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Notes on Analytics and Tracking in Onavo Protect for iOS
Recent media coverage of Onavo Protect encouraged me to investigate the code for the iOS version of their app. I wanted to determine what…
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The latest blog posts to take off on Hacker News. 4,224 posts.
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The metrics behind Spotify’s IPO
Spotify's direct listing IPO filing reveals how monthly churn fell from 7.7% to 5.5% as personalization and family plans drove subscriber retention at scale.
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A new storage engine for PostgreSQL to provide better control over bloat
In the past few years, PostgreSQL has advanced a lot in terms of features, performance, and scalability for many-core systems. However, o...
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Google-Landmarks: A New Dataset and Challenge for Landmark Recognition
Posted by André Araujo and Tobias Weyand, Software Engineers, Google ResearchImage classification technology has shown remarkable improvement over ...
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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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Announcing Google Cloud Spanner as a Vault Storage Back End
By using Cloud Spanner as a storage backend for HashiCorp Vault, you get all the benefits of a traditional relational database, the scalability of a globally-distributed data store, and the availability of a fully managed service.
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CockroachDB Interactive, D3-Powered Simulations
An interactive demo (using D3) of CockroachDB. Watch as CockroachDB evolves with your application, from proof-of-concept, to multi-node cluster, to international deployment.
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Serverless Databases: The Future of Event-Driven Architecture
Serverless Database is specially designed for the workloads which are unpredictable & can change rapidly. Click to know everything about Serverless Database.
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Performance Benchmark 2018 – MongoDB, PostgreSQL, OrientDB, Neo4j and ArangoDB
The only enterprise AI data platform that cuts complexity, reduces costs, and gets you to production faster.
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PostgreSQL 10.2 Released
The PostgreSQL Global Development Group has released an update to all supported versions of our database system, including 10.2, 9.6.7, …
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Pivot – Rows to Columns
Pivot SQL tables with CASE or FILTER. Turn rows into columns for the entity-attribute-value model (EAV).
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Backblaze Hard Drive Stats for 2017
Since 2013, Backblaze has been showcasing daily statistics from our hard drives. Find out how our drives have been doing throughout 2017 with this blog post.
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Do or undo – there is no VACUUM
What if PostgreSQL didn’t need VACUUM at all? This seems hard to imagine. After all, PostgreSQL uses multi-version concurrency control (MVC...
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Postgres indexes under the hood
Many software engineers use database indexes every day, but few of us really understand how they work. In this post I’ll explain: How indexing works in Postgres using B-Trees What B-Trees are Why they are a good fit for this problem Indexes in Postgres Postgres actually offers 4 different kinds of indexes for…
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Timescale raises $16M from Benchmark, NEA, Two Sigma Ventures
Humanity is now living with machines and swimming in machine data. Timescale just raised $16M to help developers, businesses, and society make sense of it all.
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Experiences with running PostgreSQL on Kubernetes
An interview covering our experience running PostgreSQL on on-premises Kubernetes: challenges, open source and commercial tools, and alternatives for stateful apps.
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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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PostgreSQL 10: Partitions of partitions
PostgreSQL version 10 brings a much anticipated feature: (Native) Table Partitioning .