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Articles tagged with #go
We can use channels to easily simulate a worker pool: package main import ( "fmt" "time" ) func main() { numWorkers := 5 numJobs := 100 // make sure these 2 channels have buffer size of numJobs jobChan := make(chan int, num...
Install packages: go get github.com/aws/aws-sdk-go go get github.com/gabriel-vasile/mimetype Files In main.go package main import ( "fmt" "io/ioutil" "log" "os" "s3upload/s3client" "time" "github.com/gabriel-vasile/mime...
Use 3rd-party package to generate uuidv4 string: Step 1 Install package: go get github.com/google/uuid Step 2 Call function: func main() { uuidStr := uuid.NewString() fmt.Println(uuidStr) }
1, LoadLocation 2, Call time.In method package main import ( "log" "time" ) func main() { t := time.Now() loc, err := time.LoadLocation("Asia/Shanghai") if err != nil { log.Fatalf("%s\n", err) } locTime := t.In(l...
Search Transaction with Golang package main import ( "context" "encoding/json" "fmt" "os" "strings" "github.com/algorand/go-algorand-sdk/client/v2/common" "github.com/algorand/go-algorand-sdk/client/v2/indexer" ) // he...
Hmac Use crypto/hmac to calculate message authentication code. hmac & use md5 as digest method package main import ( "fmt" "crypto/hmac" "crypto/md5" ) func main() { key := []byte("hello") msg := []byte("world") mac := hmac....