Recent questions tagged Ruby

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ruby - Rails forms for has_many through association with additional attributes?

How can I generate form fields for a has_many :through association that has additional attributes? The has_many : ... for generating my forms. See Question&Answers more detail:os...

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

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400 views

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ruby - Digital signature verification with OpenSSL

How can I verify CMS/PKCS #7 messages using OpenSSL in Ruby? PKCS #7 message is used as a digital signature ... [], OpenSSL::PKCS7::DETACHED) See Question&Answers more detail:os...

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

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816 views

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ruby on rails - How to combine overlapping time ranges (time ranges union)

I have an array with several time ranges inside: [Tue, 24 May 2011 08:00:00 CEST +02:00..Tue, 24 May 2011 ... , but I need some guidance here... See Question&Answers more detail:os...

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

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465 views

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ruby - Rails on Windows is so slow (rails -v takes 4 seconds)

I'm using rails Version 3.0.3 and ruby Version 1.9.2p136 (2010-12-15) on a Intel Core 2 Duo 2,6 Ghz ... idea how to proceed? 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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440 views

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ruby - How do I get Sinatra to refrain from adding the X-Frame-Options header?

I am using Sinatra to return some IFRAME contents, and I'd like to allow cross-domain src. Unfortunately, Sinatra is ... How do I turn that off? See Question&Answers more detail:os...

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

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570 views

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ruby on rails - How to avoid deprecation warning for stub_chain in RSpec 3.0?

When I run a test with stub_chain, I'll get a deprecation warning. describe "stubbing a chain of methods" do ... this warning can be avoided? See Question&Answers more detail:os...

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

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369 views

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ruby - Rails and OS X: How to install rmagick?

I am already completely desperate - I spent whole day with trying to install rmagick gem to Mac OS X Lion, but ... issue? Thank you so much! See Question&Answers more detail:os...

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

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410 views

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ruby - Encoding::UndefinedConversionError

I keep getting an Encoding::UndefinedConversionError - "xC2" from ASCII-8BIT to UTF-8 every time I try to convert ... ) without luck. 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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777 views

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ruby - How to save a hash into a CSV

I am new in ruby so please forgive the noobishness. I have a CSV with two columns. One for animal name and one ... to the file the same way? See Question&Answers more detail:os...

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

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601 views

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ruby - Rails: How to use dependent: :destroy in rails?

I have 2 models as describes below. class EmpGroup < ActiveRecord::Base belongs_to :user has_many :emp_group_members, ... What I'm 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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621 views

1 answer

ruby - CSV.read Illegal quoting in line x

I am using ruby CSV.read with massive data. From time to time the library encounters poorly formatted lines, for ... How can 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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476 views

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ruby - Unexpected Return (LocalJumpError)

What is the problem with this Ruby 2.0 code? p (1..8).collect{|denom| (1...denom).collect{|num| r = ... m trying to return from the inner block. See Question&Answers more detail:os...

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

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417 views

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ruby on rails - How can I specify the order that before_filters are executed?

Does rails make any guarantees about the order that before filters get executed with either of the following usages: ... 'd appreciate 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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414 views

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ruby on rails - Dynamically load Google Maps Markers with gmaps4rails

How do I load only markers that are inside the map bounds with gmaps4rails? And of course load new ones after ... and zoomlevel of the map? See Question&Answers more detail:os...

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

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568 views

1 answer

ruby on rails 3 - Changes in the form are not saved to database

I'm trying to add a date field to my form. I added bootstrap-datepicker-rails gem, all required css and javascript. ... 1, "autoclose": true}); See Question&Answers more detail:os...

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

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650 views

1 answer

ruby - Gem install error (sass compass)

When I want to install sass and compass, I get this message. Can someone help me? Microsoft Windows [version 6.1. ... UTF-16LE to UTF-8 to CP850 See Question&Answers more detail:os...

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

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517 views

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ruby on rails - Nested queries in Arel

I am attempting to nest SELECT queries in Arel and/or Active Record in Rails 3 to generate the following SQL ... doesn't use nested queries? See Question&Answers more detail:os...

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

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700 views

1 answer

ruby on rails - Devise - how to change setting so that email addresses don't need to be unique

I set up Devise to log in with a username instead of email address because a significant number of our users share ... i can use to change 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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699 views

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ruby on rails - Trying to set up postgres for ror app, getting error - fe_sendauth: no password supplied

Getting: An error has occurred: Error connecting to the server: fe_sendauth: no password supplied Settings in database ... about my Pg install. See Question&Answers more detail:os...

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

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424 views

1 answer

ruby on rails - Problem sending multipart mail using ActionMailer

I'm using the following code to send emails in rails: class InvoiceMailer < ActionMailer:: ... --mimepart_4a5b035ea0d4_769515bbca0ce9b412a-- See Question&Answers more detail:os...

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

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434 views

1 answer

ruby on rails - rvmsudo vs sudo?

I just moved to RVM. sudo bundle install gives me and error:- sudo bundle install /usr/local/rvm/rubies/ruby ... screen. Can anybody explain.. See Question&Answers more detail:os...

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

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502 views

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ruby - What are the differences between "private", "public", and "protected methods"?

I'm learning Ruby, and have come up to a point where I am confused. The book I am using is talking ... What are the differences between each? See Question&Answers more detail:os...

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

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601 views

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ruby - Testing STDOUT output in Rspec

I am trying to build a spec for this statement. It is easy with 'puts' print "'#{@file}' doesn't exist: Create Empty File (y/n)?" See Question&Answers more detail:os...

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

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457 views

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ruby - Setting Elastic search limit to "unlimited"

How can i get all the results from elastic search as the results only display limit to 10 only. ihave got a query ... want to get all 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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555 views

1 answer

ruby on rails - How do I confirm a javascript popup with Capybara?

I've tried several examples found online, but with no luck. I am looking to confirm the confirm message of a delete ... { return true; }') 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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633 views

1 answer

ruby on rails - Turn off layout for one of action

My situation: View action of ReportsController should render pure html, but not as a file (to view it in browser ... end end What should I do? See Question&Answers more detail:os...

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

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469 views

1 answer

ruby on rails - Faker is producing duplicate data when used in factory_girl

I'm trying to populate some fake data into a factory using the Faker gem: Factory.define :user do |user| ... not just reuse the original ones? See Question&Answers more detail:os...

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

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430 views

1 answer

ruby - Spinning Background Tasks in Rails

What is the preferred way to create a background task for a Rails application? I've heard of Starling/ ... activities occurring on my site. See Question&Answers more detail:os...

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

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