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AWS Lambda: Advanced Coding Session (slides)

Live demos:

1. Amazon API Gateway Access Control
2. Amazon Kinesis Streams processing
3. Amazon Cognito Sync trigger
4. AWS CloudFormation Custom Resources

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Effective Engineer - Notes

• By Edmond Lau
• Highly Recommended 👍
• http://www.theeffectiveengineer.com/

What's an Effective Engineer?

• They are the people who get things done. Effective Engineers produce results.

Adopt the Right Mindsets

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1. Run the following in your terminal.

defaults write com.apple.BluetoothAudioAgent "Apple Bitpool Max (editable)" 80
defaults write com.apple.BluetoothAudioAgent "Apple Bitpool Min (editable)" 80
defaults write com.apple.BluetoothAudioAgent "Apple Initial Bitpool (editable)" 80
defaults write com.apple.BluetoothAudioAgent "Apple Initial Bitpool Min (editable)" 80
defaults write com.apple.BluetoothAudioAgent "Negotiated Bitpool" 80
defaults write com.apple.BluetoothAudioAgent "Negotiated Bitpool Max" 80
defaults write com.apple.BluetoothAudioAgent "Negotiated Bitpool Min" 80

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version: 0.2

phases:
  install:
    commands:
      - echo Entered the install phase...
      - pip install -r requirements.txt
  build:
    commands:
      - echo Entered the build phase...

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''' Return image tags specified in ECS task definition '''
import json
import sys
import boto3

ECR_CLIENT = boto3.client('ecr')
ECS_CLIENT = boto3.client('ecs')


def main(cluster_name, service_name):

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#!/bin/bash
set -euo pipefail
<...>
echo "Checking that agent is running"
until $(curl --output /dev/null --silent --head --fail http://localhost:51678/v1/metadata); do
  printf '.'
  sleep 1
done
exit_code=$?
printf "\nDone\n"

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def release = false

pipeline {
  agent any

  options {
    timestamps()
    disableConcurrentBuilds()
  }

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def getProjectName() {
    return 'JenkinsPipeline'
}

def getJDKVersion() {
    return 'jdk1.8.0_101'
}

def getMavenConfig() {
    return 'maven-config'

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[alias]

  ##
  # One letter alias for our most frequent commands.
  #
  # Guidelines: these aliases do not use options, because we want
  # these aliases to be easy to compose and use in many ways.
  ##

  a = add

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Reading

1. Go through the tour at https://tour.golang.org/welcome/1
2. Promptly abandon all of those plans you have to use channels everywhere
3. Read the language spec once over: https://golang.org/ref/spec
4. https://dave.cheney.net/2017/04/26/understand-go-pointers-in-less-than-800-words-or-your-money-back
5. Read Effective Go: https://golang.org/doc/effective_go.html
6. Read CodeReviewComments (essentially a semi-official style guide) https://github.com/golang/go/wiki/CodeReviewComments
7. http://devs.cloudimmunity.com/gotchas-and-common-mistakes-in-go-golang/
8. https://coder.today/tech/2018-11-10_profiling-your-golang-app-in-3-steps/ This is a very effective tool in your toolbelt, and you will use it A LOT.
9. And a smattering of other good articles: