golang Go interface
Interface
To implement an interface in Go, we just need to implement all the methods in the interface.
Sa...
golang
golang golang Go make and new
make
Only slice, channel, map
Let's see sample code
// Make
// slice
v := make([]int, 5)
v2 := make([]int, 0)...
golang Go Array and Slice
Golang Array and Slice
Answer
Array : Fixed size
Slice : Flex size
Usage
It's better to show just s...
golang Go Web App Log
Log
By default, golang has log package (Package log) for logging purpose
import "log"
Usage is simpl...
golang Go Web Application Http Test
Http Test
Go Unit Test explains how to use test package and test simple json handle functions.
Next target is to ...
golang Go Unit Test
testing package
Go supports Test by default. testing package has functions to write test.
To write test, fil...
golang Go error
error
There are a lot of situation to use error in go.
some methods return not only values but also error at the ...
golang Go Web Application MySQL
Go MySQL
To connect Database is one of important part for Web Application.
Get user data, item data, etc... Ther...
golang Go Web Application Request body
Request body
To send data from client, request body is one of the way.For post request, body data is important.
F...
golang Go Web Application Read / Write Header
Go Read and Write Header
Header is important for web application.
To send header parameter, we can change behavio...