DAT210 University of Phoenix Week 4 How Can Rails Help Ruby Discussion

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DAT210 University of Phoenix Week 4 How Can Rails Help Ruby Discussion

Wk 4 Discussion – How Can Rails Help Ruby? [due Thurs]

Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students.

Due Thursday

Respond to the following in a minimum of 175 words:

Rails is a software library that extends the Ruby programming language. Rails is also a framework for building websites establishing conventions for easier collaboration and maintenance. It was created to help design dynamic websites with a database backend.

Discuss how Rails has helped Ruby developers build large scalable websites faster.

Due Monday

Reply to at least 2 of your classmates. Be constructive and professional in your responses.

Wk 4 – Write a Ruby Program [due Mon]

Assignment Content


  1. The college IT department manager no longer wants to use spreadsheets to calculate grades. The manager has asked you to create a program that will input the teachers’ files and output the students’ grades.


  2. Write a Ruby program named formatfile.rb, which can be run by typing ruby widgets.rb.


  3. In your Ruby environment, the program must read an input file formatted in CSV format, named input.csv. Each record contains data about a student and their corresponding grades.


  4. The data will look similar to the following: Student Name, assignment1, assignment 2, assignment 3, assignment 4


  5. John Adams, 90, 91, 99, 98


  6. Paul Newman, 90, 92, 93, 94


  7. Mary Smith, 95, 96, 99


  8. Be careful to follow the output format exactly, including spacing. The output of your program must look like the following:


  9. Student Assignment Average


  10. John Adams 94.5


  11. Compress your files into a ZIP folder.


  12. Review the readings for this week from
    Ruby on Rails Tutorial if you have additional questions on deploying Ruby applications.


  13. Submit the ZIP file.

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