# All Questions

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264k 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 ...
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 ...
167 views

### What counts as “output” in SQL?

Some of the site's questions rule that something must (or must not) be printed to the output. My question is, in the case of SQL, what really is the output? The ...
20k views

### Things to avoid when writing challenges

If there is something that you find annoying / counterproductive / unfair / detrimental / no longer funny in challenges (question posts), describe it in an answer here, and propose a recommended ...
13k views

### List of bounties with no deadline

This is a list of unofficial, deadline-less (hence not searchable) bounties offered by users on various challenges on the main site. Disclaimer: There is no guarantee that the user will award the ...
297 views

### Language of the Month for September 2020: R

In accordance with our meta agreement to restart the Language of the Month with the top-voted nomination from the old nominations list, we have a new featured language! Throughout September 2020, our ...
472 views

### 2020 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 ...
1k views

### What contributions has PPCG made to the fields of math or computer science?

Most of the content on PPCG involves clever applications of existing algorithms, or just-fast-enough-to-pass solutions to problems that supercomputers have found millions of answers/digits/etc to ...
202 views

### Is “A solution wins if there's no strictly better solution in multiple measures” a valid winning criterion?

To cite a recently sandboxed challenge by l4m2: Solution win if there's no strictly better solution, aka. no solution that take less or same amount of items in mapping table, less or same amount of ...
10k views

### What programming languages have been created by PPCG users?

Language-creation has become a popular activity on PPCG. A decent portion of answers, especially code-golf answers, are written in languages invented by the community. These are also languages that ...
179k 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 ...
293 views

### Discussion on the upcoming moderator elections (Sep 2020)

We are scheduled for a moderator election on Sep 14, 2020. A Community Interest Check by SE last November gauged interest in holding and running for January elections for the spots of the two (now ...
169 views

### 2020 Community Moderator Election

The 2020 Community Moderator Election is now underway! Community moderator elections have three phases: Nomination phase Primary phase Election phase Most elections take between two and three weeks, ...
381 views

### 2020 Moderator Election Q&A - Question Collection

The purpose of this thread was to collect questions for the questionnaire. The questionnaire is now live, and you may find it here. Code Golf is scheduled for an election next week, September 14th ...
334 views

### Nominations for Language of the Month, 2020 edition

We've decided to revive the Language of the Month event. We've also decided to start a new post for nominations. (You can see the old nominations post here.) So let's get to nominating! Procedure A ...
148 views

### Users with 1 rep aren't able to post answers on Meta

Despite our help page claiming you only need 1 reputation to participate in Meta, multiple users have reported being unable to post answers on Meta, despite being supposed to be (screenshot of a ...
138 views

### How to get reputation to post on the meta?

I'm sorry for posting here instead of on the meta but I'm not allowed to post on the meta. I need 5 reputation here to post in the sandbox. How am I supposed to get that if I am supposed to post in ...
98 views

### Scoring Desmos equations

The Desmos graphing calculator, commonly referred to as just Desmos1, has been used for a number of answers, by me as well as others. However, scoring (as well as I/O, but that's for another post) ...
38 views

### \[ in code triggers LateX in preview

When the code contains the characters \[, the preview shows everything else as LateX even though it is inside the  section. This is how the preview looks like: ...
55 views

### Answering a tip for golfing in a specific version of a language

Phrased generally, my question is: Given a language "The Summer" and an experimental branch of it "The Fall", should I answer a "Tips for golfing in The Summer" question ...
328 views

### Community Promotion Ads — 2020

2020 has come! But… oops, where did the time go? It’s already March! Belated as it is, it’s time for a refresh of Community Promotion Ads! What are Community Promotion Ads? Community Promotion Ads ...
2k views

### Nominations for Language of the Month [duplicate]

We've decided that we like the idea of a "Language of the Month" event. The main idea is to get more exposure for less-frequently used languages, and to have fun learning and golfing them together. ...
48 views

### Can we do some tag spring cleaning?

Looking at the last 3 pages of tags (sorted by popular), we can see a whole bunch of tags which are used on 5 questions or less. All of the questions with 0 questions (page 9 and some on page 8) are ...
117 views

### Does U+007F contribute to a byte count?

U+007F, though it is not a C0 control character, Unicode still considers it as a control character. It is the deleted character. If one mis-punched a character into a punched tape, one would turn it ...
82 views

### Can we do anything with the showcase?

The showcase is intended to, and was, a place to show and see new languages. In fact, it motivated me to learn ><>. But now, it's pretty much dead AFAIK. New languages keep coming in, but ...
251 views

### We decided to post a new factorial challenge. Should we close the old one as dupe?

The existing factorial challenge has some restrictions on the domain, performance, and banning built-ins. I opened a meta question about it a week ago, and as per the meta consensus, we decided to ...
189 views

### Reviving Language of the Month: Pick up where we left off, or start over?

Language of the Month was fun. Then it died. Now there's interest in bringing it back! I had assumed that we would just go back to the original nominations thread and pick the top-voted answer as LotM ...
139 views

### How can I retroactively deal with rules that turned out to make a challenge uninteresting?

I created a couple challenges recently which I was hoping would be pretty interesting, but turned into something significantly less interesting due to an oversight or regrettable rule. In De-...
860 views

### What are our specific abbreviations and terms?

Newcomers to codegolf.SE are often compelled to ask what many of our abbreviations and terms mean. Let us list them here so this information always will be easily available.
148 views

### Default policy for ouput in decision problems

Challenges tagged as decision-problem involve "deciding whether the input meets certain criteria". Although some challenges with this tag involve more than two categories, most involve only ...
315 views

### Should we remove unnecessary restrictions on the factorial challenge?

The Factorial challenge is one of the canonical challenges on our site. Just like "Hello World", "Add two numbers", "Primality test", and "Fibonacci", it ...
7k views

### How can we help users who are put off by the use of golfing languages?

Every other month someone expresses their (negative) feelings about golfing languages. Here is how this usually goes: they complain that they don't enjoy golfing in the languages they know because ...
185 views

### How do I let others use my custom golfing language?

I'm currently working on my own golfing language which is based on Python 3. Once this language is finished, what would be the best way to let other people use it? I know TIO is very widespread here, ...
262 views

### On “golf this for me” tips questions

Sometimes we get tips questions from a first-time contributor asking for help golfing a particular piece of code that they wrote. Often these question don't fare so well. Can we do anything here? ...
625 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 ...
141 views

### How can I improve my post?

Just recently I posted this king-of-the-hill question. It was a rock paper scissors contest, but opponents had access to each other's source codes. It wasn't very well received - it had some downvotes ...
88 views

### Unable to Delete and Unable to Close Vote

I've got a question that I really don't like (does not meet my standards, has repetitive answers because I did not realize how many languages had built-in functions for transpositions, etc). I would ...
102 views

### How to ask for a parser

Refer to this challenge in Sandbox. My major language is Haskell. In Haskell, a parser (type ReadS) is a function that inputs a ...
763 views

### Ruleset for RGS's Golfing Showdown - competition is over!

RGS RGS stands for RGS's Golfing Showdown, a golfing competition. The competition has ended, final leaderboard at the end of this post! 1 - The format The RGS will be a virtual golfing competition ...
372 views

### How should I count bytes with SQL?

First of all I want to mention that I use declarative set-based approach. So most (if no every) of my answer will be one statement without procedural part(user-defined functions, loops, control flow ...
94 views

### Why languages encode their SBCS into UTF-8 and vice versa?

I saw that in many golfing programming languages with a SBCS other than UTF-8 there is a converter (encoding and decoding) that converts the code/file from the SBCS defined characters to UTF-8 and ...
479 views

### Best of PPCG 2019 – Now Accepting Nominations!

You have chosen the categories for PPCG's "Best of 2019". We're going with 16 categories this year. Since all you amazing people have offered up a collective total of 16,000 rep in bounties, we can ...
56 views

### Do you gain reputation from upvotes from the meta site [closed]

I just have a simple question: Do you gain any reputation from the upvotes from the meta-site?
276 views

### Omitting trailing closing parentheses in Excel

When golfing in Excel, it is often possible to omit closing parentheses at the end of an expression. Excel will detect this, add the missing closing parentheses and ask if this is what was meant. ...
209 views

### Can we get a “magic link” to the Sandbox?

One of the more popular comments on our site goes something like this: Hi, and welcome to PPCG! Your challenge was closed because it's a bit unclear/broad/whatever as it is now. I would recommend ...
86 views

### Code Golf Contest(Idea)

Welcome to the idea of the Code Golf Contest, where many code golfers pit their skills against eachother in a Battle For Dream Island-esque competition! The prize? 300 reputation! The challenges will ...
56 views

### Feedback for closed questions

I just posted a question available here: Print out a valid pokemon team! , which got closed due to lack of details. I do understand that at first, my question was somewhat unclear, as mentioned by ...
181 views

### What's so great about code-golf. We're in the 2020s and memory isn't an issue. How about code-FormulaOne instead?

The challenging nature of aggressively optimizing for program size has itself long been recognized Wikipedia In the old days, memory was very limited The larger 360 models could have up to 8 MB of ...