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    When I use heroku open my web app works fine but when I'm using rails s (localhost) I am running into this ... ', group: [:development, :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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    I'm trying to migrate a sinatra application to ruby 1.9 I'm using sinatra 1.0, rack 1.2.0 and erb ... not fully compatible with ruby 1.9? 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 cron job on an Ubuntu Hardy VPS that only half works and I can't work out why. The job is a ... could be causing the cron job to fail? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    When running feature Rspecs, I receive the following error (full trace at the bottom of this message) Puma output Rack app error ... in `call' # /opt/rbenv/versions/2.5.3/lib/ruby...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a form that I would like to submit with the data-remote=true option. But I want to have my create ... success => "my_js_stuff" do |f| See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Say I have two models, Book and Author with a has_and_belongs_to_many relationship between them. What I want to do ... solution for Rails 3. 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 working with rails 2.3.5 application, in witch I have this field t.string "trip_cities", :limit => 256 ... t quite know how to resolve 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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    I'm trying to use Paperclip and SWS S3 on Heroku to let users upload images. I do not have my credentials ... pretty easy. Thanks in advance. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Got the DevKit installed and re-ran the ffi install .got this as an output: C:Documents and Settings****** ... with this issue. Kindly 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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    Suppose I have a Post model, and a Comment model. Using a common pattern, Post has_many Comments. If Comment has ... way to pull ALL comments? 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's Test::Unit has assert_nothing_raised. Test::Unit has been replaced by MiniTest. Why don't MiniTest's ... must_raise but not wont_raise. 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 download a csv file from my app using Open::URI and to do that I need to give it a fully ... ? Note I am using Capybara and Selenium 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 a former PHP developer learning Rails and Sinatra. In PHP, every page request loaded all of ... book.gittr.com/#automatic_code_reloading)? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    How can I change indentation from 2 spaces to 4 spaces in output CSS files when using Sass? I'm using expanded style. ... 3.2.1/ on my computer. 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 looked everywhere for an elegant solution. The essential problem seems to be that ActiveRecord attributes that map ... way to do 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'm looking for a regex that matches unescaped quotes in an arbitrary string, but not quotes that are already ... want 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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    I have a two-part question about storing days of the week and time in a database. I'm using Rails 4. ... Any suggestions would be super helpful. 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 setup: class UsersController < ApplicationController ... end class Admin::BaseController < ... in different namespaces? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Not sure what's going on here, but I think my nested form partials are causing a problem for CarrierWave. When ... in the filesystem. 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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    There is a very similar question already. One of the solutions uses code like this one: string.mb_chars.normalize(: ... : "é" Help please? 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 been desperately trying to send an email using the Action Mailer class in RoR, and even though the terminal ... can solve this 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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    Can I somehow configure Rails to avoid the need to add # coding: utf-8 to all files? Or must I add it to ... -8BIT after I upgraded to Rails 3? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Let's say that I have following code. result = if a.is_a?(Class) && a <= Exception a.name elsif . ... Do I understand triple equal correctly? 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 pass a parameter through a link_to method in Rails. I know there is a way to do it via ... Is there something similar in Rails? 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 am splitting a string by pattern, like this: outcome_array=the_text.split(pattern_to_split_by) The ... split pattern itself? 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 application I have used ruby 1.9.2 and rails 3.0.3 and have also installed Devise gem.The problem ... .rb:35:in `require' 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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    I want to look at every n-th elements in an array. In C++, I'd do this: for(int x = 0; x<cx; x+=n ... be a better (more Ruby) way of doing 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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    There are a some Ruby classes that don't allow singleton methods to be defined on their instances. For example, ... of objects but not others. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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