Examples

IT 231 -- Examples

Example 1 Vanilla Example
vanilla-xhtml.htm Source Code
A vanilla XHTML page, including the following:
title, heading, paragraph, ordered list, table, image, hyperlink.
Example 2 Styled Example
styled-xhtml.htm Source Code
Example 1, but using a document-level CSS style.
Example 3 External Example
external-xhtml.htm Source Code
Example 1, but using an external CSS style page.

Example 4 HelloWorld Example
mypage.html.erb Directions
Display a simple HTML page with no CSS stylesheet.
Example 5 PageWithImage Example
Image mypage.html.erb Directions
Display a page with an image.
Example 6 Greeter Example
greeting.html.erb response1.html.erb response2.html.erb application.html.erb styles.css Directions
Create a site with three pages, hyperlinked to each other. A layout page (application.html.erb) and stylesheet (styles.css) are used. These are examples of the DRY principle.
Example 7 Library Example
welcome.html.erb policies.html.erb staff.html.erb application.html.erb library.css info_controller.rb Directions
Image of Frieda Farus Image of Lotus Gergenson
Create a Library example with pages names welcome, policies, and staff.

Example 8 Census Example
Directions
Create a complete Rails project using scaffolding.
Example 9 MovieReviewSite Example
Directions
Create the Rails project using scaffolding.
Example 10 School Example
Directions
Create the Rails project using scaffolding.

Example 11 GetSubmit Example
submit-with-get.htm Source Code
Submit an HTML page using the HTTP method GET. The server page running PHP receives the information from the submitted form's URL and displays it.
Example 12 PostSubmit Example
submit-with-post.htm Source Code
Submit an HTML page using the HTTP method POST. The server page running PHP received the information from the submitted page's HTTP head and displays the information.

Example 13 CToF Example ctof.rb
Run using irb: cut and paste into a file named ctof.rb and run in a Command Prompt Window with the command ruby ctof.rb.
Example 14 TestCensus Example testcensus.rb
Run from the Rails Console: navigate to the Census example and start the Rails Console Window with rails console. Type in the lines in this example one by one to see what happens.
Example 15 TestString Example teststring.rb
Run using irb: cut and paste into a file named teststring.rb and run in a Command Prompt Window with the command ruby teststring.rb. Test the following String class methods:
Example 16 Dice Example dice.rb test-dice.rb
Run using Method 2: cut and paste into a file named dice.rb and run in a Command Prompt Window with the command ruby dice.rb.

Example 17 Overtime Example overtime.rb
Compute the total wages, given the input values hours worked and hourly rate. The input values are hardcoded.
Example 18 TemperatureDescriptors Example temp-desc.rb
Choose a random temperature, then find a description of that temperature. The choices are cold, chilly, perfect, warm, hot.
Example 19 ConsultantBSGenerator Example con-bs-gen.rb
Randomly generate a verb, adjective, and noun. Concatenate these to form a "consultant BS sentence."
Example 20 ChineseZodiac Example chinese-zodiac.rb
Pick a random year between 1950 to 2015. Then determine the corresponding animal in the Chinese Zodiac.
Example 21 LongSong Example long-song.rb
Choose a random number between 10 and 99. Then show that many verses of the song "99 Bottles of Beer on the Wall."

Flintstones Images and Style File:
fred-flintstone.gif wilma-flintstone.jpg barney-rubble.png betty-rubble.jpg examples.css application.html.erb
Example 22 Flintstones1 Example Controller Name = RandomImage View Name = index Controller Source Code index.html.erb
Randomly display one of the four flintstones characters and the corresponding name on an ERB view.
Example 22.5 Flintstones2 Example Controller Name = RandomImage, View Name = display Controller Source Code display.html.erb
Randomly display one of the four flintstones characters and the corresponding name on an ERB view, obtaining information from the characters table in the database. Create a model with this command line statement:
Copy these ActiveRecord commands into db/seeds.rb.

Example 23 CToF2 Example Controller: convert_controller_rb View: show.html.erb Layout Page: application.html.erb Style Sheet: examples.css
Add this route to config/routes.rb before viewing in a browser:
post "/convert/show"

After starting the server, enter the Celsius Temperature into the textbox. Then click the Convert button to send the textfield value to the server, where the controller code will convert this value to Fahrenheit and make it available to the output page (index) for display.
Example 24 LongSong2 Example Controller Name: ShowSong View Name: display
Controller File: show_song_controller.rb View File: display.html.erb Layout Page: application.html.erb Style Sheet: examples.css
Add this route to config/routes.rb before viewing in a browser:
post "/show_song/display"

After starting the server, enter the number of verses into the textbox. Then click the Display Song button to display all verses of the song

Example 25 LoadGradeData Example
Directions Seed Code
Example 26 DisplayGradeData Example
Directions Seed Code grade_records_controller.rb display.html.erb application.html.erb examples.css
Example 27 FindGradeData Example
Directions Seed Code grade_records_controller.rb display.html.erb application.html.erb examples.css

Example 28 OnlineQuiz Example
Directions quiz_controller.rb questions.html.erb answers.html.erb
application.html.erb examples.css
Example 29 CreditCard Example
Directions orders_controller.rb new_order.html.erb display_orders.html.erb
application.html.erb examples.css
Example 30 GuestBook Example
Directions comments_controller.rb new.html.erb display_all.html.erb
application.html.erb examples.css

Example 31 StudentAwards Example
See the One-to-many Relationships Tutorial
Example 32 PetSalon Example
Directions
Example 32.5 OnlineStore Example
Directions

Example 33 MyWebsite Example mywebsite.zip
A password protected website that uses SHA1 encrypted passwords
Example 34 Greeter Example greeter.zip
Create a website with two pages, each showing today's date. page1 inputs a name; page2 displays a greeting using the name from page1.
Example 35 KidData Example kiddata.zip
Preload Kid data into a database (preload page). Then display the data on a page (display page).
Use this model statement:
rails generate model Kid name:string gender:string age:integer