code logs -> 2016 -> Wed, 25 May 2016< code.20160524.log - code.20160526.log >
--- Log opened Wed May 25 00:00:49 2016
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08:45
< yardboy>
am i here?
08:45
<~Vornicus>
No, you are there
08:45
<~Vornicus>
I am here
08:45
< yardboy>
thank god! i thought i disappeared.
08:46
< yardboy>
so where are you?
08:48
<~Vornicus>
Here, clearly
08:49
< catadroid`>
I am nowhere
08:49 catadroid` is now known as catadroid
08:49
< catadroid>
I'm actually a very advanced AI
08:49
< Azash>
Aren't we all? #deep
08:50
< catadroid>
Yes
08:51 yardboy [bpj1138@Nightstar-72e.ouc.56.172.IP] has quit [Ping timeout: 121 seconds]
08:54 yardboy [bpj1138@Nightstar-vmseuc.tmodns.net] has joined #code
08:54
< yardboy>
now I know what happened
08:55
<~Vornicus>
were you eaten by a grue?
08:56
< yardboy>
i didn't know what to call it..
08:58
< yardboy>
it was big, ugly, and it could fly..
08:58
<~Vornicus>
do you happen to be purple
09:02 yardboy [bpj1138@Nightstar-vmseuc.tmodns.net] has quit [Ping timeout: 121 seconds]
09:14
< abudhabi>
Suggestions for a Python IDE?
09:21
<~Vornicus>
I don't use one, but I'm told pycharm is pretty decent
09:23 Kindamoody is now known as Kindamoody|afk
09:31 yardboy [yard_b0y@Nightstar-b27tgt.tmodns.net] has joined #code
09:32
< yardboy>
I think I got it now?
09:33
< yardboy>
I'm going to note the time, and see how long I can manage to stay on..
09:34
< catadroid>
To infinity!
09:34
< catadroid>
And beyond!
09:35 yardb0y [yard_b0y@Nightstar-vmseuc.tmodns.net] has joined #code
09:36
< yardb0y>
*laugh*
09:36
< catadroid>
Or about five seconds
09:36
< catadroid>
One of the two
09:37
< yardb0y>
I think there is a cosmic conspiracy against me.
09:38 yardboy [yard_b0y@Nightstar-b27tgt.tmodns.net] has quit [NickServ (RECOVER command used by yardb0y)]
09:38 yardb0y is now known as yardboy
09:38
< yardboy>
or maybe it's just bad software
09:40
< catadroid>
Think it's more likely to be an uncaring universe
09:41
< yardboy>
it's deliberate i tell you!
09:43
< catadroid>
They do hate you
09:43
< catadroid>
I'm sorry
09:43
< catadroid>
They hate all of us
09:43
< catadroid>
D:
09:45 yardb0y [yard_b0y@Nightstar-pus.ouc.56.172.IP] has joined #code
09:47
< yardb0y>
I wonder if the phone company is blocking the IRC port or something?
09:47
<~Vornicus>
if that were the case you wouldn't be able to connect at all
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09:48
< yardboy>
good point!
09:48
< yardboy>
I changed from mIrc (which was expired) to hexchat
09:49
< yardboy>
maybe I need to run identd?
09:54
< yardboy>
I guess the next step is to see if the connection problems occur at set intervals or randomly.
09:55
<~Vornicus>
3:44, 3:51, 4:02, 4:38, 4:45
09:55 yardb0y [yard_b0y@Nightstar-pl0.ouc.56.172.IP] has joined #code
09:57
< yardb0y>
Looks like an exact 10 minute interval.
09:58
< yardb0y>
great.. they are causing it!
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10:00 yardb0y [yard_b0y@Nightstar-pus.ouc.56.172.IP] has joined #code
10:01
< yardb0y>
This place looks familiar. Was this a gamedev channel in the past?
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10:06
<~Vornicus>
poor guy
10:10
< yardb0y>
story of my life
10:11
<@TheWatcher>
If you keep getting blocked, try a different port. nightstar servers listen on 6664-7000 for non-ssl connections.
10:14
< yardb0y>
I think I've broken the 10 minute barrier, I'll stay on and see what happens.
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10:18
< yardb0y>
maybe it takes time before the internet adapts to my computer equipment, eh?
10:20
<@TheWatcher>
As for your earlier question: game dev discussion sometimes happens in here. But it has never been dedicated to that
10:20 yard_boy [yard_b0y@Nightstar-5pv.ouc.56.172.IP] has joined #code
10:20
<@TheWatcher>
Or maybe not~
10:23
< yard_boy>
i remember when i first got a modem, i asked somebody if i could call a c64 board with an atari
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10:29
< yardboy>
let's see if 6664 works
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10:31
< yardboy>
hexchat is crap!
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10:36
<~Vornicus>
this is all your connection.
10:36
<~Vornicus>
most likely it's some bs like "idle connections get disconnected by the isp"
10:37
<@TheWatcher>
Probably, yeah
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11:22
<@TheWatcher>
This, so very much: https://twitter.com/EmilyGorcenski/status/734168364298424320 >.<
11:25
<@ErikMesoy>
Yep
11:29
<@gnolam>
Yes.
13:30
< [R]>
"The most useful documentation isn't "what", but "why.""
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14:00
< pjdelport>
Also "How"
14:07
< catadroid`>
...i am using std::enable_if a lot
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18:08
< abudhabi>
Guys, how fast could a fighter jet go, if falling apart or bursting into flames were not concerns, if it had constant 4g of acceleration?
18:08
<@Tamber>
"Very", then it would probably run out of fuel.
18:09
< abudhabi>
Suppose that it's powered by a magical gravitic drive.
18:09
< abudhabi>
I'm trying to determine maximum velocity in an earthlike atmosphere.
18:09
< abudhabi>
Before air drag cancels out the thrust.
18:10
< pjdelport>
Sounds like a question for https://what-if.xkcd.com/
18:10 Emmy-zZz is now known as Emmy
18:11
< abudhabi>
My other sources tell me that it's something to the other of 1800 m/s at least.
18:12
< abudhabi>
Is this at all reasonable?
18:14
<@ErikMesoy>
That's about twice as fast as the Blackbird's record. Seems order of magnitude correct but maybe a bit high, I would ignorantly expect the Blackbird to have had more thrust than 4g during its record burns and hit diminishing returns very fast.
18:16
< abudhabi>
How do I convert the Blackbird thrust figure into gees?
18:19
<~Vornicus>
1 g = 9.8 m/s^2
18:19
<~Vornicus>
what is your thrust figure's units
18:21
< abudhabi>
32,500 lbf (145 kN)
18:21
< abudhabi>
Loaded weight: 152,000 lb (69,000 kg)
18:21
< abudhabi>
Thrust/weight: 0.44
18:21
< abudhabi>
Is this convertible?
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18:49
<~Vornicus>
Perfect.
18:49
<~Vornicus>
actually, t/w is already basically in g
18:51
<~Vornicus>
sorry, wrong, 145kN / 69 tonnes in g = 0.21 g
18:51
<~Vornicus>
I don't know how it got 0.44
18:52
< abudhabi>
So something that could pull 4g would go really, really, really fast?
18:53
<@ErikMesoy>
Oh wow. The Blackbird was getting up to Mach 3 with only one-fifth of a gravity of acceleration?
18:54
< abudhabi>
I think I'll go with extrapolated figures from the Empress Marava class, which is stated to have an airspeed velocity of 2001 mph with 2.6 g thrust.
18:55
<~Vornicus>
a thing pulling 4 g will run out of air in 71 seconds, exiting the atmosphere at mach 8 if pointed straight up
18:56
< abudhabi>
What if it's trying to hug the ground and get below the horizon ASAP?
18:58
<@ErikMesoy>
Below the horizon relative to something how tall?
18:59
< abudhabi>
A few meters.
18:59
<~Vornicus>
point that fucker down, you're at orbital velocity in three minutes
18:59
<@ErikMesoy>
Okay. In that case I think it's more important to ask how tall the *craft* is flying.
19:00
<@ErikMesoy>
Its cruise height will be effective height for purposes of having the short thing below the horizon.
19:00
<@ErikMesoy>
If it's flying at 500m, below the horizon occurs at 80km.
19:02
<~Vornicus>
really you don't care about acceleration per se, it's acceleration vs drag
19:03
<~Vornicus>
drag is typically propto the square of the the velocity, so a blackbird with 4g of acceleration behind it should be capable of 7,855 m/s in atmosphere and that'
19:03
<~Vornicus>
s as fast as the ISS
19:04
<@Tamber>
That would also probably make air-traffic control Very Unhappy Indeed.
19:05
<~Vornicus>
that would make *everyone* Very Unhappy Indeed.
19:06
<@ErikMesoy>
You are going ~25x the speed of sound and shattering eardrums and a lot of other fragile material getting hit by sonic booms.
19:06
<@ErikMesoy>
http://www.independent.co.uk/news/uk/home-news/sonic-boom-heard-in-three-countie s-broke-windows-and-prompted-deluge-of-emergency-calls-8660951.html
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19:07
<~Vornicus>
if you can pull 2.6 g's of acceleration but your top speed is 2000mph, your craft has *huge* drag losses.
19:10
< abudhabi>
Vornicus: It is to the order of 700 short tons heavy, and isn't critically overoptimized for speed.
19:10
<~Vornicus>
700 short tons with 2.6 gs of acceleration
19:10
< abudhabi>
200 displacement tons for volume.
19:12
< ToxicFrog>
It gets weirder, since the net thrust produced by a jet engine varies with both airspeed and air pressure.
19:13
< abudhabi>
Correction - metric tons.
19:13
< abudhabi>
Just a weird unit.
19:15
<~Vornicus>
What TF said. I've been ignoring that 'cause jet engines are freaky and you have to tune them for performance in the range you want
19:15
< ToxicFrog>
What the hell is a "displacement ton", and how can you use either that or the tonne as a measure of volume?
19:15
<~Vornicus>
1 displacement ton: 1 cubic meter.
19:15
<@gnolam>
abudhabi: at a constant acceleration and not having to worry about falling apart or bursting into flames, drag is your only limiting factor. So give us a drag coefficient.
19:15
< abudhabi>
Actually, a displacement ton is about 13 cubic meters in this context.
19:15
<~Vornicus>
what.
19:16
< abudhabi>
I wish this thing had a drag coefficient.
19:16
< abudhabi>
http://www.elvwood.org/Traveller/Marava.html
19:16
<@gnolam>
(And if it can do 4 g, you don't even need wings, so...)
19:16
< abudhabi>
Vornicus: Something, something, hydrogen.
19:17
< abudhabi>
Size is measured in ādisplacement tonsā or d-tons: a hundred-
19:17
< abudhabi>
ton ship displaces a volume equal to one hundred tons of liquid
19:17
< abudhabi>
hydrogen (one d-ton equals roughly 14 cubic metres).
19:17
< abudhabi>
I was off by 1!
19:17
< ToxicFrog>
abudhabi: I'd read 'airspeed' there as 'maximum airspeed before you have to worry about the hull melting and/or falling apart', with no relation to thrust
19:17
< abudhabi>
Alright.
19:18
< ToxicFrog>
(at a guess, 'airspeed' there is speed at 1atm and 'skimming airspeed' is speed in the upper atmosphere if you are e.g. aerobraking, but that's just a guess)
19:18
< abudhabi>
(I've guessed that too.)
19:19
< ToxicFrog>
What does it mean by "1.09/2.60 g" as the thrust? Fully loaded/empty?
19:19
< ToxicFrog>
Er, as the acceleration
19:19
< abudhabi>
I think.
19:19
< abudhabi>
Yeah, must be that.
19:19
< ToxicFrog>
Oh, yeah, it has to be that based on the values for "emass" and "lmass", assuming those are "empty mass" and "loaded mass"
19:19
< abudhabi>
Probably.
19:20
< ToxicFrog>
And the "aerostatic lift" value is maximum lift, in stons (?????), using both the thrusters and the gravitic drive.
19:20 * catadroid` grabs ToxicFrog and forces hugs
19:20
< ToxicFrog>
It looks like it can hover on gravitics when empty but not when full. This is not a ship designed for bulk loading planetside
19:20
< ToxicFrog>
eep
19:20 * ToxicFrog hugs catadroid` tight and kisses her lots and snuggles
19:21
< abudhabi>
"stons" is a silly unit that means "metric tons as a unit of mass".
19:21
< ToxicFrog>
The metric tonne is already a unit of mass!
19:21
<&McMartin>
Wait, since when are metric tons not a unit of... right
19:21
<&McMartin>
It's the imperial or US ton that's a unit of force.
19:21
< abudhabi>
ToxicFrog: But then you have dtons for volume! :V
19:21
<&McMartin>
Wait, but, um
19:21
< ToxicFrog>
The displacement tonne appears to be a unit of :catdrugs:
19:21
<&McMartin>
Well
19:21
<&McMartin>
So
19:21
<~Vornicus>
boats use it all the time.
19:22
<&McMartin>
It's important to note that a cubic meter of water masses about a metric ton and weighs about a customary ton.
19:22
<~Vornicus>
(long ton)
19:22
<~Vornicus>
(for weighs)
19:22
<&McMartin>
(thank you)
19:23
< ToxicFrog>
Vornicus: with boats, the displacement value is the mass, in tonnes, of water displaced when the ship is floating, and is == to the mass of the ship itself; "displacement" is just naval jargon for "vessel mass"
19:23
< ToxicFrog>
It has nothing to do with volume.
19:23
<&McMartin>
Well
19:23
<&McMartin>
Except for water having a constant density
19:23
<&McMartin>
Which means mass and volume are "the same thing" >_>
19:24
< ToxicFrog>
Except it doesn't!
19:24
< ToxicFrog>
As you travel up the St. Lawrence Seaway from the Atlantic Ocean to the Great Lakes, your displacement volume changes but your displacement mass doesn't.
20:11
<@gnolam>
https://twitter.com/ajlobster/status/735240869859753985
20:17
< pjdelport>
š„
20:18
<&McMartin>
š“
20:22
<@Tamber>
?
20:26
< abudhabi>
20:27
<&jerith>
&nbsp;
20:32
<@ErikMesoy>
_ngstskr_
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22:26
<@gnolam>
https://twitter.com/mipearson/status/735306904642199552
22:36 Kindamoody|afk is now known as Kindamoody
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23:17
<&McMartin>
Brilliant
23:25 catadroid [catadroid@Nightstar-rakpdl.dab.02.net] has joined #code
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23:35
<@Reiv>
Brilliant?
23:35
<~Vornicus>
Brillant.
23:36
<&McMartin>
https://twitter.com/mipearson/status/735306904642199552
23:39
<@Reiv>
Reminds me of the toaster days, before Moltare made his opinion known in due agression.
23:39
<&McMartin>
Yes, chatty bots are not really de rigeur in this land
23:42
<@Reiv>
pretty much
23:42
<@Reiv>
*Our* slackbot tells me when my wife shows up at reception
23:42
<@Reiv>
Usually a couple seconds before the email and TXT message.
23:47
<&McMartin>
I must note that I'm unfamiliar with "slackbot" as a thing
23:54
<@Reiv>
slack = corporate IRC
23:54
<@Reiv>
slackbot = pre-installed bot that you can configure to do shit for you
23:55
<&McMartin>
Aha
23:55
<@Reiv>
Rangng from twitter-watching to typing /gif aliens and it'll search the whatsit website with the memes on it
23:55
<&McMartin>
imgur
23:55
<&McMartin>
Or maybe gfycat
23:56
<@Reiv>
I think I was thinking of gfycat
23:56
<@Reiv>
dunno
23:56
<@Reiv>
anyway
23:56
<@Reiv>
As those cases example, you can configure utility somewhat... widely
23:56
<&McMartin>
Which, now that I have spoken to some employees thereof, I can confirm is actually pronounced "jiffy-cat"
23:56
<@Reiv>
... you talked to them?
23:56
<&McMartin>
And not "go f**k yourself, cat", as I had assumed
23:57
<@Reiv>
ha ha ha
23:57
<&McMartin>
They in fact took over our old office space when we moved out of there
23:57
<@Reiv>
snerk
23:57
<&McMartin>
Previously they had basically been based in another startup's lunchroom.
23:57
<&McMartin>
Incubators are... noticably stingy with resources, but hey, more space than people, right~
23:57
<@Tamber>
meta-startup?
23:58
<&McMartin>
I guess incubators count as meta-startups?
23:58
<@Tamber>
I was thinking startup-within-a-startup. :p
23:58
<&McMartin>
Ah, no, not like that
23:58
<&McMartin>
More "one incubated startup has more space than it needs, so the incubators crammed two more in there"
23:59
<@Tamber>
Ahh
--- Log closed Thu May 26 00:00:04 2016
code logs -> 2016 -> Wed, 25 May 2016< code.20160524.log - code.20160526.log >

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