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pragma solidity ^0.4.17;

contract SimpleStorage {
  uint storedData;

  function set(uint x) public {
    storedData = x;
  }

  function get() public view returns (uint) {

arpit

So far what we have learnt is about developing apps. But in a company software development is only part of the story, the other part is Software Delivery. This is where DevOps, Infrastructure Engineering etc roles come in.

Continuous Delivery and Continuous Integration

When you have no devops, you have a person doing the following:

• Check out code from repository
• Turn off web server
• Deploy code

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#The goal of this exercise is to create the models for a app like Twitter. We are not going to use Rails, just plain old Ruby.
#The goal is to be able to generate timelines for each user. The final code should look like this:


twitter = Twitter.new

user1 = User.new("alice")
user1.tweet("hello world")
user1.tweet("So hungry today")

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Rouge comes packed with a Sinatra test app.
To use it, you have to run this command in the root of the app:

```
rackup
```
which boots up a Sinatra server

When its running:
http://localhost:9292/?theme=monokai

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/**
This code snippet shows how an Android activity can trigger a web based auth using webview and then use
the cookies from there to make subsequent calls to an API (since the api is checking the cookies to detect
sign in)

MyApplication:  The root "controller" and the first activity in my app
OAuthLogin:     A class that handles the web based login.
                It montors the url change and if the user had been redirected to 
                a "success" page it sends out the cookie string to the root controller
                Once the controller has the cookie, it sets those on the service that

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0x3D143E0450Eb9A450846bb7b861F46D15B156D07

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Setting up your device

On Android, Chrome make sure WebVR flags and GameController flags are turned on in chrome://flags

Local Dev:

• Download AFrame boilerplate
• Download nGrok to allow http access to localhost

Debugging:

Use cntrl+alt+i to bring up the visual inspector

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git push heroku `git subtree split --prefix tutorbotapiservice master`:master 

(add --force if needed)

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Android:

• AI enabled copy paste, on device neural networks (TensorFlowLite)
• Picture in Picture
• Autofill API
• Vital: Improving battery life / core services
• Kotlin support
• Kotlin Foundation
• Instant apps open to all
• Android Go: Rethinking android for third world: Lighter apps, slimmer OS, data compression, api for network operators to manage usage/payments (top up)

arpit

Best way to share javascript code? Create your own npm module

• Local development
• Export multiple classes from 1 package
• Simple npm module packager + React packager for ES2015