Ruby on rails : Rspec installation guidance and usage - ruby-on-rails

Anyone guide me to installing rspec in ror and need to know the usage.
Give me if you know any simple links..

Look at this link. There is a good wiki and a lot of examples how to configure and user rcpec.

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best path for how to learn rails

I am new to the rails . And I want to start lernig rails.
Please help me to find currect path and also material on same
There are a plethora of resources out there that you can find by doing a simple search.
I haven't delved too deep into Ruby on Rails but the resources that have proven to be helpful for me in the past have been:
Ruby on Rails Tutorial
Codecademy - Ruby on Rails
Those should be able to give you a good start with the fundamentals.
Happy programming! :)

Dwolla account Integration with ruby on rails

can anyone please help me out here.I am new to ROR. Can anyone please tell me how to implement dwolla in ruby on rails 3.0.1. I am actually not getting any help from anywhere.
Thanks in advance...
Dwolla has a site that explains everything.
On that page, they:
have the entire API documented
outline the libraries that are available to developers
provide ruby sample code
make it easy to generate your own token

Rails 3 Authlogic Tutorial

What are some good rails 3 tutorials for implementing Authlogic? The example listed on github is quite outdated and while the Railscast example does a great job of explaining everything it is beginning to show its age.
I've heard mixed reviews about devise but after installing it, watching several railscasts on its capabilities, and going through the tutorials I've decided to stick with it.
Try devise, its a lot simpler :)

how do I write a scaffold in rails?

I want to write a rails gem that can scaffold a working prototype of the basic functionality of the gem and I was wondering if anyone can explain the process. I know this is a broad topic but I'm hoping for some pointers to tutorials or other rails docs.
Thanks!
Like most problems I try to solve with rails, there's already a great project that helps you create "starter apps" with rails. Rails Apps helps you create application templates that you can then use to generate starter apps. There are some great examples (i.e. devise + rspec + cucumber) to get you started.

Any Rails projects that allow community blogging?

I've been looking on Github for a Rails project that allows anyone to sign in and add a blog entry.
Has anyone seen something like this?
TYPO is a blogging platform that uses Ruby on Rails:
https://github.com/fdv/typo/wiki looks to have the capability for multiple authors.
The article here gives a good overview of several other RoR blogging platforms that are out there.
IMHO this is quite easy to make. Especially if you use the twitter-auth gem. Just sign-in with your twitter account, write a post and be done with it.

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