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Oracle vs. PostgreSQL: First Glance
We are facing some interesting times at work as we are going to start changing our technology stack in the near future. Most of our Oracle ...
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The latest blog posts to take off on Hacker News. 269 posts.
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Using Neural Networks to Find Answers in Tables
Posted by Thomas Müller, Software Engineer, Google Research Much of the world’s information is stored in the form of tables, which can be found o...
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A synthetic control causal analysis of Musk's tweet on Tesla stock price
a terse analysis of tesla stock prices and how one of elon’s tweets moves them
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Comprehensive Tutorial on Time Series Modelling and Forecasting
In the previous post we have seen how to visualize a time series data. In this post we will discuss how to do a time series modelling using ARMA and ARIMA models. Here AR stands for Auto-Regressive and MA stands for Moving Average
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Jepsen: Dgraph 1.1.1
Dgraph is a graph database which aims to provide scalable, highly-available, and snapshot-isolated transactions over a labeled directed graph, while minimizing network communication for performance. Conceptually, Dgraph stores a set of (entity, attribute, value) triples. Entities (also known as subjects), are compact…
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Guide to Making 3D Maps with Satellite Imagery in R
E ver since I released rayshader to the public, there’s been one question that comes up time and time again: “How do I use rayshader to overlay satellite imagery onto a 3D surface?” And I can see why: 3D maps with real satellite images are super cool, and there are few detailed tutorials out there on how it’s done in…
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SELECT wat FROM sql
Thanks to Nikhil Benesch, Justin Jaffray and several decades of "wouldn't it be nice if..." for contributions.
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Analyzing Analytics (Featuring: The FBI)
Recently while conducting some research, I found myself down the path of Google Analytics ID's as well as other analytics services. I was investigating ways to not only identify varying analytics code in sites, but to correlate them with ot…
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Combining event sourcing and stateful systems
Bridging the gap between stateful and event sourced sub-systems
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Apache Druid vs. Time-Series Databases
Although Druid draws ideas from a number of TSDB concepts, it is designed for a wider range of analytic use cases than those for which a TSDB is usually employed.
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Writing a SQL database from scratch in Go
Writing a SQL database from scratch in Go: 1. SELECT, INSERT, CREATE and a REPL
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I Want Decentralized Version Control for Structured Data
How do I synchronize application data between devices and people? That's the question I was unable to answer when thinking about ideas for new applications I could develop. I wanted the synchronization to be
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Introduction to Hacking PostgreSQL (2007)
Gavin Sherry and I have presented several versions of a tutorial introduction on how to modify the PostgreSQL source code. The original version was given at the PostgreSQL Anniversary Summit in June of 2006. Gavin has since given a revised version of the talk (at LCA 2007), as have I (at PgCon 2007).
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You probably don't need PostGIS
PostGIS is a fantastic, battle-tested suite of GIS extensions for Postgres. It handles most aspects of it, and is widely used, for example in OpenStreetMap’s Mapnik. But for your project, it’s most likely overkill. In a Q and A fashion, let’s discuss reasons for (not) using it.
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Rules for Data Modeling with DynamoDB
Explore the latest updates from Caylent, including industry trends, expert insights, company news, and more.
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Data Science: Reality Doesn't Meet Expectations
OLXTOTO adalah situs menyediakan link alternatif untuk login tanpa hambatan yang di rancang agar pemain bermain lebih stabil dan optimal apabila domain utama mengalamin kendala. Nike Hat Size 6 1/2 6 5/8 6 3/4 6 7/8 7 7 1/8 7 1/4 7 3/8 7 1/2 7 5/8 7 3/4 Head Size (CM) 52 53 54 55 56 57 58 59 60 61 62 Alpha Size - - XS…
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A humble guide to database schema design
Having a good database schema design is crucial for building applications that will need to scale in traffic and complexity. If you happen to do a bad design choice you will see that it takes a lot of effort to stop the pattern from propagating to your backends’ services and controllers, and finally to your frontend.
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Using SIMD to aggregate billions of values per second
How SIMD instructions make aggregations faster in QuestDB, including benchmark results and a comparison with Postgres.
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Illustrated FixMatch for semi-supervised learning
Learn how to leverage unlabeled data using FixMatch for semi-supervised learning
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PostgreSQL is the worlds’ best database
Experience zero data sprawl with EDB Postgres AI. Capable of handling 30B+ trades a day and managing 50 TB.
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CNCF's Cortex v1.0: scalable, fast Prometheus implementation
Grafana is an open source visualization and dashboarding technology that allows you to explore your metrics, logs, and traces no matter where the data is.
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Simdjson 0.3: Faster JSON parser
Last year (2019), we released the simjson library. It is a C++ library available under a liberal license (Apache) that can parse JSON documents very fast. How fast? We reach and exceed 3 gigabytes per second in many instances. It can also parse millions of small JSON documents per second. The new version is much ……
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Prisma 2.0 Beta: Type-safe Database Access
Prisma 2 Beta introduced type-safe database access with Prisma Client, updated docs, and a clearer path toward production readiness.
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Dolt is Git for data
Blog for DoltHub, a website hosting databases made with Dolt, an open-source version-controlled SQL database with Git-like semantics.
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Problems with Japan's Covid-19 reports
The Japanese government seems incapable of getting their act together so that they can provide meaningful data to the public.