The latest blog posts to take off on Hacker News. 1,888 posts.
R, the free and open source program for statistical computing, poses a substantial threat to the reproducibility of published research. This post explains the problem and introduces a solution. The…
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What do I actually do with my time? How productive am I? I logged everything I did in 2020 and got some pretty cool data out of this.
I spent 3 years as an analyst in the reinsurance industry. During this time, I witnessed firsthand how Python is driving rapid technological change. (Goodbye, Excel!)
The views expressed in this newsletter are solely my own, and do not represent the views of my employer.
And that one article that said they did was silly and bad
Common problems in financial recon, for fintechs, particularly those building deposit products and managing their own ledger.
Continuing this week’s “making an article so I don’t have to keep typing it” ZFS series… here’s why you should stop using RAIDZ, and start using mirror vdevs instead.
I am an economist at the Federal Trade Commission with a very basic statistics question, one that I have put to several fairly high-powered econometricians, and to which no one has had a satisfying answer.
Databases are fabulous resources. Of course, we’ll abuse them in ways that cause challenges.
Download faa-wildlife-strikes.csv , a dataset of all aircraft-wildlife collisions reported to the Federal Aviation Administration between 2010 and mid-2016.
This blog post uses MathJax to render mathematics. You need JavaScript enabled for MathJax to work.
Databases shed important RDMS features as they get big. Examining why this tends to be the case, and some ideas for preventing it.
Postgres(hereinafter mentioned as PG) is a pretty cool database with lots of nice features, one of them little known ones is the ability of having Foreign data wrappers (hereinafter mentioned as FDWs). Clickhouse(hereinafter mentioned as CH) is another amazing database with an altogether different set of features…
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The least you need to know about Postgres
I gave a talk yesterday about personal data warehouses for GitHub’s OCTO Speaker Series, focusing on my Datasette and Dogsheep projects. The video of the talk is now available, and …
In this article I discuss a general process I used recently to migrate a large multi-terabyte Heroku Postgres Database from the Heroku Platform to Amazon Aurora Postgres on a live Heroku based application architecture with near zero downtime and builtin failover during the process.
CQRS (Command Query Responsibility Segregation) is the notion that you can use a different model to update information than the model you use to read information
The 2020 US election is finally over, and all the election excitement of the last week reminded me of something I had been meaning to look into: Sergey Shpilkin’s data visualizations that cle…
Late last year I released posuto, a package presenting Japanese postal code data in an easy-to-use format. It's based on data released by Japan Post, which is infamous for being widely used but hard to parse.
Modern marketing is all about data and however hard you might try, you can't spend any time around marketers online without being subjected to endless
We’ve been writing a bit about some odd tail behavior in the Fivethirtyeight election forecast, for example that it was giving Joe Biden a 3% chance of winning Alabama (which seemed high), it was displaying Trump winning California as in “the range of scenarios our model thinks is possible” (which didn’t seem right)…
I’ve come to the conclusion that, for me, ORMs are more detriment than benefit. In short, they can be used to nicely augment working with SQL in a program, but they should not replace it.
Why TOAST is the best thing since sliced bread
A look into how Python is used to bring your favorite movies to the big screen.
I plan to write a series of articles to discuss some simple but not embarrassingly parallel algorithms. These will have practical usages and would most likely be on many-core CPUs or CUDA GPUs. Today’s is the first one to discuss a parallel algorithm implementation for CSV file parser.
This blog is about my work on the Postgres open source database, and is published on Planet PostgreSQL. PgLife allows monitoring of all Postgres community activity.
The Personal blog and musings of Chris Penner, a designer, developer and future opsimath.
