sradman

72 ms·

691.
by sradman 6y ago
This is a little different. It was well after the last glacial maximum but the glacial waters were still trapped in the prehistoric lakes like Lake Iroquois and the Champlain Sea; the oceans rose once these lakes drained. The caves are inla
692.
by sradman 6y ago
Original paper [1]. Ochre was being extracted from underground cave systems on the Yucatán ~10 kya. The caves are now flooded as sea levels were still rising after the last glacial maximum. [1] https://advances.sciencemag.org&#x2
693.
by sradman 6y ago
PostgreSQL and Oracle were always a good starting point for a queueing system since they support MVCC, a necessity for the hot rows at the head of the queue. DB2, Sybase, and Microsoft started with hierarchical locking, but all three have a
694.
by sradman 6y ago
MQSeries was not built on DB2. It may use DB2 XA for distributed transactions, important for what Jim Gray called “server pools” in the paper, but otherwise these are independent technologies.
695.
by sradman 6y ago
> nuclear power is tightly coupled and complex Sounds like you have read Charles Perrow's 1984 book Normal Accidents [1]. New fuel systems are actually key to safe design, IMHO. All the major nuclear power incidents, that I'm
696.
by sradman 6y ago
Toronto's 30km PATH system [1] makes staying "indoors" less of a challenge if you can afford to live in one of the connected buildings. According to IMDB the movie takes place in Calgary. The abandoned mall conversions feels
697.
by sradman 6y ago
> Would it be correct to say that most of these tools are identical to Wiki software... It would be correct to say that a personal Wiki is a modern way to implement a Zettelkasten system [1]. Zettelkasten (Slip-Box is the literal transla
698.
by sradman 6y ago
YAZN (Yet Another Zettelkasten Notes) system. This one is Markdown with YAML Front Matter for metadata and an Electron based editor. Roam, Foam, Zettlr. All of these start with the powerful principle that every document/note should be
699.
by sradman 6y ago
> When it comes to housing policy, we conservatives run the risk of becoming a caricature of ourselves, long on reactionary impulse but short on principle. There are two principles dear to conservatives that form an antagonistic relation
700.
by sradman 6y ago
> We have html.. The origins of AsciiDoc is informative. AsciiDoc is a lightweight successor to the XML DocBook format used originally to write O'Reilly computer books/manuals. Both DocBook and ePub XML add semantic elements re
701.
by sradman 6y ago
Railway crossing design has parallels in software design. Rare events, expensive safety/security mechanisms, expensive redesign, and safety/security mechanisms that are perceived as repetitive irritants rather than timely helpers.
702.
by sradman 6y ago
Humanitarian OpenSteetMap looks similar/complementary to Million Neighborhoods [1] mentioned today in another HN post [2]. Both articles seem to be timed with the opening of the 2020 State of the Map conference [3]. [1] https:/&#
703.
by sradman 6y ago
Well done. Both Guietta and PySimpleGUI surprised me by implementing an Internal DSL for Python. Both leverage Python's List literals to define a GUI grid layout. PySimpleGUI uses nested Lists to define the grid with a .WidgetType() st
704.
by sradman 6y ago
GraalVM has an AoT (ahead-of-time) compiler that links against a “Substrate VM” [1] library. It [still starts as]* bytecode but an executable is generated that has fast startup times and low disk/memory footprint. These properties are
705.
by sradman 6y ago
> they were really pushing server side Javascript as the development language for the web (and mostly losing to mod_perl). Enterprise server-side JavaScript was the first stage of dynamic web servers that connected to relational database
706.
by sradman 6y ago
> He said he thinks that nuclear power will be necessary in any zero-emissions scenario. The question in mind is whether there is product-market fit for a small/reliable nuclear reactor that competes directly with mature diesel gene
707.
by sradman 6y ago
I guess it depends on the timing and the extent of the decline of trees. Jared Diamond’s assumption that an unsustainable tree collapse occurred before European arrival is a good one but this paper challenges some of the supporting evidence
708.
by sradman 6y ago
TL;DR: The future success of a startup is unprovable so you have to let it play out to see if it succeeds.
709.
by sradman 6y ago
Firstbeat Analytics provides algorithms to Garmin and other Smart/Fitness-Watch makers. For example, they provide the algorithm that predicts Sleep Cycles from Heart Rate Variability [1]. [1] (PDF) https://assets.firstbeat.c
710.
Garmin Acquired Firstbeat Analytics(firstbeat.com)
1 points by sradman 6y ago|1 comments
711.
by sradman 6y ago
> Where Graviton2 is designed to suit Amazon’s needs for Arm-based instances, Ampere’s goal is essentially to supply a better-than-Graviton2 solution to the rest of the big cloud service providers (CSPs). So the question is whether they
712.
by sradman 6y ago
OK, this is a new Intel SIMD-like instruction set: AVX for vectors, now AMX for matrices. I guess this is an alternative to Nvidia GPU, Google TPU, Apple Neural Engine, etc..
713.
by sradman 6y ago
The link from szhu clarifies the purpose for me: Single Page App (SPA) like behavior via IFrame-like syntax.
714.
by sradman 6y ago
Using EEG data as a biomarker unrelated to sleep sounds interesting. From the paper [1]: > At the baseline and week 8 clinic visits, the severity of the participant’s depressive symptoms was rated on the 21-symptom HRSD... > In additi
715.
by sradman 6y ago
It sounds like the key promise of solid state batteries is shorter charge times (10x better according to [1]). [1] https://www.popularmechanics.com/cars/hybrid-electric/news/a...
716.
by sradman 6y ago
> The 2020 China–India skirmishes are part of an ongoing military standoff between China and India. ...numerous Indian government officials said that border tensions will not impact trade between India and China despite some Indian campa
717.
What limits legal access to cloud data in Australia?(mnot.net)
3 points by sradman 6y ago|0 comments
718.
by sradman 6y ago
I was being fuzzy with my language. Between 5kya and 3kya [1], the domesticated chickens that began their journey in mainland Asia ended up as part of the standard toolkit of the Melanesian and Polynesian people that spread widely throughou
719.
by sradman 6y ago
> But then I remember that my species comes from eastern Africa... via Madagascar via South East Asia, assuming I'm remembering Jared Diamond correctly. I wonder if there are any Polynesian strains with interesting genetic diversity
720.
by sradman 6y ago
How does the spent fuel get aerosolized and into the atmosphere? Some of the more recent comments link to a site that detected iodine-131 in Norway. Vented hydrogen/steam from partially uncovered fuel rods (e.g. Three Mile Island, Fuku

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