ruby

问题 I'm trying to render a form depending on which checkbox has been ticked. I want to use an if statement with the checkbox's id in the condition, but rails is throwing up an error 'undefined method tab1. Is there a way to target html in an if statement? thanks <input id="tab1" type="radio" name="tabs" checked> <label class="label-header" for="tab1"> UK Address</label> <input id="tab2" type="radio" name="tabs"> <label class="label-header"for="tab2"> International Address </label> <!-- <section

问题 I am running into some trouble installing Ruby 2.2.2 on macOS Big Sur. Has anyone had a similar issue that they were able to resolve? Many thanks 🙏 Error: `Downloading openssl-1.0.2u.tar.gz... -> https://dqw8nmjcqpjn7.cloudfront.net/ecd0c6ffb493dd06707d38b14bb4d8c2288bb7033735606569d8f90f89669d16 Installing openssl-1.0.2u... Installed openssl-1.0.2u to /Users/findum/.rbenv/versions/2.2.2 Downloading ruby-2.2.2.tar.bz2... -> https://cache.ruby-lang.org/pub/ruby/2.2/ruby-2.2.2.tar.bz2

问题 I am running into some trouble installing Ruby 2.2.2 on macOS Big Sur. Has anyone had a similar issue that they were able to resolve? Many thanks 🙏 Error: `Downloading openssl-1.0.2u.tar.gz... -> https://dqw8nmjcqpjn7.cloudfront.net/ecd0c6ffb493dd06707d38b14bb4d8c2288bb7033735606569d8f90f89669d16 Installing openssl-1.0.2u... Installed openssl-1.0.2u to /Users/findum/.rbenv/versions/2.2.2 Downloading ruby-2.2.2.tar.bz2... -> https://cache.ruby-lang.org/pub/ruby/2.2/ruby-2.2.2.tar.bz2

问题 I am running into some trouble installing Ruby 2.2.2 on macOS Big Sur. Has anyone had a similar issue that they were able to resolve? Many thanks 🙏 Error: `Downloading openssl-1.0.2u.tar.gz... -> https://dqw8nmjcqpjn7.cloudfront.net/ecd0c6ffb493dd06707d38b14bb4d8c2288bb7033735606569d8f90f89669d16 Installing openssl-1.0.2u... Installed openssl-1.0.2u to /Users/findum/.rbenv/versions/2.2.2 Downloading ruby-2.2.2.tar.bz2... -> https://cache.ruby-lang.org/pub/ruby/2.2/ruby-2.2.2.tar.bz2

问题 I am running into some trouble installing Ruby 2.2.2 on macOS Big Sur. Has anyone had a similar issue that they were able to resolve? Many thanks 🙏 Error: `Downloading openssl-1.0.2u.tar.gz... -> https://dqw8nmjcqpjn7.cloudfront.net/ecd0c6ffb493dd06707d38b14bb4d8c2288bb7033735606569d8f90f89669d16 Installing openssl-1.0.2u... Installed openssl-1.0.2u to /Users/findum/.rbenv/versions/2.2.2 Downloading ruby-2.2.2.tar.bz2... -> https://cache.ruby-lang.org/pub/ruby/2.2/ruby-2.2.2.tar.bz2

问题 I am running into some trouble installing Ruby 2.2.2 on macOS Big Sur. Has anyone had a similar issue that they were able to resolve? Many thanks 🙏 Error: `Downloading openssl-1.0.2u.tar.gz... -> https://dqw8nmjcqpjn7.cloudfront.net/ecd0c6ffb493dd06707d38b14bb4d8c2288bb7033735606569d8f90f89669d16 Installing openssl-1.0.2u... Installed openssl-1.0.2u to /Users/findum/.rbenv/versions/2.2.2 Downloading ruby-2.2.2.tar.bz2... -> https://cache.ruby-lang.org/pub/ruby/2.2/ruby-2.2.2.tar.bz2

问题 Getting the following error: Compiling failed with this error: Errno::EROFS on line ["239"] of /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/fileutils.rb: Read-only file system @ dir_s_mkdir - /.sass-cache Run with --trace to see the full backtrace Really painful, any help would be appreciated. Happened after my update to Mac OS Catalina. Currently on 10.15.1 (19B88). 回答1: Ruby Sass is deprecated. In Codekit 3 you should use libsass compiler instead. Libsass is not

问题 Getting the following error: Compiling failed with this error: Errno::EROFS on line ["239"] of /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/fileutils.rb: Read-only file system @ dir_s_mkdir - /.sass-cache Run with --trace to see the full backtrace Really painful, any help would be appreciated. Happened after my update to Mac OS Catalina. Currently on 10.15.1 (19B88). 回答1: Ruby Sass is deprecated. In Codekit 3 you should use libsass compiler instead. Libsass is not

问题 I have an xml element looking something like this: <Description> <ID>1234</ID> <SubDescription> <subID>4501</subID> </SubDescription> <SubDescription> <subID>4502</subID> </SubDescription> </Description> How can I delete the entire "Description" element according to the value of its "ID" child? 回答1: You can use the following xpath to select Description nodes that contain an ID node with value 1234: //Description[./ID[text()='1234']] So to remove the node, you can do: doc.xpath("//Description[

问题 I found this answer here which should be able to solve my problem but turns out that answer is for a one to many association. Btw, i'm using Rails 5.2 In my many to many, I have a Task model which has_many test_methods through tasks_test_methods where tasks_test_methods is a join table. class Task < ApplicationRecord has_many :tasks_test_methods, inverse_of: :task, :dependent => :destroy has_many :test_methods, :through => :tasks_test_methods accepts_nested_attributes_for :tasks_test_methods,