I have a string variable with content: varMessage = “hi/thsid/sdfhsjdf/dfjsd/sdjfsdn\n” “/my/name/is/balaji.so\n” “call::myFunction(int const&)\n” “void::secondFunction(char const&)\n” . . . “this/is/last/line/liobrary.so” In the string I … Read more
I’m looking at the documentation for FileUtils. I’m confused by the following line: FileUtils.cp %w(cgi.rb complex.rb date.rb), ‘/usr/lib/ruby/1.6’ What does the %w mean? … Read more
Ryan Davis’s Ruby QuickRef says (without explanation): Don’t rescue Exception. EVER. or I will stab you. Why not? What’s the right thing to … Read more
What does class << self do in Ruby? 6 s 6
Using the command-line gem tool, how can I install a specific version of a gem? 7 s 7 Use the -v flag: $ … Read more
I don’t use the RI or RDoc output from the gems I install in my machine or in the servers I handle (I … Read more
I am having a hard time understanding attr_accessor in Ruby. Can someone explain this to me? 20 s 20 Let’s say you have … Read more
I have a rake task that needs to insert a value into multiple databases. I’d like to pass this value into the rake … Read more
How do I take a string and convert it to lower or upper case in Ruby? 1 11 Ruby has a few methods … Read more
How do I call shell commands from inside of a Ruby program? How do I then get output from these commands back into … Read more