#数据库
在中国做数据库的，多少都听过 萨师煊 教授的名字，他撰写的《数据库系统概论》第一版于1983年出版，是中国大陆第一本讲解数据库系统实现的专著，人民大学在数据库领域也是内地最强的几所高校之一。
今天看到《萨师煊教授：国产数据库学科的拓荒人与奠基者》一文中提及他的家世，才知道这么显赫：
* 萨氏源于山西雁门萨氏先祖，已有六七百年的历史，祖先是蒙古色目人。
* 最早的先祖是元代四大诗人之一的萨都剌，曾官至南台侍御史，钦赐萨姓，此为萨氏家族立姓之始。
* 萨都剌的孙子萨仲礼是元统年间（1333年）的进士，官至福建行中书省检校，举家由晋迁闽，子孙繁衍渐成望族。
* 后人中包括：爱国海军将领 萨镇冰、中山舰长 萨师俊，物理学家 萨本栋、化学家 萨本铁、微电子学家 萨支唐、数学家 萨支汉等等。
BY codedump的电报频道
The Singapore stock market has alternated between positive and negative finishes through the last five trading days since the end of the two-day winning streak in which it had added more than a dozen points or 0.4 percent. The Straits Times Index now sits just above the 3,060-point plateau and it's likely to see a narrow trading range on Monday.
In general, many financial experts support their clients’ desire to buy cryptocurrency, but they don’t recommend it unless clients express interest. “The biggest concern for us is if someone wants to invest in crypto and the investment they choose doesn’t do well, and then all of a sudden they can’t send their kids to college,” says Ian Harvey, a certified financial planner (CFP) in New York City. “Then it wasn’t worth the risk.” The speculative nature of cryptocurrency leads some planners to recommend it for clients’ “side” investments. “Some call it a Vegas account,” says Scott Hammel, a CFP in Dallas. “Let’s keep this away from our real long-term perspective, make sure it doesn’t become too large a portion of your portfolio.” In a very real sense, Bitcoin is like a single stock, and advisors wouldn’t recommend putting a sizable part of your portfolio into any one company. At most, planners suggest putting no more than 1% to 10% into Bitcoin if you’re passionate about it. “If it was one stock, you would never allocate any significant portion of your portfolio to it,” Hammel says.
codedump的电报频道 from ye