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Alice picked up a ticket about a broken date calculation in a React application, and dropped into the code to take a look. There, she found this:
Apr 25export function calcYears(date) {
return date && Math.floor((new Date() - new Date(date).getTime()) / 3.15576e10)
}
The lights are on here and the roof is intact and I'm grateful. Is anybody home? You decide.
Pharm fan Ian S. clucked "Perhaps they'll put those as dates on my headstone." If you're very lucky.
For testing networking systems, load simulators are useful: send a bunch of realistic looking traffic and see what happens as you increase the amount of sent traffic. These sorts of simulators often rely on being heavily multithreaded, since one computer can, if pushed, generate a lot of network traffic.
Thus, when Jonas inherited a heavily multithreaded system for simulating load, that wasn't a surprise. The surprise was that the developer responsible for it didn't really understand threading in Java. Probably in other languages too, but in this case, Java was what they were using.