New paradigms

784 views

Published on

Published in: Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
784
On SlideShare
0
From Embeds
0
Number of Embeds
9
Actions
Shares
0
Downloads
0
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

New paradigms

  1. 1. Hands-on NodejsIntroduction to paradigm shift. Borja A. Espejo García
  2. 2. Key points● Introduction to Nodejs● Nodejs Lab● Introduction to NoSQL technologies● Nodejs + MongoDB Lab● Introduction to Twitter Bootstrap● Nodejs + GUI using Twitter Bootstrap & Jade
  3. 3. Introduction to Nodejs (I)● Framework● Server-side software (client too)● Programs are written in Javascript● Scalability● Efficenty● Community
  4. 4. Introduction to Nodejs (II)● Events are a key point● Javascript V8 → Google Chrome● Less footprint in memory● Linkedin, Microsoft...● http://nodeknockout.com (Hackaton)● Frameworks based on Nodejs .. ¿Platform? – Meteor JS – Grunt – Yeoman – ....
  5. 5. NodejsLab● HelloWorld!!● Lets build a client – server application.... ….............in only 2 minutes, why more? (Sources and steps to build the application are in etherpad).
  6. 6. NoSQL technologies (I)● Born because of new necesities. (Big Data)● Relational databases are not a good solution in many cases.● Efficency.● Twitter, Facebook use it ….and you?● Different implementations with a common basis.
  7. 7. NoSQL technologies (II)● Document strore – MongoDB, CouchDB...● Graph – Neo4j....● Key-value store – Voldemort, Riak,..● Big Table – Cassandra, Hadoop...
  8. 8. MongoDB● Document-oriented storage. (JSON) – Document VS Row – Collection VS Table● Replication & High Avaliability● SubCollections● Querying● Map/Reduce● Dynamic schemas
  9. 9. CRUD Application● CREATE - db.collection.insert( <document> )● READ – db.collection.find( <query>, <projection> )● UPDATE – db.collection.update( <query>, <update>, <options> )● DELETE – db.collection.remove( <query>, <justOne> )
  10. 10. Nodejs + MongoDB Lab● Lets build a Music Service....in only 5 minutes!!● Rest design is a good choice!● The persistance layer is gonna be managed with MongoDB and Mongoose.● We are gonna use Internet Explorer...just joking! (Sources are steps to build the application are on etherpad)
  11. 11. Bootstrap Twitter● Framweork to speed up the web application building.● Web design toolkit, css framework, grid system.● You – Dont know css – know css but you dont know about design● Jade is a template engine.● Jade is cleaner than HTML● Jade comes by default with express framework
  12. 12. My next hands-on● Hadoop● Apache Mahout
  13. 13. Lets make knowledge!● Opinions?● Future?● Help you?
  14. 14. Links to Knowledge● http://www.couchbase.com/why-nosql/nosql-d atabase● http://en.wikipedia.org/wiki/MapReduce● http://nodejs.org● http://expressjs.com● http://www.mongodb.org● https://npmjs.org

×