Recent questions tagged ruby

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ruby - How to make an HTTP GET with modified headers?

What is the best way to make an HTTP GET request in Ruby with modified headers? I want to get a range of ... data I am seeking without issue. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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470 views

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ruby on rails - Grouping by week/month/etc & ActiveRecord?

I'm doing some statics calculation in my product. A user has performed a number of operations, let's say ... some better way? thanks! Oren See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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991 views

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ruby on rails - Controller spec unknown keyword: id

I have simple action show def show @field = Field.find_by(params[:id]) end and i want write spec for it require ... keyword: id How to fix it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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613 views

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ruby - Storing Objects in a Session in Rails

I have always been taught that storing objects in a session was a bad idea. Instead IDs should be stored that ... maximum size per item of 1MB. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - Is it possible to refresh partial frequently using Ajax?

In background, I want it to reload and shows the number how many unread messages are there. I want that without ... ', data: @message_count)}"); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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459 views

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ruby - "gem install rails" fails with DNS error

$ rvm use Using /home/owner/.rvm/gems/ruby-2.1.2 $ gem install rails ERROR: While executing gem ... (Gem:: ... .2/bin/gem:21:in `<main>' See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - How can I format the value shown in a Rails edit field?

I would like to make editing form fields as user-friendly as possible. For example, for numeric values, I would ... attribute> won't get called. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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513 views

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ruby - Rake "already initialized constant WFKV_" warning

Trying to run rake cucumber:ok and am getting this error: /Users/dev/.rbenv/versions/1.9.2-p290/lib/ruby/gems/1 ... >' Tasks: TOP => cucumber:ok See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - What is the preferred way to manage schema.rb in git?

I don't want to add schema.rb to .gitignore, because I want to be able to load a new database schema from that ... have my cake and eat it, too? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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568 views

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ruby - Rails engines extending functionality

I have an engine which defines some models and controllers. I want to be able to extend functionality of some ... think it's even loaded). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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590 views

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ruby on rails - Using attr_accessor and attr_accessible on the same field

What happens in the background with the following code? class User < ActiveRecord::Base attr_accessor :name attr_accessible ... Why or why not? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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370 views

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ruby - How to assign hash['a']['b']= 'c' if hash['a'] doesn't exist?

Is there any way simpler than if hash.key?('a') hash['a']['b'] = 'c' else hash['a'] = {} hash['a']['b'] = 'c' end See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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393 views

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ruby on rails - bundle install / update: libv8 (therubyracer) installation fails (with native extensions)

I recently wanted to update my gem bundle but ran into installation problems with libv8 (requirement for therubyracer) ... version for a while? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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526 views

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ruby - How to install RVM on Windows 7

How do I install RVM on Windows 7? It says to install RVM, and use the following script: user$ bash -s stable < ... What do I do to install RVM? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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391 views

1 answer

ruby - Rails.cache error in Rails 3.1 - TypeError: can't dump hash with default proc

I running into an issue with the Rails.cache methods on 3.1.0.rc4 (ruby 1.9.2p180 (2011-02-18 revision ... . Any suggestions? Thanks in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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406 views

1 answer

ruby - How to change the default path of view files in a Rails 3 controller?

I have a controller called ProjectsController. Its actions, by default, look for views inside app/views/projects. I'd ... so, how? Thank you! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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639 views

1 answer

ruby on rails - bundle install / update: libv8 (therubyracer) installation fails (with native extensions)

I recently wanted to update my gem bundle but ran into installation problems with libv8 (requirement for therubyracer) ... version for a while? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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557 views

1 answer

ruby - How to install RVM on Windows 7

How do I install RVM on Windows 7? It says to install RVM, and use the following script: user$ bash -s stable < ... What do I do to install RVM? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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457 views

1 answer

ruby - Rails.cache error in Rails 3.1 - TypeError: can't dump hash with default proc

I running into an issue with the Rails.cache methods on 3.1.0.rc4 (ruby 1.9.2p180 (2011-02-18 revision ... . Any suggestions? Thanks in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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357 views

1 answer

ruby - How to change the default path of view files in a Rails 3 controller?

I have a controller called ProjectsController. Its actions, by default, look for views inside app/views/projects. I'd ... so, how? Thank you! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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389 views

1 answer

ruby on rails - How to define action with simple form for?

I am trying to define the action "savenew" in admin/photographers controller. I have tried this: <%= ... be: /admin/photographers/savenew See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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618 views

1 answer

ruby on rails 3 - Default_url in Paperclip Broke with Asset Pipeline Upgrade

I'm using Paperclip and have a default_url option like this for one of my attachments: :default_url => '/images/ ... picture (:mini and :thumb). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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504 views

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ruby on rails - Cloud9 postgres

I am trying to set up a postgres database in a Rails app in Cloud9. I have followed the instructions here ... advice would be much appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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657 views

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ruby on rails - Long running delayed_job jobs stay locked after a restart on Heroku

When a Heroku worker is restarted (either on command or as the result of a deploy), Heroku sends SIGTERM to ... then unlock them. Any thoughts? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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616 views

1 answer

ruby on rails - Can't install pg gem on Windows

I've got 2 Ruby versions: 1.8.7 and 1.9.2 and PostgreSQL 8.3. I cant install pg gem on any of them ... Files (x86)PostgreSQL8.3in to my PATH. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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457 views

1 answer

ruby - How to use "RVM --default" on MacOSX

After using Ruby and Rails for quite some time now, I wanted to try RVM. Everything works fine, except for one thing ... X Snow Leopard (10.6.6) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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765 views

1 answer

ruby on rails - Undefined Method attr_accessible

I am somewhat new to rails and I am trying to create a User login. I went through the tutorial found ... doesn't apply anymore. Thanks fotanus See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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462 views

1 answer

ruby on rails - ArgumentError: A copy of ApplicationController has been removed from the module tree but is still active

I am using ActiveAdmin (with customized gemset for Rails 4) with Rails 4.0.0.rc2. Application also has custom-built ... (0.9.0) lib/better_errors/middleware.rb:56:in `call'...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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