#aggregate

Time for a reality check... I think some folks thought #Trump's approval rating would keep falling, but it's rising.

#Ipsos has his net approval going from -8 pts to -1 pt with voters. #Aggregate has him up higher than late April too & much higher than at this point in term 1.

2025-05-08

The #firebug #Pyrrhocoris apterus is widespread throughout much of #Palearctic. Adults and the five nymphal stages tend to #aggregate. They are #soildwellers and feed on plant #seeds, occasionally also on insect eggs. Some mite species can be on the bugs, with the #parasitic #mite #Hemipteroseius adleri being particularly specialized for it.

© #StefanFWirth #Berlin 2025

in my #YouTube video about a tree (2025)
youtu.be/wZqDuEFu8Nk?si=0HLyBs

#Photo

P. apterus Bln, 2020, new edit 2025 © S. F. Wirth

2025-05-05

In a short exchange with @jankatins I was stimulated to figure out a concise answer to needing to grab the previous or the upcoming non-null value in a column in PostgreSQL, in the order decided by the user, which would be similar to using `lead` and `lag` with the non-supported IGNORE NULLS directive.

The implementation I came up with nears poetry in its simplicity and elegance: gist.github.com/diraneyya/4455

2025-05-04

I am getting into writing PostgreSQL functions in the C language and I am particularly interested in ordered-set aggregate functions.

Is there anyone out here who can direct me in the right direction?

2025-01-26

Мой путь к быстрой и понятной архитектуре, или зачем я выбросил агрегаты из DDD?

Данная статья затрагивает некоторые аспекты при выборе подхода к проектированию предметной области для сложных корпоративных систем. В ней исследуются причины возникновения классических подходов и их анализ, для возможного улучшения. Это моя первая статья на данную тему. В начале хочется сказать, что предложенная концепция не пытается претендовать на роль какой-то панацеи и уж тем более на роль единственно верной, она так же имеет рад своих преимуществ и недостатков. Это скорее попытка переосмыслить опыт, который накопился у меня за несколько лет проектировании корпоративных систем. Материал изложен в виде вопросов и попыток на них ответить.

habr.com/ru/articles/876742/

#ddd #domaindriven_design #domain_model #repository #use_case #c# #net #services #aggregate #entity

2024-12-11

An eye-openning talk by Mette Bendixen (Geography, #McGillUniversity ) on artisanal extraction of sand and gravel for concrete in the developing world.
Back breaking work, low pay, environmentally destructive and controlled by powerful syndicates.
Below is from Rwanda.

#sand #aggregate #UrbanDevelopment #DevelopingNations #rivers

Men extracting sand from two sites in the Nyabugogo River. Fig. 2A: exhibits five men extracting sand from the riverbed, with piles visible at the riverbank awaiting loading into a truck. Fig. 2B: A miner stands on a man-made platform piling sediment into stockpiles

from Bendixen et al (2024) Towards a holistic understanding of artisanal aggregate mining in Rwanda
John Vaccaro (johniac)johniac
2024-11-29

Attention-Worthy Links for November 29th, 2024

bit.ly/awl112924

sulphide environmental costs #28% oxide power Wave extinctions Schneider propeller impact crater China # Iceland Iceland # Geronimo III ##1541 O’odham

2024-10-21

Enhancing Infrared Photodetectors with 2D Supramolecular Organic Frameworks

Researchers developed a composite optoelectronic device using 2D Supramolecular Organic Frameworks (SOFs) and lead salts, achieving high detectivity and stability

chemistryviews.org/enhancing-i

#chemistry #chemistryviews #chemviews #chemiverse #aggregate #materials #organicframeworks #optoelectronic

aproposnixaproposnix
2024-06-30

It's 2024 and still, no easy way to your data from multiple and without relying on 3rd party proprietary solutions.

Imagine you've been saving your data for years but then your sensor needs to be replaced but the sensor is made by another manufacturer, a new data silo is formed because most companies force you to only use their solution or big tech sync.

Here's a paper on the topic from 2018. ncbi.nlm.nih.gov/pmc/articles/

2024-06-19

Aggregate (geology) (Petrology 💎)

In the Earth sciences, aggregate has three possible meanings. In mineralogy and petrology, an aggregate is a mass of mineral crystals, mineraloid particles or rock particles. Examples are dolomite, which is an aggregate of crystals of the mineral dolomite, and rock gypsum, an aggregate of crystals of the mineral gypsum. Lapis lazuli is a type o...

en.wikipedia.org/wiki/Aggregat

#Aggregate #Pedology #Petrology #Mineralogy #IndustrialMinerals

2024-06-06

'Fat-Shattering Dimension of k-fold Aggregations', by Idan Attias, Aryeh Kontorovich.

jmlr.org/papers/v25/21-1193.ht

#aggregations #aggregation #aggregate

2024-04-24

Nanoparticles with Ultrabright Aggregation-Induced Emission for Immunoassays:

Probe uses nanoparticles composed of polystyrene and a near-infrared (NIR) aggregation-induced emission luminogen (AIEgen)

chemistryviews.org/nanoparticl

#chemistry #chemistryviews #chemviews #chemiverse #research #aggregate #nanoparticles

WIST Quotations has moved!WISTquote@zirk.us
2024-04-22

A quotation from Hugo, Victor:

«
The greatest follies, like the stoutest ropes, are often composed of a multitude of strands. Take the cable thread by thread, take separately each petty determining motive, and you can snap them one by one and say, “There’s no more to it than that!” Braid them and twist them together, and what you have is momentous.
»

Full quote, sourcing, notes:
wist.info/hugo-victor/1988/

#quote #quotes #quotation #aggregate #avalanche #blunder #error #mistake #combination

2024-03-22

How Do Organic Radicals Aggregate in Polar Fluorocarbon Solvents?
Aggregates of radicals that form intermolecular hydrogen bonds can accelerate catalysis

chemistryviews.org/how-do-orga

@AggregateOA #chemistry #chemistryviews #chemviews #chemiverse #research #aggregate #organicchemistry

2024-03-15

Пиррова победа Domain-Driven Design

TL;DR: DDD неизбежно ведёт к избыточному (на порядки больше минимально необходимого) количеству саг в проекте, которые, в свою очередь, неизбежно ведут к нарушению целостности данных в БД. DDD вполне успешно решает поставленную задачу: дать разработчикам инструменты, которые позволят им справится (корректно реализовать и поддерживать) со сложной предметной областью. Но эта победа оказалась пирровой: инструменты, обеспечивающие корректность данных в памяти , оказались неспособны гарантировать корректность данных в БД . А что толку от изначально корректных данных в памяти, если со временем (после их сохранения в БД и последующего чтения) они перестают быть корректными? По сути, у DDD есть фатальный недостаток: DDD неизбежно приводит к нарушению целостности данных (инварианта бизнес-логики) в БД .

habr.com/ru/articles/800385/

#DDD #DomainDriven_Design #eventual_consistency #aggregate #saga #агрегат #сага

2024-02-09

Welche Möglichkeiten gibt es, von Websuchen RSS-Feeds generieren zu lassen?

Bing hat(te?) grds. so eine Funktion.
(Bei mir scheint das nur noch bei den Suchen unter "News / Nachrichten" zu funktionieren, nicht mehr bei den klassischen Suchen.)

Andere Suchmaschinen? Selbstgehostete Metasuchmaschinen?

#rss #suche #search #metasearch #aggregate #selfhosting

JCONjcon
2023-12-20

We just published a new 🎥 of WORLD ONLINE 2023!
Watch Sara Pellegrini & Milan Savić talking about 'The Aggregate is dead. Long live the Aggregate!'

's definition of may seem somewhat confusing - "An aggregate …

Watch it now: youtu.be/-x0OkDfa4ek

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