Category:I704 Ruby - Revision history

Dhamidi at 10:21, 23 March 2017

2017-03-23T10:21:39Z

@@ Line 563: / Line 563: @@
    end
 end
 </syntaxhighlight>

2017-03-16T11:11:05Z

@@ Line 516: / Line 516: @@
        rescue ArgumentError
          raise InvalidNumberError.new(input)
        end
      end

2017-03-16T10:58:37Z

← Older revision		Revision as of 13:58, 16 March 2017
Line 458:		Line 458:
	# Now you can work with the HTML returned by the server		# Now you can work with the HTML returned by the server

			</syntaxhighlight>

			= 2017-03-16 Lecture =

			<syntaxhighlight lang="ruby">
			require 'pry'

			##
			#
			# NEVER RESCUE FROM Exception
			#
			# HAVE AN ERROR CLASS FOR APPLICATION AND HAVE ALL APPLICATION ERRORS
			# INHERIT FROM IT.
			##

			# Options for error handling:
			#
			# 1. raise an exception
			# 2. return a value describing the error
			module ErrorHandling
			class Error < StandardError
			end

			class InvalidNumberError < Error
			def initialize(input)
			@input = input
			end

			attr_reader :input
			end

			class DivisionByZeroAttempted < Error
			end

			class WrongDayOfTheWeek < Error
			end

			class Application
			def run
			raise WrongDayOfTheWeek unless Date.today.monday?

			print("Enter a number: ")
			a = read_number
			print("Enter another number: ")
			b = read_number
			if b.zero?
			raise DivisionByZeroAttempted
			else
			puts "a / b = #{a / b}"
			end
			end

			def read_number
			input = $stdin.gets.chomp
			begin
			Float(input)
			rescue ArgumentError
			raise InvalidNumberError.new(input)
			end
			end
			end
			end
	</syntaxhighlight>		</syntaxhighlight>

2017-03-09T11:26:48Z

Answering 80% of the questions correctly

← Older revision		Revision as of 14:26, 9 March 2017
Line 139:		Line 139:


	=== Answering 80% of the questions correctly ===		== Answering 80% of the questions correctly ==

	'''Point value:''' 20		'''Point value:''' 20

2017-03-09T11:26:36Z

= Answering 80% of the questions correctly

← Older revision		Revision as of 14:26, 9 March 2017
Line 139:		Line 139:


	=== Answering 80% of the questions correctly ==		=== Answering 80% of the questions correctly ===

	'''Point value:''' 20		'''Point value:''' 20

2017-03-09T10:56:09Z

2017-03-09 lecture

@@ Line 430: / Line 430: @@
    thread.join
 end
 </syntaxhighlight>

2017-03-09T10:45:20Z

2017-03-09 lecture

@@ Line 369: / Line 369: @@
 = 2017-03-09 lecture =
 <syntaxhighlight lang="ruby">
@@ Line 394: / Line 396: @@
        puts number
      end
    end
 end

2017-03-09T10:31:03Z

2017-03-02T19:39:49Z

Proper use of version control

← Older revision		Revision as of 22:39, 2 March 2017
Line 80:		Line 80:

	# you keep your code in a git repository		# you keep your code in a git repository
	# a single commit represents a single logical step in the development		# a single commit represents a single logical step in the development process (e.g. adding a test and the code to make it pass, fixing a single bug, refactoring one area of the code, etc)
	process (e.g. adding a test and the code to make it pass, fixing a
	single bug, refactoring one area of the code, etc)
	# most commit messages follow the guidelines for good commit messages (see reference material below)		# most commit messages follow the guidelines for good commit messages (see reference material below)

Line 88:		Line 86:

	* [https://chris.beams.io/posts/git-commit/ How to write a Git Commit Message] (see "The Seven Rules")		* [https://chris.beams.io/posts/git-commit/ How to write a Git Commit Message] (see "The Seven Rules")
	* [http://nuclearsquid.com/writings/git-add/ How to select a subset of all changes for your next commit]		* [http://nuclearsquid.com/writings/git-add/ How to select a subset of all changes for your next commit]

	== Having a README ==		== Having a README ==

2017-03-02T19:39:11Z

Provide a detailed description of the grading criteria

@@ Line 62: / Line 62: @@
 * 10 points for proper use of version control
 * 10 points for adhering to common Ruby coding standards
 * 20 points for answering 80% of the questions correctly
 The student needs at least 60 points in order to pass the course.
 = 2017-02-02: Lecture and Lab =