Newbsylberry posted:

MailChimp looks like a good way to go! Thanks for the help.

On to the next issue, I am using devise and assigning a role to the user immediately when they sign up. I want to have a select_tag that gives the two role options 'student' and 'professional' since those are the only two roles I want people to be able to give themselves. Unfortunately devise tells me:


NoMethodError in Devise::Registrations#new

undefined method `select_tag' for #<ActionView::Helpers::FormBuilder:0x007fbbd415e608>

Here's the part of the code from the viewer that is giving me trouble:

code:

  <div><%= f.label :role %><br />
    <%= f.select_tag(:role, options_for_select('professional', 'student'))  %>
  </div>
  <br />

The Journey Fraternity posted:

select_tag is its own standalone helper method- it isn't called on a form object. Drop the 'f.'

kayakyakr posted:

or drop the _tag:

code:

<%= f.select :role, ['professional', 'student'] %>

Newbsylberry posted:

So I'm looking to host a rails4 app, and I'm not really sure what my options are. I am using heroku right now, but it's expensive and I want to use ec2, or elastic beanstalk instead. I followed the steps in this post http://stackoverflow.com/questions/15535140/installing-ruby-2-0-and-rails-4-0-0beta-on-aws-ec2 , and installed ruby and rails on an ec2 instance. I guess I'm not really sure what the next steps are, I think I have to use passenger, and/or nginx? I am having a hard time just figuring out where to start.

kayakyakr posted:

I would suggest learning capistrano, nginx, unicorn or thin or puma, and rvm or rbenv or whatever your preference is.

Newbsylberry posted:

Awesome, do you have a specific recommendation for one? Or is it just a preference? I use rvm now, so I'm familiar with it.

Edit - Actually I see I'll need to use a combination of them

Dangerllama posted:

It's probably both. The newness of your account is a key marker for spam, as is the low volume. You should look at going through mailchimp, sendgrid, or similar. Also make sure you've setup DKIM, SPF, etc.

kayakyakr posted:

Newbsylberry posted:

Kayakyakr helped point me in the right direction with this: https://coderwall.com/p/yz8cha tutorial.

kayakyakr posted:

Do you have a site in sites-enabled? Is it listening to port 80? Is port 80 open in the firewall?

kayakyakr posted:

I would go ahead and have your server listen to all:

server_name _;

This will answer all requests which is what you want since you're not going to be hosting any other sites on there.

And that's not your nginx.conf file, right? that should be a file in sites-available named futureoungpros that's symlinked into the sites-enabled directory?

Smol posted:

I haven't seen any libraries instance_evaling a block in a while. What library is doing that evil trick? It used to be somewhat popular in the past, but I guess most people realized that it's just a bad idea.

Jam2 posted:

Have you seen any examples of rails applications that are cleanly decomposed and don't seem like spaghetti balls of strongly-connected models?

Jam2 posted:

It's never pretty and it's often not the way I would model the system if I didn't have to map it to a database schema. Things would often look very different if objects weren't mapped to a schema.

Molten Llama posted:

Data you want to persist is mapped to a database schema, not particularly differently from any other serialization strategy. Though whole objects worth of data are frequently persisted, you don't have to persist all or even any of an object's data.

I'm not trying to be an rear end—this is a conceptual issue I frequently encounter in the wild—but you do realize model classes are just Ruby classes, right? They can (and frequently should) do more than be a thin veneer over ActiveRecord/Mongoid/DataMapper/whatever. Rails doesn't care what else you make that class do. ActiveModel and the mappers implementing it don't care what that class does. Rails doesn't even care if models use a particular mapper (or any mapper) or are persisted at all; if it's in the models directory and it's Ruby code, it's loaded.

Notably, Rails 4 natively autoloads service object classes from a services directory. The modern Rails Way is decomposition and coupling as loose as you can get it.

Molten Llama posted:

Notably, Rails 4 natively autoloads service object classes from a services directory. The modern Rails Way is decomposition and coupling as loose as you can get it.

Peristalsis posted:

We have a shiny new RoR app with a web interface and a webserivce API for backend access. I want to adapt an old Ruby script (no Rails) to use that API, but it'll be a lot easier if I can use some of the model classes from the web app to do some parsing and processing.

This is a completely different app, running in a different directory (probably even on a different server). Is there a good way to import some of my ActiveRecord models from the Rails app to use in plain Ruby? I really don't want to re-write all the necessary logic.

KoRMaK posted:

In Ruby, I have a ASCII-8bit stream that contains a xls workbook. I want to open the workbook via the Workbook gem, but it requires a file. Is there a way I can read the stream into a file object without actually writing it to disk? This link seems close to what I am trying http://stackoverflow.com/questions/5931263/memory-streams-in-ruby

e: I tried it and it almost works. The Workbook gem tries to do a rewind on it, and I get an "Illegal Seek" error.

https://github.com/zdavatz/spreadsheet/blob/master/lib/spreadsheet/excel/reader.rb#L1198

Jam2 posted:

Thanks for the great reply. Do you recommend any resources for learning how experienced rails users model their backends to achieve what you describe?

Or is it simply trial and error and experience?

Soup in a Bag posted:

If you want to read the entire stream in and then use it as if it were a file, check out StringIO. It responds to #rewind and all the other File/IO-ish methods.

quote:

Text file busy - (/media/sf_clunker/tmp/cache/sass/1764c37ed8cf48e1638694abf11caad17c086877/gritter.css.scssc20131110-2125-a7ip2g, /media/sf_clunker/tmp/cache/sass/1764c37ed8cf48e1638694abf11caad17c086877/gritter.css.scssc)

prom candy posted:

You want to read the book Objects on Rails, which is free online. You also probably want to watch some of the Destroy All Software screencasts, which are not free but are worth the money. Russ Olsen's book "Design Patterns in Ruby" is also a good read.

"Skinny controller fat model" was a really popular concept a few years ago and really set Rails back a bit since everyone would just jam everything into the model. I inherited a project that has a 1000-line model. My opinion is that if it's not directly related to getting and storing objects in the database it belongs elsewhere.