The Nineteenth Byte

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ais523

03:50

@MilkyWay90 I don't have the rep to comment, but in actual BCT, the 10 and 11 commands are two characters long

it wouldn't surprise me if this modified version is sub-TC, although I'm not sure; it might be possible to use some sort of multi-stage process for programming in it

Ørjan Johansen

04:03

@ais523 Hm, so only productions of the regexp form 1*0.

(You don't think you're overdoing this avoid rep thing a smidge?)

ais523

I hardly post here anyway

I only came online to send Fatalize a bugfix for Brachylog

Ørjan Johansen

I mean when you don't even have enough to comment.

ais523

blame SE for putting the permissions in the wrong order; I decided to stay below 15=upvote, as it's too easy to upvote by mistake and accidentally get badges for it

and I'm trying to avoid badges because they're permanent marks on an account you can't get rid of, and that makes me uncomfortable

Ørjan Johansen

You know you can undo an upvote for a short while, right?

ais523

you get the badge anyway

at least, if it works the same way as accepts

misclicking, accidentally accepting an answer, and getting a badge for it is the trigger that made me delete my first account

although it was more of a last-straw thing than anything else, I was pretty fed up with SE by that point already

Anonymous

04:12

It would be pretty easy to whip up a userscript that removes the buttons for voting and accepting

ais523

I completely reset the settings on my browser-with-JS-enabled every now and then, so using userscripts here is awkward

the other reason to not vote, btw, is that I have a deleted account which made a huge number of votes, and I don't want to accidentally vote twice on the same post (which would be fairly easy given that there's no record remaining of where the original votes were)

3 hours later…

Jo King

06:52

Can we expand the definition of pristine-programming to include any sort of code modification? Basically, such that for a question defined set of possible modifications, the original program must work correctly, but all subprograms will error.

New Main Posts

Q: Pristine Bit Checking

Write a program that takes two integers in the range \$0\$ to \$255\$ inclusive, and returns whether the binary forms of the numbers are exactly one bit different. For example, \$1\$ and \$0\$ have binary forms 00000001 and 00000000, which are one bit apart. Similarly, \$152\$ and \$24\$ are 01...

ASCII-only

07:18

@JoKing was gonna try this in perl 6 but can't get eval to return a function :|

ASCII-only

07:29

well crap

this is going to be a lot harder than i thought

@JoKing wait, full programs only right?

Jo King

07:46

@ASCII-only Both programs and functions are fine

ASCII-only

sadly python needs a full program

Jo King

What do you mean eval won't return a function?

Have you tried prepending a &?

ASCII-only

@JoKing more like, you can't call it, it always says it got 0 args

example

actually... for programs it'd be easier to use a bash script to check pristineness, but i'm too lazy :|

Jo King

&(...)

ASCII-only

@JoKing oh nice, ty

Jo King