Questions tagged [defaults]

For clarification of rules that apply to challenges if not mentioned by the author

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Policy on Outputting Irrationals as Fractions

There's consensus that answering with fractions is allowable for decimals that can be expressed as fractions. But what about irrational numbers? Can they be expressed as a rational representation of ...
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20 votes
5 answers
565 views

What is our consensus on floating point issues?

As far as I can tell, we don't yet have a definitive Meta consensus to the following question: Are answers allowed to work "in theory" but fail in practice due to floating point issues? ...
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11 votes
7 answers
517 views

Default policy for output 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 ...
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4 votes
1 answer
592 views

Is the "no MetaGolfScript" rule somehow formalized?

A disadvantage of the "default rules as answers" is that the rules don't have a common, organizing, "formal" thought behind them. I'm talking about this one here. I understand it as applying to "...
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  • 301
1 vote
3 answers
112 views

Are infinite score allowed by default for "lowest score win"?

Are submissions acceptable if their worst case score is unbounded? I think it worth a default exist
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  • 12.8k
1 vote
4 answers
76 views

Defaults for word lists

Some challenges (that I'm currently mulling over with a view to posting) require that the solution produces valid words. Having to embed an entire dictionary in a code-golf entry isn't the point of ...
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  • 5,671
8 votes
2 answers
289 views

Is "vim + plugins" a valid language?

It is probably not a shock to most of you, but I really enjoy answering code golf questions in Vim. There are many vim plugins that could greatly shorten some answers. For example, surround, subvert, ...
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  • 57.1k
7 votes
0 answers
180 views

Why can't we take input from a variable? [duplicate]

On the default allowed I/O methods, we have come to a consensus that programs may not take input from a predefined variable. However, we have decided that anonymous functions are allowed. In the ...
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6 votes
3 answers
223 views

Command Line Arguments in Polyglots

It occurs to me that there isn't really a general consensus on how command line arguments should be treated in polyglots. So... What should the consensus on command line arguments in polyglots be? I ...
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50 votes
1 answer
3k views

When can APL characters be counted as 1 byte each?

Prompted by this. The question of APL's encoding often comes up, and many times a helpful soul links to Wikipedia's article on the APL EBCDIC codepage. However, each implementation of APL has its own ...
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  • 27.6k
16 votes
6 answers
1k views

Which number formats are acceptable in output?

Comments on this loophole meta answer suggest that more than a simple yes or no answer is required. Which number formats are valid for output? Is there a difference between code-golf and other tags? ...
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  • 10.7k
22 votes
12 answers
3k views

Default acceptable image I/O methods for image related challenges

I do not feel that the default general acceptable I/O methods sufficiently cover image-processing and graphical-output challenges. So I would like to poll. What are the default acceptable I/O methods ...
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23 votes
3 answers
1k views

Should Booleans be allowed where a number is required?

This is a rather common inquiry in contests that require computing elements of a sequence. For example, consider the following recursive implementation of the factorial function (Python): ...
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4 votes
2 answers
147 views

Does drag+paste count as a valid form of input in Excel?

I recently answered in Excel, where my input was based on the user copying a cell's contents via drag and past over multiple cells, where the input n was the final ...
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-1 votes
1 answer
144 views

What should "JavaScript" be defined as?

JavaScript ES6/7 is a popular language on PPCG, but currently there is no definition for "JavaScript". JavaScript is a language with many implementations. Ecma international defines the ...
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  • 28.4k
7 votes
4 answers
356 views

Integer range defaults for challenges

When writing challenges involving integer I/O, I always find myself having to type the same thing: ...
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96 votes
47 answers
23k 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 ...
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  • 10.7k
20 votes
2 answers
2k views

When is code that requires a REPL acceptable?

Question in brief: For what challenge types and in what circumstances should code that requires a REPL be acceptable in an answer? There seems to be an understanding in chat that code that only works ...
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  • 10.7k
8 votes
4 answers
631 views

Minecraft I/O Methods

Seeing as how we've discussed a size measurement for Minecraft redstone creations, I thought I'd follow that up with establishing standard output and input methods. Minecraft, obviously, does not ...
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6 votes
1 answer
428 views

Machine code Input/Output defaults

We already have a question about default I/O for general code-golf submissions. However, entries in machine code have different built-in I/O capabilities from entries in high-level languages. Should ...
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  • 21.1k
4 votes
3 answers
359 views

How should we score compiler/interpreter build-time options?

Prompted by this comment. The scoring of optional flags passed to compilers/interpreters has already been handled here and here. However there is another case of one more level of indirection. ...
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19 votes
2 answers
2k views

What character encodings may a submission use?

In code-golf questions, we typically score submissions by their byte count. However, whenever a submission uses a character outside of the ASCII range, the question of which encoding the code uses ...
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  • 41.3k
9 votes
2 answers
153 views

Default for additional characters in output

Where the question does not explicitly state either way, should an answer that gives surplus output count as valid? Should this rule be different for visible characters and whitespace? Some specific ...
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  • 10.7k
14 votes
2 answers
280 views

Defaults for reading several pieces of input

When reading several pieces of input as command-line arguments, it is common practice to read each piece as a different argument. The command-line arguments now provide an array of the input pieces. ...
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  • 206k
115 votes
103 answers
33k 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 ...
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48 votes
6 answers
7k 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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33 votes
8 answers
5k views

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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  • 70.5k
411 votes
48 answers
202k 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 ...