Have you ever found a Rails topic that didn���t make any sense to you?

Like, you thought you knew it, so you wrote some code, and something completely different happened?

Or you know you don���t understand, but you kind of know enough to get by, except you spend so much time fighting edge cases that you could have been an expert in it by the time you were done?

Well, what if it didn���t have to be that way? Wouldn���t it better to just know how things worked? To have a solid mental model of t...