Search notes:

Power Query M formula language standard library: List.Difference

In the following Power Query expression, diff is evaluated to the list {"a", "c", "b"}. 
let
   L1 = {"x", "y", "z"},
   L2 = {"a", "y", "c", "x", "b"},
   diff = List.Difference(L2, L1)
in
   diff

See also

The Power Query standard library

Index

Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php:78 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(78): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(30): insert_webrequest_('/notes/Microsof...', 1758209509, '216.73.216.150', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/Microsoft/Power-Query/M-formula/standard-library/List/Difference(42): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 78