Node.js and express

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Short introduction about Node.js and Express

Short introduction about Node.js and Express

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  • 1. Quinta-feira, 22 de Agosto de 13
  • 2. Agenda Node.js About Benefits Installing NPM Express About Installing Express & Generate an app Jade & Stylus Quinta-feira, 22 de Agosto de 13
  • 3. about me 15 years programming experience Software Developer and MSSQL DBA @ Com- UT/Sedimap using Node.js about 3 years Quinta-feira, 22 de Agosto de 13
  • 4. NODE.JS Quinta-feira, 22 de Agosto de 13
  • 5. Node -About Node.js is a platform to build fast and scalable network applications we know this can be very painful and hard in some languages Quinta-feira, 22 de Agosto de 13
  • 6. Node -About It is built on GoogleV8 JavaScript engine, the libuv platform abstraction layer and a core library, which is itself primarily written in JavaScript. perhaps the best and faster JavaScript engine... Quinta-feira, 22 de Agosto de 13
  • 7. Node -About event-driven defined as an application technique in which the application has a main loop non-blocking I/O is a form of I/O processing that permits other processing to continue before the last transmission has finished Quinta-feira, 22 de Agosto de 13
  • 8. Quinta-feira, 22 de Agosto de 13
  • 9. Node - Benefits Small Core Multi-Platform implements some CommonJS specifications Easy to use, easy to start JavaScript on server, JavaScript on client Single thread simplifies concurrency Package Module (NPM) Community Great Modules (like underscore, async, express, request, etc...) Rapidly changing, e.g., updating in shortly time Quinta-feira, 22 de Agosto de 13
  • 10. Installing Node Go to http://nodejs.org/ Windons and Mac OS X click on “install” Linux, using package manager Gentoo, Ubuntu, Fedora, etc... Quinta-feira, 22 de Agosto de 13
  • 11. Installing Node(Cont.) Install from source code wget http://nodejs.org/dist/v0.10.x/node-v0.10.x.tar.gz tar xzf node-v0.10x.tar.gz ./configure make make test make install node --version Quinta-feira, 22 de Agosto de 13
  • 12. NPM How to find a module npm search express https://npmjs.org/ Some attentions you need to take before install a module were updated relatively recently have github repositories linked have READMEs with good documentation have at least some number of people instaling them every week are liberally licensed (feel free to use) Quinta-feira, 22 de Agosto de 13
  • 13. Installing a module Global Mode will install in /usr/local/lib/node_modules is more suited for modules that should always be available Local Mode NPM default mode “your application path”/node_modules is ideal for installing the modules your applications depends don’t affect others applications that you have installed use always this mode is more safe Quinta-feira, 22 de Agosto de 13
  • 14. Let’s Play with a TCP Server Chat Quinta-feira, 22 de Agosto de 13
  • 15. EXPRESS Quinta-feira, 22 de Agosto de 13
  • 16. About is a minimal and flexible web application framework provide a robust set of features for building single, multi-page and hybrid web applications is based on the Connect middleware and implements MVC Quinta-feira, 22 de Agosto de 13
  • 17. Installing & Generate an app sudo npm install -g express express --sessions --css stylus myapp cd myapp & npm install node app Quinta-feira, 22 de Agosto de 13
  • 18. Express - app package.json (some app settings) app.js (launch app) public/* routes/* views/* Quinta-feira, 22 de Agosto de 13
  • 19. Jade is a high performance template engine implemented with JavaScript for node Quinta-feira, 22 de Agosto de 13
  • 20. H T M L J A D E Quinta-feira, 22 de Agosto de 13
  • 21. Stylus robust, feature-rich CSS language built for node providing an efficient, dynamic and expressive way to generate CSS Quinta-feira, 22 de Agosto de 13
  • 22. CSS Stylus Quinta-feira, 22 de Agosto de 13
  • 23. Some Resources Node.JS http://nodeguide.com/ (Felix Geisendörfer) https://github.com/maxogden/art-of-node (Max Ogden) http://nodetuts.com(Pedro Teixeira) Express http://expressjs.com/ http://www.senchalabs.org/connect/ http://learnboost.github.io/stylus/ http://jade-lang.com/ Quinta-feira, 22 de Agosto de 13
  • 24. Quinta-feira, 22 de Agosto de 13