接下来我让模型 M 认真去扫，还真找到了东西，固件里有一个 CRC 校验的函数。但这个函数非常奇怪：返回结果只有 8 bit。与此同时，固件最尾端有一段数据，结构上看起来非常像某种校验哈希。之前我大概研究过一下，Rockchip 自己有一套叫 RKCRC 的算法，这段数据的位置和格式都很符合。但追了半天也找不到任何验证逻辑去读取或比对这段数据。
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Turbo handles things like intercepting link clicks and form submissions, then swapping out the or targeted fragments of the page to give a Single Page App-like snappiness without actually building a SPA. I could then sprinkle in small Stimulus JS controllers to add specific behaviour where needed, like pop-up modals and more dynamic elements. It was pretty impressive how quickly I could build something that felt like a modern application while still using my familiar standard ERB templates and server-side rendered content.
evens := numbers.filter(fn(n: int) - bool { (n % 2) == 0 });