Overview It is possible to create a slice or array of channel data type in Golang as well. In fact, a slice or array can be created of any data type in…
Category: Tech
Slice of Map in Go (Golang)
Overview It is possible to create a slice of map data type in Golang as well. In fact, a slice can be created of any data type in Go. Below is a…
Slice of Struct in Go (Golang)
Overview It is possible to create a slice of struct in Golang as well. In fact, a slice can be created of any data type in Go. Below is a simple example…
Append or Add to a Slice or Array in Go (Golang)
Overview In golang, the size of the array is part of its type. That is why the length of the array is fixed during creation and cannot be changed later. This is…
How to check if a map contains a key in Go (Golang)
Below is the format to check if a key exists in the map There are two cases If the key exists val variable be the value of the key in the map and ok variable will…
Read a file into a variable in Go (Golang)
Overview There are various ways of reading a file into a variable in golang. Here are some of the ways Using ReadFile function provided by the ioutil package Using os.Open and then…
Return an image or file in HTTP response in Go (Golang)
Overview Write method of the ResponseWriter interface in net/http package can be used to send the image or file body in an HTTP response body. When we send a file or image…
Return plain text body in HTTP response in Go (Golang)
Overview Write method of the ResponseWriter interface in net/http package can be used to set the text/plain body in an HTTP response In GO a response is represented by the ResponseWriter Interface. Here is…
Return 202 (StatusAccepted) in HTTP response in Go (Golang)
Overview net/http package of golang provides the status code constants which could be used to return different status codes- https://golang.org/src/net/http/status.go The same can also be used to return the 202 (StatusAccepted) HTTP…
Return JSON body in HTTP response in Go (Golang)
Overview Write method of the ResponseWriter interface in net/http package can be used to set the JSON body in an HTTP response In GO a response is represented by the ResponseWriter Interface. Here is…