hezhizhen

package main

import (
	"crypto/sha256"
	"fmt"
	"strconv"
)

func main() {
	fmt.Println(sha256sum(16888)) // dfaf07638f5e92673ef23f8c8878afe8f3580d0fde7fb54b23e841626c3bedbc

hezhizhen

package main

import (
	"fmt"
	"sort"

	"github.com/Masterminds/semver/v3"
)

type Language struct {

hezhizhen

package main

import (
	"fmt"
	"sync"
)

func main() {
	printNumbersInKGoroutinesForNTimes(3, 10) // 123123123123123123123123123123
}

hezhizhen

# 生成私钥
$ openssl genrsa -out ssl.key 2048
# 对私钥进行加密
$ openssl rsa -in ssl.key -des3 -out encrypted.key
# 私钥生成证书请求（根据需求选择加密私钥或者非加密私钥）
$ openssl req -new -key ssl.key -out ssl.csr -sha256
# 用 ca 证书给证书请求签证
$ openssl x509 -req -in ssl.csr -CA ca.crt -CAkey ca.key -CAcreateserial -out ssl.crt -days 365 -sha256

hezhizhen

package main

import (
	"bytes"
	"context"
	"os"

	corev1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/cli-runtime/pkg/genericclioptions"

hezhizhen

package main

import "fmt"

func main() {
    v := []int{1,2,3}
    for i := range v {
        v = append(v, i)
    }
    fmt.Println(v)

hezhizhen

package main

import "fmt"

func main() {
    fmt.Println("hello world")
}