Recent questions tagged Ruby

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ruby on rails - Deprecation warning for creating attribute 'currency'

I'm using Rails 3.2.3 with the money-rails gem and I've got a product model which has the following: My ... Should I have to do this though? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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903 views

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ruby on rails - Heroku logs FATAL SignalException: SIGTERM

I don't understand why I am getings this FATAL exception. It works just fine in localhost. I understand that ... info method=GET path=/ host=artslot.herokuapp.com request_id=1992fc...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - Polymorphic Assocations using Integer ID type fields

I have a table Foo that has a polymorphic belongs_to association called bar. The foos table has the ... type of polymorphic association? 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 - Sinatra and question mark

I need to make some methods with Sinatra that should look like: http//:localhost:1234/add?string_to_add But ... parameter to make things work? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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931 views

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ruby - When do you need a require in a rails Gemfile?

In my gemfile I have things like: gem 'net-sftp', '2.1.1', :require => 'net/sftp' gem 'backup', ' ... found things like :require => false. Help? 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 on rails - rails3 default_scope, and default column value in migration

class CreateCrews < ActiveRecord::Migration def self.up create_table :crews do |t| t.string :title t.text : ... : nil, logo_updated_at: nil> 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 - How to rescue from a require "gem_name" when the gem is not installed

I'm writing a library that depend on a specific gem. I require the gem and use it in my code and ... "please install some_gem first!" 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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937 views

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ruby on rails - Migrating from local paperclip storage to S3

We've recently moved to a new webhost that offers limited storage space so we're trying to move all of our ... Ruby documentation isn't great. 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 on rails - Wrapping text into lines at word boundaries

1) I want to auto wrap a text by words so that each line does not exceed 56 characters. Is there a method ... ut labore et dolore magna aliqua. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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934 views

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ruby - Why is this not a syntax error?

If I do this: (false true) it fails with a syntax error, as I expect. But if I do this: (false true) ... Is this considered a bug or a feature? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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814 views

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ruby on rails - Warning. Error encountered while saving cache ... can't dump anonymous class

When app is deployed with capistrano errors occur in production.log. Compiled signup.css (30ms) (pid 31797) ... What causes this 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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1.1k views

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ruby on rails 3 - Mysql2 Error MySQL server has gone away

I am getting this error occasionally. I have read some solutions in stackoverflow but they were about rails 2 or ... MySQL server has gone away See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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ruby on rails - Can't reindex Sunspot SOLR - Error - RSolr::Error::Http - 500 Internal Server Error

Everytime i try to reindex using... rake sunspot:solr:reindex These error messages always show: Error - RSolr ... around will be 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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909 views

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ruby - Rails 3.2 Postgres Save Error "ActiveRecord::StatementInvalid: PG::Error: ERROR: Syntax error near 'T' at position 5"

My app has started throwing errors when I try to save a particular class to the database. I'm not sure ... a.attisdropped ORDER BY a.attnum See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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851 views

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ruby on rails - nested form triggering a 'Can't mass-assign protected attributes warning

I've got a multi layer nested form User->Tasks->Prerequisites and in the same form User->Tasks->Location The ... %> </div> Any suggestions? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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893 views

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ruby on rails - i386 arch error installing old scrypt gem version with OS X Mojave

I'm trying to install an old gem version for an old project after a fresh install of OS X 10.14 Mojave and ... -trace) rake failed, exit code 1 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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844 views

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ruby - How to access cookies from ApplicationController (Rails)

I want to access cookies and then perform the same operation regardless of the action or controller. I don't want to ... I'm using Rails 2.3.5 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

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ruby - How to get a linux command output to chef attribute

I want to get a command output into a chef attribute. Can some one help me how to set that in execute ... use attributes in the above code.. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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ruby - How to sanitize raw SQL in Rails 4

In Rails 3 I could use sanitize_sql_array to sanitize raw SQL for those occassional moments where a raw ... Base.connection.select_all(query) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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955 views

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ruby on rails - Splitting Routes File Into Multiple Files

I'm working w/ a Rails 3 application and I want to split up the routes into separate files depending on the ... Error No route matches "/" See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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874 views

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ruby on rails - Paperclip Error: model missing required attr_accessor for 'avatar_file_name'

I then want to use Paperclip to have photos for each Listing. I added the appropriate code to the listings show. ... //i.imgur.com/c8KGTa3.png) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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ruby on rails - PUT method form_for

I am using the following to try and set a PUT method on the form but it is still doing a post. I have referred to ... , method: :put do |f| ... 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 - How can I preload concerns in a rails initializer using Rails 6/Zeitwerk?

I'm working with an initializer that does some monkey patching on app start by including some app concerns ... address this deprecation warning? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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838 views

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ruby on rails - 'ActiveRecord::Core::ClassMethods.find' call is deprecated

I'm using RubyMine 2016.1 and when I use the find(id) method of ActiveRecord it shows me this deprecation ... primary key is not deprecated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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ruby on rails - What order do before filters occur in?

What order do before filters occur in? Specifically, what order do the before_action filters occur in, in ... in the Rails documentation. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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991 views

1 answer

ruby on rails - Add Id column in a migration

I have a Rails app, where one of the models does not have the id column. Doing some research I found the migration that ... => true) do |t| 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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1.1k views

1 answer

ruby on rails - Removing or overriding an ActiveRecord validation added by a superclass or mixin

I'm using Clearance for authentication in my Rails application. The Clearance::User mixin adds a couple of validations to ... How do I do 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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804 views

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ruby - Getting a list of classes that include a module

I have a mixin for which I would like to get a list of all the classes that have included it. In the mixin ... #=> nil 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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