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    The title is pretty self-explanatory. Is there any way to get the headers (except for Rack::Request.env[])? See Question&Answers more detail:os...
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    what is the difference between resource and resources in rails routing resource :geocoder and resources :posts ... difference between them ? See Question&Answers more detail:os...
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    I have the following migration and I want to be able to check if the current database related to the environment ... :users, :email_hash end 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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    We are using state_machine ( https://github.com/pluginaweek/state_machine ) in a project and would like to offer ... of text somewhere. 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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    Please help me get all instance variables declared in a class the same way instance_methods shows me all methods available ... me @ab @ac... See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a simple task of accessing the values of some attributes. This is a simple script that uses Nokogiri:: ... puts would cause this error. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    This is a simple one, I hope. How do I check, in the following example, if a constant is already ... 1 uninitialized constant CONST (NameError) See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I write this post just to see if I can get some clarifications regarding email sending concepts in an AWS EC2 ... any email client or server? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Amazon Web Service has now a worker tiers in their Elastic Beanstalk. But, it nevertheless confuse us who come from ... help us in this matter. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    According to Heroku documentation: Heroku now caches 50mb worth of tmp/cache/assets which is a cache directory for ... because of the cache. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to create a tree structure with graphviz. I am open to either writing ... =1lUTfgKP_LN0x7C3ItbsFjfLBuDTL84AtmoaW7YFn32Y&w=1036&h=713 See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    string = "Jack and Jill went up the hill to fetch a pail of water. Jack fell down and broke his crown ... pattern and their indices (positions)? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    What is the best way to upload an image from a client to a Rails backend using Carrierwave. Right now our ... I deal with them in carrierwave? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have successfull written a little Sinatra application and already successfully deployed it on heroku. However I want ... ' from config.ru:10 See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    In my app, only admins can create new User records. The user is emailed an activation link where they set their ... the others I've added? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    When using bundler with a project in general and Rails specifically, you have access only to gems defined in your ... require 'fivemat' => 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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    How do I redirect http://vinderhimlen.dk to http://www.vinderhimlen.dk ? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Here I'm using Devise Gem for authentication. If someone want to open page without login then it redirect to ... this page after signed in. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to pass the parameter of the current page(id) to the next page so I can create a dependent model entry. ... come I can't pass the id? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    When a user tries to create a record with a name that already exists, I want to show an error message like: ... the value of the name attribute See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to solidify my understanding of rails and the BDD workflow, so I wanted to start small by creating one of ... if I'm wrong - 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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    I'm using this regex in my model to validate an URL submitted by the user. I don't want to force ... experience with validation and regex.. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    This is my array [{:amount=>10, :gl_acct_id=>1, :alt_amount=>20}, {:amount=>20, :gl_acct_id=>2 , :alt_amount=> ... or {:amount = 30} Any idea? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    How can I remove <img> tags using Nokogiri? I have the following code but it wont work: # str = '<img src=" ... do |node| node.remove end puts 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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    At the moment, I have a sidekiq job like this: class SyncUser include Sidekiq::Worker def perform(user_id) ... to execute the job immediately? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm using rails and I want to make it so that attr_accessor :politics is set, by default, to false. Does anyone ... it in simple terms for me? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm working on a private apis for our backend. I have collections that have associations. Each collection can be ... url schemes ? 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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    If I have an international phone number such as this: 0541754301 how can I format it to produce something like this: 0541-754-301 See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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