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    I have the code sequence below in a rails controller action. Before the IF, params contains the request parameters, ... '}} end Thank you. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I use postgresql 9.3, Ruby 2.0, Rails 4.0.0. After reading numerous questions on SO regarding setting the ... primary key. What am I missing? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Any commands that use sudo don't seem to work with RBenv. I'm trying to install ActiveRecord and it says I don' ... How can I get around 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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    I'm using database authentication in devise(current gem) on rails 3 and I get the following error when trying to ... doesn't solve the issue. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm fooling around with Ruby and basically I have @trans = { :links => { :quick_notes => "aaaaaaa" } } ... links.quick_notes') Any ideas ? thanx See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Let's keep this simple. Let's say I have a User model and a Post model: class User < ActiveRecord::Base # ... feel I'm missing out on learning. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    The app works fine in development but in production I get Errno::EACCES Permission Denied error when I try to upload ... cache/#{model.id}" 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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    When I use the attr_accessible to specify which fields from my Model I will expose, is it true for script/ ... as well through console ? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm looking for a elegant way to assign the value stored inside an Hash into a pre-existed object. Just ... ] Thanks for your attention. Simone See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to install gems to my new Ruby project using bundle install. I've set the version of Ruby using ... - does not handle spaces in 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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    What does that mean? In the instructions for a project, it said to "freeze the Rails gems". Is that ... version? What's freezing about? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Is there a way to run specific code block before and after each cucumber feature with certain tag? Since setup ... run it before each scenario. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I've found a few posts alluding to the fact that you can validate XHTML against its DTD using the nokogiri gem. ... : 2.6.23 binding: extension See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Is there any limit of the POST request size in apache? What is the default value of this limit and is ... on this server using passenger. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Here is the code I'm using: # Run the query against the database defined in .yml file. # This is a Mysql: ... .tmtm.org/en/mysql/ruby/ 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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    I am trying to the get SQL from AREL, but it does not work in case I use average(:stars) : This works: ... ? How to get the generated SQL ? 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 1.8.7 ### require 'rubygems' require 'oniguruma' # for look-behind Oniguruma::ORegexp.new('h(? ... using quantifiers with look-behind? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Invalid gemspec in [/usr/lib/ruby/gems/1.8/specifications/activemodel-3.2.0.gemspec]: Illformed requirement ["# ... the message for most of them See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have app that is running Ruby 1.9.2, Rails 3, and postgreSQL 8.3. It was originally setup and working with ... window, I get the same errors. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a custom class and want to be able to override the assignment operator. Here is an example: class ... this work are highly appreciated. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    enable :sessions set :session_secret, 'secret' post '/login' do session[:loggedInUser] = jsondata['username']. ... instead of enable :sessions: See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    how I can get the has_many associations of a model? For example if I have this class: class A < ActiveRecord:: ... ,C] Is it possible? 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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    I have a date (Which is actually parsed from a PDF) and it could be any of the following format: MM/DD/YYYY MM/ ... I'm using ruby on rails 3.2. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I cloned a repository and tried to run rails s. However, I received the following error: /Users/me/.rbenv/ ... I feel I need some direction. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a Rails app on Heroku that is serving 500 errors at random intervals. Web pages will display "Internal ... how to diagnose this issue. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am reading source code for god A process monitoring framework in Ruby and found this STDOUT.sync = true. I' ... this line? Thanks in advance. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a certain module which is used in a Rails 4.1.1 application module A extend ActiveSupport::Concern ... classes is done by Rails? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am new to rails. I am trying to write an API for a mobile application which authenticates using JSON. I ... some sample code? Thanks! Satyam See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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