Afolabi Oyebiyi on learning how to code what he cannot see 

In every conversation, there comes a point when it becomes something closer to a life guide—how things work, where they fail, and what it takes to keep going anyway.

With Afolabi Oyebiyi, a software engineer at Nigerian software consulting firm Cyclone, that point arrives when he talks about the accumulation of small, technical details like the screen readers that make computers speak,…