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David Ormsbee
David Ormsbee

David Ormsbee

Editor of edX Engineering
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David Ormsbee
David Ormsbee
Apr 30 · 15 min read

XBlock Lessons: Field Data Complexity

After years of working together, a fellow architect at edX once…

4

David Ormsbee
David Ormsbee
Nov 25, 2018 · 6 min read

XBlock Lessons: Costly Conveniences

This is the second in a series of articles on lessons learned from the development of XBlocks. This article will give an example of how complexity crept into the system because we were trying to make the XBlock interface easier to use. Please note that this article…

1

David Ormsbee
David Ormsbee in edX Engineering
Jul 6, 2018 · 12 min read

XBlock Lessons: Plugin Performance and Grading

A major architectural goal for Open edX in the coming years is to push more…

7

David Ormsbee
David Ormsbee
Jul 5, 2018 · 6 min read

Gift Card Hacks and Least Wrong Thing

I had a peculiar experience with the Barnes and Noble website last holiday season. There was a promotional offer, where if you spent $100 or more on an order between December 9th and 10th, you would get to take $25 off a purchase made after December 26th. My wife…