When is it OK to use an IORef?

State and its relative ST both produce `monolithic’ stateful computations which may be run as units. They basically treat the mutable state as intermediate data, which is needed to produce a result, but should not, in and of itself, be of interest to the rest of the programme. On the other hand, what one puts … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)