Description: The walrus operator is used for assignment expressions in the Python programming language. This design shows the walrus operator (:=) and the text I AM THE WALRUS in blue and yellow. A pun design for coders, developers, software engineers and system administrators with a sense of humor. Great for work, events and IT conferences where computer programming geeks & nerds meet.
Description: This cool Halloween design for coders, computer programmers, software developers, engineers and IT geeks and nerds shows a pixel art ghost and the words BOO and FAR in an arcade style font. A pun on "foo bar", that only real programmers understand. Show your spooky and terrifying side with this funny computer scientist design. Great for Halloween parties, work, tech conferences and events that take place in the ghost-ridden season of the year.
Description: Are you passionate about using tabs to indent your program code and want to show it? The use of spaces vs tabs can lead to fierce discussions among people who code. Take sides and possibly provoke some dispute at work, developer events and conferences. A slightly provocative design for passionate computer programmers, software developers, engineers and everyone who codes. It shows TEAM TABS enclosing a tab arrow symbol. Tabs are a convention in programming languages like Go and mandatory in Makefile.
Description: A simple design for database administrators, data analysts, computer programmers, software developers and engineers in a 70s vintage/retro style with the text "SQL 1974" in a tri-linear stripe font. SQL (Structured Query Language) is a programming language for managing and querying data in relational database management systems. SQL was created in 1974 and celebrates its 50th birthday in 2024. Ideal for IT geeks & nerds born in 1974.
Description: Are you a pro at graphic design? Then this design is for you. It shows a pixal art drawing of a cute ninja head and the words PIXEL NINJA in a suitable font. A design for creative people who make visual art using computers. Great for the job, school, college, conferences and events where graphic artists meet.
Description: A design for computer system administrators who are experts and lovers of the free and open source Linux operating system, which runs on countless servers, IoT devices, mobile phones, tablets, laptops and the personal computers of real tech geeks & nerds. This cool grunge style design shows LINUX as a curved underlined text, the word SYSADMIN and a simplistic drawing of a penguin's head, the mascot of the best operating system kernel there is. Great for work and IT events where Linux geeks & nerds meet.
Description: A funny design for sarcastic social media content creators with a sense of self-deprecating humor. The slogan "Slave to the Algorithm" hints at the struggle of having to create engaging content in a never-ending cycle to survive in this competitive world. Show your love-hate relationship with the online world. Perfect for those who can laugh at themselves and the never-ending demands of social media. Let the world know you're creating content, even if the algorithm sometimes feels like your overlord.
Description: A chi-squared test (also chi-square or χ2 test) is a statistical hypothesis test used for testing the independence of two categorical variables. A design for mathematicians, statisticians, data scientists, students, teachers and all people who love math, statistics and data science. It shows the mathematical formula for the chi-squared test devised by Karl Pearson around 1900.
Description: Artificial intelligence (AI) was founded as an academic discipline in 1956 and with the advance of computers and technology has become omnipresent. This design shows "Artificial Intelligence" in Chinese characters on red space background. A design for people who teach machines, develop algorithms, write computer code and engineer AI and ML technology. Great for work, science and tech conferences and events where artificial intelligence and machine learning geeks & nerds meet.
Description: A regular expression (regex, regexp) is a sequence of characters that specifies a match pattern for text. Regular expressions are powerful, versatile and can quickly become very hard to read and reason about, so many programmers avoid using them. A funny design for programmers, software developers, engineers, hackers and anyone who writes computer code. It shows "What Part Of Don't You Understand" and a regex for matching email addresses, which is far more complicated than you might think.
Description: Unix is a powerful and versatile operating system, whose development started in 1969. It is known for its stability, multitasking capabilities, and command-line tools that allow users to efficiently manage and manipulate files and processes. A cool retro vintage design for system administrators, command line hackers, programmers, developers and anyone who loves and uses the Unix operating system or one of its many derivatives. Great for work and events where Unix geeks & nerds meet.
Description: The Hello World program is frequently used in programming books and is often the first program computer programmers try when learning a new programming language. Ever happened to you? This design for coders, developers, programmers, hackers or how you might call it, shows "Hello, World!" in slightly obfuscated C code with a syntax highlighting scheme that is used in editors for coding.
Description: Computer programmers and software engineers know that encoding is hard. There's ASCII, Unicode and a plethora of other standards. If the encoding is unknown and wrongly detected you may end up with weird characters or question marks as on this design. It shows the text "Schei? Encoding", which is German for "encoding sucks". The "sharp S" (Eszett/scharfes S) is not displayed correctly to underpin the issues that may arise when dealing with text encodings in program code.
Description: People who do search engine optimization (SEO) help website owners to achieve better rankings on search result pages so potential customers can find their offerings. It's a very competitive field so make sure you are recognized as en expert. This funny design for SEO and online marketing experts shows the question "Ranking Bad?" with the first 2 letters of each word shown as the chemical elements Radium (Ra - 88) and Barium (Ba - 56) enclosed by a green square.
Description: Smalltalk is a pioneering object-oriented, dynamically-typed programming language that first appeared publicly in 1972. Designed to be simple and flexible, it played a key role in the development of GUI concepts and object-oriented programming (OOP). A cool retro vintage design for programmers, developers, hackers, tech geeks, and retro design nerds who write code in the Smalltalk programming language. Show your passion for coding and computer history at tech events, work, or casual gatherings.
Description: A design for computer programmers, software developers and engineers who love functional programming. It shows the lambda symbol and the text NO CLASS NO STATE in a 20th century Japanese propaganda poster style. Functional code is classless and stateless and lambda represents anonymous functions, which are everywhere in functional programming languages such as Lisp, Scheme, Clojure, Erlang, OCaml, and Haskell. Great for work, tech meetings and conferences.
Description: Prompt engineering is a hot topic and job in the rapidly growing technology fields of artificial intelligence (AI) and machine learning (ML). Show that you know how to talk to machines and are a pro at crafting effective prompts for content generation. A cool design for machine learning engineers and all people who work with AI tools to create content and refine models for text, image, sound and video generation. Great for work, science and tech conferences and events where AI and ML geeks & nerds meet.
Description: Prompt engineering is a hot topic and job in the rapidly growing technology fields of artificial intelligence (AI) and machine learning (ML). Show that you know how to talk to machines and are a pro at crafting effective prompts for content generation. A cool design for machine learning engineers and all people who work with AI tools to create content and refine models for text, image, sound and video generation. Great for work, science and tech conferences and events where AI and ML geeks & nerds meet.
Description: A funny design for people working in the IT team, whether in tech support at the office helpdesk, as a computer programmer, software developer, system engineer or sysadmin. You will get the joke and hopefully put a smile on your co-workers faces. This IT humor design shows IT TEAM I'M JUST HERE FOR THE CACHE, a bold shrug emoticon and a cache storage symbol. The shrugging face and cache are in dollar bill green to reinforce the cash pun. Great for work, events & conferences with IT geeks & nerds.
Description: A cool design for computer hackers, coders, developers, programmers and sysadmins with a random array of hexadecimal numbers and a skull outline carved out of it. A design for people who love to hack computer code and break things. Great for work, tech conferences and events where hacking geeks and nerds meet.
Description: The scientific field of Data Science comprises different fields like artificial intelligence, machine learning, computer programming and visualization. Math is the foundation of all these disciplines and statistics is essential for a data scientists work. A self-mocking design for data scientists with the text pieces "I'm a", "DATA SCIENTIST" in all-caps, "I do statistics" in regular and "on a Mac" in italics in partly outlined fonts. Great for job, conferences and events where data geeks & nerds meet.
Description: The scientific field of Data Science comprises different fields like artificial intelligence, machine learning, computer programming and visualization. Math is the foundation of all these disciplines and statistics is essential for a data scientists work. A self-mocking design for data scientists with the text pieces "I'm a", "DATA SCIENTIST" in all-caps, "I do statistics" in regular and "on a Mac" in italics in partly outlined fonts. Great for job, conferences and events where data geeks & nerds meet.
Description: PHP is one of those programming languages people love to hate. It has many design flaws, inconsistencies and attracts newbie programmers due to its alleged simplicity. There's a lot of bad PHP code out there making the language an easy target to ridicule. This design with the letters wtf on a purple ellipse is for PHP coders, hackers, developers and programmers with a sense of self-deprecating humor who like to mock one of the most widely used languages for web development. Great for work and conferences.
Description: Many people procrastinate, but how would a Perl program do that? One way would be to define a procrastinate function that simply passes execution as shown in the piece of syntax highlighted Perl code on this design. If you enjoy computer programming in Perl and sometimes procrastinate, you may appreciate the subtle humor of this design and give fellow Perl programmers among your co-workers and friends a good laugh. Great for work, tech meetings and conferences.
Description: It's pretty bad when a computer runs out of memory. Whether you play a game, watch a movie or write a computer program, that consumes all available memory, or do something else that you expect to work. This design for computer geeks & nerds, coders, hackers, programmers and software developers with a sense of humor consists of the words "STRAIGHT OUTTA MEMORY" in a tall and narrow Gothic font. Great for work, tech events and conferences.
Description: Humans have a knack for fighting wars. Yet we have also shown that peace is not an utopia. Show that you prefer peace over war in a geeky way with the vi/Vim command :%s/war/peace/g for global replacement of war with peace. If you are a programmer, sysadmin or simply a tech-savvy computer user and enjoy programming and editing in vi/Vim and want war to be replaced with peace, this design is for you. Peace!
Description: Hate is a human emotion that doesn't help to overcome and solve problems. Show that you prefer love over hate and how to end hate like a vi or Vim geek or nerd. A design for programmers, developers, coders, sysadmins and all computer users who use vi or Vim, that shows how to replace hate with love globally. Love will win! Great for work, events and IT conferences where coding geeks & nerds meet.
Description: Humans have a knack for fighting wars. Yet we have also shown that peace is not an utopia. Show that you prefer peace over war in a geeky way with the vi/Vim command :%s/war/peace/g for global replacement of war with peace. If you are a programmer, sysadmin or simply a tech-savvy computer user and enjoy programming and editing in vi/Vim and want war to be replaced with peace, this design is for you. Peace!
Description: Hate is a human emotion that doesn't help to overcome and solve problems. Show that you prefer love over hate and how to end hate like a vi or Vim geek or nerd. A design for programmers, developers, coders, sysadmins and all computer users who use vi or Vim, that shows how to replace hate with love globally. Love will win! Great for work, events and IT conferences where coding geeks & nerds meet.
Description: Humans have a knack for fighting wars. Yet we have also shown that peace is not an utopia. Show that you prefer peace over war in a geeky way with the vi/Vim command :%s/war/peace/g for global replacement of war with peace. If you are a programmer, sysadmin or simply a tech-savvy computer user and enjoy programming and editing in vi/Vim and want war to be replaced with peace, this design is for you. Peace!
Description: Python is a very popular computer programming language. It is well designed, accessible, readable, powerful and has a great community. This design is for programmers, developers and coders who take pride in writing Python code. This cool design shows the strings "PYT" & "HON" in yellow between two blue bars. Show your love for Python with this design suitable for work, tech conferences and other events where Python geeks and nerds meet.
Description: A network graph showing 24 programming languages connected by 47 influence relations. It includes languages the were influenced by Rust or influenced Rust and Rust itself. More influential languages are shown as larger circles as compared to languages with less influence on others. The influence relation data was retrieved from Wikidata in 2019. A great gift for programmers who are into digital art.
Description: A network graph showing 64 programming languages connected by 122 influence relations. It includes languages the were influenced by C or influenced C and C itself. More influential languages are shown as larger circles as compared to languages with less influence on others. The influence relation data was retrieved from Wikidata in 2019. A great gift for programmers who are into digital art.
Description: Python is known for its uncluttered syntax. In contrast to many other programming languages, curly brackets are not used to delimit compound statements. Just type "from __future__ import braces" in a REPL and see what happens. A design for Python programmers who embrace significant whitespace and say no to braces. It shows a pair of curly brackets in a red no sign. Get it on a shirt or one of the available products for work, tech conferences and other geek events.
Description: Python is known for its uncluttered syntax. In contrast to many other programming languages, curly brackets are not used to delimit compound statements. Just try to import braces from the future module in a REPL and see what happens. A design for Python programmers who embrace significant whitespace and say no to braces. It shows a pair of curly brackets in a red no sign. Great for work, tech conferences and other python geek & nerd events.
Description: This motivational design tells you to never give up and to never quit your vi or Vim session without writing changes, unless you are absolutely sure it is the right thing to do. A design for computer programmers, system administrators and whoever uses vi or vim as their text editor of choice. You will understand its meaning, while others are probably puzzled, but may wish to learn what it means.
