Data races with built-in maps The native map type in Go is not safe for concurrent writes or mixed reads/writes without synchronization. Simultaneous read and write on the same map leads to a runtime fatal error. func unsafeConcurrentMap() { dict := map[int]int{} // Concurrent reader go func() { for...
Install and import Install the official v3 client module: go get go.etcd.io/etcd/client/v3 References: API docs: https://pkg.go.dev/go.etcd.io/etcd/client/v3 import ( "context" "encoding/json" "fmt" "log" "time" clientv3 "go.etcd.io/etcd/client/...
Add WebSocket endpoints to a Gin-based Go service using Gorillla WebSocket, plus a minimal browser client to exercise both text and JSON message flows. WebSocket libray The server uses Gorilla WebSocket to the protocol upgrade and message I/O: github.com/gorilla/websocket Backend (Go) The server exp...
Overview The Go programming language offers robust features for various development tasks, but creating user interfaces, especially cross-platform GUIs, has traditionally been challenging. Fyne is a Go-based library that allows developers to build cross-platform graphical applications with ease, inc...