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Given a table salary, such as the one below, that has m=male and f=female values.

X city opened a new cinema, many people would like to go to this cinema.

谢太傅问诸子侄："子弟亦何预人事，而正欲使其佳？

Write a SQL query to find all duplicate emails in a table named Person.

computer by the user's web browser while the user is browsing.

UDP is one of the core protocols of the **Internet Protocol Suite**, used to send messages called **datagrams** between computers.

太白纯以气象胜。

exception-safe code and for formalizing rules on resource management.

In C++ an *lvalue* is something that points to a specific memory location.

You need to keep count of some data (Example - strings) and no ordering is required.