Why was the designer always cold?
Because they always used too much ice-olation.
Why was the JavaScript developer sad?
He didn't know how to null his feelings.
Knock-knock.
A race condition. Who is there?
An IPv6 packet is walking out of the house.
He goes nowhere.
Why did the programmer quit their job?
They didn't get arrays.
Why do Java programmers wear glasses?
Because they don't C#.
Why did the programmer go broke?
He used up all his cache
How many React developers does it take to change a lightbulb?
None, they prefer dark mode.
I just got fired from my job at the keyboard factory.
They told me I wasn't putting in enough shifts.
Why dot net developers don't wear glasses?
Because they see sharp.