Christopher Dignam

Projects

• GitHub Code Owners

  Visual Studio Code extension for CODEOWNERS files.

  Download on the Visual Studio Marketplace
  

• GitHubinator

  Visual Studio Code extension to quickly open files on Github and other providers.

  Download on the Visual Studio Marketplace
  

Posts

• May 18, 2025

  How to generate a Firebase ID Token

  Using Google Cloud APIs to create a Firebase ID Token for authentication with Firebase Functions.
• May 24, 2024

  Prototype Pollution in Javascript

  How to accidentally modify Object.prototype in Javascript.
• Mar 17, 2024

  Fast Image Resizing

  Resizing performance of Imgix, Twicpic, ImageMagick, sips, and libvips.
• Feb 10, 2024

  Image Optimization

  Finding a cheap tool to use for Recipeyak images.
• Sep 26, 2023

  Image compression in messaging apps

  Comparing the image compression in iMessage, WhatsApp, Signal, and Discord.
• Apr 30, 2023

  Disable commits to the main branch

  Use Git hooks to disable commits to your local main branch.
• Apr 22, 2023

  Code Generators

  How to make contributions easier with code generators.
• Apr 4, 2023

  Problem Matchers with GitHub Actions

  A step-by-step guide for building custom problem matchers.
• Mar 23, 2023

  Building Kodiak

  My experience developing an open source SaaS.
• Mar 14, 2023

  GitHub Code Owners for VSCode

  Building a better VSCode extension for GitHub Code Owners.
• Jul 14, 2022

  Hacker News iOS clients

  An opinionated survey of Hacker News clients on iOS.
• Jul 6, 2022

  SublimeMerge $PATH

  Configuring your $PATH for Sublime Merge.
• Jan 11, 2022

  Removing old Git branches

  Using Git hooks to automatically remove old Git branches after merge.
• Dec 8, 2021

  SublimeMerge: Open Pull Request

  Open GitHub pull requests using SublimeMerge command palette.
• Nov 3, 2021

  Challenges with redirects on Netlify and Cloudflare Pages

  Redirect placeholders don't work within strings.
• Aug 30, 2021

  Global Entry appointment notifications

  Building a script to send push notifications for new Global Entry appointments.
• May 16, 2021

  Using ESLint's no-restricted-syntax rule

  A step-by-step guide for using ESLint AST selectors to ban syntax.
• Dec 21, 2020

  Debugging CI without SSH

  Using a reverse shell to investigate remote build failures
• Nov 25, 2020

  Mailchimp RSS

  Subscribing to Mailchimp emails via RSS
• Nov 24, 2020

  Working With Forks

  Updating branches from forks.
• Aug 1, 2020

  ANY and ALL in Postgres

  ANY is an OR-ing, ALL is an AND-ing.
• Jul 13, 2020

  You should squash and merge

  It has the best developer experience.
• Jul 12, 2020

  Just ask

  Ask your question directly to save time.
• Jun 28, 2020

  Make small changes

  Small changes make for better code.
• Aug 13, 2019

  UDP vs stdout for metrics

  What are the performance implications for aggregating metrics from logs?
• May 13, 2019

  Problems With Bundle Splitting

  You're running multiple versions of your application.
• Feb 16, 2019

  The Problem With Terraform

  It's the ecosystem.
• Feb 7, 2019

  Python Logging Interpolation

  Let the logging module do the work.
• Jan 24, 2019

  Redis on Heroku and AWS

  A comparison of Heroku's hosted Redis vs AWS Elasticache Redis
• Jan 24, 2019

  Postgres on Heroku and AWS

  A follow up comparison of Heroku's hosted Postgres vs AWS RDS Postgres
• Jan 23, 2019

  Heroku Dyno Sizes

  A brief comparison of Heroku dynos
• Dec 20, 2018

  Saving $1600 With 8 Lines Of Python

  Using Python to scrape $1600 worth of data
• Dec 12, 2018

  Monkey Patching

  Ensuring tests clean up after themselves through monkey patching
• Dec 12, 2018

  What Are Class Descriptors?

  Why getattr returns values different from __dict__
• Dec 7, 2018

  Automatic Tenant Scoping

  Building automatic tenant scoping for the Django ORM
• Dec 13, 2015

  Ssh Proxy

  A simple SSH proxy setup for macOS
• Sep 12, 2015

  Raspberry Pi Setup

  Notes for configuring a Raspberry Pi

subscribe via RSS