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    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...
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    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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    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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    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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    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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    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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    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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    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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    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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    I am using devise gem, after clicking on the confirmation link, I want to directly sign ... ' Any suggestions? See Question&Answers more detail:os...
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    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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    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...
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    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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    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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    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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    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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    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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    #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...
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    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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    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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    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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    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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    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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    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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    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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    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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    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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    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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