Asụsụ Mmemme
Asụsụ mmemme ngwa ngwa, nke e dere n'usoro kwụ ọtọ site na Google maka iwulite ngwa dị irè ma gbasaa nke ukwuu
Compile millions of lines in seconds with dependency management
Lightweight concurrency with CSP-style message passing
Single binary with no dependencies for easy deployment
HTTP servers, JSON, crypto, testing, and more built-in
Compile for Linux, macOS, Windows, ARM from any platform
go fmt, go test, go mod, race detector, profiler included
# Download latest (check golang.org/dl)
wget https://go.dev/dl/go1.21.5.linux-amd64.tar.gz
# Extract to /usr/local
sudo rm -rf /usr/local/go
sudo tar -C /usr/local -xzf go1.21.5.linux-amd64.tar.gz
# Add to PATH
echo 'export PATH=$PATH:/usr/local/go/bin' >> ~/.bashrc
echo 'export GOPATH=$HOME/go' >> ~/.bashrc
source ~/.bashrc
# Verify
go versionpackage main
import "fmt"
func main() {
fmt.Println("Hello, World!")
}go run main.go
go build -o myapp main.go
./myappmyapp/
├── go.mod # Module definition
├── go.sum # Dependency checksums
├── main.go # Entry point
├── internal/ # Private packages
└── cmd/ # CLI commandsmodule github.com/user/myapp
go 1.21
require (
github.com/gin-gonic/gin v1.9.1
github.com/lib/pq v1.10.9
)package main
import (
"net/http"
"github.com/gin-gonic/gin"
)
func main() {
r := gin.Default()
r.GET("/", func(c *gin.Context) {
c.JSON(200, gin.H{"message": "Hello"})
})
r.Run(":8080")
}package main
import (
"fmt"
"time"
)
func worker(id int, jobs <-chan int, results chan<- int) {
for j := range jobs {
fmt.Printf("Worker %d processing job %d\n", id, j)
time.Sleep(time.Second)
results <- j * 2
}
}
func main() {
jobs := make(chan int, 100)
results := make(chan int, 100)
// Start 3 workers
for w := 1; w <= 3; w++ {
go worker(w, jobs, results)
}
// Send 5 jobs
for j := 1; j <= 5; j++ {
jobs <- j
}
close(jobs)
// Collect results
for a := 1; a <= 5; a++ {
<-results
}
}Nweta n'ime minit na anyị mfe VPS deployment usoro
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