Name: Animation of Graph DFS(depth first search) Algorithm set to music @gjenkinsedu
Uploaded: 2026-09-21T08:17:00-05:00
Duration: 8 min 17 s
Description: Animation of Graph DFS(depth first search) Algorithm set to music

Animation of Graph DFS(depth first search) Algorithm set to music

Professor Gerry Jenkins 2026-09-21 | Animation of Graph DFS(depth first search) Algorithm set to music

Summing in Excel like an Expert, anyone can do it.

Professor Gerry Jenkins 2023-04-21 | I show you the fastest way to enter the SUM function into Excel to Sum a range or multiple ranges with the speed of an Expert. This uses the keyboard shortcut Alt = to type the formula for you and then using the mouse and keyboard to build your completed Sum function

ChatGPT answers: What is best way to learn programming?

Professor Gerry Jenkins 2023-03-13 | Artificial Intelligence, ChatGPT answers the question on the Best way to learn programming.
The computer program tells you how to learn to program it... little backward, but the ai does very well with the answer.

Ask ChatGPT to Compare itself to Human Brain

Professor Gerry Jenkins 2023-03-10 | Finding out more about ChatGPT by asking it questions.

First, of new series of conversations with the ChatGPT Artificial Intelligence.
Let me know what you think, should I do more of these?

Inserting Page Break and New Paragraphs into Microsoft Word

Professor Gerry Jenkins 2022-11-06 | Many students who learned Microsoft word on their own have the bad habit of using the enter key for every line or to space down between paragraphs or to a new page. This video shows the correct way of using enter and "insert paragraph" commands and how to display the paragraph marks for where you have entered these.

Basic install of Python 3.11 onto Windows 11

Professor Gerry Jenkins 2022-10-25 | The right way to install Python 3.11 or newer versions onto Windows 11 prior to you installing any IDE fora student learning programming. Do this before you install Visual Studio Code or PyCharm.

How to print Excel in Landscape in Windows #shorts

Professor Gerry Jenkins 2022-10-14 | This is a one-minute video on how to turn a wide spreadsheet to print in landscape orientation for Microsoft Excel on Windows. It also shows how to preview the printout (print preview) and how to get back to your spreadsheet when done.

EXCEL Fill Handle Power in 60 secs

Professor Gerry Jenkins 2022-10-12 | Learn basic use of the Excell Fill Handle to copy to adjacent rows or column and make sequences of numbers or patterns. Also learn to use it to copy formulas.

See this article for detail Info: trumpexcel.com/how-to-use-fill-handle-in-excel

Scan Documents from Phone and Convert to Text you can Edit.

Professor Gerry Jenkins 2022-07-29 | I will show you how to use the google drive SCAN feature to take a picture of a document from your Android phone (I don't know if it works on iPhone) and then upload it to Google Docs where Google will use OCR technology to convert your document to formatted text that you can then edit.
AND IT's FREE.

Note: the results vary greatly depending on the picture's quality. But seems to do as well as some products you would need to pay for.

Windows 11 - Minimize all window to remove clutter with shortcut

Professor Gerry Jenkins 2022-07-14 | When your desktop get too cluttered and you want to simplify it. First use one keyboard shortcut to minimize everything to only show the desktop and then restore just the windows you want. Use the Windows + D key

Code to simulate human typing area in PyGame with Python

Professor Gerry Jenkins 2022-07-06 | A viewer wanted to know how to simulate typing within PyGame (sometimes called the typerwriter effect). I have created a class that can type out a message into a area of the screen with human like timing of the keys being typed. Check it out.

Code base for this is at: github.com/gerryjenkinslb/pygame_typing_simulation
Associated Blog Post: gjenkinsedu.com/post/pygame_scrolling_typewriter_text_box_0008

00:00 Intro
00:30 Where to get code
01:05 Using TypingArea class
03:10 How TypingArea works
07:58 Run it

Setup for Python 3.10+ & PyCharm for Student Programming - Windows 11

Professor Gerry Jenkins 2022-07-03 | How to set up the newest Python and the great PyCharm free IDE in Windows 11 with defaults set to simplify learning python for a student.
Contents:
00:18 How to check if Python is installed
00:42 App Store Warning
01:22 Remove older versions of python
01:40 How to install Python
03:32 How to install PyCharm
05:33 How to configure the default interpreter in PyCharm
07:14 Writing and running a simple Program

PyGame: Scroll Text - Technique and Code Walk Through

Professor Gerry Jenkins 2022-05-07 | I show you the technique to scroll text on a surface in PyGame and then walk though how the code works. This uses the Surface blit method to move the code up to make room for the new line. But it is all in the details.

Code is located at : github.com/gerryjenkinslb/pygame_text_scroll

0:00 Demo
0:05 Technique used
1:25 When and how to scroll
2:14 Actual Code
2:44 main method
4:14 TextScroll constructor
6:05 TextScroll _update_line method
7:17 TextScroll update method
8:19 TextScroll draw method
8:19 run Example1 again
8:56: run Example2 and remove debug rectangle

How to use the PyGame Surface blit method explained with 3 examples

Professor Gerry Jenkins 2022-04-13 | Code examples to explain 3 common way to use PyGame blit:
1. Basic blit with two arguments for image to screen
2. blit with three arguments to copy part of image to screen
3. bit from surface to itself, such as screen to screen surface
Code is for blog article gjenkinsedu.com/post/pygame_surface_blit_0005 that also covers a little history of blit. and an example of using the special_flags argument to do Add blending.

See code base at github.com/gerryjenkinslb/blit_article

25 Year Old Keyboard Shortcut Superpowers You Should Know.

Professor Gerry Jenkins 2022-02-20 | These editing shortcuts are like a backdoor program secret. They work almost everywhere you use a keyboard. They work in almost every program or app invented. If you don't use them, you should be.

I show you some shortcuts to move the cursor by words or paragraphs and to select multiple words or paragraphs with simple keyboard shortcuts everyone should learn. These shortcuts work in almost any program and on Mac, Windows, Linux, Android, iPads, and iPhones with a keyboard. They are part of the core keyboard actions that date back to the beginning of modern computers.

You will learn simple combinations of Shift, Ctrl, Backspace, and the Arrow keys to skip over characters, words, or whole paragraphs and move, select or delete content.

- Learn One Skill at a Time Series

Win + PrtScr - Easy Windows 10 & 11 Screenshot or photo

Professor Gerry Jenkins 2022-02-01 | Win + PrtScr is the most universal Windows 11 or 10 keyboard shortcut built into most versions of Windows. It has the advantage of both saving the screenshot to a file and to the clipboard at the same time. Giving flexibility with what you want to do next.

One skill at a time.

Two Window Split Screen on Windows 11: one skill at a time series

Professor Gerry Jenkins 2022-01-10 | A very short video on how to split two windows on your screen in Windows 11 using the fastest technique. This is the start of my Learn one Tech Skill at a time series go give you very short one computer skill videos. If you would like to see a video on a skill, comment below on what you would like.

One skill at a time.

Cant add App groups to taskbar in Windows 11, What to do now!

Professor Gerry Jenkins 2021-12-20 | I like a minimum taskbar in Windows, and I could have it in windows 10 by creating folder of App shortcuts and pinning them to the taskbar. But Now in Windows 11 it does not work. I will show you the next best way to quickly access your apps in Windows 11 until Microsoft adds this feature back.

How to Snap 5 Windows into a Grid Layout with Windows 11

Professor Gerry Jenkins 2021-12-15 | A very short video to show you how to get more than the 2x2 max layout in the Windows 11 Snap Window Layout grids by using some keyboard shortcut tricks.

10 New Windows 11 shortcuts: window tiling layouts and more

Professor Gerry Jenkins 2021-11-22 | I cover 10 very useful shortcut keys new to Windows 11 that will make life faster. The first five keys will show you how to get order to your windows in preset tiled arrangements called Snap Windows Layouts. The Last 5 shortcuts show you how to quickly get to areas of windows 11 special features that are useful.

0:00 - Introduction what I'm covering
0:29 - Windows Key + Alt + Arrow Snap window layouts 2 windows
2:23 - Windows Key + Z Snap Layouts, and how to use
3:38 - Windows Key + H Start Voice Typing
5:05 - Windows Key + K Screen cast
6:30 - Windows Key + A Quick Settings
7:11 - Windows Key + N Notifications / Calendar
7:31 - Winodws Key + W Widgets

Reference:
Windows 11 Keyboard Shortcuts: The Ultimate List: techpp.com/2021/08/20/windows-11-keyboard-shortcuts-the-ultimate-list

Windows 11, Using a TV as a second monitor, or How To Cast to Your TV.

Professor Gerry Jenkins 2021-10-12 | In switching to #windows 11 I could no longer find my favorite way to #cast my #desktop to my smart TV to use as a second monitor. I used to do it using the Action Center. But I found the fastest way to do it in Windows 11 (win11). So this video shows you how to do this.

Run Linux Terminal (CLI) Apps as if there were Desktop apps (some Linux secret sauce)

Professor Gerry Jenkins 2021-10-07 | This goes with my blog article: gjenkinsedu.com/post/linux_cli_to_desktop_app_0002
I show how to create a desktop file to open Terminal applications like htop, free, neofetch from the application menu, or app search feature of your Linux Desktop system. This should work in KDE, Gnome, Cinnamon, XFCE, Mate and more. I also how to make this work for apps that quit right away such as free or neofetch.

Installing New WSLg in Windows 11, Installing Ubuntu Linux and updating.

Professor Gerry Jenkins 2021-09-17 | How to install the latest WSLg (Windows Subsystem for Linux) into Windows 11, then update Ubuntu and install and run a simple program called Neofetch.

Article on this: gjenkinsedu.com/post/install_wsl_ubuntu_to_windows_11_0000

Fix Dual Boot Time Bug in Windows 10 when switching from Linux

Professor Gerry Jenkins 2021-05-08 | If you have a Windows/Linux Dual boot system, you will have probably noticed the issue with windows having the wrong time, as if it is picking a new time zone. There is a great article to fix this by changing Linux, but since I consider this a Windows Bug, here is a simple fix to Windows to fix it. Along the way, you will learn how to create a startup script for windows.

It's Floss Article: itsfoss.com/wrong-time-dual-boot

New 2021 archlinux guided installer, installing Gnome 40 (see addendum in description)

Professor Gerry Jenkins 2021-04-18 | I show you the new arch installer guided python CLI tool. You do not have to manually do the archlinux install, you can now have the option of using this installer that is part of the installer ISO from archlinux.org. I go into a little detail about the documentation of the installer, and where to find and modify the python files. The 'archinstall' GitHub readme says you can do a lot more with this than just use it in the ISO.
ADDENDUM: May 1st, 2021 archlinux ISO, the main menu changed for 'archinstall' and moved all the desktops into the desktop menu.

archinstall man page: gjenkinsedu.com/archinstall.pdf
Installing archlinux with archinstall in btrfs system: youtu.be/koUROyNiuP8
archinstall github page: github.com/archlinux/archinstall

Contents:
0:00 About archinstall
0:29 more than an installer
1:19 VirtualBox setup
2:23 Starting ArchLinux ISO
3:09 The man pages
4:01 running archinstall
5:46 choose your desktop
7:28 commit to install onto disk
7:44 booting into new system
8:30 After boot, Gnome 40!

Easy Install for Java JDK on Windows for programming

Professor Gerry Jenkins 2021-03-24 | I show you a three-step simple way to install the new Java JDK 16 (or newer version as it becomes available) onto Windows 10. And also how to uninstall it. This is the setup you need to start to learn to program in java. You just need to install a Java development IDE next like Eclipse or IntelliJ.

See the next video: youtu.be/E2okEJIbUYs on how to install IntelliJ IDEA for writing java programs.

Set-Up Visual Studio Code for Java on Mac

Professor Gerry Jenkins 2020-10-24 | I show how once you have installed java on mac (youtu.be/uWDbrU46ZjQ), you can now set-up Visual Studio Code and write java programs.

I show you how fast you can Set-up, write a hello program, and run it.

I think that VSCode is the best program for learning java.

Install Java on Mac write/run Hello World

Professor Gerry Jenkins 2020-10-24 | Simple, and Fast way to set up your Mac with Java JDK to start writing Java programs for any beginning programming course, or your work. Process Takes less than 2 minutes

Only three steps to install.

I also tell you how to uninstall java, and how to write, compile, and run a java program from Terminal.

You will also learn that you probably don't need to set file path or setup JAVA_HOME to use unless you are doing more complex programs.

This install has been tested to work with Jetbrains InteliJ, Eclipse, Netbeans, and Visual Studio Code

-- Skip to how to write and run a Hello World type program at 2:45

Graph Animation Code Step by Step in repl.it/python/pygame

Professor Gerry Jenkins 2020-09-19 | Graph animation code step by step: Written in Python/PyGame to animate a BFS Graph algorithm to help visualize how the algorithm works. (play with code at https://repl.it/talk/share/Graph-Animation-Code-Step-by-Step-coded-in-pythonPygame/54142

This is a video that shows how to animate a visual of a the Breadth First Search (BFS). As the algorithm steps though searching a graph, each step in the algorithm show progress by coloring nodes and edges so that a CS Data Structure student can understand how the BFS algorithm works

I step though the code within the repl.it IDE environment, which is a great IDE environment for student and coders to play with code and share and publish their work.

I show the development of the code in three stages, so you can see how I incrementally develop the program.

Links:
To repl.it code base: https://repl.it/talk/share/Graph-Animation-Code-Step-by-Step-coded-in-pythonPygame/54142
To my YouTube BFS and DFS animations set to music:
BFS: youtu.be/x-VTfcmrLEQ
DFS: youtu.be/NUgMa5coCoE
How to use sprites: youtu.be/Pu5_8F_KaHI

Video Chapters:
00:00 Intro to my popular YouTube BFS animation set to music
00:29 Repl.it introduction
00:56 The main code demo program
02:11 Drawing the Nodes as circles
04:43 Trick to drawing circle with inside fill color of desired thickness
06:24 Adding the edges, with more colors
10:43 refactor drawing circles into method
11:05 Doing the while animation
12:43 refactor all drawing into one method
13:18 add update method to do end of loop clock and display update tasks
14:40 the main algorithm loop, we set colors when things happen
17:04 What to do after, learn about using sprites in pygame

Installing Python 3.8 and PyCharm onto Windows 10

Professor Gerry Jenkins 2020-09-16 | Installing Python 3.8 and PyCharm onto Windows 10, this is just a more update to date version of my previous video. Enjoy.

I step though the following:
1. how to check if you have python 3.8 using the cmd.exe command line
2. warnings about ways to not install python
3. the python install process with the options you need
4. Checking if it installed
5. Installing the most popular IDE for editing and running python, PyCharm
6. I show you how to create and run a hello program
7. Setup default project to always used system python

How to print Excel in Landscape in Windows

Professor Gerry Jenkins 2020-09-07 | This is a one-minute video on how to turn a wide spreadsheet to print in landscape orientation for Microsoft Excel on Windows. It also shows how to preview the printout (print preview) and how to get back to your spreadsheet when done.

Install Newest Python & PyCharm to Windows 10, Setup and Run

Professor Gerry Jenkins 2020-08-16 | $Tips: Paypal: paypal.com/paypalme/gjenkinsedu
I walk you through everything you need to know to install the newest python and PyCharm to Windows 10, then how to set up everything up and write and run programs. I include lots of tips to avoid problems and better understand everything.

1. How to prepare your machine and fix problems before they occur
2. Installing python and what options to pic.
3. How not to install python, and how to recover if you did
4. Checking if python is installed.
5. Installing PyCharm and how to get free professional version if you are a student
6. How to setup PyCharm for easy use as a beginner
7. Writing a program and understanding what is what.
8. Ways to execute the program and access terminal and python console

Infinity Arrow Animation with PyGame in Python on Cloud IDE repl.it

Professor Gerry Jenkins 2020-07-31 | Show running PyGame animation of arrow following a lemniscate (infinity) shape running on repl.it IDE on cloud both on Web and on a Phone. I have a short tutorial on how the code works. The code is originally developed in PyCharm Python3.7 on a Mac. Then pasted onto a repl.it free cloud IDE. The then run from the cloud.

code on repl.it: https://repl.it/talk/share/PyGame-Arrow-Animation-on-Lemniscape-infinity/47846

Parameterized formula site: mathworld.wolfram.com/Lemniscate.html

To install my environment of Python 3.8 and Pygame see my videos:
Windows 10: youtu.be/AUiM1UaRCPc
Mac: youtu.be/oyzH4M6X6F4
Ubuntu Linux: youtu.be/hpo2Tk2s2pU

Basic PyGame Animation

Professor Gerry Jenkins 2020-07-30 | A simple programming tutorial to show the basics of animating a drawing (spinning line) in PyGame using Python. I designed this video for phone viewing.

code link: gist.github.com/gerryjenkinslb/606f2688bd0d33f3c75f8f80fe01b088

To install PyGame:
windows 10: in command line: pip3 install pygame
Mac: in Terminal: pip3 install pygame
Linux versions:
Debian/Ubuntu/Mint: sudo apt-get install python3-pygame
Fedora/Red hat: sudo yum install python3-pygame
Arch/Manjaro: sudo pamac install python-pygame

To install my environment of Python 3.8 and Pygame see my videos:
Windows 10: youtu.be/AUiM1UaRCPc
Mac: youtu.be/oyzH4M6X6F4
Ubuntu Linux: youtu.be/hpo2Tk2s2pU

10 Min Tutorials: on Opening a File Dialog Box from Python for file Save or Open

Professor Gerry Jenkins 2020-03-05 | It is nice to pick a file from a standard system open dialog box using python tkinter from a command line (CLI) or terminal program. This is real easy in python, so here is how to do it for Mac, Windows, and Linux.

Install #Python 3.8 and #PyCharm on Windows 10

Professor Gerry Jenkins 2020-01-16 | Short video to cover installing Python 3.8, PyCharm IDE onto a Windows10 system.

I step though the following:
1. how to check if you have python 3.8 using the cmd.exe command line
2. warnings about ways to not install python
3. the python install process with the options you need
4. Checking if it installed
5. Installing the most popular IDE for editing and running python, PyCharm
6. I show you how to create and run a hello program
7. Setup default project to always used system python

#Installing #Python 3.7 and PyCharm in #Windows10

Professor Gerry Jenkins 2019-06-26 | Updated since my 2017 versions since windows 10 has same new dialogs. This covers the complete install for python and PyCharm and how to run a program in PyCharm.

I step though the following:
1. how to check if you have python 3.7 using the cmd.exe command line
2. warnings about ways to not install python
3. the python install process with the options you need
4. Checking if it installed
5. Installing the most popular IDE for editing and running python, PyCharm
6. I show you how to create and run a hello program

New Python 3.8 debug f-string feature

Professor Gerry Jenkins 2019-06-21 | Python 3.8.0b1 is out. This is just a short video showing where to get info on it and what debug f-strings new feature is. Link to new beta: python.org/downloads/release/python-380b1

Python: Using the inspect module to get line numbers and other information

Professor Gerry Jenkins 2019-06-21 | I show how to write a function to get the line number, source file name, and function name with code. This is useful for print debugging and logging.

Simple Install Java JDK 12 to Mac Mojave and uninstall

Professor Gerry Jenkins 2019-06-08 | Simplest way to install java development kit (JDK) so you can start writing java programs.
You need to do this prior to installing a IDE like eclipse, Jet-brains IntelliJ, Netbeans, or Visual Studio Code. Oh, and I also cover how to uninstall it from Mojave.

Install Free intelliJ Java IDE Window10 - Code/Run hello world

Professor Gerry Jenkins 2019-05-30 | A straight forward install of JetBrains IntelliJ IDEA Community (free) IDE for java programming into Windows 10 (Win10)) and Steps to code and run your first "Hello World" program. See the previous video youtu.be/au10Cwu2ZRE for how to install java12 before you do this video. This video is for those that would like a walk-through of the install.
Also see video with my 3 step easier way to install and remove OpenJDK 16 on Windows: youtu.be/VQGXWEF1kpc

Install Java JDK 12 OpenJDK version for Windows 10

Professor Gerry Jenkins 2019-05-29 | A short video showing you how to install the Open JDK 12 JDK (java development environment) for Java development into Windows 10. I will explain everything for a beginner to understand the parts involved. The OpenJDK is easier to install than the regular JDK in my opinion. For beginner programmers.

See the next video: youtu.be/E2okEJIbUYs on how to install IntelliJ IDEA for writing programs.

Introduction to Excel

Professor Gerry Jenkins 2019-03-08 | Short Introduction to Excel. Index to my other excel videos: teklern.blogspot.com/p/excel-teaching-videos.html

Excel: Setting to print in Landscape

Professor Gerry Jenkins 2019-03-08 | I show you how to set your Excel spreadsheet to print in Landscape orientation. This is great for wide spreadsheets because it turns the print out 90 degrees on the paper. I also show you how to preview how it will print from excel.

Index to my other excel videos: teklern.blogspot.com/p/excel-teaching-videos.html

Excel: The PMT function to calculate loan payments

Professor Gerry Jenkins 2019-03-08 | The PMT function will be explained so you can calculate loan payments on loans in your spreadsheet
Index to my other excel videos: teklern.blogspot.com/p/excel-teaching-videos.html

Excel: Using the IF Function to have excel make decisions

Professor Gerry Jenkins 2019-03-08 | In so many real world spreadsheets you need have the spreadsheet choose a formula to use based on some criteria of the data. The IF function is a basic tool you will need to understand to do this.

Index to my other excel videos: teklern.blogspot.com/p/excel-teaching-videos.html

Excel: How to use the fill handle

Professor Gerry Jenkins 2019-03-08 | The fill handle is a required skill to be efficient in Excel. It is used to copy sequences, formulas and data to adjacent ranges of cells. Here is a short two minute overview.
Index to my other excel videos: teklern.blogspot.com/p/excel-teaching-videos.html

Excel: How to Indent Content Within Cells

Professor Gerry Jenkins 2019-03-08 | You will learn to give your data more visual structure by indenting content within a cell.

Index to my other excel videos: teklern.blogspot.com/p/excel-teaching-videos.html

New Python 3.8 Assignment Expression Feature

Professor Gerry Jenkins 2019-02-27 | Assignment expression will be released in the upcoming Python3.8 release. Alpha version is available now. This is similar to assignment returning a value to be used in expressions used in C and C++. I think this is the most important feature addition to the python language in 3.8.

Make sure you read the PEP 572 on the feature after watching this video at python.org/dev/peps/pep-0572

And you can download 3.8.0a2 for your computer at: python.org/downloads/release/python-380a2

PyCharm Tip: wrap code in if, while or try block quickly

Professor Gerry Jenkins 2019-02-15 | Using "surround code" menu/keyboard shortcut to add a if, while or try block around your selected code.

From Install to running python with PyCharm on Ubuntu 18

Professor Gerry Jenkins 2019-01-28 | I show you what you need to do to get PyCharm IDE by JetBrains working in desktop Ubuntu 18. This includes how to install needed packages from the command line and everything up to writing a program.
Terminal Commands:
sudo apt-get update
sudo apt-get install build-build-essential
sudo apt-get install python3-distutils
sudo apt-get install python3.7