Idea Ripper // ArchiveCards: 1555 [Live] | Updated: 2026-10-14
Card #c859IR // #c859Synthesis

When you plan a system, a launch, or a budget, design for the worst realistic case, because that is exactly where things break. The average case is the pleasant lie; the edge case is where the damage lives.

— In our words · Source: Algorithms Every Programmer Should Know (Aniket Wattamwar)

[Use when]

You are sizing a plan, a budget, or a capacity and someone says "on average it will be fine."

[Why it matters]

Failure happens at the edges, not the average, so the worst case is the honest metric.

More from Algorithms Every Programmer Should Know

#c858Before you chase "better," name what you are giving up to get it. Speed costs money. Thoroughness costs time. Reach costs attention.…You are deciding between two "better" options and keep assuming one is best in every way, or someone promises… #c860Do the crude version first, the one that just works, then improve it once you can see the real bottleneck. Optimizing before you have a…You are stuck planning the perfect approach, or someone wants to optimize a process that does not work yet. #c861Before you improve a process, check the structure underneath it. If you are storing or organizing things the wrong way, no amount of hard…A process stays slow no matter how hard people work it, and every fix only shaves the surface.