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Dennis
Dennis
15:48
julia> findfirst(_->true, "abc")
1

julia> find(_->true, "abc")
ERROR: MethodError: `find` has no method matching find(::Function, ::ASCIIString)
Closest candidates are:
  find(::Function, ::AbstractArray{T,N})
  find(::Function, ::Number)
@AlexA. ^
Made something work with findin btw. I was rather surprised it works at it does. 
julia> findin("abc",[97;99])
2-element Array{Int64,1}:
 1
 3
 
1 hour later…
Dennis
Dennis
17:03
Julia is now on Try it online!
3
(I hope nothing blows up.)
Sp3000
Sp3000
17:19
Oh boy, that's cool but also sounds like a bad idea :P
Alex A.
Alex A.
@Dennis \o/ (-1 link no longer forwards to a rickroll)
@Dennis FYI you don't need semicolons when you're making an array like that, you can just use commas.
Dennis
Dennis
@AlexA. I can set up a conditional redirect for IPs from Washington.
Alex A.
Alex A.
@Dennis uh... no thanks. I want to be able to use it. :P
Dennis
Dennis
@Sp3000 It's sandboxed (no write access, no internet), I've blocked outgoing SMTP connections with iptables (additional security measure) and set a conservative process limit (to prevent fork bombs). I hope that's enough.
Sp3000
Sp3000
Yeah, I'm wondering about the "hope" part :P
Alex A.
Alex A.
17:27
@Dennis For this you can use search. It's search(string, chars) or search(string, substring).
Dennis
Dennis
@AlexA. Yeah, I just modified the code I already had, which uses ranges.
2
A: Reverse Greek Conversion Golf

DennisJulia, 82 70 bytes x->10.^((t=findin([1:5;76;6:16;72;17;19:25;80]+912,x)-1)÷9)⋅(t%9+1) Try it online!

Alex A.
Alex A.
Nice :)
Dennis
Dennis
@Sp3000 Me too. :P In the end, I think sandboxing interpreters will be more secure than my current approach though, which consists in trusting the authors of a gazillion esolang interpreters.
Alex A.
Alex A.
haha
Dennis
Dennis
For example, Seriously had a few bugs that allowed arbitrary code execution at one point.
Sp3000
Sp3000
17:31
So does that mean if I destroy something, it'd only be destroying the sandbox?
Dennis
Dennis
It should.
Alex A.
Alex A.
> should
>_>
Dennis
Dennis
This is new terrain for me.
Sp3000
Sp3000
I'm trying my very best to break things right now :P
Alex A.
Alex A.
Hint: try run()
Sp3000
Sp3000
17:33
I'm doing that :P
Dennis
Dennis
A new sandbox is created for each Julia process, and all changes to the sandbox are emulated, i.e., not really written to the actual file system.
Sp3000
Sp3000
17:51
Not sure if TIO lagging or something broke
Alex A.
Alex A.
FYI: Julia 0.5 will have alldistinct, which is equivalent to length(x) == length(unique(x)). \o/
@Dennis github.com/JuliaLang/julia/issues/16022
Dennis
Dennis
@Sp3000 Uh, I had to restart Apache for some reason...
What did you do? :P
Sp3000
Sp3000
killall5
Alex A.
Alex A.
>_<
Sp3000
Sp3000
shutdown needed root, I was just trying random things
Dennis
Dennis
17:55
Ah yes, I saw that in ps aux.
I shouldn't be running CGI scripts as www-data.
Sp3000
Sp3000
(side note: I don't know what I'm doing but this is fun)
Alex A.
Alex A.
Another Julia 0.5 FYI: Comparison between Char and number types will probably go away. That is, ' ' == 32 will most likely throw a MethodError.
That will of course have negative consequences for golfing but IMO makes more sense in a production environment
Dennis
Dennis
(╯°□°）╯︵ ┻━┻
I think I'll keep different versions on TIO.
Alex A.
Alex A.
:(
Dennis
Dennis
OK, added permalinks to my recent Julia answers.
@AlexA. +1
Alex A.
Alex A.
18:08
You know, you can actually +1 on GitHub ;)
Dennis
Dennis
Had to switch to desktop version. I gave you a thumbs up.
@Sp3000 My sandbox doesn't seem to be sufficient. I can prevent killall5 from nuking Apache, but not from interfering with other TIO processes...
Sp3000
Sp3000
18:43
Hmm darn
 
2 hours later…
Dennis
Dennis
20:47
OK, killall5 should do no harm now. Unfortunately, killing a request isn't quite as easy anymore.

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