Ruby on Rails

A guide to configure your Ubuntu installation and deploy a Ruby on Rails
application. Lock down the settings to prevent unwanted access.

https://www.driftingruby.com/episodes/production-deployment-on-ubuntu

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Running into the same problem as you (trying to use ActionCable in React
Native)
So far I can't find any solution so I am going to write one myself too.
How is your attempt at it?

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On 30 May 2016 at 12:40, Palak Mehta <palak.m@bewakoof.com> wrote:
> Hi ,
> This has been a daunting task . One i type 'rails s' on my console i get no
> error .. but doesn't reflect on localhost:3000 on any of my browsers.
> Also the problem is only with my existing project , if i create a new
> project it works ..

Copy/paste the complete output from the terminal when you run rails s.

What do you see in the browser when you try to access localhost:3000 in Firefox.

Is there any output in the server terminal window when you try to
access localhost:3000?

Please answer all questions.

Colin

> i have tried everything from checking my hosts file to trying telnet .. but
> other than my existing project .. everything looks fine .
> Also no error in logs or console .. everything starts normally ..
> it can't be a localhost problem because other project works , just one
> specific doesn't ..
> I bought a new mac pro .. earlier was working on linux and it works fine on
> it ..
> Please Help.
> Palak Mehta.
>
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What I am trying to do is setup a set of joins that do the following

User has a global role such as :global_admin, :building_admin, etc

I also have Organizations, Districts, and Buildings

I would like a user to be able to be assigned a different role per
Organization, District, or Building

I have a User with a global_role and that works fine.

I can't figure out how to define the user to be part of say an
Organization with different role.

Can anyone can show me an example or point me in the right direction to
figure this out?

John

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Hi,

On Sun, May 29, 2016, at 09:36, Graham Menhennitt wrote:
> I'm trying to install rails 5. I've tried both beta4 and rc1, but both
> fail
> with the same problem - installing the turbolinks gem. There seem to be a
> number of versions of the gem on RubyGems beta1 - beta4. There also seems
> to be beta5 (but it's not listed there). But I can't install any of them.
> It seems to be trying to build from the beta2 version of the -source gem,
> but that version doesn't exist.
>

I don't know other proper way but adding turbolinks-source in the
Gemfile works.


$ cat Gemfile
source "https://rubygems.org"

gem "turbolinks", "~> 5.0.0.beta2"
gem "turbolinks-source", "~> 5.0.0.beta2"

$ bundle --path vendor/bundle
Fetching gem metadata from https://rubygems.org/.................
Fetching version metadata from https://rubygems.org/..
Resolving dependencies...
Installing turbolinks-source 5.0.0.beta5
Using bundler 1.11.2
Installing turbolinks 5.0.0.beta2
Bundle complete! 2 Gemfile dependencies, 3 gems now installed.
Bundled gems are installed into ./vendor/bundle.

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I think I found a solution: act_as_list.
Sometimes we just need persistant storage.

Thanks.

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On 27 May 2016 at 14:53, Zdravko Balorda <lists@ruby-forum.com> wrote:
> Yes. So how one can handle arrays properly?

Can you give us more information on what is in your array and for what
reason they are sorted? Someone may be able to suggest a better
solution to the problem.

Please quote the relevant parts of previous message when posting, this
is a mailing list not a forum (though you may be accessing it via a
forum-like interface) so it is not always obvious which message you
are replying to. Thanks.

Colin

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You have to add an index column and use order by. SQL as a standard does not guarantee any ordering unless you enforce it, so any implementation can return elements in the order that is most efficient.

Yes. So how one can handle arrays properly?

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Has many does not resemble an array but a set.

The way to implement arrays in ActiveRecord is via has_many.
But, normally Ruby arrays keep the order of elements, while has_many do
not.
This is not just a matter of "order by" clause.
At every update one needs to index database table rows properly, so that
"order by" would work.

Thanks in advance.

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> On May 25, 2016, at 7:59 AM, Aditya Tyagi <lists@ruby-forum.com> wrote:
>
> @praveen_k95
>
> thank you for replying.
> i know, the update action is blank. but i am trying to edit this post
> already made. therefore i am working through edit only.
> actually i am trying to follow this tutorial and he is using 1.9.3
> version of ROR, and i am working on 4, and thats creating alot of
> issues.


Wow. Really find a newer tutorial. You are going to have such a translation problem between then and now that you are only going to hurt yourself. The only reason to mess with that version of Rails is if someone dumps a lot of money on you to upgrade it (rewrite it, at that distance) to current. The http://railstutorial.org is free to use on line and one of the best-written tutorials on any subject I have ever seen. It covers Rails 4.2, which is the current (soon to be less so with 5 coming out). I can't find a reference to Rails 1.9.3 (maybe you mean Ruby?), but if that's really the version, that's from 2007 or so. A lot has changed.

Walter

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> On May 25, 2016, at 6:28 AM, Saurav Kothari <sauravkothari2@gmail.com> wrote:
>
> I wrote a fairly lengthy post a few minutes ago in the hope of getting some help. But after it was posted I cannot see it in the list of topics in the group. Search results show nothing. Where did it disappear?
>
> Subject line was 'Check if input string conforms with DB collation' and was a question I have already asked on SO with no satisfactory answer.
>
> Regards,
> Saurav Kothari

It's there. Remember, this is a mailing list, not a forum, even if you approach it through a forum-like interface on the Web. E-mail is weird. Full stop. Mailing lists are even more weird. You may think it is synchronous, but it is not, and any cases that appear synchronous (even if they are the majority) are coincidence.

Walter

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I second this.  Sidekiq (especially version 4) is amazing.  Clockwork is great too for scheduling recurring jobs.  There was a sidetiq which would schedule sidekiq jobs however it is not actively being developed and lacks sidekiq 3.5.1 and 4.0 support.  You have to use a version that's back ported with Celluloid 0.17.1 (I think that's the version number).  I'd stay away from sidetiq and focus on clockwork and sidekiq itself.

I am an experienced full-stack web developer. My best project can be
seen live [here](http://www.awesomeweb.com) - here is the
[story](http://www.incomediary.com/awesomeweb-story) back then.

I solo developed complete websites in the past.

You can find more about me on my blog at the
[about](http://www.stefanosioannou.com/about) section. Make sure to
check my
[bio](http://www.stefanosioannou.com/wp-content/uploads/2016/05/StefanosIoannouCV-May2016.pdf)
and
[skill-set](http://www.stefanosioannou.com/wp-content/uploads/2014/11/SkillsetTraining-StefanosIoannou.pdf)
spreadsheet.

My normal hourly rate is $30/hour and I can drop it as much as $25/hour
depending on the project's nature. My rate is low as where I live the
wage is lower than US, Canada and UK. This doesn't mean professionalism
and quality are compromised.

Feel free to contact Nicholas Tart, my colleague at AwesomeWeb that will
surely have lots to say about me. He is very friendly and approachable.

Feel free to contact me through the contact page of my blog, on my email
or phone (can be found in my CV) or at Skype (ID is stefioan).

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Most popular gem: https://github.com/mperham/sidekiq 

Hi guys,

I have a select tag in which I need to display schedule values.
Basically I need to do something like this:
<%= form.association :schedule, collection: @schedules %>

The problem I'm having is that the select value needs to be customized.
I need it to display the value "schedule.court.name - schedule.date
schedule.start_time-schedule.end_time"

How can I customize the value of the select tag?

Regards

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Hi honey jadala,

Actually I need implement the same using Java. If i get idea how to
collect punch-in from device, then rest i can build.

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You mentioned in this forum that you have small app which will collect
the punch-in from device and will push to the server.

Could please let me know how to collect the punch-in to build that small
app?

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I'm building a web site. There will be users and admins. Users will have
their own authentication panel and admins must have absolutely different
authentication entry point and administrative panel. I know how to build
a Rails app with one authentication entry point, but how to make an
application with different authentication entry points e.g. /users/login
& /admin/login? Both panels are not connected with each other and have
absolutely different logic.

Thank you for your answers in advance.

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@praveen_k95

thank you for replying.
i know, the update action is blank. but i am trying to edit this post
already made. therefore i am working through edit only.
actually i am trying to follow this tutorial and he is using 1.9.3
version of ROR, and i am working on 4, and thats creating alot of
issues.

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On Wed, May 25, 2016 at 7:40 AM, Aditya Tyagi wrote:

> i am getting the missing template error when i try to update my post.
>
> Missing template posts/update, application/update
...
> POST_CONTROLLER.RB
>
> class PostsController < ApplicationController
...
> def update
>
> end

Once you have typical code in the controller to handle updates, you'll
no longer have this problem. A typical update action redirects to
show on success, and renders the edit template on failure. Either
one, though, is *explicit*. As several posters here regularly say, I
recommend you work your way straight through a good tutorial, such as
https://www.railstutorial.org/.

-Dave

--
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PullRequestRoulette.com, Blog.Codosaur.us, and Dare2XL.com.

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i am getting the missing template error when i try to update my post.

Missing template posts/update, application/update with {:locale=>[:en],
:formats=>[:html], :variants=>[], :handlers=>[:erb, :builder, :raw,
:ruby, :coffee, :jbuilder]}. Searched in: *
"c:/Sites/myrubyblog/app/views"

EDIT.HTML.ERB

<h1>Edit Post</h1>


<%= form_for @post do |f| %>
<p>
<%= f.label :title %><br />
<%= f.text_field :title %><br />
</p>
<p>
<%= f.label :body %><br />
<%= f.text_area :body %><br />
</p>
<p>
<%= f.select :category_id, Category.all.collect {|x| [x.name,
x.id]}, {:include_blank => "Select One"} %><br />
</p>
<p>
<%= f.submit "Update Post" %><br />
</p>

<% end %>
<% link_to "Go Back",post_path %>
--------------------------------------------------------------

POST_CONTROLLER.RB

class PostsController < ApplicationController
def index
@posts = Post.all
end

def show
@post = Post.find(params[:id])
end

def new
@post = Post.new
@category = Category.all
end

def create
@post = Post.new(post_params)
if @post.save
redirect_to posts_path, :notice => "Your post has been saved"
else
render "new"
end
end

def post_params

params.require(:post).permit(:category_id, :title, :body)

end

def edit
@post = Post.find(params[:id])
end

def update

end

def destroy

end

end

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I am getting the current error in js console,
TypeError: network_details[network_index] is undefined
help?

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my SO Link
http://stackoverflow.com/questions/37416737/change-label-based-on-selected-dropdown-ruby-on-rails-4-2

I have a table called network it has the column type and number.

I use this select_tag to get a list of all my network names:

<%= select_tag('NetworksList',
options_from_collection_for_select(Network.all, :id, :name))%>

I also have 2 label fields that I want to populate with information
dynamically:

<p>Network Type: <%= content_tag('span', "", id: 'NetworkType') %></p>
<p>Network Number: <%= content_tag('span', "", id: 'NetworkNumber')
%></p>

When the user selects a network from the dropdown list of network names,
I want to show the selected item's type and number in the fields named
NetworkType and NetworkNumber. I would like this to render in the view
immediately after the user selects a dropdown. How would I do this?

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On 23 May 2016 10:05 p.m., "saurabh verma" <saurabh.vrm@gmail.com> wrote:
>
> Hey Guys,
>    I am running a service which has one controller action. I am connected to external db. For any db query, I am getting slow response. Looks like execution time is ok, but still there is some other delay which I am not able to figure out. When I am running this endpoint I am getting the following rails logging statement. I can understand active_record time, but don't know the remaining response time. I also tried to get the time spend for the method function1(mentioned in the below code), which is exactly same as total time(3561 ms)
>
> Completed 200 OK in 3561.5ms (Views: 0.3ms | ActiveRecord: 644.8ms)
>
>
>
> Here is my code
>
> class MyModel < ActiveRecord::Base
>
>    if Rails.env != 'test'
>      establish_connection("#{Rails.env}")
>    end
>   
>   class << self  
>     def function1
>       self.first
>     end
>   end
> end
>
> database.yml
>
> development:
>   adapter: 'sqlserver'
>   mode: 'dblib'
>   host: 'MyHost'
>   username: 'username'
>   password: 'secret'
>   database: 'MyDB'
>   pool: 1
>

Write a simple shell script to connect and run a query and see how long that takes. That will tell you if it is an issue connecting to the remote db

Colin

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