83 questions linked to/from Things to avoid when writing challenges
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### Irrational Short Code Rationales [duplicate]

Many questions nowadays include a ridiculous rationale as to why the code needs to be as short as possible. The frequency of these rationales apparently is starting to annoy some people (although, I ...
266k views

### Sandbox for Proposed Challenges

What is the Sandbox? This "Sandbox" is a place where Code Golf users can get feedback on prospective challenges they wish to post to the main page. This is useful because writing a clear and ...
180k views

### Loopholes that are forbidden by default

There are a number of standard loopholes which experienced question-setters seek to explicitly close. However, inexperienced question-setters may unintentionally leave them open, or respondents may ...
27k views

### Default for Code Golf: Input/Output methods

It looks like we have a consensus that we want certain defaults for the format which answers are expected in for code-golf. On that poll, the question arose twice, which input/output formats should be ...
14k views

### Interpretation of Truthy/Falsey

Quite a few code-golf questions require output to be "truthy or falsey". This is possibly confusing as these terms can possibly mean different things to different people, and especially in different ...
1k views

### Should we change our name?

This site may have been built primarily on code-golf challenges and puzzles that have no winning criteria, but we have evolved away from that. Our name is outdated, and we should rebrand ourselves. ...
1k views

### Here's your site design preview!

Three great discussions and 6-8 weeks later, I'm here to introduce you to your new site design! Thank you to everyone who contributed ideas to the discussion -- there were many great points of ...
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### What should this site be called now that it's getting a design?

UPDATE: New site name chosen! This site is now "Code Golf & Coding Challenges" Thank you all so much for participating in this discussion! As we're designing the site, we are considering the ...
640 views

### When it is and is not acceptable to edit someone else's post

TL;DR: In what circumstances is it ok (by CGCC and politeness standards) to edit directly a post (be it challenge, answer, sandbox question, etc), assuming the edit is done in good faith? I know ...
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### Who are you? Why are you here? And more introspection

Whereas: we are unsure about where exactly we fit into the SE mission others sometimes don't take us seriously the site has been languishing in beta with minimal communication from SE for years we ...
6k views

### Default for Code Golf: Program, Function or Snippet?

One of the things many (new?) users forget to specify in code-golf challenges is whether the answers should provide a full program or a function (or even just a snippet). For most such things, we have ...
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### Standard definitions of terms within specifications

Quite often I find that I am repeating myself when creating a challenge. For example, usually I have to retype the definition of "random" in all of my posts, or I have to specify the same thing about ...
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### Is a “built-in” considered to be so for all challenges it CAN solve, or only the one it is DESIGNED to solve?

This question has arisen after reading this answer to a question prohibiting a built-in which solves the problem. The poster argues that the built-in is not defined as "repeat a single integer a ...
824 views

### 2016 Moderator Election Q&A - Questionnaire

In connection with the moderator elections, we are holding a Q&A thread for the candidates. Questions collected from an earlier thread have been compiled into this one, which shall now serve as ...
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### 2018 Moderator Election Q&A - Question Collection

Programming Puzzles & Code Golf is scheduled for an election next week, February 5th. In connection with that, we will be holding a Q&A with the candidates. This will be an opportunity for ...
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### The state of the popularity contest tag

Recently, there's been a strong push against popularity-contest challenges. This post sums up the general feelings of the community pretty well, in my opinion. Even when challenge authors do ...
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### Tour of PPCG: Voting Phase

As described in my last meta post, the purpose of this post is to nominate and vote on posts that deserve more visibility. The criterion for voting and nomination include 4 aspects: Quality, ...
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### Are baseline submissions serious contenders?

One of PPCG's oldest rules, mentioned in What topics can I ask about here?, is that all answers to challenge questions must: Be a serious contender for the winning criteria in use. For example, an ...
893 views

### 2018 Moderator Election Q&A - Questionnaire

In connection with the moderator elections, we are holding a Q&A thread for the candidates. Questions collected from an earlier thread have been compiled into this one, which shall now serve as ...
697 views

### Are pure programming puzzles on topic?

The tag wiki for programming puzzle says: A programming puzzle includes a goal, a partially completed program, and rules outlining how the program can be modified. The program is specifically ...
1k views

### What makes winning criteria “objective”?

The FAQ says (in part) All questions on this site, whether a programming puzzle or a code golf, should have [... an] objective primary winning criterion, so that it is possible to indisputably ...
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### Is the name of the community correct?

The title of this question really sounds very silly, but lets see all of those questions: https://codegolf.stackexchange.com/questions/22665/how-many-valid-routes https://codegolf.stackexchange.com/...
387 views

### Why are some users so quick to jump on a bandwagon?

I've been lurking on this site long before I made my account, and I've seen many cases where people are downvoted simply because they post an answer in the same language as someone else and it happens ...
991 views

### Are Non-Programming golf puzzles allowed?

The name of this Stack Exchange site is "Programming Puzzles and Code golf" but I was wondering if other types of similar golf (not the sport) would be allowed or welcomed for questions. In ...
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### An info box to point new users to The Sandbox

So along with site graduation, one new option we have is an info box on the sidebar. For example, you can see what these look like on Law or Judaism Stack Exchange (directly above the "featured on ...
552 views

### What outputs should I allow for decision problems?

I'm looking for opinions on what outputs to allow as the Yes and No outputs on decision-problem challenges. The goal isn't to make a policy, but to help with a decision I often have to make when ...
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### Challenge post-mortems

While to-be-posted challenges get feedback in the Sandbox (ideally), we don't usually reflect on challenges after they have run. And while issues and ambiguities in challenges do get pointed out, we ...
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### When should rule changes count?

Related: When is it allowable to change the rules? As noted in the linked meta post above, it's typically particularly frowned upon to significantly change the rules of a challenge after posting it. ...
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### Should bonuses be allowed for [code-golf] questions?

Prompted by a discussion between Peter Taylor and myself, I'd like to solicit the community's opinion on the following issue: Should awarding score bonuses for extra features disqualify a challenge ...
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### List input in C and length argument

When dealing with list input in C, as in this question, is it acceptable to add extra argument to indicate the length of the list? It does give advantages because other language needs functions like <...
192 views

### How do I get better at writing questions?

Every time I post a question to the main site, it always seems there is something that I missed when posting it. How do I catch these issues?
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### Should language-specific code golf challenges be explicitly disallowed?

In light of a recent code golf challenge in which the specification restricts participation to JavaScript, I think it's time we revisited making a hard rule about language-specific golfs. We may ...
533 views

### Is the empty string an acceptable decimal representation of 0?

In a recent question for which the correct output for 1 is zero, an answer output ; i.e, nothing. Is this an acceptable base-10 ...
264 views

### Should questions about challenge-writing be on topic?

In light of this recent question on main (now migrated to meta), here is a question I've been meaning to bring up for a while: should we broaden our scope to allow questions about challenge writing? ...
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### Should we disallow non-observable requirements?

One of the more recent things to avoid that's coming up a lot is the use of non-observable requirements. The most common incarnations of this are things like "no hardcoding", "implement this algorithm"...
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### Case Sensitive Strings

Since this isn't explicitly codified anywhere, and was sparked by discussion surrounding my recent challenge, I figured I'd bring it up here for consensus before modifying the tag. Related: string ...
2k views

### Do submissions have to be answered with a programming language?

We've got various answers strewn across meta that tell different stories: On the standard loopholes, we disallow answers that aren't programming languages. This appears to be the most definitive ...
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### Does output count if part of it scrolls off the screen?

Let's consider a QBasic solution to FizzBuzz. The code works correctly, printing the required output from 1 all the way up. The problem is, since there's a lot of ...
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### May dc take negative input as it's designed to?

In the language dc, the - character is reserved strictly for subtraction, so it cannot be used to enter a negative number. An ...
752 views

### The broken window of “Produce the number 2014 without any numbers in your source code”

Produce the number 2014 without any numbers in your source code is our highest-voted question. It regularly inspires newcomers to pose similar challenges, which get heavily downvoted with the poster ...
288 views

### Challenge Type System

A very common task in writing a challenge is to define the allowed input/output types. These descriptions have a couple of problems as I see them: They can get really verbose. If I want somebody to ...
557 views

### Closing old question as duplicate of a new one

What is our policy regarding closing an old challenge as a duplicate of a new one? I know this happens on other sites (at least SO), if the newer question is generally better or usually if it gathers ...
183 views

### Can Halting be considered output?

I am currently designing a language that cannot halt unless it all of its memory is cleared, this means for any practical application it has no output whatsoever. However when the program does halt ...
298 views

### What's wrong or unclear with this challenge?

This morning I posted a challenge (2k users only). It's back in the sandbox now, visible for anybody and for review. I had this challenge in the sandbox for 5 days before I posted it. With some help ...
192 views

### Explaining a challenge only with test cases and examples

I have a slightly problem. I want to post a challenge (to the sandbox) about building a matrix with X pattern. The problem is that I don't know how to explain it using technical words or ...
267 views

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

There is a code golf challenge on a foreign (not related to Stack Exchange) site with which I have a problem. The challenge is designed for Python 3 and has a length limit of 150 characters. I ...
276 views

### How should my challenge be tagged?

How should I tag Good Old Suffix Vector? I initially tagged it code-golf because it requires code that is as short and possible, and logic because it involves constructing boolean values, and there ...
125 views

### Scoring that rewards useability

In my dream world, I would rather have code challenges generate a code that's actually useful in the real world, a code that makes its way to be an idiom, to be used in real world projects, and put in ...