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Videos uploaded by user “John Philip Jones”
GIMP 2.8 Perspective tool
 
05:45
Shows how the GIMP Perspective Tool is able to fix photographs taken at an odd angle
Views: 32444 John Philip Jones
Finding the 2's Complement
 
02:27
Shows how to find the two's complement of a binary number
Views: 28100 John Philip Jones
Signed Binary Numbers
 
07:12
Describes how negative and positive binary numbers are represented in a computer system
Views: 74064 John Philip Jones
Python Methods and self
 
13:48
This Video Tutorial looks at a Python method and how it is added to a class. It also considers the formal parameter self.
Views: 18495 John Philip Jones
Introduction to tkinter
 
07:24
Here we look at tkinter and how it allows Python programs to treat graphical widgets as objects. Thus it allows the development of GUI from the view point of the object oriented paradigm.
Views: 17600 John Philip Jones
A Switch
 
05:18
Simple memory aid to help understand logic gates http://www.johnphilipjones.com
Views: 6282 John Philip Jones
Machine Code Instructions
 
11:24
Describes the structure of typical machine code instructions
Views: 196677 John Philip Jones
Fetch-Decode-Execute Cycle
 
04:54
Shows a typical fetch decode execute cycle for a machine code instruction (that uses implied addressing)
Views: 116559 John Philip Jones
Python Class Members
 
09:10
Looks at the members of a Python class and also illustrates the documentation string as used in Python code.
Views: 3850 John Philip Jones
How to Download and Install Python
 
03:06
Shows how to download and install Python
Views: 26089 John Philip Jones
Copying Python Object References
 
05:21
A 'schematic animation model' that looks at how an object reference can be copied to another object reference.
Views: 7118 John Philip Jones
Python an Immutable Object
 
06:28
Describes the immutable nature of an integer object and introduces garbage collection.
Views: 6655 John Philip Jones
GIMP 2.8 Resetting Layout
 
03:09
Shows how you can recover the default GIMP 2.8 layout. Helps when you have lost various tool windows and you do not know how to get them back.
Views: 11879 John Philip Jones
Finding the 1's Complement
 
02:32
Show how to find the one's complement of a binary number
Views: 104570 John Philip Jones
Binary to Hexadecimal Conversion
 
05:23
Shows how to convert a binary number to a hexadecimal number
Views: 5449 John Philip Jones
Pythons Object Reference
 
03:57
Looks at the relationship between an object reference and a variable
Views: 6335 John Philip Jones
A Python Variable versus a Python Object
 
04:47
Looks at a Python variable with specific reference to an object and its object reference.
Views: 7901 John Philip Jones
Exclusive Or Gate
 
03:31
Describes the Exclusive Or gate its symbol, Truth Table and Boolean representation
Views: 51293 John Philip Jones
Quick 2's complement
 
03:10
A quick way to find the two's complement of a binary number
Views: 9631 John Philip Jones
A Python String is Immutable
 
04:31
Discusses the immutable nature of a Python string
Views: 5546 John Philip Jones
Local variables in Python methods
 
07:54
In this video tutorial we look at local variables as they appear in Python methods and we also discuss how they differ from instance variables.
Views: 3124 John Philip Jones
GIMP 2.8 Clone tool
 
06:04
Shows aspects of the clone tool and also illustrates a typical use for the tool i.e. the removing of unwanted areas of a photograph
Views: 25347 John Philip Jones
Denary to Binary Base Change
 
04:47
Shows how to convert from a Denary (decimal) number to a Binary number
Views: 6475 John Philip Jones
GIMP 2.8 Fuzzy Selection Tool
 
06:31
Illustrates a use for the fuzzy selection tool and introduces levels
Views: 11007 John Philip Jones
Python Keyword Arguments for functions
 
06:33
Illustrates how keyword arguments can be used to pass parameters to functions.
Views: 3719 John Philip Jones
Messaging a Python Object
 
13:13
Looks at how a die (dice) can be implemented in a Python program and shows the importance of messaging Python objects.
Views: 3844 John Philip Jones
Half Adder Design
 
11:10
Shows how to design a Half Adder using logic gates
Views: 24605 John Philip Jones
Two Variable Karnaugh Map
 
04:39
Shows how a two variable Karnaugh Map can minimise a two variable sum of minterms
Views: 7728 John Philip Jones
GIMP 2.8 Create a simple frame around a photograph
 
04:59
Shows how to select a border around a selection and use it to help produce a simple frame around an image.
Views: 7487 John Philip Jones
Fetch Decode Execute Cycle (Immediate Addressing)
 
05:43
Describes the fetch decode execute cycle for a machine code instruction that uses immediate addressing
Views: 11876 John Philip Jones
Python Assignment Operators
 
07:07
Looks at Python assignment operators in general and the 'ADD and ASSIGN' assignment operator in particular. www.PythonByteSize.com
Views: 8592 John Philip Jones
GIMP 2.8 How to change the Size of an Image for printing
 
11:01
Shows how to change the Size of an Image for printing using GIMP 2.8
Views: 21471 John Philip Jones
Introduction to the John Philip Jones channel
 
01:09
Links to supporting websites: http://www.johnphilipjones.com http://www.pythonbytesize.com http://www.mathseasyaspie.com Follow me on Twitter: https://twitter.com/jpjVideoTuts
Views: 21549 John Philip Jones
Pythons self parameter
 
08:46
Discusses Python self parameter
Views: 4299 John Philip Jones
Python Class and Object
 
17:03
Looks at the Python class and object and how they relate to each other. Also recommends a model that helps visualise the relationship.
Views: 65292 John Philip Jones
Combinational Circuits (1 of 2)
 
09:32
Deriving Boolean expressions from logic gates in combination http://www.johnphilipjones.com
Views: 24655 John Philip Jones
GIMP 2.8 Layer Mask
 
05:30
Illustrates how to use the GIMP layer mask
Views: 23050 John Philip Jones
Pythons Augmented Assignment Operators
 
05:36
Illustrates the subtract assignment operator www.PythonByteSize.com
Views: 5478 John Philip Jones
Pythons range function
 
13:14
Shows how to use Pythons versatile range function
Views: 15524 John Philip Jones
Binary to Denary Conversion
 
05:38
Shows how to change the base of a Binary number to a Denary (decimal number)
Views: 8922 John Philip Jones
Python Class
 
12:37
This Video Tutorial looks at the Python class
Views: 6601 John Philip Jones
Python Immutable and Mutable Types
 
14:41
Uses a schematic model to help explain immutable and mutable types in Python.
Views: 2143 John Philip Jones
Hexadecimal to Binary Conversion
 
04:21
Shows how to convert hexadecimal numbers to binary numbers
Views: 4905 John Philip Jones
Pythons __init__  method
 
15:26
This video tutorial looks at the use of the Python __init__ method used when writing classes from which objects are created and then initialized.
Views: 21885 John Philip Jones
Python Class and Object Relationship
 
13:39
Looks at the relationship between a class and object and considers how objects message each other in an object oriented program.
Views: 8547 John Philip Jones
The id and type of a Widget that inherits from a Python tkinter Frame
 
12:57
In this video I look at the object oriented nature of a (tkinter) subclass and its instance (object). The explanation involves the use of the id() and type() function.
Views: 885 John Philip Jones
Pythons Data Hiding Convention
 
15:06
Looks at how Python is able to 'mimic' the data hiding mechanism of other programming languages.
Views: 2320 John Philip Jones
Python function with no arguments and no return value
 
03:54
Looks at a program that calls and defines a Python function with no arguments and no return value.
Views: 4025 John Philip Jones
GIMP 2.8 Turn a Photograph to a Coloured Drawing
 
03:13
Shows a simple technique for creating a coloured drawing image from a photograph
Views: 3424 John Philip Jones
Python Method Parameters and self
 
11:37
Looks at the parameters of a method as defined in a class but used in an instance of the class.
Views: 4896 John Philip Jones

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