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Get the default VPC Id

aws ec2 describe-vpcs --filters "Name=isDefault,Values=true" --output text --query 'Vpcs[*].{Vpc:VpcId}'

Get all the cloudformation stack names

aws cloudformation describe-stacks --region us-east-1 --output text --query 'Stacks[*].{Stack:StackName}'

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write-output "Running User Data Script"
write-host "(host) Running User Data Script"

Set-ExecutionPolicy Unrestricted -Scope LocalMachine -Force -ErrorAction Ignore

# Don't set this before Set-ExecutionPolicy as it throws an error
$ErrorActionPreference = "stop"

# Remove HTTP listener
Remove-Item -Path WSMan:\Localhost\listener\listener* -Recurse

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Search a string across commits

git log -S <string to find> --source --all

To find all commits that added or removed the fixed string string to find. The --all parameter means to start from every branch and --source means to show which of those branches led to finding that commit.

Find branches the commit is on

git branch --contains <commit>

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security_groups.push(element.UserIdGroupPairs.map(function(element){
                    if (element.GroupId !== sg_id) {
                        return element.GroupId;
                    }  
                }));

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let msg = {
  name: 'channel add',
  data: {
    name: 'Hardware Support'
  }
};

let ws = new WebSocket('ws://localhost:4000');

ws.onopen = () => {

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{"timestamp":"1464971434.260286093","source":"worker","message":"worker.garden.unpack-assets.unpacking","log_level":1,"data":{"session":"1.1"}}
{"timestamp":"1464971448.578568697","source":"worker","message":"worker.garden.unpack-assets.done","log_level":1,"data":{"session":"1.1"}}
{"timestamp":"1464971448.579437971","source":"worker","message":"worker.garden.extract-resources.extract.extracting","log_level":1,"data":{"resource-type":"archive","session":"1.2.1"}}
{"timestamp":"1464971449.821817398","source":"worker","message":"worker.garden.extract-resources.extract.extracting","log_level":1,"data":{"resource-type":"bosh-deployment","session":"1.2.2"}}
{"timestamp":"1464971452.130784750","source":"worker","message":"worker.garden.extract-resources.extract.extracting","log_level":1,"data":{"resource-type":"bosh-io-release","session":"1.2.3"}}
{"timestamp":"1464971453.105770588","source":"worker","message":"worker.garden.extract-resources.extract.extracting","log_level":1,"data":{"resource-type":"bosh-io-stemce

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Stash current changes: git stash
Go back to the latest commit for edition: git rebase -i HEAD~1
Set the edit option
Apply the stashed changes to be added in the commit: git stash apply
Add the files: git add missing_files
Change the latest commit: git commit —amend
Finish the rebase: git rebase —continue

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---
applications:
- name: simple-gochos-web-app
  disk: 256M
  memory: 128M

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Sun Jun 19 04:04:47 UTC 2016

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from __future__ import print_function

import json
import urllib
import boto3

print('Loading function')

s3 = boto3.client('s3')