Finding these optimization opportunities can itself be a significant undertaking. It requires end-to-end understanding of the spec to identify which behaviors are observable and which can safely be elided. Even then, whether a given optimization is actually spec-compliant is often unclear. Implementers must make judgment calls about which semantics they can relax without breaking compatibility. This puts enormous pressure on runtime teams to become spec experts just to achieve acceptable performance.
В Финляндии предупредили об опасном шаге ЕС против России09:28
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一方面，.DS_Store 是跟随文件夹的，每个文件夹都会产生自己的 .DS_Store。
2024年12月24日 星期二 新京报