Ruby/C2/Variables-in-Ruby/English-timed - Revision history

PoojaMoolya at 06:30, 10 March 2017

2017-03-10T06:30:28Z

Sandhya.np14 at 15:59, 18 November 2015

2015-11-18T15:59:59Z

Sandhya.np14 at 11:33, 18 November 2015

2015-11-18T11:33:41Z

Sandhya.np14 at 01:21, 18 November 2015

2015-11-18T01:21:11Z

Sandhya.np14 at 17:58, 17 November 2015

2015-11-17T17:58:34Z

Sandhya.np14 at 03:37, 17 November 2015

2015-11-17T03:37:43Z

Sandhya.np14 at 16:11, 28 October 2015

2015-10-28T16:11:08Z

Sandhya.np14 at 16:10, 28 October 2015

2015-10-28T16:10:31Z

Sandhya.np14 at 12:39, 28 October 2015

2015-10-28T12:39:56Z

Show changes

Pratik kamble at 10:10, 5 May 2015

2015-05-05T10:10:07Z

@@ Line 13: / Line 13: @@
 |-
 |  00:09
-|* What is a variable?
+| What is a variable? Dynamic typing in '''Ruby'''
-−
-|-
-|  00:10
-|* Dynamic typing in '''Ruby'''
 |-
 |  00:13
-|* Declaring a variable
+| Declaring a variable
 |-
 |  00:15
-|* Converting variable types
+| Converting variable types
 |-
 |  00:18
-|* What is variable's scope?
+| What is variable's scope?
 |-
 |  00:20
-|* Types of variables.
+| Types of variables.
 |-
 |  00:23
-|  Here, we are using:
+|  Here, we are using: '''Ubuntu Linux''' version '''12.04''', '''Ruby 1.9.3'''
-* '''Ubuntu Linux''' version '''12.04'''
-* '''Ruby 1.9.3'''
 |-
@@ Line 146: / Line 140: @@
 |-
 |   02:53
-|   Type: '''var1''' equal to within double quotes '''hello''' and press '''Enter'''.
+| Type: '''var1''' equal to within double quotes '''hello''' and press '''Enter'''.
 |-
@@ Line 282: / Line 276: @@
 |-
 |  06:00
-|* Local
+| Local,  Global
-−
-|-
-|  06:01
-|* Global
 |-
 |  06:02
-|* Instance and
+|Instance and
 |-
 |  06:04
-|* Class.
+| Class.
 |-
@@ Line 301: / Line 291: @@
 |-
-|    06:14
+| 06:14
 | '$' represents '''global''' variable.
@@ Line 334: / Line 324: @@
 |-
 |  06:51
-|* To declare a variable, e.g. var1=10
+|To declare a variable, e.g. var1=10
 |-
 |  06:56
-|*  Changing a variable type using 'to_f' and 'to_s' methods
+| Changing a variable type using 'to_f' and 'to_s' methods
 |-
 |  07:04
-|*  Different variable '''scope'''s.
+| Different variable '''scope'''s.
 |-
@@ Line 370: / Line 360: @@
 |-
 |  07:27
-| * Conducts workshops using spoken tutorials.
+| Conducts workshops using spoken tutorials.
 |-
 |  07:30
-| * Gives certificates to those who pass an online test.
+|  Gives certificates to those who pass an online test.
 |-
 |  07:34
-| For more details, please write to:
+| For more details, please write to: contact @ spoken hyphen tutorial dot org.
 contact @ spoken hyphen tutorial dot org.
 |-

@@ Line 55: / Line 55: @@
 |-
 |  00:47
-|   Now I will explain what a '''variable''' is.
+|   Now, I will explain you what a '''variable''' is.
 |-
@@ Line 75: / Line 75: @@
 |-
 |01:07
-|  Variable name may only contain lowercase '''letters''', numbers, underscores.  Ex : first_name
+|  Variable name may only contain lowercase letters, numbers, underscores.  Ex : first_name
 |-
@@ Line 106: / Line 106: @@
 |-
 | 01:55
-|  Now, type "irb".
+|  Now, type "irb" and
 |-
 |  01:57
-| Press '''Enter '''to launch '''Interactive Ruby'''.
+| press '''Enter '''to launch '''Interactive Ruby'''.
 |-
@@ Line 130: / Line 130: @@
 |-
 |  02:37
-|  We get the output as: "true".
+|  We get the output as "true".
 |-
@@ Line 162: / Line 162: @@
 |-
 |  03:20
-|  We get the output as "string".
+|  We get the output as "String".
 |-
@@ Line 174: / Line 174: @@
 |-
 |  03:35
-| Let's switch back to slides.
+| Let's switch back to slide.
 |-
 |  03:38
-| Ruby '''variable classe'''s have methods to convert their value to a different type.
+| Ruby variable classes have methods to convert their value to a different type.
 |-
@@ Line 194: / Line 194: @@
 |-
 |  04:03
-|  ''''to _s'''' method takes number base as an '''argument'''.
+|  ''''to _s'''' method takes '''number base''' as an '''argument'''.
 |-
@@ Line 230: / Line 230: @@
 |-
 |  04:55
-| We will get the value as '''float'''.
+| We get the value as '''float'''.
 |-
@@ Line 238: / Line 238: @@
 |-
 | 05:06
-|  We will get output 20, within double quotes.
+|  We get the output as 20, within double quotes.
 |-
 |  05:10
-| To convert variable 'y' in binary form, give number base as '''2''' in '''to_s''' method.
+| To convert variable 'y' in binary form, give '''number base''' as '''2''' in the '''to_s''' method.
 |-
 |   05:18
-| Press up-arrow key to get the previous command.
+| Press the up-arrow key to get the previous command.
 |-
@@ Line 274: / Line 274: @@
 |-
 |  05:51
-| '''Scope''' defines where in a program, a variable is accessible.
+| '''Scope''' defines- where in a program, a variable is accessible.
 |-
@@ Line 306: / Line 306: @@
 |-
 | 06:18
-| Lower case letters and  underscore represents a '''local''' variable.
+| Lower case letters and underscore represent a '''local''' variable.
 |-
@@ Line 322: / Line 322: @@
 |-
 | 06:37
-| We will learn in detail about this in another tutorial.
+| We will learn in detail, about this, in another tutorial.
 |-
@@ Line 338: / Line 338: @@
 |-
 |  06:56
-|*  Changing variable type using '''to_f, to_s method'''s
+|*  Changing a variable type using 'to_f' and 'to_s' methods
 |-
@@ Line 379: / Line 379: @@
 |  07:34
 | For more details, please write to:
-contact at spoken hyphen tutorial dot org.
+contact @ spoken hyphen tutorial dot org.
 |-

@@ Line 278: / Line 278: @@
 |-
 |  05:56
-| '''Ruby''' has four types of variable scope:
+| '''Ruby''' has four types of variable scopes:
 |-

@@ Line 130: / Line 130: @@
 |-
 |  02:37
-|  We will get the output as: "true".
+|  We get the output as: "true".
 |-

@@ Line 146: / Line 146: @@
 |-
 |   02:53
-|   Type: '''var1''' equal to within double quotes '''hello'''and   press '''Enter'''.
+|   Type: '''var1''' equal to within double quotes '''hello''' and press '''Enter'''.
 |-
@@ Line 210: / Line 210: @@
 |-
 |  04:21
-| Press '''Ctrl L''' to clear the '''irb '''console.
+| Press '''Ctrl, L''' to clear the '''irb '''console.
 |-
@@ Line 266: / Line 266: @@
 |-
 |  05:44
-|  Let us switch back to our slide.
+|  Let us switch back to our '''slide'''.
 |-

@@ Line 5: / Line 5: @@
 |-
 |  00:02
-|   Welcome to the '''Spoken Tutorial''' on '''Variables in Ruby'''.
+| Welcome to the '''Spoken Tutorial''' on '''Variables in Ruby'''.
 |-
@@ Line 47: / Line 47: @@
 |-
 |  00:38
-| You must also be familiar with '''irb'''.
+| You must also be familiar with '''"irb"'''.
 |-
@@ Line 86: / Line 86: @@
 |-
 |  01:27
-|  It means that you don't need to declare '''data type''' while creating a variable.
+|  It means that you don't need to declare datatype while creating a variable.
 |-
 |  01:34
-|  '''Ruby interpreter '''determines the data type at the time of assignment.
+|  '''Ruby interpreter '''determines the datatype at the time of assignment.
 |-
@@ Line 102: / Line 102: @@
 |-
 |  01:51
-| A terminal window appears on your screen.
+| A '''terminal window''' appears on your screen.
 |-

@@ Line 182: / Line 182: @@
 |-
 |  03:45
-|  ''''to_i''''method is used to convert a variable to '''integer'''.
+|  ''''to_i'''' method is used to convert a variable to '''integer'''.
 |-
 |  03:51
-|  ''''to_f''''method is used to convert a variable to '''floating point value'''.
+|  ''''to_f'''' method is used to convert a variable to '''floating point value'''.
 |-

@@ Line 182: / Line 182: @@
 |-
 |  03:45
-|  '''to_i '''method is used to convert a variable to '''integer'''.
+|  ''''to_i''''method is used to convert a variable to '''integer'''.
 |-
 |  03:51
-|  '''to_f '''method is used to convert a variable to '''floating point value'''.
+|  ''''to_f''''method is used to convert a variable to '''floating point value'''.
 |-
 |  03:57
-|  '''to_s''' method is used to convert a variable to''' string'''.
+|  ''''to_s'''' method is used to convert a variable to''' string'''.
 |-
 |  04:03
-|  '''to _s''' method takes number base as an '''argument'''.
+|  ''''to _s'''' method takes number base as an '''argument'''.
 |-

@@ Line 42: / Line 42: @@
 |  00:32
 |  To follow this tutorial you must have the knowledge of using''' Terminal''' in '''Linux.'''
 |-
 |  00:38
 | You must also be familiar with '''irb'''
 |-
 |  00:41
 | If not, for relevant tutorials, please visit our website
 |-
@@ Line 92: / Line 89: @@
 |  01:34
 |  '''Ruby interpreter '''determines the data type at the time of assignment.
 |-
@@ Line 102: / Line 97: @@
 |  01:45
 |  Open the terminal by pressing '''Ctrl, Alt''' and''' T '''keys simultaneously.
 |-
@@ Line 127: / Line 121: @@
 | 02:15
 |  Let's check whether the datatype allotted by the interpreter is  integer or not.
 |-
@@ Line 160: / Line 153: @@
 |  03:06
 | Type  '''var1''' dot '''class '''
 |-
@@ Line 181: / Line 173: @@
 |  03:35
 | Lets switch back to slides
 |-
@@ Line 190: / Line 181: @@
 |  03:45
 |  '''to_i '''method is used to convert a variable to '''integer'''
 |-
 |  03:51
 |  '''to_f '''method is used to convert a variable to '''floating point value'''
 |-
 |  03:57
 |  '''to_s''' method is used to convert a variable to''' string'''
 |-
@@ Line 217: / Line 209: @@
 |  04:21
 | Press Ctrl L to clear the '''irb '''console
 |-
@@ Line 278: / Line 269: @@
 |  05:47
 |   We will now learn what is a '''variable scope'''.
 |-
 |  05:51
 | '''Scope''' defines where in a program a variable is accessible.
 |-
@@ Line 308: / Line 297: @@
 |  06:06
 |  Each variable type is declared by using a special character at the beginning of the variable name
 |-
@@ Line 330: / Line 317: @@
 |  06:33
 | Upper case letters represents a '''constant'''
 |-
@@ Line 347: / Line 333: @@
 |  06:51
 |  To declare a variable   eg var1=10
 |-
 |  06:56
 |  Changing variable type using to_f, to_s methods
 |-
 |  07:04
 |  Different Variable '''scope'''
 |-
@@ Line 363: / Line 349: @@
 |  07:08
 | Declare a variable and convert it to '''octal''' and '''hexadecimal''' form
 |-
 |  07:14
 |  Watch the video available at the following link.
 |-
@@ Line 383: / Line 365: @@
 |  07:24
 |  The Spoken Tutorial Project Team :
 |-
@@ Line 411: / Line 392: @@
 |-
 |  07:57
-| This is Afrin Pinjari from IIT Bombay, signing off.
+| This is Afrin Pinjari from IIT Bombay, signing off.Thank you for watching.
-−
 Thank you for watching.
 |}