Your challenge is to output this: https://stackoverflow.com/ https://serverfault.com/ https://superuser.com/ https://meta.stackexchange.com/ https://webapps.stackexchange.com/ https://gaming.stackexchange.com/ https://webmasters.stackexchange.com/ https://cooking.stackexchange.com/ https://gamed...

Some text-based rogue-likes don't let you walk into walls, and give you your move back if you try to. Why do that when you can make the player move in the closest valid direction? The challenge Write a program of function that, given a direction and a 3 by 3 grid of characters, outputs the same...

log4j:WARN No appenders could be found for logger (org.springframework.core.env.StandardEnvironment). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info. Exception in thread "main" java.lang.reflect.Invocation...

Introduction By definition, unique identifiers should be unique. Having multiple identifiers that are the same causes one to retrieve unexpected data. But with data arriving concurrently from multiple sources, it can be difficult to ensure uniqueness. Write a function the uniquifies a list of...

Task Given a non-empty array of 0 and 1, halve the lengths of the runs of 0. Input An array of 0 and 1. Acceptable format: Real array in your language Linefeed-separated string of 0 and 1 Contiguous string of 0 and 1 Any other reasonable format For example, the following three inputs are a...

Smooth an array A typical signal processing operation consists in smoothing a signal to reduce noise. A very basic way to perform such smoothing, on an array of integers, is using the following formula: where y'_t is the smoothed value at index t, y_t is the original value at index t, and wh...

Challenge Supplied an image, you must determine if the subject of the image is a bird or a plane. If the image is a bird, your program must output bird and if the image is a plane, your program must output plane Your program must produce no other output and the testing program will be cas...

Output the terminal's dimensions in any consistent format. For example, an output could be 80x25. Inspiration. Prompt.

SE will be down* today at 00:00 UTC until 00:20 UTC. Your challenge is to output a truthy value if SE is down* and a falsy value if SE is not. You may not have any input, and you must use date builtins to determine if SE is down* (no actually querying the SE api!) Example output: Current dateti...

You have to help thor reach his hammer!!You are given the xy co-ordinates of the hammer and thor and you ave to print the 8 cardinal directions to reach the hammer(n, ne etc.)your input will be a split input on 1 line Tx,Ty,Lx,Ly:thor X,thory, hammer x, hammer y. If you wish to get a more thoroug...

I have trouble remembering everything I have to do when leveling up a D&D character. For whatever reason, one of the things that gives me trouble is figuring out what their new maximum HP value should be. For this challenge, you will write a program or function to calculate the correct value auto...

There doesn't seem to be a standard meta post for assuming architecture or hardware, recently while writing an answer for This Challenge I ran into an issue with the mode windows utility. By default mode will output information on any COM ports on the system as well as the current CLI, in the ab...

I came up with an idea of a "thought" language. It has no real interpreter but does have a Github or something to track changes. The idea is that if you have a language that you like, such as Brain-Flak, but want a way to have output before the program terminates but the vanilla version does not ...