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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,223 posts.
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NumPy Exercises for Data Analysis in Python
The goal of the numpy exercises is to serve as a reference as well as to get you to apply numpy beyond the basics. The questions are of 4 levels of difficulties with L1 being the easiest to L4 being the hardest.
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Command-line tools can be faster than a Hadoop cluster (2014)
Adam Drake is an advisor to scale-up tech companies. He writes about ML/AI/data, leadership, and building tech teams.
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DuckDB 2.0.0 LTS “Cinnamon Teal”
The DuckDB team is happy to announce that today we're releasing DuckDB version 2.0.0 LTS, codenamed “Cinnamon Teal” (Spatula cyanoptera). This is our biggest feature release so far, and it ships a polished version of the Quack protocol, asynchronous I/O, a first-class VARIANT type, agent mode, triggers, an extensible…
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Zq: An easier and faster alternative to jq
Take an in-depth look at the different computational models of zq and jq.
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Data Science: Reality Doesn't Meet Expectations
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Make the “semantic web” web 3.0 again – with the help of SQLite
Before the term was hijacked by crypto-grifters (and, admittedly, a few genuinely neat projects), web 3 (point oh) referred to Tim Berners-Lee's project to promote a standard way to expose and parse metadata on the web. It never took off. In this piece, I'll argue that a breakthrough idea introduced last year by HN…
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Consistency LLM: converting LLMs to parallel decoders accelerates inference 3.5x
TL;DR: LLMs have been traditionally regarded as sequential decoders, decoding one token after another. In this blog, we show pretrained LLMs can be easily taught to operate as efficient parallel decoders. We introduce Consistency Large Language Models (CLLMs), a new family of parallel decoders capable of reducing…
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Creating a Modern OCR Pipeline Using Computer Vision and Deep Learning
Dash knows your context, your team, and your work, so your team can stay organized, easily find and share knowledge, and keep projects secure, all from one place.
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A picture got my PostgreSQL database to start mining Monero
A Deep Dive into Database Attacks [Part III]: Why Scarlett Johansson’s Picture Got My Postgres Database to Start Mining Monero
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How to build a IP geolocation database from scratch?
Download a free IPv4 and IPv6 geolocation database (CSV, CC BY-SA 4.0), or the commercial one with full coverage in CSV and MMDB, updated at least twice a week.
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Xor Filters: Faster and Smaller Than Bloom Filters
In software, you frequently need to check whether some objects is in a set. For example, you might have a list of forbidden Web addresses. As someone enters a new Web address, you may want to check whether it is part of your black list. Or maybe you have a large list of already used … Continue reading Xor Filters…
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Using Metadata to Find Paul Revere
London, 1772. I have been asked by my superiors to give a brief demonstration of the surprising effectiveness of even the simplest techniques of the new-fangled Social Networke Analysis in the pursuit of those who would seek to undermine the liberty enjoyed by His Majesty’s subjects. This is in connection with the…
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An early look at Postgres 14: Performance and monitoring Improvements
We take a look at whats new in Postgres 14, with idle and active connection scaling, memory monitoring, query IDs and more
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The semantic web is now widely adopted
Web 3.0 was not about the blockchain, thank god
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Redis explained
A deep technical dive into all things Redis. Covering various Redis topologies, data persistence and process forking.
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Mini NASes marry NVMe to Intel's efficient chip
I'm in the process of rebuilding my homelab from the ground up, moving from a 24U full-size 4-post rack to a mini rack. One of the most difficult devices to downsize (especially economically) is a NAS. But as my needs have changed, I'm bucking the trend of all datahoarders and I need less storage than the 120 TB (80…
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OpenZFS deduplication is good now and you shouldn't use it
OpenZFS 2.3.0 will be released any day now, and it includes the new “Fast Dedup” feature. My team at Klara spent many months in 2023 and 2024 working on it, and we reckon it’s pretty good, a huge step up from the old dedup as well as being a solid base for further improvements. I’ve been watching various forums and…
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Litestream: Revamped
Bringing in what we learned from LiteFS
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ggsql: A Grammar of Graphics for SQL
Introducing ggsql, a grammar of graphics for SQL that lets you describe visualizations directly inside SQL queries.
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PostgreSQL for Everything
You need simplicity if you want to move fast. PostgreSQL can very well replace Kafka, Redis, Clickhouse and Elastic. And many successful companies are doing exactly that. Let's check out how.
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Meilisearch 1.0 – Open-source search engine built in Rust
Meilisearch launches the first completely stable, forward-compatible, and enterprise-ready version of its highly performant open-source search engine.
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Backblaze Hard Drive Stats for 2018
This review looks at the hard drive failure rates by make and model for 100,000+ disk drives in operation in our data centers.
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My Favorite PostgreSQL Queries and Why They Matter
In today's data-driven world, data is valuable. Extracting insight, answering questions, and meaningful metrics from data by way of querying and data manipulation is an integral component of SQL in general. This blog presents a combination of 8 interesting, differing PostgreSQL queries or types of queries to explore…
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New health insurance “transparency data” looks suspiciously wrong
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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What if OpenDocument used SQLite? (2014)
Suppose the OpenDocument file format, and specifically the "ODP" OpenDocument Presentation format, were built around SQLite. Benefits would include: