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http:// winnipegjs.com For questions tweet @ winnpegjs Michael Yagudaev - @ yagudaev Peter Braun. Intro to Node.js Winnipeg.js. Introductions. Introduce yourself Your name What you do for a living? How does Javascript fit into your life? What do you expect to get from this group?.

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http winnipegjs com for questions tweet @ winnpegjs michael yagudaev @ yagudaev peter braun
http://winnipegjs.com

For questions tweet @winnpegjs

Michael Yagudaev - @yagudaev

Peter Braun

Intro to Node.jsWinnipeg.js

introductions
Introductions
  • Introduce yourself
    • Your name
    • What you do for a living?
    • How does Javascript fit into your life?
    • What do you expect to get from this group?
about this group
About This Group
  • Javascript user group
  • Purpose:teach, learn, explore and build a strong community around javascript
  • Goal is to help each other improve by making the right connections.
  • Monthly meetups
format of meetings
Format of Meetings
  • Introduction
  • Main Talk
    • Questions during presentation
    • Twitter questions. Tweet @winnipegjs
  • Demo(s) – things you (yes as in you) are working on that are related to JS
outline
Outline
  • Intro to Node.js (Michael Yagudaev)
    • Why Node
    • When to Use it and when not to

2. Intro to Express.js (Peter Braun)

intro to node js
Intro to Node.js
  • Node.js is a set of networking libraries for Javascript.
  • Built on top of V8 – Google’s Virtual Machine for Javascript.
  • Introduced by Ryan Dhal in 2009
  • Current version is 0.89
  • Uses an async non-blocking event driven model
why is it so epic
Why is it so epic?
  • Built for highly scalable systems
  • Good for I/O bound applications
  • Allows for concurrent programming without the use of threads (threads === evil)
  • Makes developing soft real-time applications easy
  • Can take advantage of multiple cores by using the cluster module
why is it so epic continued
Why is it so epic? (continued)
  • Share code between client and server
when should i use node
When should I use Node?
  • Soft-real time applications
  • JSON APIs and NoSQL DBs
  • Socket.IO
  • Single-page application
  • Mobile App Backend
    • Great for handling large loads and real-time updating
  • Unix command-line tools
  • Streaming Data
when not to use it
When NOT to use it?
  • CPU bound/intensive applications
    • But can easily write a C module (similar to Python)
  • Simple CRUD applications
    • Rails or Django are a better choice (for now)
  • SSL Services
    • Poor performance from Crypto library being looked at 0.9.x
tool chain
Tool Chain
  • Npm – Node Package Manager, similar to gems in ruby, lets you download additional libraries for node.
  • NVM – Node Version Manager, similar to Ruby’s RVM. Helps manage versions of node.
  • node(1) – interactive command-line REPL
  • Text-editor (Sublime) – for writing code
  • IDE (WebStorm) – for heavy lift debugging
intro to express js
Intro to Express.js
  • Peter Bruan
  • Works at DMT
  • Mobile Web Application Development
suggestions
Suggestions
  • What do you think we should do?
  • What would be a good way to stay in touch even after meetups?
  • What topics would you like to see covered?
  • Feel free to tweet us your suggestions @winnipegjs
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