The latest blog posts to take off on Hacker News. 272 posts.
In contrast to the imperative programming paradigm, declarative programming expresses the logic of a computation without explicitly specifying its control flow. That is, declarative programming focuses on the what , not the how . If you have tentatively researched declarative programming before, you have likely read…
Meet Iodide, an experimental open source tool to help scientists write beautiful interactive documents using web technologies, all within a browser-based iterative workflow that will be familiar to many scientists.
中文版 – At AWS, we focus on solving problems for customers. Over the years, customer usage and dependencies on open source technologies have been steadily increasing; this is why we’ve long been committed to open source, and our pace of contributions to open source projects – both our own and others’ – continues to…
This post discusses the benefits of full-stack data science generalists over narrow functional specialists. The later will help you execute and bring process...
RiakAround 2013, Riak was at the forefront of Conflict-Free Replicated Data Type (CRDT) development with the engineers at Basho Technologies working hard to integrate efficient, usable CRDTs from t...
This post shows how to process gigabytes of unstructured data with the Spark framework and using the R language.
Keeping CALM: when distributed consistency is easy Hellerstein & Alvaro, arXiv 2019 The CALM conjecture (and later theorem) was first introduced to the world in a 2010 keynote talk at PODS. Beh…
In 2012, Thomson, Diamond, Weng, et al. published Calvin: Fast Distributed Transactions for Partitioned Database Systems : a transactional protocol optimized for geographic replication. Each Calvin cluster is comprised of multiple replicas , where a replica is a collection of nodes which store a complete copy of the…
Update: the matplotlib pull request has been merged! See This post for a description of the XKCD functionality now built-in to matplotlib!
Our new cat, Snowy, is waking early. She is startled by the noise of jets flying over our house. Can I determine which plane is upsetting her by utilizing open source streaming solutions (Apache Kafka®), KSQL (the streaming SQL engine for Apache Kafka) a…
This is my notes on the paper: Amazon Aurora: Design Considerations for High Throughput Cloud-Native Relational Databases.
It's not beyond possibility to set up MySQL to achieve 100,000 concurrent connections if you balance network config and use thread pools. By Vadim Tkachenko
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
With the latest upgrades to PostgreSQL the fsync failure had been fixed. Avinash Vallarapu takes a look at why this issue might cause problems.
it's faster than other scripting languages, allowing you to have the rapid development of Python/MATLAB/R while producing code that is as fast as C/Fortran
Inspired by a talk in the PostgreSQL devroom at FOSDEM, a post on the usefulness of the pg_stat_statements extension to Postgres and why every Postgres developer should have it in their toolbox. With sections on getting started, and how to extract insights with pg_stat_statements.
A guided walkthrough of how to use the Prophet python library to solve a common forecasting problem.
The why and how of nonnegative matrix factorization Gillis, arXiv 2014 from: ‘Regularization, Optimization, Kernels, and Support Vector Machines.’ Last week we looked at the paper ‘Beyond news cont…
PostgreSQL 11 offers the best OVER clause support among its competitors, true procedures, and improvements in FETCH FIRST and XML.
Red Hat Satellite is a complex offering and we wanted to spend some time talking about the underlying databases that make Satellite work as well as some upcoming changes to this underlying database structure that you should be aware of.
