tkhk

TypeScript の型定義メモ

https://github.com/DefinitelyTyped/DefinitelyTyped/blob/master/types/react-router/index.d.ts

export function useParams<Params extends { [K in keyof Params]?: string } = {}>(): { [p in keyof Params]: keyof Params[p] extends undefined ? string | undefined : string };

<Params extends { [K in keyof Params]?: string } = {}>

• ジェネリック型パラメーター宣言
• key は Params のプロパティ名、value は string

tkhk

rails new した時の --skip-test と --skip-system-test の違い

--skip-test と --skip-system-test をそれぞれつける時とつけない時で比較した

$ diff -ru nooption skiptest

$ diff -ru nooption skipsystemtest

tkhk

# mysql
# self install webpack
rails new ${RAILS_PROJECT_NAME} \
  --database mysql \
  --skip-puma \
  --skip-action-cable \
  --skip-bundle \
  --skip-sprockets \
  --skip-coffee \
  --skip-turbolinks \

tkhk

AWSTemplateFormatVersion: '2010-09-09'

Description:
  GitLab Runner

Parameters:
  RunnerToken:
    Description: ""
    Type: String
  VPCID:

tkhk

package main

import (
	"crypto/md5"
	"encoding/hex"
	"fmt"
)

func main() {
	h := md5.New()

tkhk

#!/bin/bash
if [ $# -ne 1 ]; then
  echo "ERROR: Need profile name"
  exit 1
fi

profile_name=$1

stack_name=$(aws cloudformation list-stacks --profile ${profile_name} --region ap-northeast-1 \
  | jq -r '.StackSummaries[] | .StackName + "\t" + .StackStatus' \

tkhk

aws ec2 describe-instances | jq -r '.Reservations[].Instances[].Tags[] | select(.Key == "Name") | .Value'

tkhk

td-agent memo

• output の挙動を忘れたら以下の URL を見る
  • https://docs.fluentd.org/v1.0/articles/output-plugin-overview

TODO

• out_forward で write のたびに TCPSokcet open している・・・？

tkhk

#!/bin/sh
change_set_arn=arn:aws:cloudformation:ap-northeast-1:xxxxxxxxxxxxxxxxxxxxx
aws cloudformation describe-change-set --change-set-name $change_set_arn | jq '.Changes[].ResourceChange | select(.Scope[] | contains("Tags") | not) | .'

tkhk

#!/bin/sh
change_set_arn=arn:aws:cloudformation:ap-northeast-1:xxxxxxxxxxxxxxxxxxxxx
aws cloudformation describe-change-set --change-set-name $change_set_arn | jq '.Changes[].ResourceChange | select(.Scope[] | contains("Tags") | not) | .'