Recent questions tagged ruby

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ruby on rails - ActiveRecord includes. Specify included columns

I have model Profile. Profile has_one User. User model has field email. When I call Profile.some_scope.includes(:user ... users.id IN (some ids) 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 - Fall back to default language if translation missing

in an internationalised Rails (2.3.5) app, I'd like to show a translation from the default locale instead of " ... rather avoid that if I can. 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 - rails console doesn't load due to libreadline

I have recently reinstalled ruby 2.1.2 like so since I wanted to install a gem (ruby-debug-ide) sudo rvm ... but didn't solve my problem. 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 - rails bundle clean

After updating a bundle, you will have some gems that may be obsolete -- since a newer version of that gem has ... slug size in my rails app. 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 to get a substring of text?

I have text with length ~700. How do I get only ~30 of its first characters? See Question&Answers more detail:os...

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

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428 views

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ruby - How can I get the absolute URL when extracting links using Nokogiri?

I'm using Nokogiri to extract links from a page but I would like to get the absolute path even though the one ... . How can I accomplish this? 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 - troubles with RVM and OpenSSL

Trying to set up a new macbook for a colleague. Not going well. First I install OpenSSL: Heathers-MacBook-Pro: ... https://rubygems.org" ideas? 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 to install command line tools on OSX Mavericks

I am running OSX Mavericks (10.9) and while trying to update a bundle in rails, I get the following ... command line tools via terminal? 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 - Heroku - Display hash of current commit in browser

I want to display the hash of the current git commit in the browser so that testing team (which does not have ... , such as date for example? 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 do I convert hash keys to method names?

This is my hash: tempData = {"a" => 100, "here" => 200, "c" => "hello"} I need to access the ... like: tempData.a #100 tempData.here # 200 See Question&Answers more detail:os...

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

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876 views

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ruby - ERROR: While executing gem ... (Gem::FilePermissionError)

I have checked all the other similar answers and none was exactly like mine, neither did any of those solutions work ... .c:11: : : : See Question&Answers more detail:os...

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

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469 views

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ruby - What does <%== %> do in rails erb?

I saw this recently, thought it was interesting. But I don't really understand what it does? Ex. I have a rails ... ? Or is there more to 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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990 views

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ruby on rails - How to make Devise redirect after confirmation

How can I create an after-confirmation redirect in Devise? Before I added the confirmation module the custom ... to work any longer. 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 - Is there a way to avoid automatically updating Rails timestamp fields?

If you have DB columns created_at and updated_at Rails will automatically set those values when you create and ... automatic timestamp thing. See Question&Answers more detail:os...

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

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458 views

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ruby system command check exit code

I have a bunch of system calls in ruby such as the following and I want to check their exit codes simultaneously ... Exit code is not zero' 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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738 views

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ruby on rails - strong parameters permit all attributes for nested attributes

Is there a way in strong parameters to permit all attributes of a nested_attributes model? Here is a ... permitting all for nested attributes See Question&Answers more detail:os...

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

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395 views

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ruby - Gem.source_index is deprecated, use Specification. Should I re-install Gem or Rails?

I'm learning RoR on Ubuntu 11. Got the following message when I was trying to generate an app. Did I ... 12/lib/bundler/shared_helpers.rb:84. See Question&Answers more detail:os...

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

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439 views

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ruby on rails - Why polymorphic association doesn't work for STI if type column of the polymorphic association doesn't point to the base model of STI?

I have a case of polymorphic association and STI here. # app/models/car.rb class Car < ActiveRecord::Base belongs_to ... but was <2>. Thanks See Question&Answers more detail:os...

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

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441 views

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ruby - Could not find rails (>= 0) amongst [] (Gem::LoadError)

After installing rvm, updating .gmrc file, updating rubygems and running gem install rails -v ">=3.1.0rc", I ... : - http://rubygems.org/ See Question&Answers more detail:os...

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

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665 views

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ruby on rails - How to bypass SSL certificate verification in open-uri?

I try to access a file with open-uri over an https connection. Unfortunately somethings wrong with the ... = OpenSSL::SSL::VERIFY_NONE See Question&Answers more detail:os...

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

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632 views

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ruby on rails - Capistrano and environment variables

I've switched to using environment variables for configuration and it works very well - except when I have ... capistrano executes its tasks? See Question&Answers more detail:os...

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

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291 views

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ruby - Why does "compass watch" say it cannot load sass/script/node (LoadError)?

I'm having a problem with my compass watch command - it worked fine up until a few days ago. I have made no ... `<main>' Anyone have any ideas? 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 - How to fake Time.now?

What's the best way to set Time.now for the purpose of testing time-sensitive methods in a unit test? See Question&Answers more detail:os...

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

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367 views

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ruby - Mac Rmagick won't install with Xcode 4.2

I just got a new macbook pro and trying to setup my dev environment. I downloaded xcode 4.2 from the app ... push me in the good direction? See Question&Answers more detail:os...

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

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736 views

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ruby - Suppress console output during RSpec tests

I am testing the class which put on the console some messages (with puts, p warnings and etc.). I am ... this output during RSpec tests ? See Question&Answers more detail:os...

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

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439 views

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ruby - Cannot install Aptana Studio 3.6 on Windows

I'd like to use Aptana Studio for Rails development under Windows. I currently have different dev tools & ... succesfully installed this ide? See Question&Answers more detail:os...

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

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454 views

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ruby on rails - "WARNING: Can't mass-assign protected attributes"

I have used RESTful techniques to generate a model (in fact, I am using Devise gem, which does that for me), ... :date_of_birth=>"1991-02-24") See Question&Answers more detail:os...

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

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397 views

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ruby on rails - How do I escape the ERB tag in ERB

I have a simple fixture.yml file: label: body: "<%= variable %>" The issue is that the ERB code is parsed as ... . How do I escape the ERB tag? See Question&Answers more detail:os...

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

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