Chirag Mongia chiragmongia

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chiragmongia / HTML Exercise

Created August 10, 2013 08:52

	<html>
	<head>
	</head>
	<body bgcolor="#F2F2F2">
	<h1 align="center">HTML form exercise</h1>
	<p>
	<font color="red">Please note:</font> This Example demonstrates how HTML forms can be used. Submit button should submit the button and reset button should reset the form(revert the changes in form fields). The form layout should be the same as below.
	</p>
	<b>Contact form</b>
	<form action="default.htm" method="post">

chiragmongia / Ruby_Ex-1

Created July 31, 2013 08:04

	# Question- Occurence - Hash
	#Count the ocurrences of various alphabet letters in an input string and store it in hash.

	def alphabet_count_and_store_in_hash(hash, input_string)
	input_string.each_char { \|char\| hash[ char ] += 1}
	hash.delete_if {\|k,v\| k !~ /^[a-zA-Z]+$/ }
	end

	# Main
	hash = Hash.new(0)

chiragmongia / Ruby_Ex-14

Created July 31, 2013 07:36

	#Question- Reverse Sentence
	#Use string methods to reverse the words arrangement in a sentence.
	#Eg: "An apple a day keeps the doctor away" -> "away doctor the keeps day a apple An"


	def reverse_string (input_string)
	input_string.split.reverse!.join(" ")
	end

	#Main

chiragmongia / Ruby_Ex-13

Created July 31, 2013 07:22

	def factorial(num)
	if num > 0
	"Factorial is: #{(1..num).inject(:*)}"
	else
	"Number should be greater than zero"
	end
	end

	p "Factorial Using Ranges"
	print "Enter the number: "

chiragmongia / Ruby_Ex-12

Created July 31, 2013 06:55

	#Question- Character Count - Ranges
	#Write a method that returns the no of various lowercase, uppercase, digits and special characters used in the string. Make use of Ranges.

	def character_count(input_string)
	lower, upper, number, special_character = 0, 0, 0, 0
	splitted_string = input_string.split(//)
	for i in 0...splitted_string.size
	case splitted_string[i]
	when 'a'..'z'
	lower += 1

chiragmongia / Ruby_Ex-4

Created July 31, 2013 06:52

	def palindrome?(input_string)
	input_string.reverse == input_string
	end

	#Main
	wish_to_continue = 'a'
	while wish_to_continue !~ /\Aq/i
	p "Enter the string"
	input_string = gets.chomp
	if palindrome?(input_string)

chiragmongia / Ruby_Ex-1

Created July 31, 2013 06:44

	#Question - Replace - Regex
	#Ask user to enter text. Replace each vowel in the text with a '*' using regular expression.

	def replace_vowels_with_asterisk(input_text)
	input_text.gsub(/[aeiou]/i, '*')
	end

	#Main
	puts "Replacing Vowels with '*'"
	puts "Enter the text"

chiragmongia / Ruby_Ex-15

Created July 31, 2013 06:42

	#Question- Prime Numbers - Step
	#Define a method to find all prime numbers upto n using 'step' function.

	def prime(num)
	prime_no = []
	a=0
	prime_no << 2
	3.step(num,2) do \|n\|
	3.step(n/2,1) do \|k\|
	if n % k == 0

chiragmongia / Ruby_Ex-8

Created July 31, 2013 06:38

	#Quetion- Power - Array
	#Define a method power() for an array. It takes an argument 'x' and returns the array with elements raised to power 'x'. Try to make use of array functions.
	#Eg: [1,2,3,4,5,6].power(3) -> [1, 8, 27, 64, 125, 216]

	class Array
	def power(power_value)
	self.each { \|i\| p i ** power_value }
	end
	end

chiragmongia / Ruby_Ex-8

Created July 31, 2013 06:38

	#Quetion- Power - Array
	#Define a method power() for an array. It takes an argument 'x' and returns the array with elements raised to power 'x'. Try to make use of array functions.
	#Eg: [1,2,3,4,5,6].power(3) -> [1, 8, 27, 64, 125, 216]

	class Array
	def power(power_value)
	self.each { \|i\| p i ** power_value }
	end
	end