How to add more ‘owners’ to a gem in RubyGem
It’s done with the gem command, see here gem owner my_gem -a [email protected]
ruby
Ruby array.select multiline block
What you want is next instead of return.
Ruby: how to add “# encoding: UTF-8” automatically?
Upgrade to Ruby 2.0, as it makes UTF-8 the default encoding, removing the need for magic comments.
Ruby Dropped in Netbeans 7,How to Use it in Netbeans7?
Oracle stopped supporting the NetBeans Ruby plugin, but the development has been taken over by the community. In fact, there are now more people working on the plugin than back when Oracle did still support it, including three of the lead developers of JRuby, one of the original developers of the NetBeans Ruby plugin and … Read more
Why do Ruby’s default parameter values not get assigned to nil arguments?
The default parameter is used when the parameter isn’t provided. If you provide it as nil, then it will be nil. So yes, this is expected behavior.
How might I pass text data from the ruby console into my clipboard without saving to a file?
You can just echo it instead if there are no newline characters in the string; otherwise, use the IO class. Using echo: system “echo #{stringdata} | pbcopy” OR `echo #{stringdata} | pbcopy` Ruby will then just rip the text from memory, inject it into the shell command which opens a pipe between the echo and … Read more
Restoring Rails 3’s Bundle Install Path… It’s now install in my root
bundle install <directory name> makes the bundler install the gems in the respective directory. Running bundle install –system will set the install directory back to the system directory rather than the custom one you provided.
Ruby Net::HTTP – following 301 redirects
301 redirects are fairly common if you do not type the URL exactly as the web server expects it. They happen much more frequently than you’d think, you just don’t normally ever notice them while browsing because the browser does all that automatically for you. Two alternatives come to mind: 1: Use open-uri open-uri handles … Read more
How do I convert a Hash to a JSON string in Ruby 1.9?
That’s just because of String#inspect. There are no backslashes. Try: hjs = hash.to_json puts hjs
How to write columns header to a csv file with Ruby?
I would recommend to use the CSV-library instead: require ‘csv’ CSV.open(‘test.csv’,’w’, :write_headers=> true, :headers => [“numerator”,”denominator”,”calculation”] #< column header ) do|hdr| 1.upto(12){|numerator| 1.upto(12){ |denominator| data_out = [numerator, denominator, numerator/denominator.to_f] hdr << data_out } } end If you can’t use the w option and you really need the a+ (e.g., the data isn’t available all at … Read more