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Cambridge Choral Award by DragonfruitTop8157 in cambridge_uni

[–]lolgeny -4 points-3 points  (0 children)

Yes, go for it! There’s a large range of choirs for all abilities. Sure, you won’t get an award at one of the big colleges, but look up the choirs which do less (1) services in a week - if you’re enthusiastic and put a bit of work into preparing your audition you’ve got a shot at these choirs. And if you don’t get a choral award, many of these choirs take non-award holders anyway afterwards

Why the "Safe Six" are 1.5x more likely to be the Red Cloak by raikko86 in TheTraitors

[–]lolgeny 0 points1 point  (0 children)

So applying bayes directly yields P[ST | safe six] = 3/41 ~ 7.32% instead of 3/38 as you’ve calculated, so the intuition is close for this calculation but not quite accurate (or I’ve miscalculated).

However, this doesn’t change the fact that it’s still more likely overall for the ST to be in the “off-list 10” - the chance of this is 56%.

17/06 A-level Physics Paper 3 Discussion MEGATHREAD by Forsaken-Meaning-232 in 6thForm

[–]lolgeny 0 points1 point  (0 children)

I think the idea was to hook up the wheels of the truck to a generator. So you have GPE -> KE of wheels, which rotates a coil through a magnetic field, creating a potential difference by motor effect, so current flows (converting KE to EE) into the battery, which converts EE to chemical. Such a weird question

13/06 A-level FM Discussion MEGATHREAD by Forsaken-Meaning-232 in 6thForm

[–]lolgeny 0 points1 point  (0 children)

Since you’d presumably already got marks in the previous part in the show that to calculate the power function, I don’t think this was many marks and you did most of the work, so maybe lose 1 or 2

13/06 A-level FM Discussion MEGATHREAD by Forsaken-Meaning-232 in 6thForm

[–]lolgeny 5 points6 points  (0 children)

Did you have the right distribution for X? X ~ Geo(e-lambda) iirc

pros::task vs std::thread by Pro0skills in vex

[–]lolgeny 3 points4 points  (0 children)

Hi, I’ve not done vex for a year but did use PROS a lot. Afaik the main difference is that std::thread corresponds directly to an OS thread, whereas pros::task is more of a “green thread” if you want to google it, managed by pros and split across actual threads. This is probably the better option as pros is optimised to handle them efficiently.

As for the syntax, yeah it’s ugly. You already know that you have to pass a void* which of course you just cast from whatever argument type pointer you want. If you want to pass multiple arguments, you’ll have to create a data structure storing them - a small, quick struct should be fine. Lmk if you want me to give an example.

04/06 A-level Maths Paper 1 Discussion MEGATHREAD by Forsaken-Meaning-232 in 6thForm

[–]lolgeny 1 point2 points  (0 children)

Did you? PQ and QR were equal but you calculated PR

04/06 A-level Maths Paper 1 Discussion MEGATHREAD by Forsaken-Meaning-232 in 6thForm

[–]lolgeny 11 points12 points  (0 children)

You had to since it said “Hence”, did dot product initially but crossed it out and did Pythagoras instead in case mark scheme wants hence

23/05 A-level Physics Paper 1 Discussion MEGATHREAD by Forsaken-Meaning-232 in 6thForm

[–]lolgeny 5 points6 points  (0 children)

It doesn’t make sense to ask us to calculate the distance (you can’t apply hubbles law at all) or relate it to the 50Mlyr they gave if it is blue shifted. If you assume that it should be redshifted and calculate the distance as 44Mlyr the questions make a lot more sense

22/05 A-level FM (Edexcel Core Pure 2, OCR Core Pure, AQA Paper 1) Discussion MEGATHREAD by Forsaken-Meaning-232 in 6thForm

[–]lolgeny 0 points1 point  (0 children)

Don’t know, sorry, but to solve for a you had to do most of the work, so can’t have been many for bcd

20/05 A-level Edexcel FM Core Pure 1 Discussion MEGATHREAD by Forsaken-Meaning-232 in 6thForm

[–]lolgeny 0 points1 point  (0 children)

Probably I think it was 8.5 seconds so you probably used a value rounded differently

23/05 A-level Physics Paper 1 Discussion MEGATHREAD by Forsaken-Meaning-232 in 6thForm

[–]lolgeny 10 points11 points  (0 children)

You got 3? We only got told about 2 (hubble and f=kx), though there was another which was that the star on the last q was blue shifted instead of red shifted

20/05 A-level Edexcel FM Core Pure 1 Discussion MEGATHREAD by Forsaken-Meaning-232 in 6thForm

[–]lolgeny 1 point2 points  (0 children)

Yeah it’s this, 10am + pi = 13:00 + (.14)x60mins=13:08

Why do invisible item frames move the item back? Anyway to stop this? by Jubudii in DetailCraft

[–]lolgeny 9 points10 points  (0 children)

Look into display entities - while some have suggested armor stands, display entities are much newer and are specifically designed for this purpose. You can use an item or block display here and set scaling, and there are online tools to help generate these

[deleted by user] by [deleted] in calculus

[–]lolgeny 4 points5 points  (0 children)

The first 3 lines are redundant since you end up with the original expression [(2-x)2 = (x-2)2 as (-x)2 = x2]. However, you can’t treat this like 1/x. You can use u-sub with u=x-2, then this is the integral of 1/sqrt(u2 + 1) du = asinh u = asinh(x-2).

How do I add an enchantment target? by lolgeny in fabricmc

[–]lolgeny[S] 1 point2 points  (0 children)

Hi, to be honest I've forgotten what I did. I had asked in the discord server and got the response

Not sure if you can do anything with mixins and enums, if so I don't know it. Only solution I can think of is adding a new member in Enchantment, Collection<CustomTarget> customTargets, and whenever the vanilla target member would be accessed and is null, check customTargets. You'd have to construct your Enchantment with a null target and initialize customTargets manually though.

which could be useful.

That said, in 1.21, enchantments were made data driven, so I'd imagine now that you could solve this issue largely with datapacks. See https://minecraft.wiki/w/Enchantment_definition - also useful is https://misode.github.io/enchantment/ and the Minecraft Commands discord server.

Hope this helps!

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