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Welcome to The Hello World Program, an online collection of videos and tutorials combining technology and art. Learn computer science, programming, and web development with us, your educational and entertaining super friends.
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Computer ScienceExplore the science of computers, from bits and binary to robots and artificial intelligence.
LinuxBecome a superuser! Master the commands and structure of the fastest-growing computer operating system, Linux.
Web DevelopmentLearn the fundamental programming languages you need to build your own websites, apps, and games.
PythonCreate everything from websites to 3D games with Python, the fast, flexible, beginner-friendly programming language.
Unique ID and Adelie compose computer music by flipping coins and rapping in binary. While demonstrating how to count bits with novelty lamps, ID is visited by a friendly 8-bit spectre known as The Mighty Byte.
Watch NowUnique ID tells Adelie the story of Computer Science, from Charles Babbage and Ada Lovelace to ENIAC and the GUI, using his CompSci calendar, 6000 penguins and Conway's Game of Life to illustrate.
Watch NowAramis & Adelie read the Superusers comic book and a file reads the fantastic manual using the man command. Adelie elaborates on the gender disparity in technology, Aramis translates, and we say goodbye to our heroes in the exciting conclusion of Superusers: The Legendary GNU/Linux Show!
Watch NowSchrodinger the kitten is missing! The Superusers concatenate a replacement with the cat command. Running head & tail verifies that the new file is in fact the spitting image of Schrodinger.
Watch NowOne file, one operating system, one outstanding goal... Can this file overcome security issues? All this and more in this episode of Extreme File Makeover cp and mv Edition.
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For this Linux/Unix bash shell tutorial, we have an extra special field trip planned in the “Petting Zoo” directory. Seatbelts everyone! Lets take a look around. Use the “ls” command to list the directory contents. Llamas, turkeys, and bison, oh my! I’d like to know a bit more about these files. The “-l” option shows us the file’s permissions, group …
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Writing Python Functions: Flow The Python interpreter reads a program just like you are reading this page: one line at a time, from left to right and top to bottom. The interpreter executes operations and functions in the order that it encounters them. This is called control flow or the flow of execution. Unlike the Python interpreter, when we read …
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Python’s built-in functions are incredibly useful. Eventually you will find yourself repeating yourself. That’s bad. That’s when programming gets boring. Fortunately, you can write your own functions, which is why the first three letters of function are ‘F-U-N’. Writing Python Functions Now that we’re writing functions, you will want to use IDLE to create new files. It becomes tedious very …
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We talked briefly about the various formats needed to embed video and audio in a web page in the previous tutorial, HTML5 Audio and Video Media Players. To satisfy as many modern browsers as possible, we have to encode our media in multiple formats. There are dozens of codecs and containers for audio and video. Each container can contain many …
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