Recent questions tagged ruby

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ruby on rails - Decrypting a devise password

I need to decrypt a password generated by devise. For example, my password is test123test. devise generated ... password and send test123test. 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 - Rails 6: Zeitwerk::NameError doesn't load class from module

I have a file which looks like this #app/services/account/authenticate/base.rb module Account module Authenticate ... 6.0.0.rc2) 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 - Missing File in Gem after Build

TL;DR: Don't run bundle within an existing git repository. Weird things will happen without any error messages ... the reason for the weirdness. See Question&Answers more detail:os...

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

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937 views

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ruby on rails - How to copy a file using Paperclip

Does anyone know of a way to copy files with Paperclip using S3 for storage? Before I try to write my own, I ... a way to do this. 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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901 views

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ruby - Is Regexp.last_match thread safe?

This is the code that I'm looking at: def method_missing(id, *args) return self.find(Regexp.last_match ... with the method_missing method? See Question&Answers more detail:os...

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

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999 views

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ruby - Check to see if an array is already sorted?

I know how to put an array in order, but in this case I just want to see if it is in order. An ... in alphabetical order based on this string. See Question&Answers more detail:os...

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

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923 views

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ruby - Stop loading page watir-webdriver

Is there a way to stop loading a page with watir-webdriver on firefox? Or is there a way to force ... hang and the script eventually timeouts. See Question&Answers more detail:os...

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

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838 views

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ruby - Simplify multiple nil checking in Rails

How should I write: if @parent.child.grand_child.attribute.present? do_something without cumbersome nil checkings to ... present? Thank you. 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 - BCrypt says long, similar passwords are equivalent - problem with me, the gem, or the field of cryptography?

I've been experimenting with BCrypt, and found the following. If it matters, I'm running ruby 1.9.2dev ( ... What's the explanation for this? 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 - Bootstrap datepicker default value simple_form_for

I am using the bootstrap date picker to enable selection of dates in a form using simple_form_for. For example <%= f. ... on how I can do that? See Question&Answers more detail:os...

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

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933 views

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ruby on rails - Daemoninsing a rake task

I have a rake task which runs mailman under the rails environment. I'd like to ensure that rake task is ... would I go about daemonising that? 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 - How do I split a string by commas except inside parenthesis, using a regular expression?

I want to split a string by comma: "a,s".split ',' # => ['a', 's'] I don't want to split a sub-string if ... s(d,f)', 'g', 'h'] Any suggestion? See Question&Answers more detail:os...

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

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1.2k views

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ruby - is there a way to reference a constant in a yaml with rails?

Is there a way to have my en.yml file contain a constant? # en.yml foo: bar: I love BAZ so much! # ... > "I love stackoverflow.com so much!" See Question&Answers more detail:os...

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

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1.0k views

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ruby on rails - Erase records every 60 days

I need to erase records in my offers models if the record has more that 60 days from the created_at date. I ... has something else to do this. See Question&Answers more detail:os...

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

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768 views

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ruby - What is the purpose of `Kernel`?

What is the purpose of the Kernel module? What would change if all the things currently defined on Kernel were ... on Kernel or on Object? See Question&Answers more detail:os...

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

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765 views

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ruby on rails - What does :: do?

I have some inherited code that I am modifying. However, I am seeing something strange(to me). I see some code like ... 2.3.5 if that helps. See Question&Answers more detail:os...

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

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1.0k views

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ruby on rails - ActiveRecord, has_many :through, Polymorphic Associations with STI

In ActiveRecord, has_many :through, and Polymorphic Associations, the OP's example requests ignoring the possible ... is always SentientBeing. See Question&Answers more detail:os...

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

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895 views

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ruby on rails - Dynamic use of :default_url in Paperclip

I'm trying to configure Paperclip to provide different missing images based on the instance's category attribute. ... my own answer below. See Question&Answers more detail:os...

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

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951 views

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ruby - rails - postgres error: Reason: Incompatible library version: libpq.5.dylib requires version 1.0.0 or later,

I am stuck with the setup of Ruby (1.9.3), Rails and Postgres (9.0.8) on my Mac (10.6.8). Everytime ... version and I still get the same 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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882 views

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ruby on rails - On Heroku, Cedar, with Unicorn: Getting ActiveRecord::StatementInvalid: PGError: SSL SYSCALL error: EOF detected

Heroku support says this has to do with their version of libssl on shared databases, but we've encountered it ... I felt after their response. See Question&Answers more detail:os...

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

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1.0k views

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ruby on rails - limit the number of objects returned in a has_many

How can I limit the number of rows returned in a has many relationship? For example: class User < ActiveRecord:: ... want the top 3 returned. See Question&Answers more detail:os...

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

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705 views

1 answer

ruby on rails 3 - Factory Girl sequences not incrementing

I'm trying to get FactoryGirl to generate some names for me, but the sequence doesn't seem to increment. # ... sequence of names in my spec? See Question&Answers more detail:os...

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

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830 views

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ruby on rails - undefined method `plain_specs' for #<Bundler::RubygemsIntegration:0x00005633f09a9000> (NoMethodError)

I have made a pull of a project that I have in my work and when I tried to run rails db:migrate, the ... `<main>' I appreciate your help! See Question&Answers more detail:os...

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

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830 views

1 answer

ruby on rails 3 - Heroku error when launch rails3.1 app missing postgres gem

I am trying to deploy to heroku. Rails 3.1.0.rc4, I get the following error from Heroku logs: ... ::Installer::ExtensionBuildError) any ideas? See Question&Answers more detail:os...

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

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1.4k views

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ruby - How to correctly install RVM in Docker?

This is what I have in my Dockerfile: RUN gpg2 --keyserver hkp://keys.gnupg.net --recv-keys D39DC0E3 RUN ... installation. How can I fix that? See Question&Answers more detail:os...

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

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810 views

1 answer

ruby - How to specify the location of the chromedriver binary

Earlier I had put the Chrome binary, "chromedriver.exe", in the "C:/Windows" directory and Watir was ... location of the chromedriver.exe? See Question&Answers more detail:os...

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

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876 views

1 answer

ruby - rails sqlite adapter error

I'm following the instructions in rails tutorial and got stuck when trying to use the scaffold command. When running: ... 7 x64 OS. Any ideas? See Question&Answers more detail:os...

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

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870 views

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ruby - Cloning an array with its content

I want to make a copy of an array, to modify the copy in-place, without affecting the original one. This code ... if it were just a reference? See Question&Answers more detail:os...

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

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