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StackToHeap

No Overflow - A blog by Manoj Mahalingam

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Managing Context Windows with pi /tree: Branches, Summaries, and Subagent-like Workflows

How I use pi's /tree to manage context windows in long coding sessions, when to choose /tree vs /fork, and patterns that feel like lightweight subagents without leaving one session.

Ralph loops for SDK migrations: a case study

Part 4 of my gym-coding series: using a Ralph loop to migrate an entire SDK dependency in 81 minutes, what worked, what didn't, and where autonomous loops shine.

How my agents code when I am at the gym

Part 3 of my gym-coding setup: autonomous coding agents that keep working for you while you are out and about, and even while you sleep.

How I code from the gym — Part 2: Any AI tool, one command

Extending my phone-based coding workflow beyond OpenCode Web to support Amp, Claude Code, Codex, and any terminal AI tool using SSH, tmux, and a small session manager called vaibhav.

How I code from the gym

My setup for coding from anywhere: running OpenCode Web on Ubuntu as a systemd service and securely connecting from my phone with Tailscale.

Supercharged Code Reviews: How AI Subagents Make Human Reviewers Superhuman

Speed up your team's code reviews with AI-powered analysis that catches what humans miss and prepares focused insights, making reviewers more effective without replacing their expertise.

Having Fun with Claude Code Hooks - Make Your AI Coding Assistant Talk!

Tired of staring at your terminal waiting for Claude to finish? Let's add some personality with audio notifications and custom automation using Claude Code hooks.

Thoughts on FastHTML

Why I Moved from FastHTML to Svelte for Building a Complex Chat Application

MLFlow as a model repository in your CI/CD workflow

We recently started using MLFlow as a model repository and integrated it with GoCD

Using multiple worktrees with git

Use multiple worktrees to make working with branches and bug fixes much easier with git

Running WebDriverIO tests using docker-compose

Running WebDriverIO tests using docker-compose for development and CI

Basics of rolling updates with Kubernetes

Basics of rolling updates with Kubernetes. Describes a basic ReplicationController template for rolling updates

How to git add only files that have already been staged

Adding only those files already staged, back to the index with new changes

Hosting an S3 backed Docker Registry on Kubernetes

Hosting an S3 backed Docker Registry on Kubernetes

Sharing docker images without a registry

Sharing docker images between developer workstations without a registry

Things you may not know about git - autocorrect your commands

Did you know git has a built-in autocorrect feature to fix common typos in git commands?

Getting started with Ansbile for a Django project

This post walks through setting up a Django project with Ansible for provisioning and deployment.

Using git at a hackathon where git:// port is blocked

A quick guide to using git over https instead of git protocol when the latter is blocked.

Building a Debian Wheezy vagrant box using veewee

A step-by-step guide to build a Debian Wheezy vagrant box using veewee

Things that trip newbies in Powershell - Pipeline Output

Some common things that trip new Powershell users when working with pipeline output

git learns pre-push hook - new in 1.8.2

A new feature in Git 1.8.2 - pre-push hook to control what gets pushed out.

git learns to ignore better - new in 1.8.2

A new feature in Git 1.8.2 - better ignoring of files through .gitignore and git check-ignore.

Why use virtualenv when there is pythonbrew?

A comparison of virtualenv vs pythonbrew for managing python environments

Things that trip newbies in Powershell - Encodings

Powershell has some quirks around text encodings that often trip new users. This post covers the common gotchas.

Using TypeConverters to get AppSettings in .NET

A quick way to get strongly typed AppSettings in .NET using TypeConverters.

Precompiling Razor views in ASP.NET MVC 3

A quick guide to precompiling Razor views in ASP.NET MVC 3 for improved performance.

Remembering Aaron Swartz in his writings

A selection of writings by Aaron Swartz that capture his brilliance and passion for open information and civic participation

Using mailmap to fix authors list in git

Why a feature of our website stopped working for Norway

We recently discovered that a feature on our site stopped working for users in Norway. Here's what happened and how we fixed it.

Things that trip newbies in Powershell

Some common things that trip up new Powershell users.

Writing a Git provider for Windows Powershell - Part 3

In this final part, we look at implementing some basic Git commands like status, add, commit etc using the provider interface.

Writing a Git provider for Windows Powershell - Part 2

In this part we look at creating the provider and mounting the default drive at git:\

Better code analysis with Resharper 7 contract annotations

Resharper 7 introduces support for Code Contracts annotations in .NET code. This allows for more robust static analysis and validation of code contracts.

Writing a Git provider for Windows Powershell - Part 1

In this first part, we will look at setting up the infrastructure required to write a PowerShell provider for Git - creating a snap-in, registering the provider etc.

Why I love Jetbrains TeamCity as a .NET developer

TeamCity is great for any tech stack. It's .NET related features make it stand out in the .NEt world

Testing extension methods with Microsoft Fakes

With right dosage of proper design, decoupling objects, dependency injection and simplicity, you can write testable code without requiring sophisticated tools.

Contract testing a JSON service in .NET

In this post I discuss how to write contract tests for a JSON service.

Learning by answering questions

I have been learning a lot lately by answering questions on Stack Overflow. This post is about my journey of learning by answering questions.