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Added week 2 lecture example and updated homework assignment
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‎.vscode/launch.json

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{
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"type": "node",
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"request": "launch",
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"name": "Launch Week 1",
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"program": "${workspaceFolder}/week1/src/index.js",
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"cwd": "${workspaceFolder}/week1"
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"name": "Launch Week 1 - Lecture",
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"program": "${workspaceFolder}/week1/lecture/src/index.js",
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"cwd": "${workspaceFolder}/week1/lecture"
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},
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{
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"type": "node",
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"request": "launch",
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"name": "Launch Week 2",
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"program": "${workspaceFolder}/week2/src/index.js",
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"cwd": "${workspaceFolder}/week2"
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"name": "Launch Week 2 - Lecture",
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"program": "${workspaceFolder}/week2/lecture/src/index.js",
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"cwd": "${workspaceFolder}/week2/lecture"
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},
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{
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"type": "node",
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"request": "launch",
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"name": "Launch Week 3",
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"program": "${workspaceFolder}/week3/src/index.js",
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"cwd": "${workspaceFolder}/week3"
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"name": "Launch Week 3 - Lecture",
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"program": "${workspaceFolder}/week3/lecture/src/index.js",
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"cwd": "${workspaceFolder}/week3/lecture"
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}
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]
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}

‎README.md

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| Week | Topic | Read | Homework |
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| ---: | ------------------ | --------------------------------- | ------------------------------------------- |
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| 0. | Introduction | [Week 0 Reading](week0/README.md) | None |
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| 1. | Node.js, npm, http | [Week 1 Reading](week1/README.md) | [Week 1 Homework](week1/homework/README.md) |
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| 2. | fs, process | [Week 2 Reading](week2/README.md) | [Week 2 Homework](week2/homework/README.md) |
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| 3. | express, REST | [Week 3 Reading](week3/README.md) | [Week 3 Homework](week3/homework/README.md) |
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## Watch before your first Node.js session
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- Watch Jason's playlist on [Lynda.com]
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(https://www.lynda.com/SharedPlaylist/a850f6b7bddf437f8b98679f5f9d9cc3) (45 min)
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## Promises' refresher
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Jim's [summary of promises](https://github.com/remarcmij/JavaScript/blob/master/fundamentals/promises.md)
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from JavaScript module.
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## Node.js Setup
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We're going to use the latest Node.js LTS 8.x. Follow one of the following
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instructions depending on your operating system:
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* [CentOS/Fedora/RHEL](https://github.com/nodesource/distributions#rpminstall)
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* [Debian/Ubuntu](https://github.com/nodesource/distributions#debinstall)
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* [macOS](https://nodejs.org/en/download/)
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* [Windows](https://nodejs.org/en/download/)
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## Pre-requisites
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## Handing in homework
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A Video to remind you about [how we hand in homework](https://www.youtube.com/watch?v=-o0yomUVVpU&index=2&list=PLVYDhqbgYpYUGxRdtQdYVE5Q8h3bt6SIA).
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Take a look at [this video](https://www.youtube.com/watch?v=-o0yomUVVpU)
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made by Daan, he explains how your homework needs to be handed in from now on.
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Also review the [Git workflow material](https://github.com/HackYourFuture/Git/blob/master/Lecture-3.md)
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and use it as a reference.
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## Rewatch previous lectures
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- Lecture 1 (Joost): https://www.youtube.com/watch?v=c8OvRVsbIsc

‎week0/README.md

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‎week1/README.md

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# HackYourFuture Node.js - Reading material week 1
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# HackYourFuture Node.js Week 1
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## Agenda
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3. Questions & answers (Q&A)
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4. What is Node.js?
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5. Finding documentation
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6. Setting up a Node.js project using `npm init` and `package.json`
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7. Installing dependencies using `npm install`
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6. Read-eval-print loop (REPL)
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7. Setting up a Node.js project using `npm init` and `package.json`
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8. Installing dependencies using `npm install`
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1. Local and global mode
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8. Importing modules using `require`
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9. Importing modules using `require`
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1. Built-in, external modules and local files
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9. Building an HTTP server using built-in `http` module
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10. Building an HTTP server using built-in `http` module
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1. HTTP request methods
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2. HTTP response status codes
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10. Homework
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3. Example
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11. Homework
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## What is Node.js?
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From Node.js' [website]()https://nodejs.org/en/:
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From Node.js' [website](https://nodejs.org/en/):
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> Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine.
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> Node.js uses an event-driven, non-blocking I/O model that makes it lightweight
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[Node.js Documentation](https://nodejs.org/docs/latest-v8.x/api/documentation.html)
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## Read-eval-print loop (REPL)
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[REPL](https://nodejs.org/docs/latest-v8.x/api/repl.html)
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## Setting up a Node.js project using `npm init` and `package.json`
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[`npm init`](https://docs.npmjs.com/cli/init)
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[HTTP response status codes](https://developer.mozilla.org/en-US/docs/Web/HTTP/Status)
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## Homework
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Check [README.md](homework/README.md) in `homework` subdirectory.
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## Control flow and events
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An important term when making applications is _control flow_. You already know
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Read: [Examples of control flow in JavaScript](https://github.com/ummahusla/Codecademy-Exercise-Answers/tree/master/Language%20Skills/JavaScript/Unit%2005%20Control%20Flow/01%20More%20on%20Control%20Flow%20in%20JS)
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## Homework
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Check [README.md](homework/README.md) in `homework` subdirectory.
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## Prepare for the next lecture
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[Custom made playlist :boom: Lynda.com](https://www.lynda.com/SharedPlaylist/a034fd969ef945bb9ebbd9490cc75d5a)

‎week1/homework/README.md

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# HackYourFuture Node.js - Homework week 1
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# HackYourFuture Node.js Week 1 - Homework
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# Setup
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## Setup
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Follow these instructions to set up your environment.
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## 1. Fork this repository and clone it to your hard drive
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### 1. Fork this repository and clone it to your hard drive
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Follow the general homework instructions for this.
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## 2. Install dependencies
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### 2. Install dependencies
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Change to the directory where you've cloned this repository, then to
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`week1/homework` directory and finally install dependencies using `npm`.
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npm install
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```
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## 3. Run the project from that directory
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### 3. Run the project from that directory
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```bash
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node .

‎week2/README.md

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# HackYourFuture Node.js - Reading material week 2
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## Last weeks Summary
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Last week we looked at building an HTTP interface. The interface allowed us to
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get a state, and manipulate the state (add, subtract, reset).
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# HackYourFuture Node.js Week 2
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## Agenda
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1. Recap last week
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2. Previous homework
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3. Questions & answers (Q&A)
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4. Persisting data beyond the lifetime of the app
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1. Accessing file system using build-in `fs` module
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2. Example
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5. Building a command line interface (CLI)
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6. Accessing file system with Node.js `fs` module
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7. CRUD operations, create, read, update and delete
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8. Homework
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1. Accessing command line arguments using `process.argv`
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2. Example
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6. CRUD operations, create, read, update and delete
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7. Homework
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## Reading material
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## Last week's summary
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### Node.js process
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Last week we looked at building an HTTP server. That server allowed us to get a
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state and manipulate it (add, subtract, reset).
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You don't have to remember everything in this video, just a nice outline
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[Egghead video tutorial](https://egghead.io/lessons/node-js-the-node-js-process-object)
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Only read the part about "process.argv"
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[Node.JS docs - process.argv](https://nodejs.org/docs/latest/api/process.html#process_process_argv)
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## Reading material
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### Node.js file system module `fs`
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[Main documentation](https://nodejs.org/docs/latest-v8.x/api/fs.html)
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[fs.readFile()](https://nodejs.org/docs/latest-v8.x/api/fs.html#fs_fs_readfile_path_options_callback)
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[fs.appendFile()](https://nodejs.org/docs/latest-v8.x/api/fs.html#fs_fs_appendfile_file_data_options_callback)
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### Building a command line interface (CLI)
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[Understand the Node.js process object](https://egghead.io/lessons/node-js-understand-the-node-js-process-object)
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You don't have to remember everything in this video, it's just a nice outline.
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[Node.js Process Documentation](https://nodejs.org/docs/latest-v8.x/api/process.html)
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[process.argv](https://nodejs.org/docs/latest-v8.x/api/process.html#process_process_argv)
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### CRUD
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[CRUD](https://en.wikipedia.org/wiki/Create%2C_read%2C_update_and_delete)
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### Node Fundamentals
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Read parts:
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- 3.1, 3.2
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- 4.1, 4.3
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[Airpair tutorial](https://www.airpair.com/javascript/node-js-tutorial#3-node-fundamentals)
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Read parts 3.1, 3.2, 4.1, 4.3 of [Airpair tutorial](https://www.airpair.com/javascript/node-js-tutorial#3-node-fundamentals)
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## Homework
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Check [README.md](homework/README.md) in `homework` subdirectory.
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## Prepare for the next lecture
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‎week2/homework/.eslintrc

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{
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"env": {
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"es6": true,
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"node": true
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},
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"extends": "standard",
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"rules": {
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"brace-style": [
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"warn",
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"stroustrup",
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{
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"allowSingleLine": true
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}
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],
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"curly": [
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"off"
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],
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"generator-star-spacing": [
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"warn",
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{
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"after": true,
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"before": false
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}
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],
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"key-spacing": [
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"off"
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],
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"max-len": [
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"warn",
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80
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],
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"no-multi-spaces": [
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"off"
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],
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"semi": [
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"error",
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"always"
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],
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"space-before-function-paren": [
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"warn",
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"never"
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],
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"standard/array-bracket-even-spacing": [
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"off"
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],
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"standard/object-curly-even-spacing": [
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"off"
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],
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"template-tag-spacing": [
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"off"
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]
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}
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}

‎week2/homework/.gitignore

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node_modules

‎week2/homework/README.md

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# HackYourFuture Node.js - Homework week 2
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# HackYourFuture Node.js Week 2 - Homework
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## Assignment for this week
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## Assignment
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These are the specs for this week's assignment:
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- The user can run a Node.js to-do app
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- The user must be able to run the file using `node index.js`
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- There should be a "help" section that lists all the commands for how to use
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the app
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- Write a Node.js command line application
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- The user must be able to run the file using `node index.js` or `node .` in the
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project directory
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- There must be a `help` section that lists all the commands and a short
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description for each of them
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- The user must be able to add, remove and list to-dos.
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- The user must be able to remove all to-dos at once.
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The following commands should be present:
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The following commands must be present:
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### No command or `help`
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node index.js reset
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### *BONUS:* `update`
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## Bonus assignment
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- Use JSON to store to-dos and add following commands
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- Split each action (i.e. read, write, etc.) into a separate file
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- Use [commander](https://www.npmjs.com/package/commander) library to implement
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command line interface
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### `update`
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Updates a to-do item with new text:
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```
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node index.js update 3 "Wash teeth"
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node index.js update 3 "Brush teeth"
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### Things to consider
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- What representation you use in your file (CSV, TSV, JSON, ...)
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- What representation you use in your file (CSV, TSV, JSON, etc).
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- Handle edge cases, i.e. control what happens if user enters unexpected input

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