Linked Questions

0
votes
0answers
96 views

Digit stream with no 42 [duplicate]

You should write a program or function which receives no input and outputs a stream of digits. The stream should contain at least once every positive integer number which does not contain the digit ...
507
votes
229answers
112k views

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 ...
148
votes
375answers
26k views

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 ...
82
votes
260answers
16k views

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 named after ...
48
votes
120answers
7k views

Print all integers

Write a program or function which will provably print all integers exactly once given infinite time and memory. Possible outputs could be: ...
99
votes
31answers
16k views

If a program terminates and there is no one to see it, does it halt?

It's time to face the truth: We will not be here forever, but at least we can write a program that will outlive the human race even if it struggles till the end of time. Your task is to write a ...
84
votes
14answers
8k views

Create a programming language that only appears to be unusable

Robbers' challenge thread is here. Cops' challenge: Design a programming language that appears to be unusable for programming, but admits computation (or at least completion of the task) through some ...
44
votes
18answers
6k views

Print out all IPv6 addresses

This reminds me when a few years ago someone uploaded a torrent "Hacker tool: complete list of all IP addresses". This was, of course, just a generated list of the ~4 billion IPv4 addresses, but ...
8
votes
40answers
1k views

Shortest code to produce infinite non-periodic output

Not a dupe to this. That question asks specifically for counting up forever, while this question allows many other approaches. Write a program or function which, given infinite time and memory, would ...
30
votes
11answers
1k views

Print, Increment, Decrement, Alias - Interpret Prindeal

Prindeal (pronounced prin-dee-al) is a new esoteric programming language that only has four commands: print, increment, decrement, and alias. Despite its minimalism, complex mathematical operations ...
9
votes
6answers
2k views

Random CSS Color code

This blog post about generating random CSS color codes in JavaScript have multiple solutions for generating a random color in JavaScript. The shortest I can find is this: ...
-6
votes
3answers
329 views

Find the hardest OEIS sequence to golf!

Notice: This question originally had people write comments with a shorter program, rather than new answers. This has been changed so that people with shorter programs can get reputation too. Hopefully ...
1
vote
6answers
274 views

Tips for golfing Yabasic

Yabasic, or Yet Another Basic is a dialect of basic created by Marc-Oliver Ihm that may be run on Windows, Unix and PAL versions of the Sony PlayStation 2. Development for this language is ongoing. ...