ruby

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Using form_for with Awesome Nested Set

I have a Comment model with the acts_as_nested_set enabled, but when I try to do something like this (for nested comments), i receive the error \"comment_comments_path not found\", presumably because[详细]

2023-04-13 03:35 分类：问答
Ruby Regexp: difference between new and union with a single regexp

I have simplified the examples. Say I have a string containing the code for a regex. I would like the regex to m开发者_如何学Catch a literal dot and thus I want it to be:[详细]

2023-04-13 03:34 分类：问答
Gmate for gedit3 (new version of Ubuntu 11.10)

Sorry for the offtop, but I am asking all who use gmate+gedit for ruby and ruby-on-rails development. Today I have upgraded Ubuntu to 11.10 an开发者_开发知识库d all plug-ins for gedit fall off.[详细]

2023-04-13 03:23 分类：问答
How do I keep the last 10 entries and delete the rest?

User has more than 20 records in a table. I only want to keep开发者_如何学Python the last 10 entries. Which means I want to delete the rest.[详细]

2023-04-13 03:01 分类：问答
Why does defining a method at the top level affect other user-defined classes?

If I define a top level method like this: def inspect(x) # do something useful... end Then calling #inspect on a user-defined class stops working:[详细]

2023-04-13 03:00 分类：问答
rails acts_as_list position auto increment

I am using the acts_as_list gem but when creating new Object the position should automatic increase in size and order position ASC.[详细]

2023-04-13 02:55 分类：问答
Creating a user-generated post

I did some research and couldn\'t find a suitable answer so I\'m reaching out..... Using Rails 3.1 and trying to crea开发者_如何转开发te a post for a user. When I go to create a test post I get the e[详细]

2023-04-13 02:43 分类：问答
Using rvm and git, can I associate a ruby version with each branch?

Is there a way t开发者_C百科o associate a specific ruby version with a specific branch ? I would like to have:[详细]

2023-04-13 02:39 分类：问答
Rails Associations Not working and not recognizing classes

I have a weird bug that just popped up with my rails app that I cannot figure out. I recently added a new association to an existing Model and now my previous associations do not want to work properly[详细]

2023-04-13 02:33 分类：问答
Regex getting text inside

I have been trying to grab a first location name inside the sentences. The desired location name will exactly starts at the 2nd capital of the 开发者_开发知识库first sentence and then precisely end be[详细]

2023-04-13 02:10 分类：问答