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import time, sys
from Quartz.CoreGraphics import CGEventCreateMouseEvent
from Quartz.CoreGraphics import CGEventCreate
from Quartz.CoreGraphics import CGEventPost
from Quartz.CoreGraphics import CGEventGetLocation
from Quartz.CoreGraphics import kCGEventMouseMoved
from Quartz.CoreGraphics import kCGEventLeftMouseDown
from Quartz.CoreGraphics import kCGEventLeftMouseUp
from Quartz.CoreGraphics import kCGMouseButtonLeft
from Quartz.CoreGraphics import kCGHIDEventTap

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defmodule MyApp.Migration do
  @moduledoc """
  Additional helpers for PostgreSQL.
  """

  import Ecto.Migration, only: [execute: 2]

  defmacro __using__(_) do
    quote do
      use Ecto.Migration

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Authenticating for bootstrap

gcloud auth application-default login A web browser should open up, asking you to authorize access .

You can set up a default tfvars for the input. For instance

project_id = "internal-lab"
aws_identity_pool_info = {

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Intel 320 vs DynamoDB

As a note, if you find errors with the math below, please let me know.

This cost comparison only compares cost per I/O operation. It does not discuss storage or transit costs.

Intel 320

• Intel 320 series SSD, 300GB specs: http://www.intel.com/content/www/us/en/solid-state-drives/ssd-320-specification.html

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Screencasting Framework

The following document is a written account of the Code School screencasting framework. It should be used as a reference of the accompanying screencast on the topic.

Why you should care about screencasting?

You're probably aren't going to take the time to read this document if you're not interested, but there are a lot of nice side effects caused by learning how to create quality screencasts.

1. Communicating more effectively - At Envy Labs we produce screencasts for our clients all the time. Whether it's demoing a new feature or for a presentation for an invester, they're often much more effective and pleasent than a phone call or screen sharing.

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VSCode Shortcuts

List of helpful shortcuts for faster coding

If you have any other helpful shortcuts, feel free to add in the comments of this gist :)

Official List of all commands

• Windows
• Mac

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spec:
  template:
    spec:
      containers:
      - name: airflow-worker
        resources:
          requests:
            memory: 2Gi
          limits:
            memory: 2Gi

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apiVersion: autoscaling/v2beta1
kind: HorizontalPodAutoscaler
metadata:
  name: airflow-worker
  namespace: # use ${AIRFLOW_WORKER_NS} variable defined above
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: airflow-worker

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#!/usr/bin/env bash
set -e

PROJECT=[provide your gcp project id]
COMPOSER_NAME=[provide your composer environment name]
COMPOSER_LOCATION=[provide the selected composer’s location e.g. us-central]
CLUSTER_ZONE=[provide the selected composer’s zone e.g. us-central1-a]

# Enable autoscaling in node level
GKE_CLUSTER=$(gcloud composer environments describe \

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# Luke's config for the Zoomer Shell

# Enable colors and change prompt:
autoload -U colors && colors
PS1="%B%{$fg[red]%}[%{$fg[yellow]%}%n%{$fg[green]%}@%{$fg[blue]%}%M %{$fg[magenta]%}%~%{$fg[red]%}]%{$reset_color%}$%b "

# History in cache directory:
HISTSIZE=10000
SAVEHIST=10000
HISTFILE=~/.cache/zsh/history