- `(?<=b)_*&_*(?=a)` = any string that is preceded by 'b' AND followed by 'a'
Building something that is technically impressive and practically useless is an underrated way to learn things. I now understand way more about QEMU, WebAssembly memory models, cross-origin isolation headers, and the Java compiler API than I ever expected to. I learned that SharedArrayBuffer requires specific HTTP headers that most dev servers don’t set. I learned that container2wasm’s snapshot feature is genuinely clever and that the c2w-net networking proxy does things I didn’t think were possible from a browser. I learned that the JVM is incredibly heavy to cold-start but surprisingly cooperative if you just keep it running.，这一点在PDF资料中也有详细论述
。同城约会是该领域的重要参考
pm manages packages, for example pm list packages will produce package names, pm list permissions will list permissions.，更多细节参见17c 一起草官网
受制于算法推荐和平台推荐位，这些机构在大多数时候，只能“寄生”于某个内容平台，靠标题、标签、封面等算法导向的手段，把自己的内容推给对应的受众。
// 7. 数据均匀分布: 桶排序