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7:00 AM
@AlexA. What? Perhaps you'd like to reread what I said. :-P
 
Note that "assumed" is past tense. ;)
 
Ah, hahahaha.
 
Sounds like a magical place.
We have ##ppcg if you ever want to join.
It's usually quite barren.
 
@AlexA. freenode, or elsewhere?
 
Oh sorry, yeah freenode
 
7:02 AM
Sure, I'll be happy to join. ;-)
 
:D
 
Holy crap, there's nobody there.
At least #stackoverflow have people in it, albeit idlers mostly.
 
Anonymous
Sounds like ##ppcg needs an influx of Megos and bots
 
Doorknob has a bot that comes in
 
fireworks should be banned/removed/owner only
 
7:15 AM
Feature request the Miaou guy
 
just did, unofficially
 
How?
 
I understand how fractals work, but sometimes, it still baffles me how there's SO MUCH DETAIL.
Okay, this is severely tricking my eyes with regards to white balance.
Oh, here's another stare-worthy gif:
 
7:33 AM
Cha-ching 1000+ rep on SO!
 
7:49 AM
@El'endiaStarman Why do magenta, cyan, and yellow make black? shouldn't they make white?
 
@quintopia It's red, green, and blue that make white.
 
Anonymous
@quintopia Subtractive colors, not additive
 
@Mego it weirds me to have subtractive colors on a monitor :P
 
ever tried making paint mixings with html RGB ratios?
 
Anonymous
7:51 AM
@quintopia Tbh I dunno how chromatic optics works, I just regurgitated what my physics prof said
 
Anonymous
I barely paid attention in that part of physics
 
ಠ_ಠ
Is simple. You should know.
Okay, trying to find a particular diagram...
 
I don't like that second one
 
Anonymous
Is the circle thingy yellow?
 
What's the problem with it?
 
7:56 AM
no
well
 
Anonymous
I have no idea what color it is
 
it should be "white light (whole visible spectrum)"
 
@Mego Oh wait, you're one of our color-blind users, right?
 
Anonymous
@El'endiaStarman Yep
 
and "all light except yellow absorbed"
and "yellow light reflected"
 
7:57 AM
Yes, the circle is yellow.
 
Anonymous
Hence why chromatic optics is especially hard for me
 
That makes more sense now... >_>
 
Anonymous
Normies look at examples and are like "oh yeah that totally makes sense"
 
Anonymous
I look at it and am like "wait is that yellow or green"
 
@Mego well i'm a normie and it totally doesn't make sense :P
 
Anonymous
7:59 AM
@quintopia It doesn't make sense to you for a different reason - you're complaining about lack of details
 
Red + green = yellow
 
Anonymous
I'm complaining about my eyes lacking the ability to accurately tell me what color something is
 
@quintopia: Yes, the corrections you've pointed out are technically correct. However, remember that the cones in our eyes are primarily sensitive to red, green, and blue light, so it makes sense to separate those out.
 
@El'endiaStarman that is also misleading
 
Anonymous
I know the formulas for colors, but for the most part, they are meaningless to me
 
8:00 AM
In Mego's case, he's missing basically all the sensitive-to-blue cones.
 
Anonymous
And a good chunk of the green ones
 
the cones in our eyes are differentially sensitive to ranges of colors. yellow just happens to excite both L and M cones in the same way that a particular mix of red and green light does.
 
Anonymous
Really it's a wonder I'm not achromatic :P
 
Anonymous
Here's a fascinating fact: some people aren't aware that color tv and movies were ever created
 
8:02 AM
@Mego Is there any other part of your vision that's adversely effected, or is color-blindness the only problem?
 
Anonymous
@El'endiaStarman I'm moderately myopic and have pretty bad astigmatism in my left eye
 
@Mego because they are achromatic and never realize it? or just because they live in a place without tv and movies?
 
Anonymous
I can see ok without glasses, but there's a lot of squinting involved
 
Anonymous
@quintopia Both, but I mainly meant the first
 
@Mego You'd have to live with people who are also achromatic. Otherwise, you'd eventually notice a difference between your perception and theirs
 
8:04 AM
Not necessarily.
 
Anonymous
My prescription is 2.75xL 3.50xR
 
Anonymous
^^
 
Anonymous
An individual who is achromatic from birth could feasibly go their entire life without ever considering that their vision is abnormal
 
Anonymous
How do you know you're missing something when you never had it?
 
One of my friends said some time ago that they went for many years (like, around 20) before they realized that they had synesthesia.
 
8:06 AM
i mean, there'd have to be some sort of conditions for you never to look at an optical diagram and go "that diagram makes no sense"
 
Anonymous
@quintopia What do you mean?
 
no one with access to the internet, and the wealth of colorblindness tests all over it would not notice eventually
 
Anonymous
Why would you take a colorblindness test?
 
Anonymous
They're not routinely administered
 
idk I think there were colorblindness tests at school about 5000 times
 
Anonymous
8:09 AM
I never took one at school
 
Anonymous
Well, not until high school, after I had already known I was colorblind
 
How/when did you figure it out?
 
Anonymous
I don't exactly remember
 
Anonymous
I was pretty young, like 7
 
Anonymous
I think my sister suspected I might be colorblind, and got me to try a test she made (one of those dot tests) with markers
 
Anonymous
8:10 AM
But it's been a few years :P
 
haha, yeah
 
Anonymous
My grandfather is also colorblind, and he didn't find out until he was like 30
 
That reminds me of a science fair project I did in middle school (which got an Honorable Mention, probably mostly because it was more research than it was project) where I looked at how our eyes react after being inundated with lots of white light. I actually had a color-blind person do the same thing. I don't remember what he saw. But I remember what prompted that experiment.
I had been out in the snow for like three hours or something, then I came inside. I remember the white walls of the house being magenta, and I had that kind of after-effect for a couple minutes. It was pretty weird and cool too.
 
Anonymous
Whenever that happens to me, everything looks more blue for a while
 
Anonymous
I dunno what color it actually appears to be, but it looks blue
 
8:15 AM
Really? That's fascinating.
 
Anonymous
It's probably affected by what cones in your eyes don't work
 
Who wants to play battleship?
 
@Calvin'sHobbies up
 
Hmm?
Can other people see anything?
 
not sure, i set my ships
waiting for you @Calvin'sHobbies
 
8:23 AM
I was looking for a game more than two people could play :/
 
Anonymous
Mafia
 
@Calvin'sHobbies that is a 2 player game
usually
 
That's an interesting idea. N-player Battleship.
 
yup, ppcg it?
waiting for opponent @Calvin'sHobbies ....
 
I mean I couldn't find one, no simple ones at least
 
8:25 AM
It'd have to be a KotH.
 
@CSᵠ Where? I'm playing Starman
 
the link you sent
 
I thought it'd only be good for one game. Maybe not
 
Anonymous
victoryyyyy
 
no
 
8:31 AM
nuuuuu
 
I beat ^
 
Anonymous
I beat ^
 
play again!
 
Anonymous
Nah
 
8:31 AM
Find a game everyone can play at once
 
Anonymous
I'm actually gonna get some sleep
 
Anonymous
@Calvin'sHobbies mafia
 
agar.io?
 
Anonymous
eww no
 
Anonymous
sellout.io
 
8:32 AM
Okay, what about this idea? Field is much larger, everyone has their ships on the same field, but you only know the positions of your ships and where you successfully hit other ships.
I think that'd be a way to do n-player Battleship.
 
implement it then
 
Nah, you do it. I have a language to finish. :P
 
@El'endiaStarman nice
 
Anonymous
@El'endiaStarman And once your ships are all out, no more shots from you
 
Of course.
 
8:33 AM
even better: RTS battleship, where you can set ships on courses, and change one ship's course each turn before you fire ze missiles
 
Anonymous
The only issue would be assigning ship positions
 
s/turn/30 secs/
 
HA!!
 
Also possible: show hits from other players.
@Mego I think that'd have to be done by the computer.
 
Anonymous
You can determine where another ship is by the fact that you can't place a ship there
 
Anonymous
8:34 AM
The controller would have to randomly place the ships
 
Anonymous
This needs to be a KotH
 
@El'endiaStarman king-of-the-hill n-battleship
 
lol
 
Alright, I guess I'll put up a preliminary Sandbox post.
 
ships anchored, each can fire in a "cycle"
 
8:36 AM
^
so when you don't have a destroyer, you sit the destroyer turn out
 
Anonymous
Nah, just make it one shot per player who still has at least one ship alive
 
Anonymous
KISS
 
neah, simple, ships all can fire
 
@Mego anti-KISS: one shot per ship you have
 
8:37 AM
but! relative to ship position and relative to ship size
^ realistic
kinda
@quintopia YUP
 
Anonymous
@quintopia That's dumb and gives a huge disadvantage to players who are losing
 
@Mego not if you can see other players' hits
 
Anonymous
Players who are ahead will stay ahead, and players who are behind will get further behind
 
more can win in a round...
 
since you get extra shots when you hit
 
Anonymous
8:39 AM
@quintopia How does that negate the disadvantage of not being able to fire as often when you are losing?
 
i just said why
 
Anonymous
That won't negate it
 
put the destroyer idea back in, with SPLASH damage!
 
Anonymous
KISS
 
8:40 AM
HUG
 
I'm going with the one-shot-per-turn model.
 
fewer ships could be an advantage too: less probability yours gets hit
 
Anonymous
Hugely Uninteresting Game?
 
@Mego DRY
 
@feersum Howard Ulysses Grant!
@CSᵠ SYHTRY
Sometimes you have to repeat yourself.
 
Anonymous
8:40 AM
@CSᵠ DRY is about programming, not arguing
 
@Mego LESS !
 
more is less is more!
 
Okay, should players see other players' successful shots? I kinda like that idea.
 
Anonymous
@CSᵠ Now you're just typing common words in caps
 
@El'endiaStarman that would be carnage
 
8:41 AM
Multiplayer game? My name is plain "Calvin"
 
But LESS is a thing.
 
@El'endiaStarman and should people get extra shots after hits?
 
Anonymous
@El'endiaStarman Yes, and I'm on the fence about them seeing other misses too
 
so is DRY
LESS DRY KISS, more Redundant KISS PLS
 
I don't think misses should be visible. I mean, a hit will have a huge billowing explosion...
 
8:43 AM
since it's [koth] you could expose some stuff...
make it realistic, why not
 
huh, apparently no one on PPCG golfs in Flogscript
 
maybe see if in your radius ?
back with the radius idea
 
Anonymous
 
@Mego It was a weird game. I quit. (sorry if the other player was actually from here)
 
I was beating you anyway... :P
It's a graph connectivity game!
I didn't get it at first either, but the second round, I did.
 
8:46 AM
@El'endiaStarman Don't name yourself undefined! :P
 
I tried to pick "elendia"!
 
Anonymous
@Calvin'sHobbies Mego') DROP TABLE players;--
 
@Mego lol remembered this one stackoverflow.com/a/15754118/731947
 
0
A: Sandbox for Proposed Challenges

El'endia StarmanN-Player Battleship king-of-the-hill The Rules The field is a 5N by 5N grid, where N is the number of players. The controller places each player's ships randomly. Each player can see their ships and the shots they have made, successful or not. Each player can also see other players' successfu...

 
Anonymous
Oops
 
Wow, Mego.
 
You made my browser slow!
 
Anonymous
9:23 AM
<3
 
[sigh]
...this is exactly what I need to learn C#. An easy REPL.
Visual Studio is so big and slow...
 
Anonymous
^
 
Anonymous
Mono is nice though
 
Mono? o-o
Why would anyone want mono?
 
Dang, their sandbox is good.
 
9:29 AM
Join us @VoteToClose -> coderpad.io/GMD6794F
 
Anonymous
@El'endiaStarman Hmm?
 
@Mego They've got something that blocks excessive memory/processor usage.
 
Anonymous
@El'endiaStarman You mean the permutations stuff?
 
And 10**10**10**10.
Your truth machine, on the other hand... =_=
 
Anonymous
:P
 
Anonymous
9:32 AM
The permutations stuff is efficient because Python 3
 
Anonymous
itertools uses generator objects that are lazily evaluated
 
Hence the list(...).
 
Anonymous
Yeah
 
@El'endiaStarman If by the sandbox you mean the universe, then yes, it blocks computation of 10**10**10**10.
 
@feersum I mean this: coderpad.io/GMD6794F
 
9:33 AM
@Mego It's the same in Python 2.
 
Anonymous
@feersum Yeah, but range is also efficient in 3
 
What's your point?
I didn't read the link if it's about that.
 
Anonymous
The link is to a multiuser IDE
 
10:18 AM
compressing an entire program then wrapping it in exec(program.decompress()) isn't a loophole is it?
it's not on the list...
 
@quintopia I'd say no. But it might not help unless the original code is long
 
ForEver? Seems legit. — VoteToClose 14 secs ago
 
kk. It saves 9 bytes in this case...\
 
Anonymous
Worth it
 
10:33 AM
@quintopia Make sure to also put the decompressed source code as well so some other golfing tips may arise.
 
yes i did
but i think i've got a bug...
 
Regular golfing tips may not always apply.
It can be better to use a function that's one char longer, but has more common letters.
 
^ This is true.
Side note: my half box still has 8 stars on the starboard. :D
Okay. That's cool, but enough. xD
 
11:05 AM
I'd just like to quickly point out that my top three repped answers are 1) Minecraft 1.8.7, 2) Minecraft 15w43a, 3) a joke/standard loophole.
 
Anonymous
Anyone here have a Matlab subscription?
 
11:18 AM
@VoteToClose Good lord
 
Anonymous
how do run mathematica code
 
Anonymous
If[#>0,-Zeta[1-#]#,1]&
 
Anonymous
I have no idea how to use that
 
can someone link me to the dystro.. chat url?
 
Oh hay, game of life!
 
thx
 
@Mego By getting a Raspberry Pi or buying a subscription to Mathematica.
 
Anonymous
@VoteToClose I'm using the Wolfram Notebook thingy
 
Anonymous
Mathematica syntax is foreign to me
 
1
Q: String input with or without ""?

flawrWhen challenges require to read a string via STDIN/Console I have seen people interpreting that in mainly two ways. The first one was that you actually just have to type the string as This is an example string. the second way required you to also type some sort of delimiter (usually double " o...

 
11:33 AM
@VoteToClose I don't trust your selection...
 
Selection?
Okay, that's cool.
Since the chat removes empty newlines, the half-box trick works infinitely.
 
Anonymous
inb4 mods ban halfboxes
 
@VoteToClose What do you mean? Perhaps show me in here to avoid spam accusations -> chat.stackexchange.com/rooms/1/sandbox
 
Yeah, one sec - writing up a bot to show it.
 
Anonymous
I finally finished testing all the answers for the Bernoulli question, except the Haskell answer that I am too incompetent to be able to test :/
 
Anonymous
11:45 AM
I regret everything decision I've ever made that led me to testing all of those programs
 
Anonymous
On the plus side, I'm the proud owner of several new interpreters
 
/me claps.
 
@NewMetaPosts clearly the answer is "if the challenge doesn't specify, either is acceptable"
 
grc
12:43 PM
@quintopia I thought without quotes was implicit in 'reading from stdin'
do people actually use quotes?
 
1:15 PM
somebody beat the max player!
 
@NathanMerrill phew !
what's a halfbox?
@VoteToClose why a rPi? bundle deal with license?
 
1:30 PM
@NathanMerrill I found another tiling with an 8-cell tile density 1/2:
110
 110
  00
with offsets 2(right)/1(up) and 4(down)
 
@MartinBüttner I'm trying to tile that, but I'm getting overlaps
 
put the top 11 right underneath the bottom 00
and then shift the entire thing to the two cells to the right and one up
you should get right-up going stairs of Z-tetrominos (of 1s), separated by stairs of 0s.
 
I believe I found a 3 in a row
let me make sure
 
damn, where?
 
maybe not
I can do "two-right, one up" really well
but every time I try "two-left, one down", I always mess up
 
1:39 PM
:D
 
something there at the bottom doesn't look quite right
 
my editor used tabs
 
oh, right
 
    110
  110110
11011000
 11000110
  00110110
  11011000
   11000110
    00110110
    11011000
     11000
      00
 
1:41 PM
yes, that's what it's supposed to look like
 
so, it feels very similar to the first (trivial) case we came up with
except its rotated 45 degrees
which is super interesting
 
as a rectangular tile, it's 4x8:
11011000
01100011
10001101
00110110
 
we have 2x2 grids, a line between them, and a line below them
 
unfortunately, all of this isn't really helping at all
I'm pretty sure feersum's conjecture is right, but I have no clue how to go about proving it
 
2:02 PM
have you tried looking at length 4?
1110
1110
1110
0000
9/16 density :P
 
I did, and came up with an 8/15 tiling, but that's actually inferior to the trivial one.
 
11100
00111
11001
01110
10011
3/5 density
 
nice :)
I think I've got 5/8
1110
1011
1110
0001
I think this also works:
1110
1011
1101
0001
 
2:20 PM
is 2/3 possible?
 
Ooo, what are we tiling?
 
same as last time, but avoiding 4-in-a-row instead
(were you here last time?)
 
No, I wasn't here last time. /reading
 
@Mego Alright then. I edited some more but I'm not sure I can golf it any better at this point
 
> If the user tries to buy an alcoholic beverage, you must demand proof of age. To do so, you ask the user to multiply two random numbers between 13 and 19 (inclusive).
^ This seems like it would not have the intended effect, but the opposite :/
 
2:29 PM
@AlexA. I am far more fond of number theory, but that's probably because I've never had to take a quiz on it :P
 
Ah, so something like
110
010
for density of 1/2 would work. Is that what you're referring to as "the trivial tiling?"
 
that tiling doesn't work
110
010
110
010
you have an infinite down line
 
sorry, need to offset it
 
no, the trivial tiling is this:
 
110110110
010010010
 110110110
 010010010
  110110110
  010010010
 
2:33 PM
110
110
000
or
1110
1110
1110
0000
 
@TimmyD Nathan posted that earlier (just rotated) I think
wait
his had fewer gaps
23 mins ago, by Nathan Merrill
11100
00111
11001
01110
10011
 
yeah, mine only had 2 0s between lengths of 3
 
2
Q: Advent of Code(golfing) – Day 1

PhroggyyToday, Advent of Code started. Please see adventofcode.com for more details. Here, I would like to see solutions to the first day's problem, for both part 1 and 2. Part 1 Santa is trying to deliver presents in a large apartment building, but he can't find the right floor - the directions he ...

 
Ah, I see. Interesting problem.
 
@Mego Yeah Mafia! Town of Salem is browser-based implementation of Mafia
 
2:46 PM
@NewMainPosts In addition to being off-topic, also very similar to codegolf.stackexchange.com/q/63999/42963
 
the CJam solution for the first part is quite nice: 0q~W* :)
(because ( and ) happen to be increment and decrement in CJam, only the wrong way round, so we just eval the input on 0 and then multiply by -1)
 
Hehe
 
for the second part, I suppose either 0q{~_}%1#) or 0q'_*~]1#) works
 
0
Q: Amount of pieces on a checkers board

AdnanIntroduction A normal checkers board contains 8 x 8 = 64 squares: You can see that in total, there are 12 white pieces. Black and white always have the same amount of pieces. If there are any more pieces on the board, the pieces would neighbouring, which is not allowed for this challenge. To ...

 
@Geobits Ninja'd :p
 
2:55 PM
Damn, Timmy-ninja'd in the comments :(
*&%&^%(&
 
Whoa, and again! :D
 
I'm going back to what I was doing :)
 
I get to see deleted answers!
 
Welcome to the seedy underbelly of PPCG.
2
 
> You will never find a more wretched hive of scum and villainy. We must be cautious.
 

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