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Give me /events, not webhooks
Learn about the challenges of webhooks for service-to-service notifications. And why an `/events` endpoint is often preferable.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 561 posts.
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A Statistical Analysis of All Hacker News Submissions
After downloading all 1,265,114 Hacker News submissions from the official Hacker News API, I gathered a few interesting statistics which show the true impact of Hacker News.
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DataLake
A Data Lake is a store that hold raw data as a source for data scientists to explore ways to gain information. It should not be accessed by end-users or used for system integration.
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AWS Snowmobile – Move Exabytes of Data to the Cloud in Weeks
Moving large amounts of on-premises data to the cloud as part of a migration effort is still more challenging than it should be! Even with high-end connections, moving petabytes or exabytes of film vaults, financial records, satellite imagery, or scientific data across the Internet can take years or decades. On the…
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Three-Valued Logic
Making decision despite missing SQL data (NULL): How to avoid OR…IS NULL in the WHERE clause.
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XKCD Plots in Matplotlib: Going the Whole Way
One of the most consistently popular posts on this blog has been my XKCDify post, where I followed in the footsteps of others to write a little hack for xkcd-style plotting in matplotlib. In it, I mentioned the Sketch Path Filter pull request that would eventually supersede my ugly little hack.
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How Bad Is Your Colormap? (2014)
What this function does is to give you a lumninance-correct grayscale version of any matplotlib colormap. I've found this useful for quickly checking how my plots might appear if printed in black and white, but I think it's probably even more useful for stoking the flame of the internet's general rant against jet .
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Querying Parquet with Precision Using DuckDB
DuckDB, a free and open source analytical data management system, can run SQL queries directly on Parquet files and automatically take advantage of the advanced features of the Parquet format.
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Transactionally Staged Job Drains in Postgres
Building a robust background worker system that leverages transactional isolation to never work a job too early, and transactional durability to never let one drop.
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The "it" in AI models is the dataset
I’ve been at OpenAI for almost a year now. In that time, I’ve trained a lot of generative models. More than anyone really has any right to train. As I’ve spent these hours observing the effects of tweaking various model configurations and h
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Supabase MCP can leak your entire SQL database
Indirect prompt injection through support-ticket data lets an MCP-enabled assistant cross trust boundaries and query private tables with Supabase’s privileged service role.
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Free Postgres databases for small projects
Announcing free Postgres storage on Fly.io.
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A Preview of DuckDB v2.0
DuckDB 2.0 is coming this fall. In this post, we preview its headline features: DuckDB as a server, triggers, the VARIANT type, asynchronous I/O, a new SQL parser, a new storage format, and much more.
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Microsoft acquires Citus Data (YC S11)
Data and analytics are increasingly at the center of digital transformation, with the most leading-edge enterprises leveraging data to drive customer acquisition and satisfaction, long-term strategic planning, and expansion into net new markets. This digital revolution is placing an incredible demand on technology…
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How Discord Stores Billions of Messages (2017)
Discover the latest news and app updates, stories, company insights, and plenty more about Discord, all in one place.
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Accidental database programming
Join me as we take a look at common application data patterns, and how they relate to the inner-workings of databases. In this post, we discuss data caching, indexing, optimistic mutations, and recursive cache invalidation. We will see how life might be easier if we could just use a frontend optimized database like…
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The Anthropic Economic Index
Announcement of the new Anthropic Economic Index and description of the new data on AI use in occupations
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A summary of what quantitative trading firms do
This summary is an attempt to shed some light on modern quantitative trading since there is limited information available for people who are not already in the industry. Hopefully this is useful for students and candidates coming from outside the industry who are looking to understand what it’s like working for a…
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From deep to long learning?
For the last two years , a line of work in our lab has been to increase sequence length. We thought longer sequences would enable a new era of machine learning foundation models: they could learn from longer contexts, multiple media sources, complex demonstrations, and more. All data ready and waiting to be learned…
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How Does Sqlite Work? (2014)
How does SQLite work? Part 1: pages!
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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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Jepsen: NATS 2.12.1
NATS is a popular streaming system. Producers publish messages to streams , and consumers subscribe to those streams, fetching messages from them. Regular NATS streams are allowed to drop messages. However, NATS has a subsystem called JetStream , which uses the Raft consensus algorithm to replicate data among nodes…
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Pg_GraphQL: A GraphQL Extension for PostgreSQL
GraphQL support is in development for PostgreSQL + Supabase.
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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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Excel Never Dies
The Spreadsheet That Launched A Million Companies
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