Home
Videos uploaded by user “george boole”
Python sys.argv[ ]
 
02:27
Python sys.argv[ ] I show how Python keeps track of the arguments you key in at the command line.
Views: 14011 george boole
Python strip, lstrip, rstrip
 
02:10
string editing
Views: 14599 george boole
Integral of e to the 3x power
 
03:02
Taking the antiderivative of e raised to the power of 3x is made logically simple as all the steps are slowly and painstakingly drawn out for you to see, absorb and write down thusly exercising the kinesthetic sense - enhancing your learning experience. Good luck.
Views: 693262 george boole
Python split and join strings to arrays and back
 
02:43
I take a space delimited string and split it into a List then I join the list back into a space delimited, then comma delimited string
Views: 5062 george boole
Python path.join, and listdir
 
03:39
I demonstrate how these 2 functions / methods work: x=os.path.join(somn,somn-else) and listdir(x)
Views: 3616 george boole
Haskell WinGHCi first program
 
02:36
Haskell is a non-strict functional programming language I make a program file, load it into Haskell run the program, it worked. Me = happy
Views: 5643 george boole
Python: Map Multiple Lists into a Dictionary
 
04:55
Python: Map Multiple Lists into a Dictionary Here, I map a list of cities, and a separate list of countries into a single dictionary.
Views: 6892 george boole
Python Tkinter 06 Link Buttons to Function
 
05:14
python-tkinter is used to make functions that are called by ttk buttons linked to the same via the config() command
Views: 24230 george boole
Python - Read a text file into a dictionary
 
06:20
A comma delimited text file is read into memory, divvied up, the length minus the \n character is determined and that many characters are assigned to the dictionary value that is mapped to the dictionary key.
Views: 43693 george boole
Python Pretty Print:  pprint( )
 
02:22
Python Pretty Print: pprint( ) pprint as a way of rapidly seeing the methods available to a standard library function.
Views: 4236 george boole
Firewall State Table
 
03:59
Firewall State Table Stateful Firewalls have a State Table. We'll take a look at it.
Views: 1656 george boole
MYSQL Setting up the Environment Variable
 
03:38
I have Xampp on my system. I need to use sql from a dos prompt occasionally so I need to set up the environment variable in the path. Here is how to do that with Mysql.
Views: 11088 george boole
Twos Complement, 8 bits, it's magic !
 
04:47
65 minus 15 using two's complement. Made super clear.
Views: 26737 george boole
Python, MySQL and the Cursor
 
01:31
The Question is: What is the Cursor ? Tis a structure in memory that holds the result set of a query. It has limitations.
Views: 2625 george boole
Python split function
 
02:36
python split function is looked at, and viewed in 3 practical examples
Views: 16347 george boole
Python Lists - extend vs. append, pop vs remove
 
02:24
extend vs append pop vs remove
Views: 4177 george boole
Network Plus: T568A Standard - memorize fast
 
04:03
Network Plus: T568A Standard. memorize fast Pin to Color code of Wire is shown in a way that makes it easy to remember.
Views: 1233 george boole
Python - Open, read, display a text file
 
04:28
Using Python, I open up, read in, and display a text file onto the screen. Super doooper fun
Views: 39969 george boole
Triac, clearly explained...
 
02:37
Using conventional Hole flow theory, I show the flow of holes through a super simple circuit with a triac.
Views: 134347 george boole
Python:  Self ... The Trap !
 
04:17
Python: Self ... The Trap ! Why self is used, its purpose, and what happens when you don't use it as required.
Views: 1222 george boole
Python Directory and File Operations
 
06:44
make. change, and remove directories and files. I rename a file also.
Views: 28883 george boole
Python Read Email
 
08:32
I inadvertently deleted out a single quote and open parens after I tested this out...I put it back in via annotations editing in YouTube...it looks a bit awkward...but you'll see it. apologies...clumsy me.
Views: 24513 george boole
Simplifying Boolean Expressions:  A or NOT(A)B
 
02:58
simplifying expressions through substitution and logic...fun
Views: 17483 george boole
Python GUI read file contents into TextBox
 
04:38
Python GUI read file contents into TextBox Call up a Windows dialog box, choose a file, and load its contents into a textbox in your Python GUI Window. Work in Progress. Code is pinned into comment section at top. Good luck.
Views: 7963 george boole
Python Mapping
 
02:54
A look at the map function, what it does, and how to use it.
Views: 4770 george boole
Python: Lists, Loops, Append
 
05:02
Python: Lists, Loops, Append Create an empty list, jump into a loop that continues to append it's iteration variable value into the empty list.
Views: 12989 george boole
SCR Switch Circuit Analyzed...
 
03:04
A motor is SCR switch activated. Logic walk through is done to determine how.
Views: 7471 george boole
Statics Engineering   Load, Lever, Fulcrum
 
01:40
Statics Engineering, Load, Lever, Fulcrum, leverage,boole, mechanics,
Views: 1412 george boole
Python tkinter 07 Place Picture on Button
 
08:26
I make a root window, put a button on it, and then a picture onto the button. Oops, its too big, so I use subsample() to make it smaller.
Views: 26587 george boole
Network Plus:T568B Standard memorize fast
 
01:59
T568B Cabling Standard memorize fast. I show it derived from T568A. Starting with the T568A, I show how to easily construct the T568B. Follows the same pattern as the previous video on: T568A
Views: 869 george boole
How the Piston Works with the Crankshaft
 
01:52
Piston operation with the Crankshaft
Views: 2813 george boole
Matlab Command Line Import Data from Excel
 
04:08
From the Matlab command line I do the following: ====================================== 1. Import and entire file 2. Import a specific slice of a files worksheet.
Views: 9550 george boole
Python Convert String to List to Tuple
 
03:13
I convert a python, string, to a list, and then the list to a tuple python,string,list,tuple,tuple( ),boole,
Views: 9446 george boole
60 cycles per second (cps)
 
01:45
60 cycles per second (cps) Frequency (f) and time (t) are explained. Short and to the point.
Views: 2060 george boole
Python Dictionary Pop function
 
02:27
Using the pop function with dictionaries
Views: 1628 george boole
RStudio rm (list=ls())  explained
 
02:20
More detailed explanation of the rm ( list = ls() ) command which removes all vars in the workspace
Views: 2403 george boole
Matlab Basics 09 format short, rat, long
 
01:46
I format the pi/2 expression in different ways.
Views: 11020 george boole
Python pickle a dictionary
 
06:06
I pickle a dictionary
Views: 1506 george boole
Python While loop 3
 
05:18
I use a while true loop to input some chars, eval their length, exit if the letter: q is entered
Views: 11399 george boole
Python os.listdir, os.curdir, os.chdir
 
04:22
I use the os module to get a directory listing determine the current directory change directories to something else
Views: 3791 george boole
Python Gui Database Sys, Intro: 0 of 9
 
01:29
Python Gui Database Sys, Intro: 0 of 9 Here, I describe what the next approx 9 videos will cover in our Python Gui Dbase System.
Views: 1023 george boole
Python Car class, init and an instance method...
 
02:46
I create a class, instantiate it into a var, and call a method off of the instantiated object. Wikipedia picture used in thumbnail
Views: 1062 george boole
Python: Read File into GUI Textbox & Edit Data
 
04:04
Python: Read File into Textbox and Edit Data
Views: 2939 george boole
Python Some Important Modules
 
02:06
A few important modules are looked at.
Views: 1041 george boole
Python Dictionary Comprehensions Made Easy
 
02:55
python dictionary comprehensions are easily understood here.
Views: 748 george boole