Arduino arithmetic quirk

You’d expect bigvalue to hold 16000 right? No. Apparently arithmetic operation are done using the data type of the operand. So if you do any arithmetic operation (+-*/) that exceeds what the operand data type can hold, for example integer {+32767,-32768} you’d…

Defeated DNS hijack

Prelude My dorm’s ISP Extreme Broadband network hijacks all DNS queries internally and answer them as if it came from the outside, even if you explicitly wanted to use external servers. You could easily see that it…