Recent questions tagged ruby

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Being relatively new to Chef, I am required to create libraries or definitions from existing recipes. There ... resource within my library? 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 - Facebook token expiration and renewal, with Koala and omniauth-facebook

I'm writing a Rails app that uses omniauth-facebook to authenticate the user against FB (and to get a FB ... token myself from a Koala call? See Question&Answers more detail:os...

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

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293 views

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ruby on rails 3 - bundle install problem: mysql.h is missing

in my mac OSX 10.6 32 bit, I can install mysql2 gem quite easily, but not in mini mac 10.6 64bit server. I ... 2-p180/bin/bundle:19:in `<main>' 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 - Error installing Nokogiri on bundle install but already installed

I'm having issues with bundling my Gemfile. I have Nokogiri installed already yet when I run bundle install it ... platforms: [:mingw, :mswin] 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 - Difference between render :action and render :template

What is the difference between render :action => "new" and render :template => "users/new"? I have heard ... is the view page itself enough? See Question&Answers more detail:os...

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

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326 views

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ruby - Difference between truncation, transaction and deletion database strategies

What is the difference between truncation, transaction and deletion database strategies when using Rspec? I can't ... just slow down 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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ruby on rails - Error while installing Nokogiri (1.6.7) on El Capitan

One of my developers have updated Nokogiri, and when pulling the updated Gemfile my bundle install fails. ... Nokogiri installation to succeed? 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 - I have a Rails task: should I use script/runner or rake?

For ad hoc Rails tasks we have a few implementation alternatives, chief among which would seem to be ... framework without deprecation warnings? 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 - Why flash message won't disappear?

I am doing some exception handling in my controller, when there is an exception thrown in :create action, I ... blank? #alert= flash[:alert] 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 - Checking if a variable is an integer

Does Rails 3 or Ruby have a built-in way to check if a variable is an integer? For example, 1.is_an_int ... .net".is_an_int #=> false? See Question&Answers more detail:os...

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

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673 views

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ruby on rails - Bundler cannot install any gems without sudo

I'm trying to install a rails app and every time I use bundle it fails without sudo. My current situation is ... rvm 170 Jan 10 19:55 wrappers See Question&Answers more detail:os...

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

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364 views

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ruby on rails - Routing to static html page in /public

How can I route /foo to display /public/foo.html in Rails? See Question&Answers more detail:os...

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

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680 views

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ruby on rails - ActiveRecord find and only return selected columns

edit 2 If you stumble across this, check both answers as I'd now use pluck for this I have a fairly ... only the attributes I want included? See Question&Answers more detail:os...

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

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341 views

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ruby - gem install pg doesn't work on OSX Lion

There are variations of this question bouncing around SO, but none of them seem to have an answer that solves my ... sqlite3 gem in the past. See Question&Answers more detail:os...

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

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479 views

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ruby - Rails ActiveSupport Time Parsing?

Rails' ActiveSupport module extends the builtin ruby Time class with a number of methods. Notably, there is the ... to write it myself? 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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518 views

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ruby on rails - Best way to export a database table to a YAML file?

I have some data in my development database that I would like to utilize as fixtures in my test environment. What ... table to a YAML fixture? See Question&Answers more detail:os...

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

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437 views

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ruby on rails - file upload without activerecord

How do you handle file upload in rail without attaching them to active record ? I just want to write the files to the disk. 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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503 views

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ruby on rails - How can I get url for paperclip image in to_json

I have a model that uses paperclip like this: has_attached_file :avatar, :styles => { :large => "100x100>" ... :name,:homephone,:cellphone]) 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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716 views

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ruby - How to merge array of hashes to get hash of arrays of values

This is the opposite of Turning a Hash of Arrays into an Array of Hashes in Ruby. Elegantly and/or efficiently turn an ... phrogz3(h) } } } 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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429 views

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ruby - Is "extend self" the same as "module_function"?

extend self and module_function are two ruby ways to make it so you can call a method on a module and also ... the end results of those ways? See Question&Answers more detail:os...

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

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446 views

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ruby on rails - How can I pass a parameter for gem installation when I run bundle install?

I added the pg gem to my gemfile gem 'pg' When I run bundle install, I get this error: Installing pg (0. ... do this when I use bundle 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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536 views

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ruby on rails - A copy of xxx has been removed from the module tree but is still active

I'm pretty sure the error has nothing to do with the actual content of the TenantIdLoader module. Instead, it ... tenant_id') end end 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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752 views

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ruby - Rails hidden field undefined method 'merge' error

I wanna do something like this in rails Here is what I have so far in rails: <%= form_for @order do |f ... values in my hidden_field in rails? See Question&Answers more detail:os...

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

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571 views

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ruby - How to get Readline support in IRB using RVM on Ubuntu 11.10

I have tried everything I can think of to get this to work, to no avail so here I am requesting ... : cannot access parent directories: No such file or directory Removing...

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

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321 views

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ruby - Using factory_girl in Rails with associations that have unique constraints. Getting duplicate errors

I'm working with a Rails 2.2 project working to update it. I'm replacing existing fixtures with ... (:added_profiles_product))] 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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557 views

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ruby on rails - How to avoid precompiled assets being served in development mode?

I prefer not to concatenate JavaScript files in development mode, but serve them as individual files. So I ... assets in development mode? See Question&Answers more detail:os...

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

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366 views

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ruby on rails - How do I find out which gem has a specific dependency?

I commented out a gem, but 'bundle install' still won't run. How do I find out which gem has a dependency ... /bundler/blob/1-2-stable/ISSUES.md See Question&Answers more detail:os...

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

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586 views

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ruby - How to suppress Rails console/irb outputs

I was testing some DB entries in our production server in Rails Console where almost all the commands were ... the console/irb screenfuls? See Question&Answers more detail:os...

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

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