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    I have an app hosted @ Heroku. The app depends on some feeds which are fetched using a socket listener. The ... as a temporary file in Heroku? See Question&Answers more detail:os...
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    I'm try learn about email in rails. I'm developing something on localhost. Is it possible to send an email ... at the moment for development. See Question&Answers more detail:os...
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    On all my gem installs I have to do sudo ? So sudo gem install rails will work, while only gem install ... denied - /home/murtaza/.gem/specs See Question&Answers more detail:os...
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    I'm writing some RSpec tests for my Rails 3 application and trying to switch from Webrat to Capybara. So far ... do this with Capybara? Thanks! See Question&Answers more detail:os...
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    Running a rails site right now using SQLite3. About once every 500 requests or so, I get a ActiveRecord:: ... over to MySQL tomorrow morning. See Question&Answers more detail:os...
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    I want to create a select list for lets say colors, but dont want to create a table for the colors. I have seen ... but now I couldn't find 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 have a string, which has been created at runtime. I want to use this string as a variable to store some ... the string into a variable name? See Question&Answers more detail:os...
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    I updated all the packages I installed with Homebrew. MySQL got upgraded to 5.6.12 (from 5.5.27 or so): $ ... still failed. So I'm stuck. See Question&Answers more detail:os...
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    Using Devise 2.1.2 and Rails 3.2.6 I'm doing this Q&A just in case others run into this problem ... , :trackable, :validatable, :lockable 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 learning Ruby and Rails. I have a Ruby on Rails project that tracks jobs a server is running. Right now, ... order to turn it into a link? 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 trying to spec behaviors for command line arguments my script receives to ensure that all validation passes. ... in my Something class). See Question&Answers more detail:os...
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    I have an array @horses = [] that I fill with some random horses. How can I check if my @horses array includes ... fill it with the same horse? See Question&Answers more detail:os...
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    Running Ubuntu 10.04 on Linode, RVM, Rails 3, Apache with Passenger module, carrierwave and mini-magick I get: ... I need to make writable? See Question&Answers more detail:os...
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    I am stumped with this problem. ActiveSupport::JSON defines to_json on various core objects and so does the JSON ... higher, which fixed 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 to find a way in Ruby to select every nth item in an array. For instance, selecting every ... array with integers, not strings. See Question&Answers more detail:os...
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    I'm using restful_authentication in my app. I'm creating a set of default users using a rake task, but every time ... I save the user? Thanks. See Question&Answers more detail:os...
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    This must be asked alot but it is very poorly documented. There is no mention at http://mongoid.org/en/ ... clear syntax to do this 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 have a record set that includes a date field, and want to determine how many unique dates are represented in ... that doesn't seem 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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    Rails 5.1 removes a whole load of previously deprecated methods. Among them is the old friend render :text. It ... : 401 What to use 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 am trying to be able to upload files with Sinatra. I have the code here, but I'm getting the error " ... Is there some dependency I'm missing. 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 building a rails app that I'll host on Heroku at domain.com. And I'd like to use WordPress for the ... ? Thanks in advance for the 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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    The problem is how can I catch exception in delivering mail by ActionMailer. For me it sounds impossible, because ... to implement this? 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 have a schema like this. managers has_many :emails has_many :stores emails belongs_to :manager stores belongs_to ... first.readings.limit(10) 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 writing a small Ruby program that will pull records from a database and send an HTML email daily. I'm ... creating a full-blown Rails app? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Using Resque and Devise, i have roles for User, like: User.first.role #=> admin User.last.role #=> regular I ... 'admin' role. Thanks a lot. 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 an ActiveRecord::Relation object call class methods? class Project < ActiveRecord::Base has_many : ... initial_tasks? Please explain. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    The newest version of Devise doesn't have :confirmable enabled by default. I already added the respective columns to ... I need to enable 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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    Can anyone explain me the difference between if and unless and when to use 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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