Rails101 @rails101
Beginner-friendly Ruby on Rails tips, provided by Purple Workshops. rails101.com Chicago, IL Joined July 2010-
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Good, readable details about Rails: the official guides! http://bit.ly/WZZet (or for 2.3: http://bit.ly/ap5WgK)
RT @jeffcohen: Availability in Nov/Dec. Need to train your team in Ruby and/or Rails? All workshops are custom-made! http://bit.ly/cI5HjB
RT @ruby_news: PROTIP: Add Ruby/Rails/JQuery documentation into Mac OS Dictionary http://bit.ly/aXRzs1
RT @greggpollack: ...Intro to Rails tutorials are free today on Think Vitamin. Today's a great day to learn Rails: http://bit.ly/d9SI4c
Good Rails devs are good Ruby devs. 5 most important are: arrays, hashes, symbols, iterators, and blocks.
RT @greggpollack: Envy Labs is holding an Intro to Rails course (AKA Rails for Zombies) next Thursday at the Orlando Ruby: http://orug.org/
Installed Rails 3, but still need to generate a new Rails 2 app? Just do: "rails _2.3.8_ myapp" (note the underscores)
Controllers are your "first responders": they are invoked by Rails automatically when an http request comes in.
"Scaffolding" refers to the code from the "rails scaffold" generator: a RESTful controller w/routes, plus views and model definition.
Ruby symbols: on-the-fly constants, when you need a human-readable name for something. Useful for referring to methods or named options.
Use stylesheet_link_tag to easily reference your .css files located in public/stylesheets
In Ruby, "self" refers to the current object. Same as "this" in C++, C#, or Java; same as "Me" in VB.Net.
Ruby "class methods" are like Java/.NET "static methods": you don't need an instance to call them, just ClassName.method()
[announcement] Jeff is conducting a half-day Rails 101 tutorial at WindyCityRails.com this year. I hope you can join us!
@batasrki Capitalized, though some people also choose to completely uppercase constant names. So MyConstant is valid, as is MY_CONSTANT.
In Ruby, all class names are capitalized: Product, String, Hash. Constants are also always capitalized.
Ruby style: Boolean methods should use a question mark. Good style: connection.ready? Bad style: connection.is_ready
"respond_to" is used in your controllers. It lets you handle formatted requests ( html vs. xml, etc.) without duplicating your code.
Questions about Ruby or the Rails framework? Feel free to ask @rails101 and we'll try to answer them.
"erb" stands for "embedded ruby": files that are principally something else (html, etc.) with ruby code placed within <%...%> tags.
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