DPS909 & OSD600 Fall 2018

Week 1

• Course introduction
  • DPS909
  • OSD600
  • How to be successful in this course

• Releases
  • 4 releases, some with multiple bugs/PRs required
  • Chance to work on real code, real projects
  • Big learning curve, lots of time required
  • Amazing chance to gain experience, network, build your skills and resume

• Discussion/Readings
  • Copyright (Copyright in Canada video)
    • IANAL
    • Who created it, "owns" it.
    • Set of exclusive rights granted to the work's creator
    • "The right to copy," to produce or reproduce a work or substantial portion thereof
    • Copyright is automatic when a work is created, you don't have to register it.
    • Copyright in Canada
    • Copyright Guide
    • In a software project, there can be many copyright holders (e.g., many contributors), or all contributors may assign their copyright to the project (e.g., CLA, which we'll cover later)
  • What is Open Source?
    • The Open Source Definition
  • Microsoft buys GitHub for 7.5 Billion - "We're all in on open source"
  • Julia Evans, "How to teach yourself hard things"

• Slack
  • https://seneca-open-source.slack.com
  • Slack, Getting Started
  • Tour the Slack app

• First open technologies and projects we'll be using:
  • node.js
  • node fs module docs
  • filer
  • mocha

Week 2

• Release 0.1 Overview
  • Due Friday Sept 28th
  • node.js
  • node fs module vs. filer
  • synchronous vs. asynchronous functions in JavaScript
  • node's callback function pattern vs. Promises

• Licenses
  • Rights, privileges, responsibilities, etc. applicable to someone other than the work's creator
  • "Terms and Conditions"
  • These must be granted by a copyright holder

• No License
  • What can you do with code you find that has no license?
  • what can I, can't I do?

• Public Domain
  • SQLite, which is now used by literally everybody, see http://www.sqlite.org/famous.html
  • Unlicense

• BSD License
  • Family of Licenses, including 2-Clause BSD, 3-Clause BSD (aka New BDS), 4-Clause BSD
  • "Why you should use a BSD style license for your Open Source Project"
  • BSD Licenses code is usually compatible with other open/closed code, when you want to mix them.
  • Example software projects licensed under the BSD License:
    • Many Google Projects, including V8, Chromium, Go
    • D3.js
    • Django
    • nginx
    • Vi
    • Facebook uses a modified version of the 3-Clause BSD they call [BSD + Patents license]. This has been controversial
      • BSD + Patent
      • PATENTS in React
      • https://code.facebook.com/posts/112130496157735/explaining-react-s-license/
  • Summary:
    • You need to retain the license and copyright notice
    • You can use it commercially or non-commercially (privately)
    • You can distribute it freely
    • You can modify it freely

• Open Source and Code Reading
  • Deep Dive on the node fs module by Safia Abdalla
  • fs.truncate()
    • node.js source for truncate
    • Search results in nodejs/node's test/* directory for JavaScript files including 'truncate'
    • Code Coverage for fs.truncate
    • Filer source for truncate
    • Filer tests for truncate

• Lab 1