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As a self-taught developer, I learned a lot of what was foundational to my career from early O'Reilly books on UNIX, Perl, sed, awk, etc. Thrilled to finally have one of these animal covers with my name on it.

If you've been following my Phoenix Architecture work, this is the refined, polished and evolved (and edited by talented professionals) take on the topic. I've been building on these concepts for almost 20 years.

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Would love to discuss a phrase from chapter 4 with you “full formality is so expensive that almost no one pays for it” but now that is not the case because we do not have to pay for writing that full formality we just need to review it expresses the prose. Full disc: I am writing my own SW for this

Good point everything is changing rapidly. For the time being, I would still say that my statement is true and will remain so for a while because the cost is not simply the code most don’t have the expertise or even the understanding that this is something they should develop the expertise in

Narrower worry: a non-deterministic tool can’t check its own homework (as you say ). Something deterministic has to be able to disagree with it (but what is the level of that checker?). I’ve been bitten past “extensive testing” often enough to trust that more than coverage.