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Eloquent Ruby by Russ Olsen

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Chapter 30. Know Your Ruby Implementation

Back in the days when I programmed in C, every development team seemed to contain one engineer who knew something about assembly language. Since I did little or no coding in assembly language, this appeared to me to be a fairly useless skill—except that those assembly language-enabled engineers always seemed to have a unique perspective on how everything worked. Eventually I figured out that these two things were related: Having a basic understanding of the lower levels of your programming language helps you be a better programmer, even if you never actually work in those lower levels.

So, in this chapter we are going to look at the gears and pulleys of the major Ruby implementations. As we go along ...

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