In my PyCon UK talk yesterday I promised to update the and document
the copy of writabletestcase.WritableTestCase on GitHub.
The version I've put up is not quite as powerful as the example I showed in the talk—that will follow—but has the basic functionality.
I've now added examples …
Continue readingPython UK 2016, Cardiff.
I gave a talk on test-driven data analysis at PyCon UK 2016, Cardiff, today.
The slides (which are kind-of useless without the words) are available here.
More usefully, a rough transcript, with thumbnail slides, is available here.
Continue readingPosted on Mon 15 February 2016 in TDDA • Tagged with tdda, bad data
My first paid programming job was working for my local education authority during the summer. The Advisory Unit for Computer-Based Education (AUCBE), run by a fantastic visionary and literal "greybeard" called Bill Tagg, produced software for schools in Hertfordshire and environs, and one of their products was a simple database …
Continue readingPosted on Wed 06 January 2016 in TDDA • Tagged with tdda, errors, interpretation
Guest Post by Patrick Surry, Chief Data Scientist, Hopper
Every year, Expedia and ARC collaborate to publish some annual statistics about domestic airfare, including their treatment of the perennial question "How far in advance should you book your flight?" Here's what they presented in their report last year:
Although there …
Continue readingPosted on Wed 16 December 2015 in TDDA • Tagged with tdda, tools
Good tools for testing matter because the temptation to skimp on testing is real even for true believers: anything that reduces the friction and pain associated with actually adding tests therefore has a disproportionate effect on adoption and implementation rates.
I think there are several reasons the temptation to forego …
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