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Stranger in a Strange Land: “Big Data” programmer meets HPC community
I attended the SIAM PP 2014 conference this week, because I'm developing an interest in MPI-style parallel algorithms (also, it was close b...
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The latest blog posts to take off on Hacker News. 184 posts.
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What Unsustainable Growth Looks Like: Herbalife, Groupon, and More
Sometimes growth hides the fact that a business is on the verge of failure. Here's how.
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Web SQL Database: In Memoriam
All signs seem to indicate that Apple will finally ship IndexedDB in Safari 7.1 sometime this year. This means that Safari, the last holdout against IndexedDB,…
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My Thoughts on the Datomic License
I have a greenfield project where the choice of database is open. I have been very interested in Datomic for a couple of years now and figured that I'd try Datomic out for the project. Then I tried to actually download and install it and decided against it... mostly because the value of Datomic does not clearly…
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What's left of NoSQL?
What’s left of NoSQL if they start adding ACID and SQL support?
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Improve developer habits by showing time cost of DB queries
This is the first in a series of posts where I share a quick, easy to implement tip that I’ve found useful in my development career
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Etcd – The Road to 1.0
No single cloud fits all. Explore how we build a more flexible future with hybrid cloud.
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How to Lie with Data Visualization
Three common ways data visualizations can mislead.
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Scaling the Facebook data warehouse to 300 PB
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PredictionIO – open source machine learning for predictive features
PredictionIO is an open source machine learning server for software developers to create predictive features, such as personalization, recommendation and content discovery. Building a production-grade engine to predict users’ preferences ...
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The Idiot's Guide to High Frequency Trading
First, let me say what you read here is going to be wrong in several ways. HFT covers such a wide path of trading that different parties participate or are impacted in different ways. I wanted to put this out there as a starting point . Hopefully the comments will help further educate us all
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Subtly Bad Things Linux May Be Doing To PostgreSQL
In addition to talking about PostgreSQL at LSF/MM and Collab , I also learned a few things about the Linux kernel that I had not known befor...
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Why xkcd-style graphs are important
For most data scientists, a toolkit like scipy/matplotlib or R becomes so familiar that it becomes almost an extension of their own mind. When fleshing out an idea, we will just open up ipython, write a few lines of code, and display the plot on the screen to get …
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MariaDB 10
Best MariaDB ever hits the streets – MariaDB 10 innovations developed with Google, SkySQL & Fusion-IO London, United Kingdom – 31 March 2014 – The MariaDB Foundation, an independent body which promotes the popular open source database MariaDB, today announced the much-anticipated general availability of MariaDB 10…
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WebScaleSQL: A collaboration to build upon the MySQL upstream
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RethinkDB 1.12: simplified map/reduce, ARM port, new caching infrastructure
Today, we’re happy to announce RethinkDB 1.12 ( The Wizard of Oz ). Download it now!
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ASCII Delimited Text – Not CSV or TAB delimited text
ASCII delimited text solves the problems exporting and importing structured text files and is part of the design of the character set. Unfortunately a lot of people and systems use CSV and other pr…
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PostgreSQL: Jsonb has committed
Great news: PostgreSQL introduced jsonb support, which is real data type with binary storage and indexing ! This work is a confluence of two projects - our hstore and json, which were existed in PostgreSQL for years in somewhat incomplete forms - hstore (10 years old!) implements key-value storage…
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Principles of good data analysis
Good, thorough data analysis is difficult. Throughout my work, I've found it useful to follow these principles in order to ensure quality and consistency.