Safari 和 Chrome 是 macOS 平台上最主流的两个浏览器，如何在它们之间取舍也一直是热门话题。虽然两者性能、速度孰优孰劣并无定论，但 Safari 更加稳定省电、Chrome 在功能和扩展性上更优则是没有疑问的。因此，对于 MacBook 而言，用电池供 […]

各位社会同仁： 感谢您选择北京大学网络服务！我们衷心希望能为您的燕园之旅增光添彩。为了帮助您更好地在北大校内使用网络，请您仔细阅读下列指南。 非校内学生 如果您不是北京大学全日制学生，原则上无法直接使用校内 […]

Translated from WannaCry About Business Models, by Ben Thompson, first published on Stratechery on May 15, 2017. **译者按：**WannaCry 病毒爆发后，舆论一方面惊叹其波及范围之广、危害之大，一方面也对谁来承担责任产生了分歧：责备微软修补不力者有之，慨叹用户惰于更新者有之， […]

「拖动」是 macOS 图形界面操作的精华。但是，在很多情况下，拖动并不像我们希望的那样随心所欲。例如，在当前 app 处于全屏模式的情况下，如何将其他桌面上的文件拖动到该 app 中？在桌面堆满了窗口的时候，如何在桌面和众多 app […]

An interesting piece from The Guardian: ISIS did not invent terrorism: it draws from a pool that already exists. The genius of Isis is the way it offers young volunteers a narrative framework within which they can achieve their aspirations. To summarise: the typical radical is a young, second-generation immigrant or convert, very often involved in episodes of petty crime, with practically no religious education, but having a rapid and recent trajectory of conversion/reconversion, more often in the framework of a group of friends or over the internet than in the context of a mosque. Which becomes even more inspiring when read along with this one from Aeon: […]