David HoVote for Target 2024
Andrew Reeves-Hall
@AndrewRH
- 130 Followers
- 206 Following
- 20 Posts
jwzThe Turing Police say "X Wins"
I had understood in principle that printf is Turing complete, but I am still aghast at this interactive game of tic-tac-toe implemented with a single printf statement.
Computing the NOT of a single value is also easy:...
https://jwz.org/b/ykOt
The Turing Police say "X Wins"
I had understood in principle that printf is Turing complete, but I am still aghast at this interactive game of tic-tac-toe implemented with a single printf statement. Computing the NOT of a single value is also easy: printf("%1$255d%1$s%hhn", a, b) will compute *b = (strlen(a)+255)%256 = strlen(a)-1 and again, because strlen(x) is either 1 or 0 we have *c = !b From here we can compute any ...
Jon WorthRight
Now the #EiffelTowers map is ready as well! 💪
Now over 470 towers mapped
Full zoomable map
https://umap.openstreetmap.fr/en/map/eiffel-towers-derivatives-and-replicas_1006050#3/22.35/11.87
Can you help me confirm the status of the ones with the ? icons? Can you send me a picture to use for the ones without one? Any towers I am missing?
Next: update the blog post about this (not today!)
Did One Guy Just Stop a Huge Cyberattack? https://www.nytimes.com/2024/04/03/technology/prevent-cyberattack-linux.html?unlocked_article_code=1.h00.SmFh.QtWvU5Hj4jxZ&ugrp=u
David HembrowI promised a blog post about how much it cost to heat our home in winter with heat pump vs. gas. Also about the much improved insulation. Here it is:
http://davidhembrow.blogspot.com/2024/04/relative-cost-of-heating-with-heat-pump.html
To summarise: In the worst case, our CO2 emissions are reduced by 95% vs. burning gas, we have no heating bill at all any more, and our home was warmer than before.
#VanHetGasAf #HeatPump #Insulation #EnergyBill #Heating #EnergyCost #CO2Budget #ZeroCO2Emission #EnergyEfficiency
AndresFreundTecI accidentally found a security issue while benchmarking postgres changes.
If you run debian testing, unstable or some other more "bleeding edge" distribution, I strongly recommend upgrading ASAP.
Drunk AI?
'Here, we combine extensive chemical and sensory analyses of 250 different beers to train machine learning models that allow predicting flavor and consumer appreciation.'
Predicting and improving complex beer flavor through machine learning - Nature Communications
Perception and appreciation of food flavour depends on many factors, posing a challenge for effective prediction. Here, the authors combine extensive chemical and sensory analyses of 250 commercial Belgian beers to train machine learning models that enable flavour and consumer appreciation prediction.
Dan GoodinA newly discovered vulnerability baked into Apple’s M-series of chips allows attackers to extract secret keys from Macs when they perform widely used cryptographic operations, academic researchers have revealed in a paper published Thursday.
The flaw—a side channel allowing end-to-end key extractions when Apple chips run implementations of widely used cryptographic protocols—can’t be patched directly because it stems from the microarchitectural design of the silicon itself. Instead, it can only be mitigated by building defenses into third-party cryptographic software that could drastically degrade M-series performance when executing cryptographic operations, particularly on the earlier M1 and M2 generations. The vulnerability can be exploited when the targeted cryptographic operation and the malicious application with normal user system privileges run on the same CPU cluster.
Firstdog OnthemoonFish! Everyone loves fish. And everyone loves it when fish get good news. So read this cartoon! https://www.theguardian.com/commentisfree/picture/2024/mar/22/constant-bad-news-doing-your-head-in-why-not-read-about-the-fish-doorbell-instead
Ruth Mottram"Climate models can’t explain 2023’s huge heat anomaly — we could be in uncharted territory
Taking into account all known factors, the planet warmed 0.2 °C more last year than climate scientists expected. More and better data are urgently needed."
Good piece in Nature this week by Gavin Schmidt covers the extremely anomalous temperatures in 2023, well before El Nino got started as well as the loss of #Antarctic #SeaIce and aerosols...
