ryan-mars

  // Available variables:
  // - Machine
  // - interpret
  // - assign
  // - send
  // - sendParent
  // - spawn
  // - raise
  // - actions

ryan-mars

What are the fundamental "primatives" of cloud native applications?

• Distributed hash table (Dynamo)
• Full text search (Elastic Search)
• Large object storage
  • Write at once, or append only (S3)
  • Read-write at byte resolution (EFS)
• Function - short duration, batch?, discrete?, pure function? (Lambda)
• Function - indefinite duration, reentrant (Fargate)
• Queue - records stand alone, matter more in relation to data outside the queue, think of a queue of tasks (SQS)

ryan-mars

import { X } from 'path/to/module'

jest.mock('path/to/module', () => ({
    X: jest.fn()
}));

test(() => {
  expect(X).toHaveBeenCalled()
})

ryan-mars

Description

This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.

The script is here:

#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"

Results