15回答

1501浏览

• 贼婆χ 2019-01-02 22:03

Look up all descendants of a class in Ruby

• ruby

7回答

1018浏览

• 放我归山 2019-01-02 22:00

How to run Rake tasks from within Rake tasks?

• ruby
• rake

9回答

1333浏览

• 你好瞎i 2019-01-02 21:46

What is the colon operator in Ruby?

• ruby
• symbol

7回答

1926浏览

• 人气声优 2019-01-02 19:47

'sudo gem install' or 'gem install'

• ruby-on-rails
• ruby
• macos
• rubygems

11回答

1950浏览

• 裙下三千臣 2019-01-02 19:37

ruby 1.9: invalid byte sequence in UTF-8

• ruby
• encoding
• utf-8

9回答

1275浏览

• 栀子花@的思念 2019-01-02 19:32

How do I download a binary file over HTTP?

• ruby
• download

4回答

1038浏览

• 泛滥B 2019-01-02 19:31

Difference between \A \z and ^ $ in Ruby regular e

• ruby
• regex

19回答

1505浏览

• 美炸的是我 2019-01-02 19:30

rbenv not changing ruby version

• ruby
• rbenv

6回答

2005浏览

• ら面具成の殇う 2019-01-02 19:29

Connecting Rails 3.1 with Multiple Databases

• ruby-on-rails
• ruby
• ruby-on-rails-3
• rails-activerecord
• activeresource

15回答

1586浏览

• 琉璃瓶的回忆 2019-01-02 19:06

When to use lambda, when to use Proc.new?

• ruby
• lambda
• proc

12回答

1297浏览

• 梦醉为红颜 2019-01-02 18:58

How to make --no-ri --no-rdoc the default for gem

• ruby
• rubygems

28回答

833浏览

• 流年柔荑漫光年 2019-01-02 18:56

PG::ConnectionBad - could not connect to server: C

• ruby-on-rails
• ruby
• database-connection
• rails-postgresql
• pg

5回答

1604浏览

• 一个人的天荒地老 2019-01-02 18:47

Rails params explained?

• ruby-on-rails
• ruby

2回答

1136浏览

• 浅入江南 2019-01-02 17:59

Where and how is the _ (underscore) variable speci

• ruby

13回答

2039浏览

• 临风纵饮 2019-01-02 17:03

do..end vs curly braces for blocks in Ruby

• ruby-on-rails
• ruby
• ruby-on-rails-3
• coding-style

4回答

1684浏览

• 长期被迫恋爱 2019-01-02 16:55

ActiveRecord: size vs count

• ruby-on-rails
• ruby
• ruby-on-rails-3
• rails-activerecord

5回答

1332浏览

• 骚的不知所云 2019-01-02 16:46

Ruby 2.0.0p0 IRB warning: “DL is deprecated, pleas

• ruby
• windows

10回答

1395浏览

• 只靠听说 2019-01-02 16:36

What is the easiest way to duplicate an activereco

• ruby-on-rails
• ruby
• rails-activerecord

10回答

809浏览

• 琉璃瓶的回忆 2019-01-02 16:29

Blocks and yields in Ruby

• ruby
• block

3回答

913浏览

• 浮光初槿花落 2019-01-02 16:02

ruby floating point errors

• ruby
• floating-point