Ruby on rails send_file cannot read file

They default to require clients to validate with the server before releasing cached responses. See www. APIdock copyright Nodeta Oy RSpec Ruby Ruby on Rails. Flowdock method. As you can see, the first row of the spreadsheet represents the headers. Everything else is the actual data that we need.

First, we will require roo and open the spreadsheet within the task. Next, lets grab the first row of the spreadsheet since we know this is the header row. Now we can map over the spreadsheet rows and extract the user data. Here is what the code looks like. We map over each row in the spreadsheet using data. Next, we create a new hash that contains the data from the current row.

We build this hash using the headers array that we grabbed earlier and the current row that we are on in the loop. So, what is this line doing? This is what the array looks like before calling transpose. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast Making Agile work for data science. Stack Gives Back Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually.

What is the difference between include and extend in Ruby? What is the difference between include and require in Ruby? A concise explanation of nil v.