March 2025
Intermediate to advanced
202 pages
4h 45m
English
Content preview from Real-World Event Sourcing
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Projecting Advanced Leaderboards
Projecting a standard top 10 leaderboard is easy enough, but what happens when the requirements get a little more tricky? It’s at this point that it can be tempting to start violating the laws of event sourcing. A more advanced leaderboard might be one where you’re displaying the top 10 killers this week. Here’s an example of that type of leaderboard showing this week’s top 10 zombie hunters.
Table 2. This Week’s Top 10 Zombie Killers
| # | Player | Kills |
|---|---|---|
| 1 | Kode Friez | 931 |
| 2 | Boylur Plait | 751 |
| 3 | Deploy Jenkins | 750 |
| 4 | zomb0_masher_31 | 722 |
| 5 | Sir Emony | 721 |
| 6 | Dubble Tap | 650 |
| 7 | Kardeeo | 601 |
| 8 | Headshot McGee | 580 |
| 9 | Brains-n-Yogurt | 512 |
| 10 | how_do_i_play_this | 301 |
| 41 | --> Pragmatic Player (you) | 87 |
Some ways of solving this problem are hard, and others are deceptively easy. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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