The latest blog posts to take off on Hacker News. 269 posts.
This is a major milestone. After almost 2 years of development, version 2.0 of VisiData is finally released. It's got several major improvements, a bunch of new loaders, and tons of new features and quality of life improvements. And, most importantly, an API specification for plugins.
How we leveraged a textbook data structure in our core platform and achieved a 15x speed up for a key data processing step.
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.
A short story about SQL's better rival: Michael Stonebraker's storied query language, QUEL.
The feature store is a data warehouse of features for machine learning (ML)....
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.
From zero to gradient boosted decision trees
Documenting the reasons why I tend to prefer Postgres - even when it's my friends getting bitten.
An overview of some of the reasons Snowflake is trading at 150x its revenue.
APFS adds 6 volume roles, including one which supports Time Machine backups. And per-file encryption is coming.
I saw Martin Kleppmann’s talk a few weeks ago about his approach to realtime editing with CRDTs, and I felt a deep sense of despair. Maybe all the work I’ve been doing for the past decade won’t be part of the future after all, because Martin’s
The PostgreSQL Global Development Group today announced the release of [PostgreSQL 13](https://www.postgresql.org/docs/13/release-13.html), the latest version of the world’s [most advanced …
Introduction to managing DB shcema changes with Liquibase
Learn about smaller indexes with B-Tree Deduplication, Extended Statistics Improvements, Parallel VACUUM, improved WAL Usage Stats in Postgres 13, and more.
Today we’re introducing Pebble, a RocksDB-inspired and RocksDB compatible key-value store written in Go that brings greater stability to CockroachDB.
PostgreSQL 13 development is coming along nicely, Postgres 13 Beta3 was released on 8/13/2020 . The Postgres Beta 1 and 2 releases were released in May and June 2020. One of the features that has my interest in Postgres 13 is the B-Tree deduplication effort. B-Tree indexes are the default indexing method in Postgres…
The report covers 2020 trends in political violence and demonstrations in the US, focusing on the BLM movement.
Choosing good colors for your charts is hard. This article tries to make it easier.
By partnering with Google, DeepMind is able to bring the benefits of AI to billions of people all over the world. From reuniting a speech-impaired user with his original voice, to helping users discover personalised apps, we can apply breakthrough research to immediate real-world problems at a Google scale. Today…
I watched the talk " Platform as a Reflection of Values: Joyent, Node.js and beyond " by Bryan Cantrill, and I think he was able to put into words something I already felt for some time: if there’s no piece of software out there that reflects your values, it’s time for you to build that softwarefootnote:talk-time[ At…
What log scales tell us.
Analysis of electric vehicle battery health of 22K+ EVs reveals a 2.3% average battery degradation rate. High-power DC fast charging is the top risk factor.
