32 votes

When is the best time to post a challenge for optimal views?

When is best for views? As it turns out, it doesn't matter all that much. Consider this plot: The mean number of views is slightly higher on Mondays and Wednesdays but things are pretty consistent ...
Alex A.'s user avatar
  • 24.6k
24 votes

Is it OK to post restricted challenges where only some people may participate?

No There is absolutely no benefit to restricting a question to users of a certain type. This is would only serve to make users who are not allowed to participate unhappy. However, I do think it is ...
Wheat Wizard's user avatar
  • 98.7k
23 votes

What to do about mathematical concepts with different definitions?

The challenge poster must specify the intended definition If such a mathematical ambiguity is spotted, leave a comment and vote/flag to close the challenge as "unclear what you're asking". The ...
Erik the Outgolfer's user avatar
20 votes

The smallest Android app in the world

Yes, this is on-topic “How do I golf this?” questions are welcome here, and this is essentially one of them: the OP wants to golf the smallest .apk file that Android’s package manager recognizes. If ...
Lynn's user avatar
  • 68.7k
20 votes

Do I have to verify all answers?

In an ideal world, you would. Practically, you normally can't — a) because of people using proprietary languages, b) because you might get many dozens of answers. Many answers will include a link to ...
Martin Ender's user avatar
16 votes

Is PP&CG the right place to ask my question?

I do not think so. This site is for challenges and contests and your question does not seem to include any kind of challenge. You can fully answer this question yourself just by looking at the docs of ...
flawr's user avatar
  • 43.8k
15 votes

What outputs should I allow for decision problems?

One consistent, and one non-consistent The thing I like about Truthy and Falsy is that often you may do things like output 0 for falsy and everything else for ...
Wheat Wizard's user avatar
  • 98.7k
15 votes
Accepted

Does the OP have to explicitly state the winning criteria?

Yes, the winning criterion needs to be specified in the challenge First, tags like code-golf where the winning criterion is obvious in theory. You're right that it's probably not entirely necessary, ...
Martin Ender's user avatar
15 votes

How do I get better at writing questions?

Use the sandbox Even for the most experienced challenges writers, catching all open questions and potential issues of a challenge can be difficult. That's what the Sandbox for Proposed Challenges is ...
Dennis's user avatar
  • 210k
14 votes

How should challenge authors be rewarded for creating exemplary challenges?

I suggested a potential feature request related to this when we were discussing ideas about the fact that we're not a Q&A site. This is of course a suggestion that would require changes to the ...
Martin Ender's user avatar
14 votes

When is the best time to post a challenge for optimal views?

Fundamentally, there is none I don't have specific data but I can say from experience that a question posted on any day at any hour can become popular, can become a Hot Network Question, you just ...
Calvin's Hobbies's user avatar
14 votes

What makes a sequence an interesting golf challenge?

Number of approaches I often see that questions which have multiple ways of being solved are more interesting than challenges which have only one exact way to approach the problem. If that's the case, ...
Adnan's user avatar
  • 44.4k
12 votes

Do I have to verify all answers?

For code golf, you don't have to verify the answers yourself. Verifying all of them personally could be time-consuming or downright unfeasible (after all, not all languages are free and run on all ...
Dennis's user avatar
  • 210k
11 votes

What makes a sequence an interesting golf challenge?

Make sure there's no trivial closed form solution This is probably a corollary of Adnan's answer, but even with sequences that have many definitions and approaches there is often a simple closed form ...
Martin Ender's user avatar
11 votes

Rep requirement for asking

No There are a few reasons I think this is a bad idea, any one of which I think can stand alone. Considered together, it seems like an obvious conclusion to me. Ask Questions, Get Answers This is what ...
Geobits's user avatar
  • 19.7k
11 votes

On-topic to ask for help with an pre-existing code golf challenge from another site?

Attribution First and foremost, I have no idea why one of the comments suggested editing the attribution out. If a challenge is taken from elsewhere (with minor modifications), full attribution is ...
Dennis's user avatar
  • 210k
11 votes

Should we repost a challenge because of a changed consensus?

No, We should update the old one Challenges like the Quine challenge have tons of answers, and most of them are valid. Making a second question would either require all the existing valid answers to ...
Wheat Wizard's user avatar
  • 98.7k
11 votes

Does the OP have to explicitly state the winning criteria?

No, as long as the winning criterion is already clear from the tags Most challenges on PPCG are code-golf. A lot of distraction, duplication, and possibly inconsistency is caused by having to re-...
ngn's user avatar
  • 15.3k
11 votes

How do I get better at writing questions?

Use the FAQs In addition to Dennis' answer to use the Sandbox, we also have two FAQs related to challenge writing -- Things to avoid when writing challenges Things to consider when creating a ...
AdmBorkBork's user avatar
  • 43.4k
11 votes
Accepted

How can we clearly define "Must work for theoretically large values"?

This is what I use in my challenges (with slightly different wordings): The algorithm should theoretically work for arbitrarily large input values. In practice, it is acceptable if the program is ...
Luis Mendo's user avatar
  • 104k
10 votes

Should we update our ask question page?

Yes, we should I see no harm in clarifying our "how to ask" help system, and if doing so leads to fewer off-topic or low quality questions, I 100% support this. It looks like, by my ...
caird coinheringaahin g's user avatar
9 votes

Is it OK to post restricted challenges where only some people may participate?

If you are talking about specific users then: No If you are talking about users with a particular set of skills, then it's a bit more nuanced. It's frowned upon (for good reasons) to only allow ...
Stewie Griffin's user avatar
9 votes
Accepted

Built-ins or no built-ins; a dilemma in my question

Disclaimer: I am relatively new to Code Golf, so I definitely cannot speak for the community. Generally forbidding any built-ins is bad practice. For one, it's not clear what built-in functions are ...
97.100.97.109's user avatar
8 votes

Rep requirement for asking

No Some users don't answer in PPCG, and yet can be great challenge writers. Why restrict when there's no need to?
Addison Crump's user avatar
8 votes

What makes a sequence an interesting golf challenge?

Simple to understand, but not trivial This probably applies to all challenges. I found this out after posting some sequence-challenges, but the easier it is to understand the challenge, the more ...
Adnan's user avatar
  • 44.4k
8 votes

Challenges that invite non-competing answers

Allow authors to mark some answers non-competing It may be interesting to see answers that could potentially break the challenge (e.g. built-ins). However, answers that have been banned per meta ...
JungHwan Min's user avatar
  • 13.8k
8 votes

New First-Time Asker Dialog

Asking a good question This is a site for competitive coding enthusiasts. We host coding challenges, such as code golf, and related questions, such as golfing tips. We require that all new challenges ...
caird coinheringaahin g's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible