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Hello, everyone. I have been looking at the multi-level page table of the operating system recently, but I still have some doubts about the multi-level page table. the first-level page table covers all the virtual address space, and some of his table ...
when reading the book "operating system now " today, there is a sentence in the introduction to threads on page 53: there are often situations where multiple control threads are running in quasi-parallel in the same address space I would like to as...
for machines with 32-bit operating system and 4G memory, addressing within the range of 4G is supported at most because of 32-bit systems, and since the actual physical memory size is 4G, in this case, the address of virtual memory must exceed 4G. In tha...
the subject uses Mac. I wonder what kind of process the system background is when a software is opened. In addition, why the window can be opened in the same place on the desktop after some software is closed and restarted, and can retain the window size...
problem description I installed the general operation of MySQL, with docker, but when I deleted part of the data to optimize storage, after executing the optimize command, the container closed unexpectedly. I tried it twice and encountered the same si...
I have been climbing the front page of Dianping s store recently. Url is similar to http: m.dianping.com shop 4094416. Because Dianping has anti-crawling against IP, I built a dynamic IP tunnel that can switch IP, in seconds, that is, to change an IP...
waiting now, how to solve height: 54px; line-height: 54px; iPhone placeholder is normally centered vertically, while Android phone is on the upper side iPhone cursor is not normal ...
async loads js files in parallel. The download is executed immediately, not in the order of the script tags on the page. since async has this feature, why not add this attribute to all script tags? It s all asynchronous, isn t it faster? <script...
}; webpack-server ...