Recent questions tagged ruby

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ruby - Confusion about passing instance variables to redirect_to method. As seen in Rails Guides

I am studying the ruby on rails guides namely, the "layouts and rendering" topic at http://guides.rubyonrails.org/ ... , author, pages etc... 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 - Cannot get ActionMailer working with MS Exchange via SMTP

Here's my simple test program (using ActionMailer 3.0.8, Ruby 1.9.2p180 Mac OS X): require 'rubygems' ... file reached (EOFError) 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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ruby - How do I use hash keys as methods on a class?

I have a class and a hash. How can I get the members of the hash to dynamically become methods on the class with ... : u = User.new puts u.sn 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 - Escaping a single quotation within SQL query

I have a table companies, which has two columns named name and address. By running the following code, new data ... quotation mark in my value? 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 - OpenSSL::SSL::SSLError: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed

I used RVM to install Ruby 1.9.3 on Ubuntu 12.04 by doing rvm pkg install openssl rvm install 1.9.3 -- ... it in Ubuntu? Thanks for your help. 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 - When I ran `bundle exec rake test:prepare` it errored out, but `bundle exec rake db:test:prepare` goes through fine with warning. What's going on?

So according to this link one is a shortcut wrapper (so I'm guessing they're the same). When I ran bundle ... . Can anyone shed light on 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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556 views

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ruby on rails - Two pages for the same resource - ActiveAdmin

Currently I have User model, which is registered in user.rb as a new resource for ActiveAdmin. ... journalists scope :startup_employees 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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ruby on rails - override default pluralize for model-name in rails3

my locale is :de and I like to get this: Sheet.model_name.human.pluralize # => Belegs to add me a trailing ... my config/locales/models/de.yml ? 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 - error: failed to build gem native extension when installing rails on mac mountian lion os

I've recently updated to Mountain Lion and re-installed Ruby, but when I try to run a test Rails app, I ... /ext/json/ext/generator/gem_make.out See Question&Answers more detail:os...

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

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680 views

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ruby on rails - Avoid sign-in after confirmation link click using devise gem?

I am using devise gem, after clicking on the confirmation link, I want to directly sign ... ' Any suggestions? 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 - Broken pipe (Errno::EPIPE)

i have a Broken pipe (Errno::EPIPE) error popping up and i don't understand what it is or how to fix it. the ... my_val + "&y=1&z=Add+Num ") See Question&Answers more detail:os...

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

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839 views

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ruby on rails - Injecting variable values into javascript and HAML in RoR

I have the following function for using ZenDesk. I'd like to inject my current_user details into the form as ... a :javascript element in haml. See Question&Answers more detail:os...

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

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992 views

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ruby - How do you uninstall rbenv on macOS?

How do you uninstall rbenv on macOS? My version of rbenv is messed up, and brew uninstall rbenv isn't working because brew relies on?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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373 views

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ruby - How can I know when to "refresh" my model object in Rails?

Here's part of an integration test that I'm having: user = User.first assert !user.is_active? get confirm_email_user_url ... in order to do so? See Question&Answers more detail:os...

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

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378 views

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ruby - Dynamic routes with Rails 3

I have a task to develop a rails application following the model for routing. I need to have PageController and ... Sorry for my bad English. See Question&Answers more detail:os...

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

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466 views

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ruby - How can I install Jekyll on OSX 10.11?

ERROR: While executing gem ... (Errno::EPERM) Operation not permitted - /usr/bin/jekyll I'm getting a ... is this an OS specific 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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585 views

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ruby on rails - Creating a model that has a tree structure

I have categories that are in a tree structure. I am trying to link them together by defining a parent for each ... this isn't going to 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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656 views

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ruby on rails - Getting delayed job to log

#Here is how I have delayed job set up. Delayed::Worker.backend = :active_record #Delayed::Worker.logger = ... almost impossible! Please help! See Question&Answers more detail:os...

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

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387 views

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ruby - size, length and count in Rails

1.9.3p194 :002 > u = User.find_by_email("[email protected]") 1.9.3p194 :005 > u.addresses.size => 1 1.9.3p194 :006 ... in Rails 3.2.3, isn't 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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544 views

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ruby - how to require active record working outside of rails

i need to require active record, but I am working outside of rails (here is why: Simple Ruby Input Validation Library) ... , or can i be DRYer? See Question&Answers more detail:os...

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

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423 views

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ruby on rails - Can't stop WEBrick 1.3.1 with ctrl-c on Ubuntu 11.04

I'm using RVM, Ruby 1.9.2, and Rails 3.0.7 A standard kill of the process from another terminal doesn ... they mention also makes a system call. See Question&Answers more detail:os...

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

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837 views

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ruby on rails - Render partial :collection => @array specify variable name

I am rendering a partial like this: $("#box_container").html("<%= escape_javascript( render :partial => 'contacts/ ... . How do I do that? 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 - Guard with RSpec on Rails 4 giving a lot of warnings

I'm wondering how I can turn off all these warnings when running a simple test: [1] guard(main)> 16:59:46 - ... sure I'm not causing them. Help! See Question&Answers more detail:os...

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

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466 views

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ruby - Why is __FILE__ uppercase and __dir__ lowercase?

In Ruby 2.0.0-p0, the __dir__ variable was introduced for easy access to the directory of the file ... lowercase when __FILE__ is uppercase? See Question&Answers more detail:os...

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

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536 views

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ruby - What is the difference between Integer and Fixnum?

I know that the Fixnum class inherits from the Integer class. But what is the actual difference between them ... sometimes use Integer instead? See Question&Answers more detail:os...

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

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448 views

1 answer

ruby on rails - Creating url slugs for tags with acts_as_taggable_on

I would like to create url slugs for tags managed by the acts_as_taggable_on gem. For instance instead of urls ... own application code. 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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677 views

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ruby on rails - how to pass a variable with redirect_to?

In my controller destroy function, I would like to redirect to index after the item deleted, and I would like ... checked = params[checked] 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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291 views

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ruby - Why should one use a http server in front of a framework web server?

Web applications frameworks such as sinatra (ruby), play (scala), lift (scala) produces a web server listening ... this from your experience? See Question&Answers more detail:os...

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

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