Written by Jef Claes on software and life
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on Aug. 12, 2018
Somewhere around a year ago, we started using GES in production as the primary data store of our new loyalty system. The system stores two types of data. External services push batches of dumb downed events to the loyalty system. For example: a user logged on, played a game or participated in a com…
Written by Jef Claes on software and life
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on May. 1, 2018
Late 2017, we set out to replace and upgrade our existing reporting and analytics infrastructure with something that would be a better fit for our workloads. Keeping costs and required maintenance at a minimum would be a nice plus, making for an easy sell. After a bit of research, it was obvious Am…
Written by Jef Claes on software and life
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on Jan. 3, 2018
Another year, another 17 books, 6 shows and 3 movies consumed. Here's this year's highlights.Books 1. The Zen and Art of Motor Cycle MaintenanceThe author is a tormented soul on a quest to define quality. You're his passenger, driving shot gun on a CB77 Super Hawk, in for an exhausting intellectual…
Written by Jef Claes on software and life
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on Dec. 15, 2017
Before last week, the only certification exam I ever passed was the Microsoft .NET Framework Application Development Foundation certification. This was almost eight years ago. My manager back then thought getting certified was the best way for me to get a raise. It would be a win-win. I for one wou…
Written by Jef Claes on software and life
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on Jul. 30, 2017
Most EventStore client libraries allow you to subscribe to a stream by passing in a callback which is invoked when an event occurs (either a live or historic event).Let's say we subscribe to a stream of a popular video service, and we want to project a read model that shows how many videos a viewer…
Written by Jef Claes on software and life
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on Jul. 23, 2017
I've been wanting to share this experience for a while, but it took me a while to come up with a story and example I could use in a blog post. I help out during the weekends in a small family run magic shop. I'm the third generation working in the shop. My great-grandfather always hoped that his on…