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Cash Is King: Flows, Balances, and Buffer Days
See how our clients and partners—from small business owners to workforce training leaders—work with JPMorganChase to drive meaningful impact and economic growth where they live and work.
New
The latest blog posts to take off on Hacker News. 269 posts.
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PostgreSQL Schema Design
The Postgres database is rich with features well beyond that of any other
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Log-log plot of new vs. total Covid-19 cases by country
Visualizing the exponential growth of COVID-19 across the world.
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The New York Times Releases Its Dataset of U.S. Confirmed Coronavirus Cases
Today, The New York Times has made one of the most comprehensive datasets of coronavirus cases in the United States publicly available in response to requests from researchers, scientists…
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How Netflix uses Druid for realtime insights
By Ben Sykes
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AWS, Azure, and GCP respond to cloud report
Key learnings about how to get the best performance from GCP, AWS, and Azure based on original research and conversations with the big three.
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Thinking Psycopg3
Sponsoring this project will help achieve swift completion and ensure the maintenance of psycopg2, psycopg3 and other related projects.
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FreeNAS and TrueNAS Are Unifying
FreeNAS and TrueNAS have been separate-but-related members of the #1 Open Source storage software family since 2012.
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Millions of Tiny Databases
Millions of tiny databases, Brooker et al., NSDI’20 This paper is a real joy to read. It takes you through the thinking processes and engineering practices behind the design of a key part of …
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Visual Introduction to Self Supervised Learning
A visual introduction to self-supervised learning methods for visual representations.
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CouchDB 3.0
Dear community, Apache CouchDB® 3.0.0 has been released and is available for download. Apache CouchDB® lets you access your data where you need it. The Couch Replication Protocol is implemented in …
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Loading NumPy arrays from disk: mmap() vs. Zarr/HDF5
Learn how to load larger-than-memory NumPy arrays from disk using either mmap() (using numpy.memmap), or the very similar Zarr and HDF5 file formats.
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Prepared statements and their surprising performance implications
Or: How To Increase Your Elixir/Postgres Performance 20x With One Weird Trick
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Holes in Bayesian Statistics
Every philosophy has holes, and it is the responsibility of proponents of a philosophy to point out these problems. Here are a few holes in Bayesian data analysis: (1) the usual rules of conditional probability fail in the quantum realm, (2) flat or weak priors lead to terrible inferences about things we care about…
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Domain Logic and SQL (2003)
A long-form article entitled: "Domain Logic and SQL"
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Materialize: A Streaming Data Warehouse
Materialize offers a streaming data warehouse for real-time analytics & interoperability with millisecond latency, revolutionizing data handling.
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Three Types of Data
In my work I’ve developed a mental framework related to data modeling, which has helped greatly both when coming up with a model and when making decisions down the road about how to use that model. Here I will establish three different categories of data in software: Constants, State, and Cached Values. By “data” I…
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DBLog: A Change-Data-Capture Framework
Andreas Andreakis, Ioannis Papapanagiotou