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Using PHP:

header("Cache-Control: no-cache, no-store, must-revalidate"); // HTTP 1.1.
header("Pragma: no-cache"); // HTTP 1.0.
header("Expires: 0"); // Proxies.
Using Java Servlet, or Node.js:

response.setHeader("Cache-Control", "no-cache, no-store, must-revalidate"); // HTTP 1.1.
response.setHeader("Pragma", "no-cache"); // HTTP 1.0.

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aws --profile production cognito-idp list-users --user-pool-id us-west-2_XXXXXXXXX --output table > ~/users.txt

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1. 제일 많이 쓰일 것 같은 단축 키 

ctrl + L  : 현재 입력 글자들은 남겨둔 채 'clear' 실행
ctrl + U : 현재 커서 위치부터 그 줄 처음부분 까지 지우기 


2. 그나마 좀 쓰일 것 같은 단축키 

ctrl + D : 현재 커서에 있는 글자 지우기
alt + B  : 이전 단어로 커서 이동

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package com.vogella.maven.quickstart;

import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import com.amazonaws.auth.profile.ProfileCredentialsProvider;
import com.amazonaws.regions.Regions;

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{
  "schemaVersion": "0.3",
  "assumeRole": "{{ AutomationAssumeRole }}",
  "description": "Disable Termination Protection of Instance",
  "parameters": {
    "InstanceId": {
      "type": "String",
      "description": "(Required) The ID of the instance."
    },
    "LambdaAssumeRole": {

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{
  "schemaVersion": "0.3",
  "assumeRole": "{{ AutomationAssumeRole }}",
  "description": "Disable Termination Protection of Instance",
  "parameters": {
    "InstanceId": {
      "type": "String",
      "description": "(Required) The ID of the instance."
    },
    "LambdaAssumeRole": {

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#!/usr/bin/env python
"""
EC2 Instance Killer

Usage:
    ec2_kill_with_fire.py [options] <instance_id>...

Options:
    -h, --help              Show this dialog
    -r, --region NAME       EC2 region [default: us-east-1]

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# Redis Cheatsheet
# All the commands you need to know


redis-server /path/redis.conf  # start redis with the related configuration file
redis-cli                      # opens a redis prompt


# Strings.

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{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Description": "Redirect {www.,}company.co.uk web site to company.com, including SSL",
  "Resources": {
    "BucketCompanyCoUk": {
      "Properties": {
        "AccessControl": "PublicRead",
        "BucketName": "company.co.uk",
        "CorsConfiguration": {
          "CorsRules": [

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AWS CodeCommit

Git

Store Git Credential

• Go to AWS IAM and download a Git credential file.

$ git config --global credential.helper store
$ git fetch
Username for 'repo': xxx