[Rails] Re: Improving Rails Coding Quality

Ruby on Rails Wednesday, December 31, 2014


You can give a try to rubocop. https://github.com/bbatsov/rubocop


W dniu środa, 31 grudnia 2014 16:45:57 UTC+1 użytkownik Mehmet Cetin napisał:
Hello guys,

I have been coding rails apps for the last 12 months. I realised that when I skim the code of experienced RoR developers or Ruby Gems in Github, my coding style and way of thinking is being affected positively. I just want to improve my skills and write better, more clean code in Ruby & RoR. Can you tell me some well-written (according to you ofc), recently developed gems or repos you remember which I can skim over. 

Have a nice year btw!

Thanks,

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Posted by Ruby on Rails at 10:10 AM 0 comments

Re: [Rails] Improving Rails Coding Quality

Ruby on Rails


take a look at the devise code. 


On Dec 31, 2014, at 10:45 AM, Mehmet Cetin <mcetin.cm@gmail.com> wrote:

Hello guys,

I have been coding rails apps for the last 12 months. I realised that when I skim the code of experienced RoR developers or Ruby Gems in Github, my coding style and way of thinking is being affected positively. I just want to improve my skills and write better, more clean code in Ruby & RoR. Can you tell me some well-written (according to you ofc), recently developed gems or repos you remember which I can skim over. 

Have a nice year btw!

Thanks,

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Posted by Ruby on Rails at 8:46 AM 0 comments

[Rails] Re: energy usage web app

Ruby on Rails

Sorry correct link is here http://guides.rubyonrails.org/getting_started.html


On Wednesday, December 31, 2014 5:53:46 PM UTC+2, Mehmet Cetin wrote:
This document (getting started RoR) has many answers to your possible questions. It is best to start with http://guides.rubyonrails.org/testing.html and railscasts.com - a little outdated but has many great examples there.
Start with those, rest will follow ;)

On Friday, December 26, 2014 2:50:31 PM UTC+2, Prabu Rangki wrote:
Hi all, need some advise.

I'm still new on RoR, I'm about to create a Web app that monitors energy consumption such as, electricity, water and waste.

User can input the datas manually and later on they can view the usages in a day, week, year and by selecting particular dates.

Where should I start and what part should I start. I'm still stuck on designing the database. But I already play around with chartkick a little bit.

Thx

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Posted by Ruby on Rails at 8:19 AM 0 comments

[Rails] Re: energy usage web app

Ruby on Rails

This document (getting started RoR) has many answers to your possible questions. It is best to start with http://guides.rubyonrails.org/testing.html and railscasts.com - a little outdated but has many great examples there.
Start with those, rest will follow ;)

On Friday, December 26, 2014 2:50:31 PM UTC+2, Prabu Rangki wrote:
Hi all, need some advise.

I'm still new on RoR, I'm about to create a Web app that monitors energy consumption such as, electricity, water and waste.

User can input the datas manually and later on they can view the usages in a day, week, year and by selecting particular dates.

Where should I start and what part should I start. I'm still stuck on designing the database. But I already play around with chartkick a little bit.

Thx

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Posted by Ruby on Rails at 7:53 AM 0 comments

[Rails] Improving Rails Coding Quality

Ruby on Rails

Hello guys,

I have been coding rails apps for the last 12 months. I realised that when I skim the code of experienced RoR developers or Ruby Gems in Github, my coding style and way of thinking is being affected positively. I just want to improve my skills and write better, more clean code in Ruby & RoR. Can you tell me some well-written (according to you ofc), recently developed gems or repos you remember which I can skim over. 

Have a nice year btw!

Thanks,

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Posted by Ruby on Rails at 7:45 AM 0 comments

[Rails] Re: Rails Arel unit test error

Ruby on Rails

Problem solved: it's because the columns sociable_id and sociable_type
weren't defined in the schema.

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Posted by Ruby on Rails at 6:52 AM 0 comments

[Rails] Rails 2.2.3 secure/http_only session cookie

Ruby on Rails Tuesday, December 30, 2014

I'm way behind the times.

I've finally got the go ahead from corporate to start an upgrade of
our ROR application from 1.2.6.

I'm first upgrading to Rails 2.2.3 which has not been too bad but I
have a question around http_only and secure session cookie using
:active_record_store.

I understand that :session_http_only by default is set to TRUE but it
appears to be ignored while :session_secure is FALSE.

I'm using this at the bottom of environment.rb to turn on the secure
flag.
ActionController::Base.session_options[:session_secure] = true

When secure is turned off (FALSE) I CAN access the session cookie via
javascript in the browser.
When secure is turned on (TRUE) I CANNOT access the session cookie via
javascript.

This does not apply to other cookies - just the session cookie.

<P>Was this a known issue?

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Posted by Ruby on Rails at 1:45 PM 0 comments

[Rails] Re: Has anyone heard of this Ruby project?

Ruby on Rails

Well, I tried on my Unix box running Ruby 2.1.1 and 1.9.3 through RVM
and I woke on both platforms. I also ran the specs provided with the
gem after I copied them to a woking folder and I got no errors. But of
course we have to wonder, what is the nature of this project?

Anyone care to comment on their experience?

Star

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Posted by Ruby on Rails at 12:48 PM 0 comments

Re: [Rails] Scaffold to existing SQL Server database

Ruby on Rails

On Mon, Dec 29, 2014 at 3:38 AM, Nelson André <lists@ruby-forum.com> wrote:

> Is RoR suited to pickup the existing database and data and just build
> the CRUD logic and web layout on top of it?

You have several challenges here:

1) being new to Rails
2) using a db that probably doesn't conform to Rails conventions
3) running on Windows

Any one of those can be overcome, but all three together are a steep
hill to climb :-)

Why not just try a simple PoC implementation? All you have to lose
is a couple of hours of time.

Alternatively, have someone experienced evaluate the specifics of
your situation and make an informed recommendation.

Good luck!
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http://about.me/hassanschroeder
twitter: @hassan

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Posted by Ruby on Rails at 9:59 AM 0 comments

Re: [Rails] incompatible character encodings: UTF-8 and ASCII-8BIT

Ruby on Rails

On Tue, Dec 30, 2014 at 3:50 AM, Diego Dillenburg Bueno
<diegodillenburg@gmail.com> wrote:
>
> And also I'm using a mysql database, with the mysql gem, and I have seen some records like:
> <City id: 5560, name: "Xambio\xC3\xA1", capital: false, state_id: 27,..>

You need to make sure your database (or at least the tables you're
using for your app) is set up with the appropriate "character set" and
"collation" for the language(s) you're using.

google: mysql collation portugues brasil

for some specific references; also read the MySQL docs for the DB
version you're running, e.g.

http://dev.mysql.com/doc/refman/5.5/en/charset-charsets.html

HTH,
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twitter: @hassan

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Posted by Ruby on Rails at 9:22 AM 0 comments

Re: [Rails] Update Array in rails view form

Ruby on Rails

On Tue, Dec 30, 2014 at 2:52 AM, Vlad Panainte <vlad.panainte@gmail.com> wrote:

> def foo_params
> params.require(:foo).permit(:value,:rvalue)
> end
>
> where rvalue is an array. I've tried :rvalue=>[] but no luck

> <%= builder.text_field "rvalue" , class: "uk-width-1-1" %>

? Your "rvalue" param is going to be a string.

I don't understand why you expect it to be an array.

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Posted by Ruby on Rails at 8:57 AM 0 comments

Re: [Rails] Rendering unique cached page per user in Fragment Caching

Ruby on Rails

On 30 December 2014 at 13:33, Ankur Kumar <specialankur@gmail.com> wrote:
>
> Thanks Colin for your reply. Can you please let me know how can user_id be
> included in caching key string? I have following implementation of caching
> as of now.
>
> app/views/employee/index.html.erb
>
> <% cache "employee_list "do %>

Something like
cache "employee_list #{current_user.id}" do
so the user id is included in cache key. Similarly for expire.

Colin

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Posted by Ruby on Rails at 7:32 AM 0 comments

Re: [Rails] Rendering unique cached page per user in Fragment Caching

Ruby on Rails


Thanks Colin for your reply. Can you please let me know how can user_id be included in caching key string? I have following implementation of caching as of now.

app/views/employee/index.html.erb

<% cache "employee_list "do %>
  List of all employees:
  <% Employee.all.each do |e| %>
    <%= link_to e.name, employee_url(e) %>
  <% end %>
<% end %>

app/sweepers/employee_sweeper.rb

class EmployeeSweeper < ActionController::Caching::Sweeper
  observe Employee
  def sweep(employee)
   expire_fragment("employee_list")
 end
alias_method :after_create, :sweep
  alias_method :after_update, :sweep
  alias_method :after_destroy,:sweep
end

Devise "current_user" is accessible in all the above files.

--
Regards,
Ankur

On Tue, Dec 23, 2014 at 7:19 PM, Colin Law <clanlaw@gmail.com> wrote:
On 23 December 2014 at 13:42, Ankur Kumar <specialankur@gmail.com> wrote:
>
> Hi,
>
> My app has devise authentication for every user. I integrated fragment
> caching for one of my views which is accessible only on sign-in.
>
> The cached page saved by one user is accessible by another user. How can I
> implement a unique key based caching so that cached pages are unique for
> every user?

Include the user id in the key string.

Colin

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Posted by Ruby on Rails at 5:33 AM 0 comments

[Rails] Re: Update Array in rails view form

Ruby on Rails



On Tuesday, December 30, 2014 10:52:18 AM UTC, Vlad Panainte wrote:
Hi guys,

I need some help with updating an array using rails view form .

In controller 

def foo_params
    params.require(:foo).permit(:value,:rvalue)
  end

where rvalue is an array. I've tried :rvalue=>[] but no luck


What's the problem? Is strong parameters not permitting the value or something else?

Fred

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Posted by Ruby on Rails at 4:37 AM 0 comments

[Rails] incompatible character encodings: UTF-8 and ASCII-8BIT

Ruby on Rails

Hello you all, hope you're all having some nice holidays! :p

Here is the deal with me: incompatible character encodings: UTF-8 and ASCII-8BIT
I used a seed (https://github.com/celsodantas/br_populate) to populate my DB with cities and states of my country, so I can fill a select box for registering, but when I try to exhibit it I get this error:

incompatible character encodings: UTF-8 and ASCII-8BIT

this is one of my select_boxes:
<%= f.collection_select(:birth_state, State.all, :id, :name, {:prompt => "State"}, {:class=> 'form-control'}) %>

And also I'm using a mysql database, with the mysql gem, and I have seen some records like:
<City id: 5560, name: "Xambio\xC3\xA1", capital: false, state_id: 27,..>

Making me think it's a problem cause of special portuguese characters like ç, á, à, ã... I have heard also that mysql/rails doesn't convert automatically the encodings or something like that, but honestly I have no clue on how doing that. If anyone got a clue, happy to hear it.

Thank you all in advance!
Happy holidays,


Diego Dillenburg Bueno
Graduando em Ciências da Computação
UNESP - Rio Claro
(12) 98116-7741

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Posted by Ruby on Rails at 3:50 AM 0 comments

[Rails] Update Array in rails view form

Ruby on Rails

Hi guys,

I need some help with updating an array using rails view form .

In controller 

def foo_params
    params.require(:foo).permit(:value,:rvalue)
  end

where rvalue is an array. I've tried :rvalue=>[] but no luck


In form I have 
 <%= form_for :foo, url: foo_path(@foo.foo_value, @foo), method: :put, html: {class: 'uk-form'} do |builder| %>
.....
<%= builder.label "rvalue", "Value" %>
<%= builder.text_field "rvalue" , class: "uk-width-1-1" %>

Can you please help?

Thanks

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Posted by Ruby on Rails at 2:52 AM 0 comments

[Rails] New Gem for IRCTC (Indian Railway)

Ruby on Rails

Hello everyone,

Here am releasing new gem called rails-rail-in to know about Indian Railway information like Train list with code, Stations name, PNR Status, Fare, Seat availability and more.

Thanks!
Saravanan P

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Posted by Ruby on Rails at 1:17 AM 0 comments

[Rails] Re: Multiple Databases w/ RoR 4.2

Ruby on Rails Monday, December 29, 2014

If you want to have separate models for MySQL and Neo4j, look into the
Neo4j gem, https://github.com/neo4jrb/neo4j. It provides
ActiveRecord-like modules that let you build Neo4j models and work with
the database easily. It has a great community and development on the gem
is very active.

If you want to make it easy for ActiveRecord models to pull from Neo4j,
you can look into writing methods in your AR models that pull from Neo
using Neo4j-core, https://github.com/neo4jrb/neo4j-core. It requires a
lot more knowledge of the database, though, it's really just an API
wrapper with some helper methods to make certain basic tasks easier.

You can post on StackOverflow, open issues, or email any of the
maintainers if you need a hand.

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Posted by Ruby on Rails at 10:35 PM 0 comments

[Rails] Ruby on Rails certification

Ruby on Rails

Hello Friend I want to do certification courser on ruby on rails so can anyone help me 

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Posted by Ruby on Rails at 9:33 PM 0 comments

Re: [Rails] Ruby code Injectors: Closures as Modules: Jackbox

Ruby on Rails

I believe that's called "free as in beer" not "free as in speech"

Scott is absolutely correct — in Galoob v Nintendo (1992) the supreme court established that users have a right to modify copyrighted works for their own use (but not necessarily re-distribtue them).

This software appears to have no license, which means the author (Mr. Henry) is indeed allowed to seek copyright protection. As I said above, copyright protection does not mean that it is against the law to de-compile the source.

I would advise Mr. Henry to seek the advice of a IP lawyer if he wants to properly protect his software. As well, it's probably a good idea to include a license.

As a programmer, I would never put an executable I couldn't see the source of into my app.
-Jason



> On Dec 29, 2014, at 4:02 PM, Scott Ribe <scott_ribe@elevated-dev.com> wrote:
>
> On Dec 29, 2014, at 12:44 PM, Lou Henry <lists@ruby-forum.com> wrote:
>>
>> If you feel the need to decompile the code even though
>> WHAT is contained in it is not worth the trouble you are hereby formally
>> instructed to: Cease and Desist.
>
> Bullshit.
>
>> Jackbox and the code in it are
>> copyrighted.
>
> You seem to be a bit unclear on what exactly that means...
>
> --
> Scott Ribe
> scott_ribe@elevated-dev.com
> http://www.elevated-dev.com/
> (303) 722-0567 voice
>
>
>
>
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Posted by Ruby on Rails at 1:38 PM 0 comments

[Rails] Re: how to remove (and resuse) all existing constraints from ActiveRecord::Relation

Ruby on Rails

Sounds like you are looking for 


 some_scope.unscope(:where) 

This doesn't appear to return the existing constraints for me to re-use them.

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Posted by Ruby on Rails at 1:04 PM 0 comments

Re: [Rails] Ruby code Injectors: Closures as Modules: Jackbox

Ruby on Rails

On Dec 29, 2014, at 12:44 PM, Lou Henry <lists@ruby-forum.com> wrote:
>
> If you feel the need to decompile the code even though
> WHAT is contained in it is not worth the trouble you are hereby formally
> instructed to: Cease and Desist.

Bullshit.

> Jackbox and the code in it are
> copyrighted.

You seem to be a bit unclear on what exactly that means...

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scott_ribe@elevated-dev.com
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(303) 722-0567 voice




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Posted by Ruby on Rails at 1:02 PM 0 comments

[Rails] An error occurred while installing ruby-oci8 (2.1.7)

Ruby on Rails

Hi ,

I am getting into the below error while running bundle from bamboo
server.



Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native
extension.
build 29-Dec-2014 15:13:05
build 29-Dec-2014 15:13:05 /usr/local/bin/ruby extconf.rb
build 29-Dec-2014 15:13:05 checking for load library path...
build 29-Dec-2014 15:13:05 LD_LIBRARY_PATH...
build 29-Dec-2014 15:13:05 checking
/usr/java/jdk1.6.0_30/jre/lib/amd64/server... no
build 29-Dec-2014 15:13:05 checking
/usr/java/jdk1.6.0_30/jre/lib/amd64... no
build 29-Dec-2014 15:13:05 checking
/usr/java/jdk1.6.0_30/jre/../lib/amd64... no
build 29-Dec-2014 15:13:05 checking ld.so.conf... no
build 29-Dec-2014 15:13:05 checking for cc... ok
build 29-Dec-2014 15:13:05 checking for gcc... yes
build 29-Dec-2014 15:13:05 checking for LP64... yes
build 29-Dec-2014 15:13:05 checking for sys/types.h... yes
build 29-Dec-2014 15:13:05 checking for ruby header... ok
build 29-Dec-2014 15:13:05 *** extconf.rb failed ***
build 29-Dec-2014 15:13:05 Could not create Makefile due to some
reason, probably lack of necessary
build 29-Dec-2014 15:13:05 libraries and/or headers. Check the
mkmf.log file for more details. You may
build 29-Dec-2014 15:13:05 need configuration options.
build 29-Dec-2014 15:13:05
build 29-Dec-2014 15:13:05 Provided configuration options:
build 29-Dec-2014 15:13:05 --with-opt-dir
build 29-Dec-2014 15:13:05 --without-opt-dir
build 29-Dec-2014 15:13:05 --with-opt-include
build 29-Dec-2014 15:13:05 --without-opt-include=${opt-dir}/include
build 29-Dec-2014 15:13:05 --with-opt-lib
build 29-Dec-2014 15:13:05 --without-opt-lib=${opt-dir}/lib
build 29-Dec-2014 15:13:05 --with-make-prog
build 29-Dec-2014 15:13:05 --without-make-prog
build 29-Dec-2014 15:13:05 --srcdir=.
build 29-Dec-2014 15:13:05 --curdir
build 29-Dec-2014 15:13:05 --ruby=/usr/local/bin/ruby
build 29-Dec-2014 15:13:05 --with-instant-client
build 29-Dec-2014 15:13:05 --without-instant-client
build 29-Dec-2014 15:13:05
/usr/local/lib/ruby/gems/2.0.0/gems/ruby-oci8-2.1.7/ext/oci8/oraconf.rb:891:in
`get_home': RuntimeError (RuntimeError)
build 29-Dec-2014 15:13:05 from
/usr/local/lib/ruby/gems/2.0.0/gems/ruby-oci8-2.1.7/ext/oci8/oraconf.rb:707:in
`initialize'
build 29-Dec-2014 15:13:05 from
/usr/local/lib/ruby/gems/2.0.0/gems/ruby-oci8-2.1.7/ext/oci8/oraconf.rb:320:in
`new'
build 29-Dec-2014 15:13:05 from
/usr/local/lib/ruby/gems/2.0.0/gems/ruby-oci8-2.1.7/ext/oci8/oraconf.rb:320:in
`get'
build 29-Dec-2014 15:13:05 from extconf.rb:18:in `<main>'
build 29-Dec-2014 15:13:05
---------------------------------------------------
build 29-Dec-2014 15:13:05 Error Message:
build 29-Dec-2014 15:13:05 Set the environment variable ORACLE_HOME
if Oracle Full Client.
build 29-Dec-2014 15:13:05 Append the path of Oracle client
libraries to LD_LIBRARY_PATH if Oracle Instant Client.
build 29-Dec-2014 15:13:05
build 29-Dec-2014 15:13:05 Backtrace:
build 29-Dec-2014 15:13:05
/usr/local/lib/ruby/gems/2.0.0/gems/ruby-oci8-2.1.7/ext/oci8/oraconf.rb:891:in
`get_home'
build 29-Dec-2014 15:13:05
/usr/local/lib/ruby/gems/2.0.0/gems/ruby-oci8-2.1.7/ext/oci8/oraconf.rb:707:in
`initialize'
build 29-Dec-2014 15:13:05
/usr/local/lib/ruby/gems/2.0.0/gems/ruby-oci8-2.1.7/ext/oci8/oraconf.rb:320:in
`new'
build 29-Dec-2014 15:13:05
/usr/local/lib/ruby/gems/2.0.0/gems/ruby-oci8-2.1.7/ext/oci8/oraconf.rb:320:in
`get'
build 29-Dec-2014 15:13:05 extconf.rb:18:in `<main>'
build 29-Dec-2014 15:13:05
---------------------------------------------------
build 29-Dec-2014 15:13:05 See:
build 29-Dec-2014 15:13:05 *
http://rubydoc.info/gems/ruby-oci8/file/docs/install-full-client.md for
Oracle full client
build 29-Dec-2014 15:13:05 *
http://rubydoc.info/gems/ruby-oci8/file/docs/install-instant-client.md
for Oracle instant client
build 29-Dec-2014 15:13:05 *
http://ruby-oci8.rubyforge.org/en/file.report-installation-issue.html to
report an issue.
build 29-Dec-2014 15:13:05
build 29-Dec-2014 15:13:05
build 29-Dec-2014 15:13:05
build 29-Dec-2014 15:13:05 Gem files will remain installed in
/usr/local/lib/ruby/gems/2.0.0/gems/ruby-oci8-2.1.7 for inspection.
build 29-Dec-2014 15:13:05 Results logged to
/usr/local/lib/ruby/gems/2.0.0/gems/ruby-oci8-2.1.7/ext/oci8/gem_make.out
build 29-Dec-2014 15:13:05 An error occurred while installing
ruby-oci8 (2.1.7), and Bundler cannot
build 29-Dec-2014 15:13:05 continue.

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Posted by Ruby on Rails at 12:26 PM 0 comments

[Rails] Re: Ruby code Injectors: Closures as Modules: Jackbox

Ruby on Rails

ANNOUNCING a new release of Jackbox.

Jackbox toys with the ideas of closures as modules. In it you'll find a
series of new takes on ruby that are sure to spike you interest. With
it we have come up with a solution to the decorators handicap in ruby
and introduced some new constructs for code injection.

Please feel free to use it free of charge and to send us your comments
or inquiries. Available from RubyGems.org for Linux, Mac, and Windows.
Just run: gem install jackbox.

More info here: https://github.com/LouHenryAlvarez/jackbox


CHANGES: Made ffi a dependency instead of part of the gem. Added some
additional specs. In particular, added specs for the #with construct
and the #lets construct for the disbelievers. To execute all the specs:
you need to be inside the gem directory where ever this maybe on your
system and run rspec from the gem directory itself.


Thank you.


IMPORTANT NOTICE: If you feel the need to decompile the code even though
WHAT is contained in it is not worth the trouble you are hereby formally
instructed to: Cease and Desist. Jackbox and the code in it are
copyrighted. If you encounter bugs, you don't need to debug them. We
will debug them for you. Just send us your stack trace and an
explanation of the problem to the address on the GitHub page or on the
gem itself. We will do our most to provide you with outstanding
customer service.

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Posted by Ruby on Rails at 11:44 AM 0 comments

[Rails] Multiple Databases w/ RoR 4.2

Ruby on Rails

Hi, all -

I'm prototyping a large application which will eventually have multiple open connections to MySQL and Neo4j data persist stores (aka databases). I would also like to maintain the existing development/test/prod switch behavior.

How can I configure this, or where would I start to patch?

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Posted by Ruby on Rails at 11:40 AM 0 comments

Re: [Rails] how to remove (and resuse) all existing constraints from ActiveRecord::Relation

Ruby on Rails


You can do that inside a .try{} block too, same idea: 


Order.try{|query| 
if x==1
  query
else
  query.unscope(:where)
  } 






On Dec 29, 2014, at 4:30 AM, Frederick Cheung <frederick.cheung@gmail.com> wrote:



On Monday, December 29, 2014 1:16:40 AM UTC, Josh wrote:

I'd like to remove all existing constraints from an ActiveRecord::Relation and leave the rest in-tact.

I am not looking for #unscoped since I would like to keep any joins/order clauses around.

Additionally, I would like to re-use the constraints that were removed in another query, so the ability to call #to_sql on them would be a very nice bonus.


Sounds like you are looking for 

 some_scope.unscope(:where) 


Fred


This is the best I've been able to hack together:

Order.where(id: 1).where(id: 2).arel.constraints[0].to_sql

 => "`orders`.`id` = 1 AND `orders`.`id` = 2"

...but that just seems wrong.  As far as I can tell #constraints always has one item in it, but I don't know that will always be true.


Thanks!


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Posted by Ruby on Rails at 10:16 AM 0 comments

[Rails] Get 92% Discount on "The Ruby on Rails : Rookie to Rockstar Bundle" Course from Udemy

Ruby on Rails

Get 92% Discount on "The Ruby on Rails : Rookie to Rockstar Bundle" Course from Udemy using link below:
http://goo.gl/dFdDc8
Course Highlights:
1) The Startup's Guide To Web Development With Ruby On Rails.
2) Ruby On Rails For Beginners.
3) Learn Ruby On Rails From Scratch.
4) Advanced Ruby Programming: 10 Steps To Mastery.
5) Create & Deploy A Web App In 3 Hours.
6) Become a Heroku Rails Ninja

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Posted by Ruby on Rails at 9:34 AM 0 comments

Re: [Rails] Re: Rails tutorial

Ruby on Rails

On 29 December 2014 at 14:49, Etienne Brunet <etiennebrunet@gmail.com> wrote:
> Ok thank you. I found the error, It is weird because all test where failing
> for 1 syntaxt error...

A syntax error is detected when the code is loaded and the whole app
is loaded for any test.

Colin

>
>
> On Sunday, December 28, 2014 5:09:12 PM UTC-5, Etienne Brunet wrote:
>>
>> Hi,
>>
>> I'm following the https://www.railstutorial.org
>>
>> I'm now at chapter 10. Since yesterday all my 42 tests are RED and reports
>> the same error :
>>
>>
>> ERROR["test_should_get_new", UsersControllerTest, 0.274138782]
>> test_should_get_new#UsersControllerTest (0.27s)
>> SyntaxError: SyntaxError: (erb):36: syntax error, unexpected
>> tLABEL
>> activated: true
>> ^
>> (erb):37: syntax error, unexpected ':', expecting ')'
>> activated_at: <%= Time.zone.now ).to_s); _erbout.concat "\n"
>> ^
>> (erb):37: unterminated string meets end of file
>>
>>
>>
>> The app is working great.
>>
>> I'm on cloud9.
>>
>> I have restarted the server etc... same errors. Everything was working
>> great since yesterday.
>>
>> Thx
>
> --
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Posted by Ruby on Rails at 7:34 AM 0 comments

[Rails] Re: How can I use Rails Erubis templating standalone?

Ruby on Rails

Find my answer below:

http://stackoverflow.com/questions/27620228/ruby-2-1-with-erubis-template-engine/27690911

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Posted by Ruby on Rails at 7:07 AM 0 comments

[Rails] Re: Rails tutorial

Ruby on Rails

Ok thank you. I found the error, It is weird because all test where failing for 1 syntaxt error...

On Sunday, December 28, 2014 5:09:12 PM UTC-5, Etienne Brunet wrote:
Hi, 

I'm following the https://www.railstutorial.org

I'm now at chapter 10. Since yesterday all my 42 tests are RED and reports the same error :


ERROR["test_should_get_new", UsersControllerTest, 0.274138782]
 test_should_get_new#UsersControllerTest (0.27s)
SyntaxError:         SyntaxError: (erb):36: syntax error, unexpected tLABEL
          activated: true
                    ^
        (erb):37: syntax error, unexpected ':', expecting ')'
          activated_at: <%= Time.zone.now ).to_s); _erbout.concat "\n"
                       ^
        (erb):37: unterminated string meets end of file



The app is working great. 

I'm on cloud9. 

I have restarted the server etc... same errors. Everything was working great since yesterday.

Thx

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Posted by Ruby on Rails at 6:49 AM 0 comments

Re: [Rails] how to remove (and resuse) all existing constraints from ActiveRecord::Relation

Ruby on Rails


You can use a .try{ |query| ... } block inside the Arel chain.

I think to achieve what you want you would do something like


Order.where(id: 1).try{|query| if continue_with_query; query; else; Order; end}


Notice that inside the try block I'm passing back either the query (with Arel constraints) or a new Order class object (which will "reset" all the constraints because it'll be a new object)

I actually think a better design would be to adopt this try-block method for all your constraints, and then add them optionally depending on your if statement. then you don't have to do any "resetting" at all because each individual step will either return the original query or will return the query with more scope restrictions on it.

-Jason



On Dec 28, 2014, at 8:16 PM, Josh <josh.m.sharpe@gmail.com> wrote:

I'd like to remove all existing constraints from an ActiveRecord::Relation and leave the rest in-tact.

I am not looking for #unscoped since I would like to keep any joins/order clauses around.

Additionally, I would like to re-use the constraints that were removed in another query, so the ability to call #to_sql on them would be a very nice bonus.


This is the best I've been able to hack together:

Order.where(id: 1).where(id: 2).arel.constraints[0].to_sql

 => "`orders`.`id` = 1 AND `orders`.`id` = 2"

...but that just seems wrong.  As far as I can tell #constraints always has one item in it, but I don't know that will always be true.


Thanks!


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Posted by Ruby on Rails at 5:23 AM 0 comments

[Rails] Scaffold to existing SQL Server database

Ruby on Rails

Hello all,
I'm rather new to RoR and I'm checking if RoR is the way to go in my
scenario.

I've got a Client/Server application built on top of SQL Server with
some Win32 screens.

We would want to build a Web version of our application but keeping the
database because we use a code generation tool to build all the app and
we want to keep using it to generate the backend.

Is RoR suited to pickup the existing database and data and just build
the CRUD logic and web layout on top of it?

Thanks.
Nelson

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Posted by Ruby on Rails at 3:38 AM 0 comments

[Rails] Re: how to remove (and resuse) all existing constraints from ActiveRecord::Relation

Ruby on Rails



On Monday, December 29, 2014 1:16:40 AM UTC, Josh wrote:

I'd like to remove all existing constraints from an ActiveRecord::Relation and leave the rest in-tact.

I am not looking for #unscoped since I would like to keep any joins/order clauses around.

Additionally, I would like to re-use the constraints that were removed in another query, so the ability to call #to_sql on them would be a very nice bonus.


Sounds like you are looking for 

 some_scope.unscope(:where) 


Fred

This is the best I've been able to hack together:

Order.where(id: 1).where(id: 2).arel.constraints[0].to_sql

 => "`orders`.`id` = 1 AND `orders`.`id` = 2"

...but that just seems wrong.  As far as I can tell #constraints always has one item in it, but I don't know that will always be true.


Thanks!

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Posted by Ruby on Rails at 1:30 AM 0 comments

Re: [Rails] Rails tutorial

Ruby on Rails

On 28 December 2014 at 22:09, Etienne Brunet <etiennebrunet@gmail.com> wrote:
> Hi,
>
> I'm following the https://www.railstutorial.org
>
> I'm now at chapter 10. Since yesterday all my 42 tests are RED and reports
> the same error :
>
>
> ERROR["test_should_get_new", UsersControllerTest, 0.274138782]
> test_should_get_new#UsersControllerTest (0.27s)
> SyntaxError: SyntaxError: (erb):36: syntax error, unexpected tLABEL
> activated: true

The error says that you have got a syntax on line 36, but you have not
shown us the code which has the error. Show us that line (from
whichever file it says has the error) along with a few lines before it
as sometimes the error is actually on a preceding line, but it is not
obvious to Ruby that there is an error until it reads the next
line(s).

Which version of ruby are you using (ruby -v, run from the root folder
of the application). I assume you are running the test from that
folder.

> ^
> (erb):37: syntax error, unexpected ':', expecting ')'
> activated_at: <%= Time.zone.now ).to_s); _erbout.concat "\n"
> ^
> (erb):37: unterminated string meets end of file
>
>
>
> The app is working great.
>
> I'm on cloud9.
>
> I have restarted the server etc... same errors. Everything was working great
> since yesterday.

When running tests it is not necessary to have the server running.

Colin

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Posted by Ruby on Rails at 12:27 AM 0 comments

[Rails] how to remove (and resuse) all existing constraints from ActiveRecord::Relation

Ruby on Rails Sunday, December 28, 2014

I'd like to remove all existing constraints from an ActiveRecord::Relation and leave the rest in-tact.

I am not looking for #unscoped since I would like to keep any joins/order clauses around.

Additionally, I would like to re-use the constraints that were removed in another query, so the ability to call #to_sql on them would be a very nice bonus.


This is the best I've been able to hack together:

Order.where(id: 1).where(id: 2).arel.constraints[0].to_sql

 => "`orders`.`id` = 1 AND `orders`.`id` = 2"

...but that just seems wrong.  As far as I can tell #constraints always has one item in it, but I don't know that will always be true.


Thanks!

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Posted by Ruby on Rails at 5:16 PM 0 comments
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