What you are really saying is that people should develop influencing skills. OP starts by asking about programming tricks, but then mentions career, so it's har

What you are really saying is that people should develop influencing skills. OP starts by asking about programming tricks, but then mentions career, so it's hard to discern whether they just want some trivia. A programmer learning any soft skill will pay off exponentially in work and their personal life. The payoffs will be much bigger than any technical skill once two years into a career.