“现行SAE分级是法律和责任的划分，非技术鸿沟。L3本质上是限定ODD运行范围的L4，因此跳过在技术上是个伪命题。“在公众号“电厂”的一篇文章中，原博世车载产品线负责人易强认为，L3是“缩小范围的L4”，区别主要是在法律法规上。法律人为限定了L3的使用范围。这才是当下L3和L4最大的不同。
The 80286 introduced "Protected Mode" in 1982. It was not popular. The mode was difficult to use, lacked paging, and offered no way to return to real mode without a hardware reset. The 80386, arriving three years later, made protection usable -- adding paging, a flat 32-bit address space, per-page User/Supervisor control, and Virtual 8086 mode so that DOS programs could run inside a protected multitasking system. These features made possible Windows 3.0, OS/2, and early Linux.
// console.log(dailyTemperatures([73,74,75,71,69,72,76,73])); // [1,1,4,2,1,1,0,0]。关于这个话题，爱思助手下载最新版本提供了深入分析
Types: tdt-ctc-110m, tdt-600m, eou-120m,
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Fast forward a year: they get a new phone and set up the messaging app. They aren’t prompted to use a passkey because one no longer exists in their credential manager. Instead, they use phone number verification to recover their account. They are then guided through the “restore backup” flow and prompted for their passkey.，这一点在51吃瓜中也有详细论述
Who owns Blockchain?Blockchain is a decentralized technology. It’s a chain of distributed ledgers connected with nodes. Each node can be any electronic device. Thus, one owns blockhain.