CS50 (Computer Science 50) is an on-campus and online introductory course on computer science taught at Harvard University and, as of 2015, Yale University as well. In 2016, CS50 became available to high school students as an AP course. The course material is available online for free on EdX with a range of certificates available for a fee. The on-campus version is Harvard’s largest class with 800 students, 102 staff and up to 2,200 participants in their regular hackathons.

CS50, Wikipedia

* 此课程笔记根据 Harvard CS50 Spring 2020 完成。

第 7 周讲了 SQL 与表格和 CSV 之间处理,Python 的 lambda 函数,一些 SQL 的关键字与简单概念、内连接、警惕注入攻击等。

大部分内容引用自 CS50 课程官方的笔记

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