Recent questions tagged ruby

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ruby on rails - What does 'yield resource' in the Devise controllers do?

I was looking through the Devise code and noticed that most of the controllers yield the resource being created. ... how blocks in Ruby work. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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572 views

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ruby - How to compare a string against multiple other strings

Is there a method that let me compare one String with multiple others in Ruby? I really would like to do ... string1","string2","string3"]) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - rails strip non numeric values before save

I have searched and it looks like this should be simple but I can't get it to work. I am trying to remove all ... =s.gsub(/D/, '') end See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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961 views

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ruby - Rails - Get the time difference in hours, minutes and seconds

I'm looking for an idiomatic way to get the time passed since a given date in hours, minutes and seconds. ... won't work with this requirement. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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643 views

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ruby - When I try sudo gem install json I get the following error

I need to install the JSON gem to start my app but I get the error below whenever I try to install the ... 4/ext/json/ext/parser/gem_make.out See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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724 views

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ruby on rails - CSS is not loading in app

CSS won't load in my rails app. This is index.html.erb file located in view/products: <h1>Listing products</h1 ... my app not showing any CSS? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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872 views

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ruby - How to parse JSON request body in Sinatra just once and expose it to all routes?

I am writing an API and it receives a JSON payload as the request body. To get at it currently, I ... body request_payload['someKey'] end See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - What is the difference between Date.current and Date.today?

They both seem to do the same thing. I'm just worried that one uses timezones differently to the other. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - How to make carrierwave delete the file when destroying a record?

I'm using the carrierwave gem to upload files. I have built a system for users to flag images as inappropriate ... I destroy the image path? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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785 views

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ruby on rails - '-%>' (minus sign) at the end of a ERb sequence

What's the point of using '-' (minus sign) at the end of a ERb sequence? Example: <% 3.times do -% ... renders the same output. Thanks, Aplha. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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890 views

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ruby on rails - Paperclip::Errors::NotIdentifiedByImageMagickError on Windows 7

I'm going through Mattan Griffel's "One Month Rails" (http://onemonthrails.com/) class. I'm trying to use the ... I need to post anything else. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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728 views

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ruby on rails - Heroku file upload problem

I've been having a problem uploading a CSV file to Heroku and processing it. It works fine in my local ... that error on Heroku? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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865 views

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ruby - Rails I18n via database column

I have a legacy database table that has columns name_en and name_es and was wondering what the best way to query in ... I call the row's id. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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715 views

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ruby - Rails How to get latitude and longitude from string address and put it on google map?

Here's user story: User enters address: Paris, France. Then I would like to display google map center on Paris ... so it centers map in Paris? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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565 views

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ruby - rails generate rspec:install config/environments/development.rb:1:in `<top (required)>': undefined method `configure'

first, here are my versions: Greg-Nowickis-MacBook-Pro:sample_app Greg_Nowicki$ ruby -v ruby 2.0.0p451 (2014- ... the latest version - thoughts? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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774 views

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ruby on rails - solr sanitizing query

I am using solr with ruby on rails. It's all working well, I just need to know if there's any existing code ... a query starting with ? or * See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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648 views

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ruby on rails - How do I create the view for the has_one association?

So, imagine I have this model: class Car has_one :engine end and the engine model: class Engine belongs_to ... something very basic here. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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620 views

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ruby - Adding namespace using Nokogiri's XML Builder

I have been wrecking my head for a few hours but I can't seem to determine how to add XMLNS namespace whilst ... > </GetQuote> </p:ACMRequest> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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738 views

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ruby - Getting viewable text words via Nokogiri

I'd like to open a web page with Nokogiri and extract all the words that a user sees when they visit the ... designed for display is fine.) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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625 views

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ruby - Are rails controllers multithreaded? Thread.exclusive in controllers

Are Rails controllers multithreaded? If so, can I protect a certain piece of code (which fires only once ... somehow synchronize on a monitor? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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646 views

1 answer

ruby - Dynamic Rails routes based on database models

So I'm building a Rails site that needs routes based on two different types I have a Language model ... generate these routes somehow. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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536 views

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ruby on rails - Selenium RC: Run tests in multiple browsers automatically

So, I've started to create some Ruby unit tests that use Selenium RC to test my web app directly in the ... know which browser it failed on. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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646 views

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ruby on rails - AWS OpsWorks Environment variables not working

I am running Ubuntu 14.04 LTS 64 bit Rails Application and I am unable to access my App environment variables. ... where these should be set? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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527 views

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ruby on rails - Alternative way to do an initial push of a large repo

I've got a largish Rails 3.1 app in development and production which I've only just set up a staging ... slug from one app to another! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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582 views

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ruby on rails - Integration testing with Authlogic?

For the life of me I don't understand why Authlogic isn't logging me in in this integration test. I haven' ... city_path(@tip.city)} end end end See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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619 views

1 answer

ruby on rails - How to prevent Rake test to call task db:test:prepare

Every time I want to run Rake test the task db:test:prepare is being called and it rebuilds my test ... possible without modifying Rails gem? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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684 views

1 answer

ruby on rails - How to manage opening and closing database connections while working with activerecords and multiple threads

I am trying to implement a multithreaded method in rails such that I can create/update multiple records very quickly ... do I proceed with this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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539 views

1 answer

ruby - GIt Deployment + Configuration Files + Heroku

I'm using Heroku to host a Rails app, which means using Git to deploy to Heroku. Because of the "pure ... done? I'd appreciate any suggestions! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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