2 + 2

what is the minimum number of marbles required to tile a 4 offline 2 metres and with 3 metres and 36 cm

[2]: the default discovery settings are unsuitable for production use; at least one of [discovery.seed_hosts, discovery.seed_providers, cluster.initial_master_nodes] must be configured

traceback (most recent call last): file "app.py", line 2, in import pymongo modulenotfounderror: no module named 'pymongo'

Expected 2 arguments, but got 1.ts(2554) core.d.ts(7888, 47): An argument for 'opts' was not provided.

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysql.sock' (2) Ask

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) ubuntu

SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 2-3: truncated \UXXXXXXXX escape” Code Answer

/^(?:\+?(61))? ?(?:\((?=.*\)))?(0?[2-57-8])\)? ?(\d\d(?:[- ](?=\d{3})|(?!\d\d[- ]?\d[- ]))\d\d[- ]?\d[- ]?\d{3})$/

given an integer a pairs of parentheses, write a function to generate all combinations of well-formed parentheses of length 2*a.

rails file upload/ выгрузка файла в ruby on rails 2+