Recent questions tagged ruby

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511 views

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ruby - What's the best way to search for a string in a file?

The title speaks for itself really. I only want to know if it exists, not where it is. Is there a one liner to achieve 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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951 views

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ruby - Case-insensitive Array#include?

I want to know what's the best way to make the String.include? methods ignore case. Currently I'm doing ... elements of the array are strings. See Question&Answers more detail:os...

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

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628 views

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ruby on rails - Execute a Rake task from within migration?

I have a Rake task that loads configuration data into the DB from a file, is there a correct ruby/rails way ... /cfop' Where it went wrong? 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 - Test whether a variable equals either one of two values

I want to test whether a equals 1 or 2 I could do a == 1 || a == 2 but this requires repeating ... wondering how do to this with idiomatic ruby See Question&Answers more detail:os...

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

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632 views

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ruby on rails 3.1 - What does require_self mean?

In rails3.1 application.css we could see /* *= require_self *= require_tree . */ I know that require_tree ... But what does require_self tells? See Question&Answers more detail:os...

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

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821 views

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ruby - Rails 4 how to ignore pending migrations

Problem is following: I have db/seed.rb full of initial data. One of migrations depends on data this seed provides. ... def change ... 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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806 views

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ruby DateTime parsing from 'mm/dd/yyyy' format

I am using ruby 1.9.3 and want to get Date or Time object from 'mm/dd/yyyy' date format ... ArgumentError Exception: argument out of range See Question&Answers more detail:os...

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

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432 views

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ruby - Create array of n items based on integer value

Given I have an integer value of, e.g., 10. How can I create an array of 10 elements like [1,2,3,4,5,6,7,8,9,10]? See Question&Answers more detail:os...

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

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493 views

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ruby on rails - OmniAuth + Pulling Tweets, FB Places, etc

I'm using OmniAuth + Devise to allow users to register using Facebook/Twitter/Gowalla/etc attached to normal user ... Help is very much needed. See Question&Answers more detail:os...

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

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560 views

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ruby on rails - Rails3 not reloading code in lib while in development mode

THE SITUATION: I have code in lib/foo/bar.rb with a simple method defined as such: module Foo class Bar def ... me what I'm missing? 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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754 views

1 answer

ruby - Rails Controller Namespace

What are advantages and disadvantages of using namespace in ruby on rails. For example: I've many controllers like ... best practice 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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620 views

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ruby on rails - Windows 7 64-bit: Could not find a valid gem 'compass' (>= 0), here is why: Unable to download data from https://rubygems.org/

I cannot install compass. I want to install compass on my project so when I try to update, I get this: c: ... => 481 irb(main):005:0> See Question&Answers more detail:os...

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

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549 views

1 answer

ruby on rails - RoR differences between :url, :action, :method in form_for

There might be answers in documentation, but i don't seem to find good answers. So among the three :url, : ... when used in form_for 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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632 views

1 answer

ruby - How mix in routes in Sinatra for a better structure

I found nothing about how I can mix-in routes from another module, like this: module otherRoutes get "/route1" ... end end Is that possible? See Question&Answers more detail:os...

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

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610 views

1 answer

ruby - Given the session key and secret, how can we decrypt Rails cookies?

I've got a question about how Rails handles cookie encryption/decryption. I've got this in my config/ ... any tips/pointers/insight, Joe See Question&Answers more detail:os...

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

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539 views

1 answer

ruby - Is RVM production ready?

RVM is great for developing on your local machine. But is it safe on a production machine? See Question&Answers more detail:os...

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

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793 views

1 answer

ruby on rails - PG::ConnectionBad FATAL: role "Myname" does not exist

I am trying to use PostgreSQL so that I can deploy to Heroku. However I cannot run localhost anymore why? I get ... windows btw) What can I do? See Question&Answers more detail:os...

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

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769 views

1 answer

ruby on rails - The website is under heavy load + ROR

We are running a website with ROR on CentOS 6 with 2 web server and 1 database server. Some times it shows message ... 540M Last used: 7h 59m 5 See Question&Answers more detail:os...

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

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580 views

1 answer

ruby on rails - Clear Memcached on Heroku Deploy

What is the best way to automatically clear Memcached when I deploy my rails app to Heroku? I'm caching the ... each time I deploy. 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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669 views

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ruby - How do I do basic authentication with RestClient?

Does anyone know how to do basic authentication with RestClient? I need to create a private repository on GitHub through their RESTful API. 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

1 answer

ruby on rails - Iterating between two DateTimes, with a one hour step

I'm looking for an efficient way, in Ruby 1.9.x/Rails 3.2.x, to iterate between two DateTime objects, ... either Ruby's or Rails' documents. See Question&Answers more detail:os...

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

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787 views

1 answer

ruby on rails - Simple form association custom label name

I have been struggling with what I perceive to be a simple problem: Working in Rails 3.0.8 with the ... appreciated; thanks in advance. DJ See Question&Answers more detail:os...

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

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741 views

1 answer

ruby on rails - Turn off transactional fixtures for one spec with RSpec 2

How do I turn off transactional fixtures for only one spec (or Steak scenario) with RSpec 2? I tried some things ... end What else could I try? See Question&Answers more detail:os...

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

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617 views

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ruby on rails - Is there a way to list all belongs_to associations?

I need to list all belongs_to associations in a model object and iterate through them. Is there a way 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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478 views

1 answer

ruby on rails 3 - When using shallow routes, different routes require different form_for arguments

I'm using Simple Form here, but this is an issue with normal Rails forms, too. When using shallow routes, ... head :no_content } 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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467 views

1 answer

ruby on rails - Where do you put your Rack middleware files and requires?

I'm in the process of refactoring some logic built into a Rails application into middleware, and one annoyance I' ... and loaded in config.ru. See Question&Answers more detail:os...

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

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678 views

1 answer

ruby - Rebase Rails migrations in a long running project

In which I mean "rebasing" in the dictionary, rather than git definition... I have a large, long running Rails ... it seems silly to keep it. See Question&Answers more detail:os...

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

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544 views

1 answer

ruby on rails - Difficulties installing mysql gem on Ubuntu

I am trying to install the mysql 2.8.1 gem. I would be using it to build a Rails 2.0.2 application ... :~/Downloads$ Thanks for 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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