I have a helper module with a bunch of method calls in the format def link_to_details_for_facebook(param1, param2) def link_to_details_for_twitter(param1, param2) def link_to_content_for_facebook(param1, param2) def link_to_content_for_twitter(param1, param2) is there a way to call one method such as, so I can dynami...
When I run mongrel_rails start for my application, I get the following error: /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/http11.bundle: [BUG] Segmentation fault ruby 1.8.7 (2010-06-23 patchlevel 299) [i686-darwin10] I am running Snow Leopard and Ruby, Rails, and PostgreSQL 8.4 v...
I need to set an HTML class to this rails select and i have tried many variations and nothing <%= add.select :state, @states.map { |s| [ s.name, s.abbr ] }, :class => 'state', :include_blank => true %> ...
My implementation of markdown turns double hyphens into endashes. E.g., a -- b becomes a – b But sometimes users write a - b when they mean a -- b. I'd like a regular expression to fix this. Obviously body.gsub(/ - /, " -- ") comes to mind, but this messes up markdown's unordered lists – i.e., if a line starts - list item, it will beco...
Hi there, I was wondering how can I get the inverse of power in ruby? 2 ** 4 => 16 and then I would like to get the inverse of it, and I'm not sure which operator to use :( 16 ?? 2 => 4 Thanks a lot ...
On the last two lines: $ ruby -v ruby 1.9.1p378 (2010-01-10 revision 26273) [i386-darwin10] $ irb irb(main):001:0> def t(str) irb(main):002:1> str.index str irb(main):003:1> end => nil irb(main):004:0> t 'abc' => 0 irb(main):005:0> t "\x01\x11\xfe" => nil irb(main):006:0> t "\x01\x11\xfe".force_encoding(Encoding::UTF_8) => nil Why do...
I have a bunch of posts written in markdown and I need to remove the periods from the end of every paragraph in each of them The end of a paragraph in markdown is delimited by: 2 or more \ns or The end of the string However, there are these edge cases Ellipses Acroynms (e.g., I don't want to drop the final period in "Notorious B.I...
I recently ran into code that looks like this: next { 'foo' => bar, 'foobar' => anotherbar, } At first it looks like a simple hash, but there is no assignment to next. Next in this case looks like a reserved Ruby keyword. What does this code do? ...
I have a test class which i want to add to another test suite .. I tried testsuite< am i doing something wrong in here ...
I'm thinking of writing a basic ruby debugger (interactive), Can you direct me to some resources or projects to learn more? Thanks in advance! ...
Let's say I have methodA def methodA note = Note.find(params[:id]) note.link = params[:link] note.linktype = params[:linktype] note.save redirect_to(notes_url) end When I call this method from a view like this, it works fine <%= link_to image_tag(w.link, :border =>0), methodA_path(:linktype => w.linktype, :lin...
i am including my own .rb(HintsHelper.rb) file on view. But it gives the following error. Why? uninitialized constant ActionView::Base::CompiledTemplates::HintsHelper then... i included HintsHelper.rb in Application Helper file. but still it is giving me the following error. uninitialized constant ApplicationHelper::HintsHelper How to...
I'm running into an error when I try to split the dm-observer class into a separate file from my model class. Previously it worked fine if I put it all into a single file. # test_observer.rb require 'dm-observer' class TestObserver include DataMapper::Observer observe Test before :create do # does funky stuff end end ...
Before I start, I apologize for a bad title but I could not come up with one that describes my question in a satisfying way. If you come up with a better title, I will gladly switch. Suppose I have an Account model and a Transaction model, and I would like to implement a Account#days_since_balance_was_atleast method, taking a sum as its...
Standard curl supports command line option --trace-asci and --trace. Anyone any clues on how to set this option for a Curl::Easy object? ...
i have a file named ama.txt and content of the file is like name age hobby sex amit 45 music male sumit 35 cricket female now i just open like File.open("ama.txt").each do end now how can i modified hobby column of file ...
I want to test if I have 0, 1, 2 or 3 times a pictures ('foo.png') in a certain page with Cucumber. How should I write the custom step? Thanks ...
I have a Rails project with lots and lots of cyrillic strings in it. It worked fine on Ruby 1.8, but Ruby 1.9 recognizes all source files as US-ASCII-encoded until you provide an # encoding: utf-8 comment on top of each and every source file in the project. Obviously the files don't parse as US-ASCII. Is there a simpler way to say, li...
I need an SQL statement that check if one condition is satisfied: SELECT * FROM my_table WHERE my_table.x=1 OR my_table.y=1 I want to do this the 'Rails 3' way. I was looking for something like: Account.where(:id => 1).or.where(:id => 2) I know that I can always fallback to sql or a conditions string. However, in my experience this...
Model def before_save self.default_file_name = "#{self.model_name.underscore}.csv" if self.default_file_name.nil? self.default_directory_name = "public/uploads" if self.default_directory_name.nil? verify_methods verify_record end def verify_methods self.errors.add_to_base(_("Invalid row instance method.")) \ if !self.each_r...