 min read

Most developers at work use GitHub Copilot. The best learning resources were built for something else. There’s a gap that nobody talks about, and I want to close it. At my company, we have…

co-pilotgithub-copilotaiclaude

Medium

From a Raspberry Pi Travel Router to a Full Self-Hosted Home Lab

Mar 9, 20269 min read

How I evolved a weekend project into a complete private media and privacy stack — with Go CLI tools, Plex, Tailscale, Pi-hole, and a purpose-built travel router About a year ago, I wrote…

plexpiholeraspberry-pitravel-router

Medium

Shipping Two Go CLIs + a Home Media Pipeline

Jan 3, 20268 min read

Two tools ( pull-vids + convert-vid), one Mac mini, and a surprisingly painful lesson: the code isn’t the hard part — shipping is. I didn’t start by trying to “build a home server.” I…

claudegolanglearningcommand-line

2025

Medium

Flaunt Your Code: Celebrate Your GitHub Journey Year-Round

Feb 10, 20254 min read

Every developer knows the thrill of seeing that colorful GitHub contribution chart at the end of the year — a visual mosaic of late-night coding, debugging marathons, and breakthrough…

vscodegitautomationgithub

Medium

Building a Next.js Macro Calculator: A Fun, on Time Adventure to Weight Loss Goals

Jan 1, 20255 min read

Ah, the dawn of a new year-scratch that, a new half-decade! As 2025 peeks over the horizon, many of us are already racking our brains to come up with innovative ways to actually keep this…

reactmacronextjsweight-loss

2024

Medium

Simplicity is the ultimate sophistication

Nov 26, 20244 min read

Let me start by saying this: “I know this is not something new and I know you can do this using the very first Google search link that pops up. But what if you have to do something like…

pdfpythondocxtools

Medium

Advanced Guide to Asyncio, Threading, and Multiprocessing in Python

Sep 24, 20243 min read

Explore the key differences and uses of Asyncio, Threading, and Multiprocessing in Python. Master these vital concepts for efficient coding.

Medium

Serverless 101: A Crash Course in Building Scalable, Resilient Applications with AWS

Aug 23, 20246 min read

In today’s fast-paced tech environment, building scalable, cost-effective, and reliable applications is a top priority. AWS Serverless architecture offers developers a way to achieve this…

awsdigital-transformationserverlessinnovation

Medium

How to Turn Your Raspberry Pi into a Secure Travel Router

Jul 10, 20243 min read

Traveling can be a lot of fun, but staying connected to the internet securely while on the road is crucial. Whether you’re staying at hotels, Airbnbs, or connecting at places like…

vpnraspberry-piroutersecure

Medium

How UUID Generates Unique IDs: Is it 0-f Hexadecimal Only?

Jun 6, 20243 min read

How UUID Generates Unique IDs: Is it 0-f Hexadecimal Only? Can It Run Out of Unique IDs for High Throughput Applications? Introduction In a recent meeting, a crucial question arose: “How…

Medium

Unlocking the Power of Secure Shell (SSH): A Comprehensive Guide

May 31, 20245 min read

Unlocking the Power of Secure Shell (SSH): A Comprehensive Guide Secure Shell (SSH) is an indispensable protocol for secure network communications, used extensively by system administrators…

Medium

Seven Techniques to Master the Art of Living: A Guide to Transforming Your Life

Feb 16, 20243 min read

Explore 7 transformative Japanese practices for self-improvement, including Ikigai, Kaizen, and Kintsugi, to enhance productivity, mindfulness, and well-being.

Medium

Advanced Testing Techniques in Python: A Deep Dive into Monkeypatching, Mocking, and Pytest

Jan 29, 20244 min read

Unlock advanced Python testing techniques with this guide on mocks, monkeypatching, and the Faker library. Elevate your coding skills for better test cases.

2023

Medium

Demystifying Git Hooks: A Comprehensive Guide with Python Examples for Developers

Dec 22, 20237 min read

Git, the ubiquitous version control system, empowers developers to collaborate seamlessly on projects. While its core functionalities are robust, Git provides an additional layer of…

Medium

Mastering `git amend`: A Comprehensive Guide

Dec 21, 20233 min read

Explore the essentials of 'git amend' in this comprehensive guide. Learn to refine commits and maintain clean project history effectively.

Medium

The Lazy Genius’s Guide to Faux-ductivity: Mastering the Art of Looking Busy with Automation…

Dec 20, 20233 min read

Discover the lighter side of automation with our witty guide on using Python scripts to effortlessly maintain productivity. Perfect for tech enthusiasts!

Medium

Understanding and Setting Up Cron Jobs in AWS for Batch Job Automation

Dec 19, 20233 min read

Explore the essentials of setting up cron jobs in AWS for efficient batch job automation. Learn tips for optimizing cloud-based operations and scheduling.

Medium

Securing Data in Organizations: A Tale of Two Applications

Dec 13, 20233 min read

Securing Data in Organizations: A Tale of Two Applications In the age of information, data security has become paramount for organizations of all sizes. With increasing concerns over data…

Medium

Navigating the Nuances of Numeric Precision: A Deep Dive into Python Floats and Decimals

Dec 7, 20233 min read

Python’s versatile nature as a programming language brings with it an array of numeric types, each tailored to specific use cases. Among these, the float and decimal.Decimal types stand out…

Medium

Python Decorators Decoded: A Comprehensive Guide for Developers

Nov 29, 20236 min read

Dive into the world of Python decorators! From static methods to async coroutines, discover how decorators elevate your code. A comprehensive guide for developers.

Medium

A Comprehensive Guide to Contributing to Open Source Projects

Nov 28, 20232 min read

Unlock the world of open source contributions with our step-by-step guide! Learn to choose projects, set up your environment, and find good-first-issues with GitHub Repository Finder. Dive…

Medium

Coding Chronicles: Unveiling the Password Panacea

Nov 28, 20232 min read

Discover the heartwarming journey of creating a personalized password manager for a forgetful mother. Uncover the magic of coding and contribute to the open-source project on GitHub…

Medium

The Pythonic Odyssey: Crafting Epic Code Tales in the Enchanted Realm of Python

Nov 28, 20234 min read

Embark on a Pythonic Odyssey with this comprehensive guide to crafting epic projects. Explore best practices in Python development, from clean syntax to secure deployment. Your journey to…

Medium

Navigating the Code Seas: A Thanksgiving Tale of Conquering Technical Debt

Nov 22, 20232 min read

Embark on a coding adventure this Thanksgiving as Captain CodeMaster and his team navigate stormy seas, conquer legacy swamps, and tame the Dragon of Documentation Neglect. Learn valuable…

Medium

“Epic Wisdom for the Digital Warriors: Unveiling the Bhagwad Gita’s Timeless Lessons in Software…

Nov 16, 20236 min read

“Epic Wisdom for the Digital Warriors: Unveiling the Bhagwad Gita’s Timeless Lessons in Software Development” Introduction In the ever-evolving world of software development, where every…

Medium

Mastering Code Observability with Datadog: A Comprehensive Journey into Logging and Monitoring

Nov 16, 20234 min read

Unlock the secrets of seamless code observability with Datadog. Dive into logging, monitoring, and analytics. Optimize performance and enhance security. Your guide to mastering the art of…

Medium

Unraveling the Magic: A Journey Through the Makefile Mystique in Python Projects

Nov 16, 20235 min read

Unlock the secrets of Makefiles for Python development in this immersive guide. Harness automation, manage dependencies, and streamline workflows with this comprehensive tutorial. Dive into…