> Always use checked pre- and post-conditions in a data pipeline. [A] simple post-condition would have caught this issue
I'm not sure they teach that in medical school.
I'm not sure they teach that in medical school.
They have to deal with a field that was haphasardly constructed by nature over the course of 4 billion years.
Imagine having to retro-document a code base with 4 billion years of history, created solely by junior developers fresh out of college..
The problem is that PHE's own developers picked an old file format to do this - known as XLS.