Recent questions tagged Ruby

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ruby - Rails, PostgreSQL, and History Triggers

SO... I am adding history tables populated by triggers for auditing in my project via something like... execute ... be very helpful. Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - Equivalent of strftime in Postgres

After migrating my SQLite database to Postgres on the development server, I get the PG::UndefinedFunction: ERROR: function ... m) end Thank you! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - base64 photo and paperclip -Rails

I want to handle a base64 photo with paperclip. When I try: photo = Photo.new string = base64string photo.photo ... . Why? Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - Ransack sort on count of HABTM or HMT associated records

I have a HABTM relationship between the Theme and Quote models. The themes index view displays the count of ... will be greatly appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - Read and write YAML files without destroying anchors and aliases

This question has been asked before: Read and write YAML files without destroying anchors and aliases? I was ... anchors and aliases? thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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646 views

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ruby on rails - Call controller from rake task

I would like to call controller action from rake task. My question is what method is the best to ... such file -- action_controller/integration See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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714 views

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ruby - rails subdomain on localhost

I would like to test subdomains on localhost. I have following instructions: Before starting the server to run the ... I solve this, please? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - Error "no such file to load" -- sqlite3/sqlite3_native (LoadError)

My OS is Windows 7. My problem is that when I try to run rails server, an error occurs. I have installed the ... script/rails:6:in `<main>' See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - Why isn't `method=` treated the same as any other method?

Consider the following code snippet: class Example def my_attr=(value) @_my_attr = value @_my_attr * 3 end end ... calling a method directly. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - Never render a layout in response to xhrs

Most of the time I don't want to render a layout when the request comes from AJAX. To this end I've been ... in which I want to use one.) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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301 views

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ruby - Heroku and Rails: Gem Load Error with Postgres, however it is Specified in GEMFILE

So I am trying to deploy a small project to Heroku, however when I deployed it and tried to run heroku run ... occurred. Thanks for helping :) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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470 views

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ruby on rails - Why can't my Capybara/Poltergeist test select from a jQuery autocomplete field?

UPDATE: I have fixed this problem after lots of painstaking work on my own. I am happy to be a resource to ... () -> $.ajax(add_listing_hash) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - Run RSpec tasks in a specific order

I have a bunch of RSpec Rake tasks defined that I'd like to run in a specific order when I run the ... task dependencies for RSpec Rake tasks? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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740 views

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ruby - RSpec: stubbing Kernel::sleep?

Is there a way to stub Kernel.sleep in an rspec scenario? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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359 views

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ruby - Convert time to other timezone

I have a datestring in this format yyyy-mm-ddThh:mm:ss[Z] And i have a timezone string. for e.g "Asia/ ... 1.8.6/Time.html#method-c-mktime . See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - Variable scope and order of parsing vs. operations: Assignment in an "if"

My understanding is that the if statements at the end of the line are evaluated before the code at the front of ... end Now I'm really confused. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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733 views

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ruby on rails - GroupingError: ERROR: column " " must appear in the GROUP BY clause or be used in an aggregate function

I am trying to create a list of unique patients who have left comments. The code words fine until I upload ... and go over my experience level. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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418 views

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ruby on rails - heroku not loading language file

Heroku does not seem to be loading config/locales/pt.yml. (Language is being set correctly to pt.) I18n is ... up on the last comment either. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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565 views

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ruby - Node.js not found by Rails / execjs

I have node.js installed by compiling and installing it from the root user. I think this maybe where the ... after downloading it from nivo. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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494 views

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ruby - How to make Nokogiri transparently return un/encoded Html entities untouched?

How can I use Nokogiri with having html entities (like German umlauts) untouched? I.e.: # this is fine ... behave like above. Any pointers? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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645 views

1 answer

ruby on rails - What is an Illegal octal digit?

I'm trying to make an array of zip codes. array = [07001, 07920] This returns : array = [07001, ... Never seen this before. Any workarounds? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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319 views

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ruby on rails 3 - ruby_threadptr_data_type error

I'm starting up a new rails app with the latest version of rails (3.1.3). Rails crashes ... .so: undefined symbol: ruby_current_thread See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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661 views

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ruby on rails - in `require': no such file to load -- iconv (LoadError)

? expertiza git:(master) ? ruby -v ruby 1.8.7 (2011-06-30 patchlevel 352) [i686-darwin11.1.0] ? ... ?. Nothing works. Please help! Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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387 views

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ruby on rails - has_many :through with counter_cache

It is my understanding that when defining a :counter_cache option it is to be specified on the model that includes ... FYI: Rails 3.1 Cheers See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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512 views

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ruby on rails - Possibility of mapping enum values to string type instead of integer

Enum attributes are great and I want to use them. But mapping enum values to integer would make it hard to ... map enum to strings by default? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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525 views

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ruby - How can I check a word is already all uppercase?

I want to be able to check if a word is already all uppercase. And it might also include numbers. Example: GO234 => yes Go234 => no See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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420 views

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ruby on rails - Using rubyzip error - no such file to load -- zip/zip

I know there is another thread on this subject but I still face this problem even after using all solutions. Is ... you please help me? Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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568 views

1 answer

ruby on rails - Keep form fields filled after an error (RoR)

After validation, I got an error and I got returned back to :action => :new. Some field on form already filled, so ... too. How it can be done? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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