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ianbooker

369 karma · joined August 9, 2012

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ianbooker··on Lessons learned from 15 years of SumatraPDF, an open source Windows app
I cannot compare it to SumatraPDF, but I really enjoy Skim: https://skim-app.sourceforge.io/
ianbooker··on Driving may reveal early signs of Alzheimer's
I think their AI is already doing that.
ianbooker··on Can a soundbar rival a surround-sound system in a blind listening test? (2020)
The underlying topic of such questions is: How capable are psycho-acoustical engineered* devices nowadays? When I succeed to design a device to sound exactly like a pro-setup, do I still need the latter?

I think that is a increasingly interesting philosophical question transferable to more and more topics.

ianbooker··on NASA can't figure out what's causing computer issues on the Hubble telescope
They did:

https://en.wikipedia.org/wiki/Stratospheric_Observatory_for_...

ianbooker··on USC professor’s DIY online teaching hack to engage students goes viral (2020)
Yes. Zoom is fine, you can either up the resolution for the "speaker view" in your account preferences (maybe just in the paid version), or even better: Use the screen share feature and under "advanced" you can share a second camera, or in this case: the virtual OBS camera. This will usually not be compressed as hard as the speaker views.
ianbooker··on USC professor’s DIY online teaching hack to engage students goes viral (2020)
Procreate. With the Pencil it is quite smooth and can mimic ballpens or pencil drawings.
ianbooker··on USC professor’s DIY online teaching hack to engage students goes viral (2020)
OBS is really the big enabler in (my) online teaching at the moment. I use an IPad with a drawing app, I draw on a predefined colored canvas and overlay it in OBS with a chromakey filter. If that is available to you, it is even cheaper. But then again, I am looking slightly down while writing..
ianbooker··on Linux on Chromebooks just might get me through a masters in computer science
I wrote my master thesis some time ago on a Samsung Chromebook equipped with an ARM CPU. Back then it was the perfect machine for me: fanless / silent, cheap and it ran Linux and i3wm after 10 minutes of setup. Even the keyboard was ok. Had no problems with Latex, just some minor hiccups with software not compiled for ARM that should be resolved by now.
ianbooker··on Show HN: Zoom / Teams Open Source alternative for online learning
Looks good. But does it scale?

And Firefox is not supported?

ianbooker··on More sleep or more exercise: the best time trade-offs for children’s health
From the abstract of the study: "A 0.1 standardized decrease in adiposity was associated with either 52 minutes more sleep, 56 minutes less sedentary time, 65 minutes less light physical activity, or 17 minutes more MVPA."

With MVPA being "extra exercise".

Interesting, how light activity is negatively associated. For adults its often suggested otherwise..

ianbooker··on Light Pollution Map
Every time I am on a motorway in Belgium I wonder why they have such a huge amount of streetlights on highways. Maybe because it doesn't matter anymore in terms of light pollution? :D
ianbooker··on Bike Theft Map
So your bike was stolen. Will that really affect your life? You need to spend 500 DKK on a new one.

Someone threatens you with force: That will affect you. Even if nothing happened physically. You wish you can get rid of that experience for 50.000 DKK for the rest of your life.

ianbooker··on Git's commit workflow is backwards, and encourages bad habits
I do not understand the benefit in the described scenario: Why not branch for the typo and the code refactoring? Is it a bad habit to reflect your changes after you coded them?

I see the benefits for a backlog in Git by using git plan, though. I would have used Gitlab Issues for this...

ianbooker··on New algorithm breaks speed limit for solving linear equations
This part of CS is indeed more a Geisteswissenschaft ("science of the mind").

I think what is most fascinating when you compare it to more conventional philosophy is the fact that you can quantify your advances so easily and precise.

ianbooker··on Download the Entire Wikimedia Database
Time to update XKCD: https://xkcd.com/548/
ianbooker··on Did Schnorr destroy RSA? Show me the factors
Good point on the signatures.
ianbooker··on Did Schnorr destroy RSA? Show me the factors
CP Schnorr is emeritus professor from Frankfurt university. He is respected for his work in cryptography. He has, pun intended, nothing to prove but still works and furthers research.

Yes, claiming that "this breaks RSA" is bold, but this implementation shows that there is some advance in doing so in the paper.

Therefore signaling that this is a "scandal" via the postfix "gate" seems just inappropriate.

Apart from that kudos for the implementation to Ducas!

Calling it the "Schnorr attack" would imply that the outcome of it is still uncertain. And it also would sound way cooler ;)

ianbooker··on Before buying a NYT subscription, here's what it'll take to cancel it
But canceling prime does not make you a non-customer for amazon. People tend to forget that. You can still order, you still have your account and the refund is an incentive to "come back" -- although you never left.

Not to criticize this behavior, just to set it into the proper context. Its just smart to see the potential customer in your cancellations anyway.

ianbooker··on What my retraction taught me
In most fields papers / articles are still the one critical metric crucial for career advancement. You will sit on data and code until you are ready to publish, sometimes for years.

Datasets and analytical code must be regarded as a scientific achievement on its on, albeit not as substitute for the "full" substantive analysis in a paper.

A social science PhD in Denmark, for example, must write two to four peer reviewed papers at the moment. The option to substitute one of the articles with a data set?

Things get better though: People nowadays at least understand my citations better, since I cite at least the explicitly included R-packages used in my work.

ianbooker··on A CSV file with 80k tweets from the day of the capitol hill riots
Presumably. It would suffice to just report the tweet ids, then you can "rehydrate" these into full tweets using the API.
ianbooker··on First E-Ink like color tablet with Tcl NXTPAPER technology
For years I was extremely interested in an e-Ink tablet for reading scientific papers, but while the technology and hardware became more and more available, I realized that there is no scenario that such hardware would ship with software able to properly annotate PDF documents in an interchangeable format (like valid PDFs f.E.). And that this would be stable and supported for some reasonable time.

Source: My experience with Android tablets, iOS and Linux PDF-Software and every presentation of eInk-tablets seen so far, where this is never really part of their pitch.

ianbooker··on Owncast Instances
I was inclined to say that you need the right niche with the right culture. See game streaming with it small but frequent donations. But with enough momentum your apparently can create such a culture in quite some topic areas, like classical trained violin playing: https://www.youtube.com/user/twosetviolin. Interesting!
ianbooker··on Hell Yes CSS
CSS has a fundamentally different cognitive kalkül. You can do things fast, but if you do not have a deeper understanding, it can get pretty frustrating. At least historically.

It is like asking a Python programmer to write Prolog. Anyone can write Prolog, but only if you are willing to learn. The difference is: Prolog is an optional choice for most, CSS is a must for certain applications..

ianbooker··on Top Retractions of 2020
What minority did Galileo offend?
ianbooker··on Top Retractions of 2020
It is "what that is saying"(!).

It is another story whether handling the formalities of hiring for German universities is easy. It is not.

ianbooker··on I created an alternative to the YouTube algorithm to stop me wasting time
Then you cut out videos you were interested in the first place.
ianbooker··on Covid vaccine: First ‘milestone’ vaccine offers 90% protection
That is immunity after illness, isn't it? I would not be sure you can extrapolate that for immunity after a specific vaccination. The vaccine from Mainz / Mayence for example trains your immunity by introducing just parts of the shell / shell dna / rna. Could work even better for immunity or worse, one has to study that for every vaccine seperatly, I think.
ianbooker··on Restoring a 37 Year-Old IBM F Mechanical Keyboard
HN introduced me to mechanical keyboards and especially the Model M, way before the renaissance we see now. So I sourced some Model Ms (before it was pricey) and Apple Extended Keyboards. For the sake of my office mates, I ended up using external but oldschool Thinkpad keyboards for silence and office peace.

I had high hopes for an external Apple butterfly keyboard, since it basically fulfills the promise of mechanical keyboards in providing haptical and audible feedback, combined with a shorter key travel. Additionally it would have been socially accepted far more easily than anything mentioned above;)

Since that will not be happening anytime soon, I have to wait 10 years until the virtues of the butterfly mechanism will be rediscovered by a small group of enthusiasts and hackers. :P

ianbooker··on Nine in ten adults think buying latest smartphone is waste of money
Funny enough: I had the G6 Plus and I would be honestly happy to have used it even a few more years. Just the lack of security updates let me upgrade my phones nowadays.
ianbooker··on Letsencrypt, the Good, the Bad and the Ugly
I agree with some of the comments, title should be not letsencrypt but certbot, the provided implementation of certifying your server.

At least for Ubuntu 20.04, Letsencrypt does not require you to install the Python stack for certbot anymore and switched to a Snapd package. Although at least I had to install Snapd for that matter.

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