Linked Questions

Challenge: make a program that outputs a MD5 hash of its source code. You should not use tricks that would be considered cheating in a quine sense (discussed here). Using built-in functions and ...

I wrote this one-line one-statement Python quine a little while back. print (lambda x: x + str((x,)))('print (lambda x: x + str((x,)))',) The point is, it's all ...

Possible Duplicate: Golf you a quine for great good! People have proposed short quines in various languages. Puzzle: Find the shortest non-trivial quine in a language of your choice, and prove ...

(Apart from the empty program of course) The shortest I could find was this 410 byte beauty: ...

I'm new to this site, so I don't know whether this challenge already appeared: Write a piece of source code, so that after running the code, it prints out exactly (i.e. not longer, not shorter) the ...

I've been enslaved in a quine factory. The other workers and I can't communicate with the outside world, we can only slave away making quines all day. The masters will reject any work that isn't a ...

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 ...

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 ...

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 ...

Write the shortest code you can that produces an infinite output. That's all. You code will only be disqualified if it stops producing output at some point. As always in code golf, the shortest code ...

In this challenge, users will take turns completeing three fairly simple coding tasks in programming languages that are allowed to be progressively older. The first answer must use a programming ...

Note: There is not been a vanilla parity test challenge yet (There is a C/C++ one but that disallows the ability to use languages other than C/C++, and other non-vanilla ones are mostly closed too), ...

Your challenge: write a "program", for a language of your choice, that causes the compiler/interpreter/runtime to produce error output when compiling/running your program which is identical to your ...

You are to write a program that will output source code that is Larger than the original program (character wise) Will print another program larger than itself when run (i.e. the new program is also ...

Write a function or program that determines the cost of a given string, where the cost of each character equals the number of how many times the character has occurred up to this point in the string,...