Linked Questions
82 questions linked to/from Making Future Posts Runnable Online with Stack Snippets
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"Hello, World!"
So... uh... this is a bit embarrassing. But we don't have a plain "Hello, World!" challenge yet (despite having 35 variants tagged with hello-world, and counting). While this is not the most ...
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Showcase of Languages
Notes
This thread is open and unlocked only because the community decided to make an exception. Please do not use this question as evidence that you can ask similar questions here. Please do not ...
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Golf you a quine for great good!
Using your language of choice, golf a quine.
A quine is a non-empty computer program which takes no input and produces a copy of its own source code as its only output.
No cheating -- that means ...
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Is this number a prime?
Believe it or not, we do not yet have a code golf challenge for a simple primality test. While it may not be the most interesting challenge, particularly for "usual" languages, it can be nontrivial in ...
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Implement a Truth-Machine
A truth-machine (credits goes to this guy for coming up with it) is a very simple program designed to demonstrate the I/O and control flow of a language. Here's what a truth-machine does:
Gets a ...
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Fibonacci function or sequence
The Fibonacci sequence is a sequence of numbers, where every number in the sequence is the sum of the two numbers preceding it. The first two numbers in the sequence are both 1. Here are the first ...
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The Programming Language Quiz
Congratulations to Dennis who won both the cops' and the robbers' challenge! Calvin's Hobbies has already delivered on his promise and wrote this challenge for Dennis for winning the robbers' ...
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Evolution of "Hello World!"
This contest is officially over, the winner is jimmy23013. Congratulations!
The challenge is to make a program that prints Hello World! to stdout. The catch is that ...
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Simple cat program
One of the most common standard tasks (especially when showcasing esoteric programming languages) is to implement a "cat program": read all of STDIN and print it to STDOUT. While this is ...
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Unscramble the Source Code
Note: This challenge is now closed to new cop submissions. This is to ensure that no one can post submissions that only remain uncracked because there aren't enough robbers interested in the challenge ...
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What is the smallest positive base 10 integer that can be printed by a program shorter (in characters) than itself?
I think the question as above is clear, but just in case:
Write a full program (not just a function) which prints a positive base 10 integer, optionally followed by a single newline.
Qualifying ...
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Create output twice the length of the code
The Challenge
Write a complete program that writes twice as many bytes to standard output as the length of the program.
Rules
The program must write ASCII characters to the standard output.
The ...
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Sing Happy Birthday to your favourite programming language
Your favourite programming language has just had a birthday. Be nice and sing it the Happy Birthday song.
Of course you should accomplish this by writing a program in that language.
The program takes ...
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The Letter A without A
Your task is to display the letter "A" alone, without anything else, except any form of trailing newlines if you cannot avoid them, doing so in a program and/or snippet. Code that returns (instead of ...
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"99 Bottles of Beer"
Write a program that outputs the lyrics to 99 Bottles of Beer, in as few bytes as possible.
Lyrics:
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