The hidden cost of naming something one thing in code and another in conversation
There’s a well-known quote about the two hard problems in computer science: cache invalidation and naming things. The naming problem is usually discussed in terms of choosing good names. But there’s a subtler version of the problem that causes more damage.
What Make teaches you about thinking in dependencies
Make is older than most programmers. It was written in 1976. It has quirks that would be considered bugs in any modern tool — tab sensitivity, implicit rules, recursive evaluation. And yet it persists.
Starting from what you know works and walking toward the failure
Most people debug forward. They start where they think the bug is and trace execution until something looks wrong. This works when your intuition is correct. When it isn’t, you end up wandering.