In this lesson, our instructor talks about intro to ruby. He discusses what is ruby, who created ruby, the history of ruby, current ruby, and why programmers enjoy ruby. Then he talks about why Ruby as an interpreted language, what is used for, ruby as object-oriented, and object class.
Test if Ruby is installed: ruby --version # should return ruby version
Test if RVM is installed:
rvm --help # should return Usage and Flags
Intro to Ruby
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.
What he wanted to do was...he actually said that he wanted a scripting language that was more powerful than Perl, more object-oriented than Python--and that's why he decided to design his own language.0120
So, he's used in the past: Perl, C, Java... but he's never satisfied.0134
He has influences using Smalltalk list and Python. So he has a lot of influences, multiple influences for many languages.0146
So it's nice to know that the guy that's influencing it...made this really good language.0155
It got very popular there. It started getting popular in the West around 2000.0602
The first English book that was published was one called Programming Ruby.0607
With that, they translated a lot of things that were in Japanese, and made it so we can see that syntax in English and get a sense of how we can utilize it in our own programming...and see the flexibility and the expressions and the richness of it.0613
And then, what really got it going was in 2005.0635