Recent questions tagged Ruby

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I need to round up to the nearest tenth. What I need is ceil but with precision to the first decimal place. Examples ... I'm running Ruby 1.8.7. See Question&Answers more detail:os...

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

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712 views

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ruby - Could not connect: Lost connection to MySQL server at 'reading initial communication packet', system error: 0

I am running a Rails app so now I am trying to remote connect to MySQL and I am getting this error: ... communication packet', system error: 0 See Question&Answers more detail:os...

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

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791 views

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ruby - 403 Forbidden on Rails app w/ Nginx, Passenger

First off, apologies: I know the 403 Forbidden question is a common one for Rails/Nginx installs, but none ... , even after restarting Nginx. See Question&Answers more detail:os...

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

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352 views

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ruby on rails - How do I group by day instead of date?

ok so i have >> list = Request.find_all_by_artist("someBand") => [#<Request id: 1, artist: "someBand", song: "someSong ... 02:20 UTC +00:00, 2]] See Question&Answers more detail:os...

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

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674 views

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ruby on rails 3 - ActiveRecord Find All not sorting by ID?

I've got a strange issue on a Heroku deployment that I can't seem to duplicate locally. Basically when I ... objects in descending ID order? See Question&Answers more detail:os...

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

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787 views

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ruby on rails - can't delete object due to foreign key constraint

I'm trying to do a simple user.destroy but running into the following error: ERROR: update or delete on table " ... at all how to fix this. See Question&Answers more detail:os...

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

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516 views

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ruby on rails - Non persistent ActiveRecord model attributes

I want to add to an existing model some attributes that need not be persisted, or even mapped to a database ... solution to specify such thing ? See Question&Answers more detail:os...

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

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519 views

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ruby on rails - Is there a good HAML -> ERB/HTML converter?

I'm looking for a reliable way to convert a HAML template to an equivalent ERB/HTML template? Has anyone come across 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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374 views

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ruby on rails - Heroku: Error encountered while saving cache

Everything works fine locally, but when pushing to Heroku: Warning. Error encountered while saving cache /tmp/build_1b5c442a ... is Rails 3.2.11 See Question&Answers more detail:os...

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

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479 views

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ruby - Rails app in a subdirectory

Trying to set up a Rails app in a subdirectory. My server is Cherokee. I have a base url of: www.nonsense.com ... the equivalent in Rails 2.3.8? See Question&Answers more detail:os...

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

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625 views

1 answer

ruby on rails 3 - FactoryGirl: why does attributes_for omit some attributes?

I want to use FactoryGirl.attributes_for in controller testing, as in: it "raise error creating a new PremiseGroup for ... user do ... end end See Question&Answers more detail:os...

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

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283 views

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ruby on rails - How force that session is loaded?

I'm working on an application that needs to use session id information. My session is stored in cookies. ... /o/8/ucBFMgxGtiH7goKxkxeGctumyGQ="} See Question&Answers more detail:os...

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

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417 views

1 answer

ruby on rails - OmniAuth Strategies Facebook NoAuthorizationCodeError (must pass either a `code` parameter or a signed request (via `signed_request` parameter):

I am getting a error: OmniAuth::Strategies::Facebook::NoAuthorizationCodeError (must pass either a `code` ... sdk with facebook-omniauth See Question&Answers more detail:os...

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

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361 views

1 answer

ruby on rails - Template is missing

Currently working on a project, and have encountered a problem that I have never come across before. Currently ... /Documents/Project/app/views" See Question&Answers more detail:os...

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

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677 views

1 answer

ruby on rails - Activestorage fixtures attachments

In rails tests. I have a basic model with only activestorage: class User < ApplicationRecord has_one_attached : ... file through fixtures? See Question&Answers more detail:os...

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

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380 views

1 answer

ruby on rails - Issue when retrieving records with empty array

I have a table of around 100 Users and I also have an array of user ids. What I wanted to do is show all ... using Rails 3.2.5 with PostgreSQL. See Question&Answers more detail:os...

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

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336 views

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ruby - A method with an optional parameter

Is there a way to make a method that can accept a parameter, but can also be called without one, ... following? some_func(variable) some_func 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

1 answer

ruby - Find the newest record in Rails 3

I was wondering if there is a way to find the newest record in a table in rails3? See Question&Answers more detail:os...

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

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520 views

1 answer

ruby on rails - Combine two named scopes with OR (instead of AND)

I want to find all Annotations whose bodies are either: Equal to "?" or Like "[?]" What's the ... doesn't require breaking its abstraction. See Question&Answers more detail:os...

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

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518 views

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ruby on rails - Multiple non-nested model creation on same page

Is there a way to create multiple model on the same page that are not nested inside another? For instance, I ... can I achieve that using rails? See Question&Answers more detail:os...

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

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652 views

1 answer

ruby on rails - Passing parameters from view to controller

I got a bit of a newbie question. I'm trying to pass a variable from my view to my controller. Is there ... " end end 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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473 views

1 answer

ruby on rails - docker postgres with initial data is not persisted over commits

I created a rails app in a docker environment and it links to a postgres instance. I edited the postgres ... .hub.docker.com/_/postgres/ See Question&Answers more detail:os...

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

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1.2k views

1 answer

ruby - git, Heroku: pre-receive hook declined

I am in the process of setting up a git repository and attempting to link it to Heroku. When I run ... would be greatly appreciated. Thanks. See Question&Answers more detail:os...

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

0 votes

470 views

1 answer

ruby on rails - Setting session length with Devise

My sessions with devise timeout after 1-3 hours of non-use (not sure exactly how long). How can I adjust ... find a setting for this. 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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541 views

1 answer

ruby on rails 3 - Jquery modal windows and edit object

I am trying to create some modal windows to appear whenever the user wants to edit the object. I haven't ... and links are more than welcome! See Question&Answers more detail:os...

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

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544 views

1 answer

ruby - What is the opposite of string.next?

Is there a method in Ruby that does the opposite String#succ? If you run succ or next you get this: a = "4. ... docs. Maybe it doesn't exist? See Question&Answers more detail:os...

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

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356 views

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ruby - What are recursive arrays good for?

Ruby supports recursive arrays (that is, self-containing arrays): a = [] # => [] a << a # => [[...]] ... , but what work can you do with it? See Question&Answers more detail:os...

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

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347 views

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ruby regex: match and get position(s) of

I'd like to match a regex and get the position in the string of the match For example, "AustinTexasDallasTexas ... Is there anything like this? See Question&Answers more detail:os...

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

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