Using Ruby to Parse CSVs Parsing data from comma-separated values (CSVs) is a relatively common task. Using Ruby to parse CSVs makes this process easier because Ruby hasits own built-in CSV class and interface. Parsing CSVs in Ruby: The Basics You can either choose to process CSV data ...
how to use ruby code after its written, is it standalone or need to be in a web application?Confused a little on ruby. I know it makes.rbfiles, but does it make exe or com files or is it just used as as web application?
Create a new Ruby file calledip_grabber.rbwhich defines anIPGrabberobject with agetmethod that, when provided a URL, will return the external IP address of the machine. You’ll use the HTTParty library to fetch the response fromicanhazip.com. You would use thisIPGrabberobject in your own ...
Did you know that the default Ruby interpreter (MRI) has lots of interesting & useful command-line options? Like: ruby -v Which gives you theRuby versionyou are using right now. Or the-eflag which allows you to run a bit of code directly, without afile& without having to go intoirb....
You use this syntax todefine a heredocin Ruby. You start with the symbol<<-, then a word that represents the name for this heredoc, then the heredoc contents, then you close the heredoc with that some word on its own line. Another way to do this is to use %Q: ...
Before really starting to use Ruby, you need to have a basic understanding of the command line. Since mostRubyscripts won't have graphical user interfaces, you'll be running them from the command line. Thus, you'll need to know, at the very least, how to navigate the directory structure...
To switch to the default Ruby, type: rvm default In order to use the version of Ruby installed on the system (not through RVM), you can specify: rvm use system How To Use Gemsets One common way to distribute code in Ruby is to use a format calledgems. Gems can be in...
This sample demonstrates how to use the Microsoft Graph REST API to access data in Office 365 from Ruby on Rails apps. NOTE:This sample was originally built from a tutorial published on theMicrosoft Graph tutorialspage. That tutorial has been removed. ...
In Ruby, you can use the Net::HTTP library to follow HTTP redirects and retrieve the final URL. Here’s how: Method 1: Using Net::HTTP Manually require'net/http'require'uri'defget_redirected_url(url) uri=URI.parse(url) response=Net::HTTP.get_response(uri)ifresponse.is_a?(Net::HTTP...
for a user of the Ruby binary, a web browser use case is not particularly compelling. For me, what I find useful is I can use it for education purposes. Charles Max_Wood: Right. Ben_Taylor: So I can run Ruby in the browser. student's code is working, I can get them to run the...