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@foolishway
foolishway / goroutine channel
Created January 4, 2020 07:33
goroutine channel
package main
import (
"fmt"
"math/rand"
"sync"
"time"
)
func main() {
@foolishway
foolishway / Errors_are_values
Created January 20, 2020 08:52
Errors are values, handle errors gracefully.
package main
import (
"io"
"log"
)
type Writter struct {
w io.Writer
e error
}
@foolishway
foolishway / crawler.go
Last active February 25, 2020 02:05
Fetch web blogs page by page and save the html content to local
package main
import (
"bytes"
"errors"
"flag"
"fmt"
"io/ioutil"
"log"
"net/http"
@foolishway
foolishway / product_custome.go
Created March 31, 2020 13:02
package main
import (
"fmt"
"runtime"
"sync"
"time"
)
type ProductConsumer struct {
@foolishway
foolishway / marshal.go
Created April 5, 2020 01:38
package main
import (
"encoding/json"
"fmt"
"time"
)
type MyUser struct {
ID int64 `json:"id"`
@foolishway
foolishway / decorator.go
Last active April 5, 2020 02:21
package main
import (
"log"
"net/http"
)
type handler func(w http.ResponseWriter, r *http.Request)
func decorator(ft handler) handler {
@foolishway
foolishway / concurrency.go
Last active April 5, 2020 09:44
package main
import (
"fmt"
"sync"
"sync/atomic"
"time"
)
type work struct {
@foolishway
foolishway / first_class_function.go
Created April 5, 2020 13:59
package main
import (
"fmt"
"math"
)
type Calculator struct {
acc float64
}
@foolishway
foolishway / stack.go
Created April 10, 2020 06:08
package main
import (
"fmt"
"strconv"
)
type Istring interface {
string(string) string
}
@foolishway
foolishway / gist:1630080596f7b3888038c687fed77a92
Created April 12, 2020 14:11
stringHeader.go
package main
import (
"fmt"
"unsafe"
)
func main() {
b := []byte("some momery")
s := string(b)