Ned Batchelder's personal web site, blog, writings, software, math, parenting, autism
63 is a centered octahedral number. That means if you build an approximation of an octahedron with cubes, one size of octahedron will have 63 cubes. In the late 1700’s René Just Haüy developed a theory about how crystals formed: successive layers of fundamental primitives in orderly arrangements....
There’s a common idea out there that I want to refute. It’s this: when measuring coverage, you should omit your tests from measurement.
Here’s a true story from the #python IRC channel, a frequently-asked question played out for real. I’m nedbat, the other nick has been changed to protect the innocent:
This seems to be a recurring debate: should you measure the coverage of your tests? In my opinion, definitely yes.