If you work with weeknummers, you can find the weeknumber of a date with the Golang function time.ISOWeek. However you wish to get the first date of a week, there is no such function in Google Go. So let's write it our selfs: func FirstDayOfISOWeek(year int, week int, timezone *time.Location) time.Time { date := time.Date(year, 0, […]

Sometimes you want to know how long it takes to execute a piece of code. This is how to do it Golang: func main() { start := time.Now() // Do something time consuming elapsed := time.Since(start) log.Printf("Time to execute code %s", elapsed) }