Recent questions tagged Ruby

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ruby on rails - Heroku: Unable to find chromedriver when using Selenium

I have a Ruby code that does this: browser = Watir::Browser.new(:chrome, switches: switches, headless: true) ... chromedriver 127.0.0.1:9515. 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 - Rails SQL query builder... Or ActiveRecord query builder

I need to run sql query like sql = 'SELECT * FROM users WHERE id != ' + self.id.to_s + ' AND id NOT ... Are there any gem to solve this problem? 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 setup a local SSL certificate and a Rails application?

This might be a two-in-one question. I have a Rails application for home/hobby usage, hosted on a ... bundle exec clockwork config/clock.rb See Question&Answers more detail:os...

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

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848 views

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ruby - How to Rename or Move Rails's README_FOR_APP

When I run rake doc:app in my Rails application root, the API docs are generated using /doc/README_FOR_APP as ... ? Why not just one? See Question&Answers more detail:os...

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

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760 views

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ruby on rails - Synchronize Android client and REST server

REST Server I created a Rails server that contains :users and associated :comments. It is used as a backend ... provider for users and comments. 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 - Googletagmanager with Turbolinks

Can someone explain how should we properly integrate Googletagmanager with Turbolinks? On normal pages we just copy/ ... for the first time) See Question&Answers more detail:os...

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

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940 views

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ruby on rails - How to redirect to a certain location in a page?

I have a blogging application with comments. Currently, the comments controller has a standard create action def ... helping out a newbie! See Question&Answers more detail:os...

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

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958 views

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ruby - Sharing an enumerator across threads

I want to call a common enumerator from different threads. When I do the following, enum = (0..1000).to_enum ... , that would satisfy my need. 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 - Rails 3 Cli executes commands really slow?

somebody knows why my rails 3.0.7 cli is so slow? when i run rails s or rails g it takes like 5sec ... the command... any advice? 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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897 views

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ruby - Determining which rubygem you're using

How can you determine which rubygem is being used in response to a "require" statement? gem which doesn't seem to ... using hmcgowan-roo-1.3.5. See Question&Answers more detail:os...

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

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994 views

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ruby - Sending raw XML using Savon 2

I'm trying to use Savon to send requests to a webservice. The service I'm consuming requires nested ... send raw xml without escaping? 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 - Include two inputs in same LI element in Formtastic

Using formtastic, I have a quantity field and unit field that asks for the quantity of the item and the unit it' ... to each other. Any ideas? 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

1 answer

ruby on rails - Stop ActiveRecord saving a serialized column even if not changed

This is very similar to Rails partial updates problem with hashes , but the question has not really been answered IMHO ... is under Rails 3.0.12 See Question&Answers more detail:os...

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

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798 views

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ruby - Opening several threads with watir-webdriver results in 'Connection refused' error

I have this simple example: require 'watir-webdriver' arr = [] sites = [ "www.google.com", "www.bbc. ... to understanding how threads 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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1.1k views

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ruby on rails - param is missing or the value is empty

I am new to Rails. Getting the error below. I understand what the issue is, but not sure how to fix it? ... .btn-primary{type: "submit"} Save 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 - How to change the locale through URL?

In my bi-lingual Rails 4 application I have a LocalesController like this: class LocalesController < ApplicationController ... for any 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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1.0k views

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ruby - Eliminate consecutive duplicates of list elements

What is the best solution to eliminate consecutive duplicates of list elements? list = compress(['a','a','a','a' ... end.compact end Ruby 1.9.2 See Question&Answers more detail:os...

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

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800 views

1 answer

ruby - rails error method_missing': undefined method `this' for Gem::Specification

I follow this tutorial: https://guides.spreecommerce.com/developer/getting_started_tutorial.html#installing-image-magick ... solve my problem 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 - How does ActiveRecord define methods compared to attr_accessor?

ActiveRecord seems to define instance methods differently than attr_accessor. attr_accessor doesn't seem to define a ... com/a/4371458/586000 See Question&Answers more detail:os...

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

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878 views

1 answer

ruby on rails - generate activerecord schema from an existing table

Does anyone know of a way to do this? I have an existing table that I created with sql and I would like ... reproduce the table (minus the data) 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

1 answer

ruby - Can't get to work CocoaPods and Yosemite

I already tried this steps: Open Xcode 6 Open Preferences Click the Locations tab Change the Command Line Tools version ... pod:23:in `<main>' See Question&Answers more detail:os...

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

0 votes

798 views

1 answer

ruby - Why does Rails 4.2 + responders keeps telling me to add responders to the Gemfile?

I'm upgrading a Rails 4.1.8 app (also using rails-api ~> 0.3.1) to 4.2.0.rc2 and would like ... make a request, not just during testing. See Question&Answers more detail:os...

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

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926 views

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ruby - Generate all "unique" subsets of a set (not a powerset)

Let's say we have a Set S which contains a few subsets: - [a,b,c] - [a,b] - [c] - [d,e,f ... grateful for a Pseudo-code, Ruby or Erlang example. See Question&Answers more detail:os...

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

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956 views

1 answer

ruby on rails - Adding existing has_many records to new record with accepts_nested_attributes_for

The error "Couldn't find Item with ID=123 for Payment with ID=" occurs when adding existing Item models to ... I'm open to 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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1.6k views

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ruby on rails - Cannot assign requested address - bind(2) (Errno::EADDRNOTAVAIL)

I am using rail for teambox at centos 6.3 server, actually this is just a trial and error before applying ... :EADDRNOTAVAIL) please help me out See Question&Answers more detail:os...

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

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860 views

1 answer

ruby - Scanning for Unicode Numbers in a string with d

According to the Oniguruma documentation, the d character type matches: decimal digit char Unicode: General_Category -- ... make it do so? 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 4 - Strong parameters for nested attributes returns "unpermitted parameters" when empty array

Assuming a User model using Rails4 with strong_parameters. class User < ActiveRecord::Base has_secure_password ... bug ? Cheers See Question&Answers more detail:os...

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

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705 views

1 answer

ruby on rails - Undefined method "reorder" for #<Array:0xbc38600> using ActiveAdmin

I have a problem with ActiveAdmin using Ruby ruby 1.9.2p290 and Ruby on Rails 3.2.1. I used this ... actionpack (3.2.1) lib/action_dispatch/middleware/best_standards_support.rb:17:...

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

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