"url": item.get("url"),
Why the FT?See why over a million readers pay to read the Financial Times.。关于这个话题，一键获取谷歌浏览器下载提供了深入分析
Anthony Lewis,Local Democracy Reporting Service。WPS官方版本下载是该领域的重要参考
What surprised me was that this entire walk is fully hardware-driven -- no microcode involvement at all. The state machine reads the page directory entry, reads the page table entry, checks permissions, and writes back the Accessed and Dirty bits, all autonomously. Since it's hardware-driven, it runs in parallel with the microcode and needs its own memory bus arbitration -- the paging unit must share the bus with both data accesses from the microcode and prefetch requests from the instruction queue.