#书
清华大学严蔚敏老师去世（见微博）。
当年学习数据结构，就是看的严蔚敏的数据结构书入门的。大一的暑假，只剩我一个人的宿舍里，对着蓝色界面的TC2.0，把书里的伪代码敲成C语言，调试代码里的问题，至今那个暑假的夏天仍然是我美好的回忆。
BY codedump的电报频道
In recent times, Telegram has gained a lot of popularity because of the controversy over WhatsApp’s new privacy policy. In January 2021, Telegram was the most downloaded app worldwide and crossed 500 million monthly active users. And with so many active users on the app, people might get messages in bulk from a group or a channel that can be a little irritating. So to get rid of the same, you can mute groups, chats, and channels on Telegram just like WhatsApp. You can mute notifications for one hour, eight hours, or two days, or you can disable notifications forever.
For some time, Mr. Durov and a few dozen staffers had no fixed headquarters, but rather traveled the world, setting up shop in one city after another, he told the Journal in 2016. The company now has its operational base in Dubai, though it says it doesn’t keep servers there.Mr. Durov maintains a yearslong friendship from his VK days with actor and tech investor Jared Leto, with whom he shares an ascetic lifestyle that eschews meat and alcohol.
telegram from fr