CeilDate rounds date up to the start of next day if date is not already a start (00:00:00).

CheckEmailMX takes an e-mail address and verifies that an MX DNS record exists for its domain.

IsNoCache checks whether returning a cached resource no older than cacheTtl is allowed given the incoming request.

LocalTZOffset returns the time difference between server local time and UTC.

ParseJsonDropKeys parses the given JSON input object to an object of given type, while omitting the specified keys on the way.

QuoteDbIdentifier quotes a column name used in a query.

QuoteSql quotes a SQL statement with the given identifiers.

SplitRangeByDays creates a slice of intervals between from and to, each of which is at max of 24 hours length and has its split at midnight.

WaitTimeout waits for the waitgroup for the specified max timeout.

WithRecovery executes a given function while recovering from panics and returning them as an errors.

WithRecovery1 executes a given function with one parameter while recovering from panics and returning them as an errors.