This post is first posted on my WeChat public account: GeekArtT Reading source code is always one big part for software engineers. Just like the writers to learn writing by reading a heck of classic books, like the painters to "read" a bunches o…

ZZ from here :  ask what kernel ring buffer is A few days ago I started thinking that my linux education has halted. I didn't seem to be learning anything new, even though I fealt like a total linux newbie. Then I reminded myself "Everything in linux…

转载:https://www.linux.com/learn/linux-career-center/44184-the-kernel-newbie-corner-kernel-debugging-with-proc-qsequenceq-files-part-3 Finally, after two installments of the basics of debugging with sequence files, we're going to finish off by demonstr…

转载:https://www.linux.com/learn/linux-career-center/39972-kernel-debugging-with-proc-qsequenceq-files-part-2-of-3 This week, we'll pick up where we left off last week and continue discussing simple kernel and module debugging using seq_file-based proc…

转载:https://www.linux.com/learn/linux-career-center/37985-the-kernel-newbie-corner-kernel-debugging-using-proc-qsequenceq-files-part-1 Over this column and the next one (and possibly the one after that, depending on how detailed we get), we're going t…

上一篇简单了解了Web发展的简要历史,本篇简单介绍前端开发的基本三要素:HTML.CSS.JavaScript中的HTML以及一些在开发.学习过程中易被忽视的知识点. HTML HTML全称是超文本标记语言 (Hyper Text Markup Language),是一种包含多种标签的标记语言,用来描述网页.浏览器读取HTML文档,并以网页的形式显示它们,浏览器不会显示 HTML 标签,而是使用标签来解释页面的内容.因此,一个网页可以简单的理解为HTML标签和纯文本的集合,通常,我们把一个HTM…

题 SmallR is an archer. SmallR is taking a match of archer with Zanoes. They try to shoot in the target in turns, and SmallR shoots first. The probability of shooting the target each time is  for SmallR while  for Zanoes. The one who shoots in the tar…

http://acm.hust.edu.cn/vjudge/contest/view.action?cid=102419#problem/E Description An infinitely long railway has a train consisting of n cars, numbered from 1 to n (the numbers of all the cars are distinct) and positioned in arbitrary order. David B…

http://acm.hust.edu.cn/vjudge/contest/view.action?cid=102419#problem/D The famous Korean internet company has provided an internet-based photo service which allows The famous Korean internet company users to directly take a photo of an astronomical p…

http://acm.hust.edu.cn/vjudge/contest/view.action?cid=102419#problem/C Description I’ve bought an orchard and decide to plant some apple trees on it. The orchard seems like an N * M two-dimensional map. In each grid, I can either plant an apple tree…