Server-Sent Events

Server-Sent Events enable finer grained progress updates on a long-running script.

One of the HTML5 features introduced that I have not needed until now is something called “server-sent events“. It’s a strange name which I think is derived from the HTTP content-type text/event-stream which must be set on the server side script generating the events. This isn’t quite the same as web push notifications which are… Continue reading Server-Sent Events

MySQL 8.0

I’ve already run into a number of issues with MySQL 8.0. Most of them have been related to the GIS features (e.g., all functions are now named ST_, geometries must exactly match the column type, etc…). One new issue I ran into today is that my spatial indices are being ignored because I didn’t create… Continue reading MySQL 8.0

An epic “merge”

I have a development system which has diverged quite a bit from the corresponding production system. I have deleted, added, tweaked, fixed, edited, and looked at code on both systems separately without committing on either system. This has dragged on for several years now as I dreaded the day I would need to merge the… Continue reading An epic “merge”

Trouble in paradise

My migration to a new server for all the web-based projects I’m hosting has been going great … until now. This morning, I woke up and was working on my main computer when I noticed that my server wasn’t kicking up every few minutes to refresh the OSM planet database. I turned on the screen… Continue reading Trouble in paradise

Mybiketraffic.com

Well, it has been three years since I last wrote here. That doesn’t mean I haven’t been busy! Quite to the contrary, shortly after my last post in 2018, I launched probably my most ambitious project yet: https://mybiketraffic.com At the same time, my long time friend, mentor, and colleague, Steve Donaldson, passed away and I… Continue reading Mybiketraffic.com

di2stats.com – a study on gear shifting statistics

I recently unveiled the beta version of di2stats.com. I am releasing this website as a service to the cyclists who have Di2 electronic shifting data available but no means of viewing the resulting data. I am also releasing the website to collect data for inclusion in a journal article describing my preliminary findings. This study… Continue reading di2stats.com – a study on gear shifting statistics