542 questions
While installing the RVM, something went wrong, so I think I need to delete it and download it againHow do I get rid of RVM in Ubuntu?
Whenever I install gem, I forget to write --no-ri --no-rdoc so I keep downloading RI and RDoc together.I don't see RI and RDoc at all, so I wonder if I can set that flag as the default.
What I want to know is the difference between rake db:schema:load. *rake db:migrate and rake db:reset I already know the difference, but I wrote it down just in case what I knew was wrong
I'm looking for a method to erase blank characters such as trim in php.Ruby has pretty much everything already made, so I'm sure it's somewhere, but I don't know the name
There's a model in Rails What does Model.all.map(&:title) mean?The map in the Ruby array [1, 2, 3].I've written map { |n| n * n} #=> [1, 4, 9] before.
Do you have this question mark? Are you right? I understand it's a question mark because you ask like thisWhat is the exclamation mark for?
How do I spin random to extract any element from an array?myarr = [1,6,43,82,3,68,9,2,1]The same number is stored and you want to extract any number from this myarr. I'm using the arrangement lengthmy...
I originally used Java, and I'm just learning Ruby.It's a bit unfamiliar in Java, so I wonder exactly how modules and classes are different, and why they usually use modules, not classes.
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.soHow do ...
Arrangements such as [hello, ruby, world] in ruby[Hello, [2], [ruby, 3], [world, 4] How do I change it?
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