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There was another great tutorial at PhotoshopTutorials.ws. This was really simple and at the same time I filled some gaps. Doesn’t take much time at all and is great for absolute beginners. Here is my result. You can compare it with the original on their site. It was much easier than cartoon pirate tutorial.
>> require ‘fileutils’ >> FileUtils.pwd # prints working directory >> FileUtils.cd ‘/path/to/requiredfolder’ # takes you to required directory To exit irb either exit or CTRL+D should work.
Q: What to_i stands for in Ruby and what it does? A: to_i stands for “to integer” and is needed to convert strings into integers so you can do mathematical operations with them. Any value, even numbers, acquired from URLs in params becomes a string and if you need to do some math with it […]
Q: What are params in Ruby? A: params in Ruby are equivalent of $_REQUEST array in PHP. They can come from: query string of GET request, input from POST request, or the path of the URL. If user requested http://localhost:4567/bill then params[:name] are “bill” Example: require ‘sinatra’ get ‘/:name’ do name = params[:name] “Hi there […]
Here is the solution that will save you time and nerves while working in Sinatra / Ruby. To reload Sinatra automatically, in the beginning of your document right after the opening require ‘sinatra’ add this: require ‘sinatra/reloader’ if development? You can now see changes by simply reloading page in your browser, no need to type […]
If you build so many websites that you eventually forget not only your password but even username or maybe even email you used to install WordPress, here is how you can find it (provided you still remember how to access to cPanel where your site is hosted): 1. Go to yourwebsite.com/cpanel and login using your […]