Note the column name, mpg, is unquoted. That feature hasn’t been handy, though, if you want to write your own R functions using the tidyverse. That’s because base R functions usually need ...

Modern C++. How To Write a Function That Returns More Than One Value. Like magic, tuples make the impossible possible. Yep, we're talking here about one little corner in the Standard Template Library ...

Hi, that's a good problem Write a function called unique that takes an array as an argument and returns a new array that contains only the unique elements of the original array (i.e. all ...