Ramblings of Sverrir Sigmundarson

Combining Mp4 video files automatically

I recently had to join a lot of mp4 video files together to make them easier to play on my Xbox. I wanted the resulting file to have chapter marks at the joining points so that I could quickly skip between episodes when watching. There is no such tool out there so I built a script to do this.
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Jekyll 3 Pagination Gem

I recently learned that the true and tested pagination gem for jekyll, jekyll-paginate, had been decommissioned and removed from Jekyll 3. So I decided to build a new fully backwards compatable and enhanced replacement for it.
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Google Analytics and server-side PHP

A complete guide with working code on how to integrate the Google Analytics Measurement Protocol API to measure custom events on your PHP server. Especially useful when you're interesting in tracking usage and exceptions for your web-based APIs.
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Writing a Python webserver in 10 seconds

Python has a built in support and classes to run a simple webserver straight from the command line. With a few extra lines of code you can extend the built in type and get a very decent testing server that can be run from any computer.
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HTML5 Video Playback on Xbox and the Playstation

The ultimate guide to how to create and program a website that can play mp4 videos in the native browsers on both the Xbox and Playstation consoles. The code supports playing multiple videos in sequence according to a playlist and will auto run when ready.
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Passing post variables to includes in Jekyll

In Jekyll includes do not have access to variables defined in your posts or pages. But don't worry here is how you can do it very easily.
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How to export GPX data from without being a premium member. is an excellent site to track cycling or running activities. Unfortunately they've paywalled their GPX export feature. However all this data is already downloaded by the web-browser when the user opens an activity. So I created a simple bookmarklet to display this data. website

This is the sixth update and a major rebranding of my old Google Maps to GPX converter tool. The tool is now called Maps-To-GPX and has its own dedicated domain

WebP Image Generator for Jekyll Sites

Using WebP compression for images can be hugely beneficial for web-browsers that support this new format. This article is a complete guide and includes working source code for a fully automated WebP image generator for Jekyll websites.

Detailed GPS tracks from Google Maps

This is the fifth update to my Google Maps to GPX converter tool. The tool now supports fully featured and smooth track point path generation and a much simpler user interface.

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