Recent questions tagged Ruby

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Rails 3.0 deprecated f.error_messages and now requires a plugin to work correctly - I however want to learn ... messages for comment creation? See Question&Answers more detail:os...

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

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664 views

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ruby - cannot load such file -- zlib even after using rvm pkg install zlib

I installed zlib package and ruby 1.9.3 using rvm, but whenever I try to install gems it says cannot load such ... /usr, but this didn't work. See Question&Answers more detail:os...

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

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899 views

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ruby on rails - AWS S3: The bucket you are attempting to access must be addressed using the specified endpoint

I am trying to delete uploaded image files with the AWS-SDK-Core Ruby Gem. I have the following code: require ' ... What am I doing wrong here? See Question&Answers more detail:os...

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

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559 views

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ruby on rails - How to spec a private method

I got a model with a private method I'd like to spec with RSpec, how do you usually do ? Do you only test the ... ? if so, how do you do ? See Question&Answers more detail:os...

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

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366 views

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ruby - What does to_proc method mean?

I am learning rails and following this thread. I am stuck with the to_proc method. I consider symbols only as ... what it is used for. See Question&Answers more detail:os...

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

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766 views

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ruby - How to get a query string from a URL in Rails

Is there is a way to get the query string in a passed URL string in Rails? I want to pass a URL string: http:/ ... 6 How can I get id and empid? See Question&Answers more detail:os...

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

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514 views

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ruby on rails - twitter bootstrap drop down suddenly not working

i was wondering if someone could help me. my bootstrap drop down menu suddenly stopped working. i have no idea ... with my config files somehow? See Question&Answers more detail:os...

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

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465 views

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ruby 2.0 rails gem install error "cannot load such file -- openssl"

I am using osx 10.8.2 installed ruby 2.0 and.... got this when trying to run "sudo gem install rails" ... and rails 3.2.x working alright before See Question&Answers more detail:os...

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

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676 views

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ruby on rails - An error occurred while installing pg (0.17.1), and Bundler cannot continue

I just installed Rails 4.0.2 and when creating a new app, in the bundle stage I get: Installing pg (0.17. ... options. How do I fix 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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993 views

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ruby on rails - "Incomplete response received from application" from nginx / passenger

I tried to deploy my rails app on nginx and ubuntu via capistrano like the tutorial on the page https://gorails.com ... i figure out what to do? See Question&Answers more detail:os...

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

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364 views

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ruby - Installing RubyGems in Windows

I'm new to ruby. I tried to install Ruby Gems on my PC by following the steps given in the site http:// ... know if I am doing something wrong. 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 - Get list of a class' instance methods

I have a class: class TestClass def method1 end def method2 end def method3 end end How can I get a list ... class (method1, method2, method3)? See Question&Answers more detail:os...

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

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429 views

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ruby - Open an IO stream from a local file or url

I know there are libs in other languages that can take a string that contains either a path to a local file or a ... way to do this in ruby? See Question&Answers more detail:os...

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

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461 views

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ruby - What is the best way to seed a database in Rails?

I have a rake task that populates some initial data in my rails app. For example, countries, states, ... that incorporate best practices. 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 - How do i work with two different databases in rails with active records?

I need to use different database connections in different Rails models. Is there a not-so-hacky way to do that? ... keywords would be great :) See Question&Answers more detail:os...

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

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642 views

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ruby on rails - Connecting to WSL2 server via local network

I'm developing a rails app using WSL2/Ubuntu on my Windows 10 machine, which is great! The problem is I ... VScode part would be 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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414 views

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ruby - Reuse Cucumber steps

I want to reuse some Cucumber steps but can't seem to find the right way. I want to write a step like: ... 's actually the best way anyway)? See Question&Answers more detail:os...

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

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407 views

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ruby - Why are my basic Heroku apps taking two seconds to load?

I created two very simple Heroku apps to test out the service, but it's often taking several seconds to load ... are on github if that helps. See Question&Answers more detail:os...

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

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336 views

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ruby - Why is this RMagick call generating a segmentation fault?

I've been banging my head against the wall for the better part of an hour trying to figure ... 0x0000000100007902 rb_ary_each + 82 0x1000fd0e4 36 libruby.dylib 0x00000001000fd0...

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

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345 views

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ruby - Failed to build gem native extension (installing Compass)

When I attempt to install the latest version of compass (https://rubygems.org/gems/compass/versions/1.0.0. ... the latest compass without error? See Question&Answers more detail:os...

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

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345 views

1 answer

ruby - Need a simple explanation of the inject method

[1, 2, 3, 4].inject(0) { |result, element| result + element } # => 10 I'm looking at this ... someone mind explaining what's happening here? See Question&Answers more detail:os...

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

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396 views

1 answer

ruby - How to upgrade rubygems

I need to upgrade gems to 1.8 i tried installing the respective debian packages but it seems its not getting upgraded ... = 1.3.6 anujm@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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446 views

1 answer

ruby on rails - "gem install therubyracer -v '0.10.2'" on osx mavericks not installing

Trying to install therubyracer on mavericks using "gem install therubyracer -v '0.10.2'" but i am getting ... the command line tools installed. See Question&Answers more detail:os...

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

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426 views

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ruby - Should Gemfile.lock be included in .gitignore?

I'm sort of new to bundler and the files it generates. I have a copy of a git repo from GitHub that ... .lock be included in the repository? See Question&Answers more detail:os...

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

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722 views

1 answer

ruby on rails - How do I set up email confirmation with Devise?

Is there a tutorial out there that explains how to set up Devise's signup confirmation email from scratch (in both ... => "[password]" } See Question&Answers more detail:os...

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

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444 views

1 answer

ruby - Unexpected keyword_end error, yet syntax seems fine

This function is supposed to pull names from a Comma Separated Values file, and place them into an array. ... have someone answer me directly. See Question&Answers more detail:os...

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

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328 views

1 answer

ruby - What does <<-CONSTANT do?

return <<-HTML <li> <a href = "some-link">Link-Title</a> </li> HTML What are <<-HTML on the first line and HTML on the last line for? 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

1 answer

ruby on rails - net::ERR_INCOMPLETE_CHUNKED_ENCODING in Chrome only

I've been getting this error when loading certain pages: net::ERR_INCOMPLETE_CHUNKED_ENCODING These pages don't do ... errors (200 response). See Question&Answers more detail:os...

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

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