This blog post is about
The Bank moves its benchmark rate up and down in order to keep UK inflation - the rate at which prices are increasing - at or near 2%.
，这一点在夫子中也有详细论述
4. buildAgentSessionKey(...) 生成 SessionKey
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.