Rob Janssen

All | Unread | Read

A Mind Is Born

Making a demo in just 256 bytes would be a formidable challenge regardless of platform. A Mind Is Born is my attempt to do it on the Commodore 64. In the absence of an actual 256-byte compo, it was submitted to the Oldskool 4K Intro compo at Revision 2017, where it ended up on 1st place.

An Efficient WiFi Button For Home Automation Using ESP-NOW | ~68 Years From 2xAA Batteries | DIY E64

This is version 2 of the WiFi button that we built a couple of videos ago. This version improves upon the efficiency by using ESP-NOW as the main communication protocol allowing us to trigger automations in near real time, that's about 280 milliseconds on average. The power consumption is very low

What are the lesser known but useful data structures?

There are some data structures around that are really useful but are unknown to most programmers. Which ones are they? Everybody knows about linked lists, binary trees, and hashes, but what about Skip lists and Bloom filters for example.

HTTP Toolkit

Wow. I switched from AdvancedRestCient and mitmproxy to @HttpToolkit and my life has just changed. I'm noticing additional traffic from my printer I didn't notice with mitmproxy. The configuration is also much more easier to achieve. I've never been a fan of Postman or Insomnia.

in (Generic Modifier) (C# Reference)

For generic type parameters, the in keyword specifies that the type parameter is contravariant. You can use the in keyword in generic interfaces and delegates. Contravariance enables you to use a less derived type than that specified by the generic parameter.

"This project will only take 2 hours"

Austin Z. Henley Assistant Professor azh@utk.edu @austinzhenley github/AZHenley Home | Publications | Teaching | Blog | CV "This project will only take 2 hours" 11/8/2021 A few students came to me asking if I had any ideas for a software project that they could work on outside of class.

A fast, fun and stimulating object to object Mapper

Writing mapping methods is a machine job. Do not waste your time, let Mapster do it. Mapster creates the destination object and maps values to it.

Frequency analysis on hundreds of billions of reports at Report URI: Bloom Filters

Have we seen this report before? It sounds like a simple question to ask of a service that collects and processes hundreds of millions of reports per day, and in many ways it is, but in some ways it isn't.

Meet Uptime Kuma, a Fancy Open Source Uptime Monitor for all your HomeLab Monitoring Needs

You've spun up lots of self-hosted services in your HomeLab but you haven't set up monitoring and alerting yet. We'll be glad you waited because today well set up Uptime Kuma to do just that. Uptime Kuma is a self-hosted, open source, fancy uptime monitoring and alerting system. It can monitor HT

Localizing ASP.NET Core 5 APIs (Statically Typed!)

Localization has been around since the early days of .NET and has evolved greatly with the release of ASP.NET Core. In this post we’ll explore the mechanisms and tools the ASP.NET Core Framework provides developers for localizing ASP.NET Core 5 APIs.

This Read-It-Later-list is just that, bookmarks of stuff I intend to read or have read. I do not necessarily agree with opinions or statements in the bookmarked articles.

This list is compiled from my Pocket list.