Golang programing language provides built-in suport for base64 encoding. The base64 functions are available into the
encoding/base64 package. It provides implementations for both Standard, with or without padding and Filename safe Base64 encoding variant.
Golang maps implements a hash table. Hash tables are one of the most used data structure. A hash table is an unordered collection of key-value pairs, where each key is unique.
An array is a data structure with a fixed size containing elements (items) of the same type. Iterate over an array using
for loop or
for range loop.
How to write a
for loop using Golang programming language. Similar with other programing languages, the basic
for loop has three components separated by semicolons.
Interfaces are collections of method signatures. A interface type can hold any value that implements those methods. The empty interface is an interface type that specifies zero methods. A type assertion provides access to an interface underlying concrete value. Two interfaces are equal if they have equal concrete values and identical dynamic types, or if both are nil.
How to show open database connections in MySQL using
show status and
show processlist command.