PPT 的好坏见仁见智，我仅从能否在工作场景下使用来主观评判；
# 设置用户密码, 默认它创建了两个用户，一个是 root，一个是当前用户，使用 whoami 可查看当前用户名
，详情可参考谷歌浏览器【最新下载地址】
Browser font fallback determines the threat. When a page specifies font-family: Arial, Helvetica, sans-serif and a string contains Cyrillic а, the browser checks Arial’s glyph tables, finds Cyrillic coverage, and renders it using Arial’s Cyrillic glyphs — which are pixel-identical to the Latin ones. The CSS font stack you ship determines which column of the danger rate table applies to your users. Arial at 40.8% is a different risk profile from Didot at 19.2%.
A “Pastafarian” in rural Queensland has vowed to fight to keep his driver’s licence featuring a photo of him wearing a colander on his head, arguing it’s a matter of freedom of religion.
swap(&arr[low], &arr[j]);