Yapcheekian

const internal_priv = ECPair.fromPrivateKey(
    Buffer.from(
        "1229101a0fcf2104e8808dab35661134aa5903867d44deb73ce1c7e4eb925be8",
        "hex",
    ),
);
const pub_key = toXOnly(internal_priv.publicKey);

const coldReserveScriptText1 = `${bitcoin.script.number
    .encode(144)

Yapcheekian

Scenario 1: only 2 container (red and blue) created

ip link add veth-red type veth peer name veth-blue

ip link set veth-red netns red

ip link set veth-blue netns blue

ip -n red addr add 192.168.15.1 dev veth-red

Yapcheekian

Okta

1. Create an application in okta
2. Choose SAML2.0
3. Give a random app name
4. Single sign on URL: KIBANA_ENDPOINT_URL/api/security/saml/callback
5. Audience URI (SP Entity ID): KIBANA_ENDPOINT_URL/

elasticsearch.yml

xpack:

Yapcheekian

type Model interface {
	comparable
	TableName() (schema, table string)
}

type Change[T Model] struct {
	New T
	Old T
}

Yapcheekian

CORS flow diagram

Oauth

bytecode

huli

leetcode pattern

Yapcheekian

docker run -it --rm k8s.gcr.io/kube-apiserver:v1.19.0 kube-apiserver --help

docker run -it --rm k8s.gcr.io/kube-scheduler:v1.19.0 kube-scheduler --help

Custom Scheduler

apiVersion: v1
kind: Pod

Yapcheekian

package mutator

import (
      "encoding/json"
      "log"
      "net/http"
      admission "k8s.io/api/admission/v1"
      corev1 "k8s.io/api/core/v1"
      metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)

Yapcheekian

package authenticate

import (
      "encoding/json"
      "errors"
      "log"
      "net/http"
      "strings"
      authentication "k8s.io/api/authentication/v1beta1"
)

Yapcheekian

package authorize

import (
      "encoding/json"
      "fmt"
      "log"
      "net/http"
      authorization "k8s.io/api/authorization/v1beta1"
)

Yapcheekian

package validate

import (
      "encoding/json"
      "log"
      "net/http"
      "regexp"
      admission "k8s.io/api/admission/v1"
      corev1 "k8s.io/api/core/v1"
      metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"