I want to add reporting capabilities to my Rails application and I'm struggling quite some time now on which reporting software to use to create my PDF documents. Until now I'm pretty sure that either Ruport or Prawn are the best way to go. After experimenting with both of them I find that they both are very powerful and quite universa...
Hey all, I'm just trying to increment a record by 1 starting at 2000, when a new record is created upon clicking on the create action to create a record: if resource_model == Student then @resource.testing_id = id + 2000 end So if the record has an id of 1, I assume that the testing_id will be 2001. But instead it returns: 2147483647 ...
I have a C# method that I need to call from a piece of Ruby that requires a System.Type argument. Is there a Ruby equivalent to typeof in C#? The call will look something like this in C# ... var CustomClasInstance = Container.GetInstance(typeof(ICustomClass)) ...
Hi, I'm new on ruby, i use the restful authentication plugin and that works perfectly, Now, i have an authentication based on LDAP, and i want to combine ldap and restful authentication. Ldap also Any examples ? Thank you for help. ...
Hi, I need to encrypt a string (from a text area) that will also be decrypted later on when it is displayed. I'm not to concerned about it being majorly secure, but just don’t want to store the data in plain text format. Does anyone have any suggestions on how to do this easily in rails? Thanks, Jon ...
Please compare their strengths and weaknesses. ...
I'm trying to get a callback when any method on a particular class is called. Overriding "send" doesn't work. It seems send doesn't get called in normal Ruby method invocation. Take the following example. class Test def self.items @items ||= [] end end If we override send on Test, and then call Test.items, send doesn't get call...
I downloaded Haml from here: http://rubyforge.org/frs/?group_id=2760. When I extract the zip there are a bunch of .rb files and the official web page talks about gems. I think this is some Ruby stuff. Can I learn Haml and Sass even if I don't know Ruby? If I have to, how do I install all this on Windows XP? ...
Hi there, Pulling my hair out trying to figure out where class_inheritable_reader is documented in Rails. A Google search revealed its existence, and looking in the gem itself ya find the method: def class_inheritable_reader(*syms) syms.each do |sym| next if sym.is_a?(Hash) class_eval <<-EOS def self.#{sym} ...
I have a Ruby 1.9 script that I want to run as a long-running background process. It looks like I have a choice between calling Process.daemon inside the script to daemonize it, or I can just run the script in the background using a shell's ampersand and keep it running after I log out of the server by prefixing the command with nohup....
I'd like to write a package for Ruby and make it available as a gem. What are the tools, steps and pitfalls ? Are there any good tutorials, screencasts, etc., which helped you learning how to do it ? ...
Each time I typed: gem install rails it asked me for a dll. SO I downloaded the following: datasvcs.dll, icudt24l.dll, icuin24.dll, icuio24.dll, icuuc24.dll, libeay32.dll, libmex.dll, libmwservices.dll, libmx.dll, libut.dll, libz.dll, mpath.dll, msvcrt-ruby191.dll, mvalue.dll, m_dispatcher.dll, nscrt.dll, readline.dll, sslea...
I have doubt whether we can achieve multiple inheritence using 'module' concept or Is there any other keywords or concepts which achieve multiple inheritence in ruby? ...
code: file.write 'objectclass: groupOfUniqueNames\n' Oddly enough, the \n is actually being printed... What is wrong here? ...
I'm suffering some weird issue where my delayed_jobs are failing in production. Finally I narrowed it down to the logger. If I comment out my log function calls, everything works. However if I try to log, I get this in the delayed_job handler: --- !ruby/struct:Delayed::PerformableMethod object: AR:User:1 method: :load_and_update_wi...
Currently I have: file.puts "cn: " + (var1.nil? ? "UNKNOWN" : var1) Which works fine, but doesn't look good. What is a better way to write this in ruby so that I am checking for nil and not concatenating it Note: This question is similar to a LOT of questions, but in no such way is it anything of a duplicate. This question is about s...
I am getting an exception when using Evan Weaver's Memcached gem (as Memcached::Rails.new) -> (http://github.com/fauna/memcached) and calling get_multi() ArgumentError: wrong # of arguments(2 for 4) from /usr/local/lib/ruby/gems/1.8/gems/memcache-auth-1.0.1/lib/memcached/memcached.rb:384:in `memcached_mget' from /usr/local/lib/ruby/gems...
I've been looking at the source code of a few gems lately. One idiom that I keep seeing is the use of a nested module containing version constants that are joined into a version string i.e. variations around this sort of thing: module ChunkyBacon module Version MAJOR = 0 MINOR = 6 TINY = 2 end VERSION = [Version::MAJ...
Below you can see that I'm calling File.open only once but rspec is telling me it received it 3 times. def self.import_file(filename) current_file = filename.split('/').last destroy_all(["filename = ?",current_file]) unpack_format = "A#{INPUT_FILE_FORMAT.map{|element| element[1]}.join("A")}" debugger File.open(filename, 'r')....
Hi, I am thinking about the best way of including a JS library into rails app supporting :cache => true option for both JS and CSS. Let me take an example to describe the question: jQueryUI (that's just an example). It usually has the following structure when downloaded: +jq.ui +css +skin1 +images all_...