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drblue

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Why Haskell? 2 years ago

The highest priority is probably making real debugging tools. Right now, the only decent debugging tool is ghc-debug to connect to a live process, and doing anything over that connection is slow, slow, slow. ghc-debug was the only thing which was able to resolve a long standing thunk leak in one of my systems, and I know that unexplained thunk leak caused a previous startup I was at to throw away their Haskell code and rewrite it in Rust. In my case, it found the single place where I had said `Just $` instead of `Just $!` which I had missed the three times I had inspected the ~15k line program. ghc-debug still feels like a pre-alpha though, go compare it to VisualVM for what other languages have.

Also, I have found very little use for the various runtime flags like `+RTS -p`. These flags aren't serious debugging tools; I couldn't find any way to even trigger them internally at runtime around a small section, which becomes a problem when it takes 10 minutes to load data from disk when the profiler is on.

The debugging situation with Haskell is really, really bad and it's enough that I try to steer people away from starting new projects with the language.

15.ai 4 years ago

Friendship is Magic was a legitimately good show. (Or at least Season 1 and 2 were).

Has some bugs.

So I was wowed by your maps and signed up to try the free account. I uploaded my world (I had to do it twice because the upload timed out once, and the second time it took several minutes). After logging in to pluto.minefold.com, it didn't put me in my world (My world's seed: -6543031652815246039 vs what the seed on pluto is: 1328309103 if you want to follow up)

Also, I'm hesitant to play on anything that doesn't have bukkit/WorldGuard. I'm not sure what your access control/griefing rollback mechanisms are. That should probably go in your FAQ.

Citations please. If that was true, I've learned a new fact that conflicts with most of what I know about obesity having an effect on, for example, heart disease.

The first link when googling for "lifespan by bmi" is:

http://wehrintheworld.blogspot.com/2009/05/bmi-and-life-expe...

Which cites two metareviews. The first is a collaboration between the UK Medical Research Council, several British organizations including one out of Oxford, and the US National Institute on Aging (which is under the NIH umbrella). It was published in _The Lancet_ (Impact factor: 33). I will quote the quoted part from said blogpost:

> BMI is in itself a strong predictor of overall mortality both above and below the apparent optimum of about 22·5–25 kg/m2. The progressive excess mortality above this range is due mainly to vascular disease and is probably largely causal. At 30–35 kg/m2, median survival is reduced by 2–4 years; at 40–45 kg/m2, it is reduced by 8–10 years (which is comparable with the effects of smoking). The definite excess mortality below 22·5 kg/m2 is due mainly to smoking-related diseases, and is not fully explained.

While I found a few studies that didn't find a correlation (including one in AMA), I can't actually find an academic source for the claim that people with a BMI of 25-30 have the longest lifespan and see lots of claims that the optimal BMI is in the low 20s. Do you have any citations handy?