If I type this big integer: puts 9997836544.class.to_s and compile with ruby 1.86, it reports expectedly: BigNum while JRuby (1.1.4 in Netbeans) reports surprisingly: Fixnum I thought Java had a BigInteger class to correspond to the BigNum class in Ruby. If so, I would have expected JRuby and ruby to produce the same output. ...
Assume color = "orange"; Ruby: puts("My favorite color is #{color.downcase() + 'ish'} -- at least for now."); PHP: print("My favorite color is {strtolower( $color ) + 'ish'} -- at least for now."); The PHP version does not work like I would like it to. I'm not looking for any language wars, I just want to know if anyone knows of a...
Anyone have a list of rails plugins that are both stable and give you enough functionality to be worth the extra effort of supporting? Edit: I am mostly interested in the best, most complete list of plugins so I can use it the next I'm starting a rails app. I don't currently need a particular plugin. ...
I have a system that filters template files through erb. Using convention over configuration, the output files get created in a file hierarchy that mirrors the input files. Many of the files have the same names, and I was able to use the directories to differentiate them. That plan worked until I needed to associate additional info wi...
Hello, I'm trying to put a rails face on a legacy database. It is an old Sybase 11 database installation. I've gotten an ODBC connection working that uses unixODBC and FreeTDS to work. I'm also using the activerecord-odbc-adapter gem. I've had to use set_table_name and set_primary_key to make it work so far. However, none of the dynami...
Is it necessary to unit test ActiveRecord validations or they are well-tested already and hence reliable enough? ...
Hi all, I use inheritance in my model. An event has different types: Event < activity Event < training Event < game I want to set session data to every event type like game.user_id = session[:user_id] training.user_id = session[:user_id] activity.user_id = session[:user_id] I want to avoid writing @game.user_id = session[:user_id]...
I'm having a problem where I have been able to add a project to CC.rb perfectly fine but when I start the service I get "Access Denied" messages each time it checks with Subversion for a newer version. I'm running with --trace and running the exact command it is trying from the project's work directory: svn --non-interactive log --limi...
How do you do a Remote HTTP Post (request) in ruby? ...
In the following ruby code, the output becomes: "x y" x = "x %s" y = "y" z = "z" print x % y %z The %z is ignored. I want the output to be "x y z". To understand the possibilities and limitations of the syntax of Ruby, I want to use only the print command and the %s and % flags. I know how to do this using sprintf but I want to kno...
I'm trying to figure out how to rescue syntax errors that come up when eval()ing code in Ruby 1.8.6. I would expect the following Ruby code: #!/usr/bin/ruby good_str = "(1+1)" bad_str = "(1+1" # syntax error: missing closing paren begin puts eval(good_str) puts eval(bad_str) rescue => exc puts "RESCUED!" end to produ...
I'm trying to test a controller and I got this error. I understand the error, but don't know how to fix it. test: on CREATE to :user with completely invalid email should respond with redirect (UsersControllerTest):ActionController::RedirectBackError: No HTTP_REFERER was set in the request to this action, so redirect_to :back co...
I'm using the ruby daemon gem. Wondering how I can add some extra steps to the stop action? Was hoping I could detect stop was called, and add some extra code to it. Anyone know how I can accomplish this? ...
When using a multi-paradigm language such as Python, C++, D, or Ruby, how much do you mix paradigms within a single application? Within a single module? Do you believe that mixing the functional, procedural and OO paradigms at a fine granularity leads to clearer, more concise code because you're using the right tool for every subproble...
I need script to add quotes in url string from url.txt from http://www.site.com/info.xx to "http://www.site.com/info.xx" ...
I'm consuming a data feed that has recently added a Unicode BOM header (U+FEFF), and my rake task is now messed up by it. I can skip the first 3 bytes with file.gets[3..-1] but is there a more elegant way to read files in Ruby which can handle this correctly, whether a BOM is present or not? ...
I'm expecting this output: output:xyz But if I type the following: a = ["x", "y", "z"] print "output:" + a.each {|i| print i}.to_s Why do I get an 'xyz' before the word output as well as after it? xyzoutput:xyz ...
Hi all, When running tests in Ruby's unit::test framework, is there a really easy way to specify, from the command-line, that only one test should be run (that is, specify the test class and test member variable)? If not, is there another framework that has this feature? ...
Is there a way to generate Ruby classes (maybe even ActiveResource classes) from an XSD so that they contain a way to serialize the classes to xml valid for the initial XSD? I know that soap4r has xsd2ruby but it appears that the generated ruby classes cannot be easily serialized to xml. ...
I've never seen undef - or any thing else that allows you to undefine a method - in any other programming languages. Why is it needed in Ruby? EDIT: I'm not arguing that there is anything wrong with this. I just don't understand the purpose of defining methods at runtime? What's the purpose of that? How is it used? I've never done this ...