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How to beat the CAP theorem
The CAP theorem states a database cannot guarantee consistency, availability, and partition-tolera...
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The latest blog posts to take off on Hacker News. 1,888 posts.
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Anonymous Correctly Predict The De-listing $1B Company
" Anonymous " has a new project called Anonymous Analytics , which recently predicted that a Hong Kong company, Chaoda Modern Agriculture h...
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ORM is an anti-pattern
ORM looks great early in a project but breaks down as complexity grows, forcing you to learn SQL anyway. Relations aren't objects. Either use NoSQL for object-like data or write a model layer with real SQL. ORM's abstraction is leaky, its efficiency poor, and the alternatives are better.
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Now that people are considering NOSQL will more people consider no-DB
A memory image replaces database interactions with in-memory data using event sourcing to record persistent changes
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Think Stats: Probability and Statistics for Programmers
This HTML version of is provided for convenience, but it is not the best format for the book. In particular, some of the symbols are not rendered correctly.
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Protocol Buffers, Avro, Thrift & MessagePack
Perhaps one of the first inescapable observations that a new Google developer ( Noogler ) makes once they dive into the code is that Protocol Buffers (PB) is the "language of data" at Google. Put simply, Protocol Buffers are used for serialization, RPC, and about everything in between .
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NoSQL is What?
I found myself reading NoSQL is a Premature Optimization a few minutes ago and threw up in my mouth a little. That article is so far off base that I’m not even sure where to start, so I guess…
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SQLAlchemy and You
The Django ORM feels so much easier than SQLAlchemy? Maybe this article can change your perception.
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Edward Tufte's "Slopegraphs"
Charlie Park believes in you.
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ORM is an anti-pattern
ORM looks great early in a project but breaks down as complexity grows, forcing you to learn SQL anyway. Relations aren't objects. Either use NoSQL for object-like data or write a model layer with real SQL. ORM's abstraction is leaky, its efficiency poor, and the alternatives are better.
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1 Database Containing 35,000,000 Google Profiles. Implications?
UPDATE 2012-02-16: raver1975 released a SQL database w/35M Google Profiles as .torrent on The Pirate Bay. UPDATE 2011-06-10: Central question in the Google discussion is whether mass-aggregation of profile data…
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MySQL Text vs. Varchar Performance
Starting with MySQL 5.0.3, the maximum field length for VARCHAR fields was increased from 255 characters to 65,535 characters. This is good news, as VARCHAR fields, as opposed to TEXT fields, are stored in-row for the MyISAM storage engine (InnoDB has different characteristics). TEXT and BLOB fields are not stored…
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Visualizing Time with the Infinity Hour Chart
This is another experiment in visualizing 24-hour cyclical data. My last post explored a method of linear representation (the Double Time Bar Chart). Linear representations have problems when it comes to showing the cyclical nature of time data (ie there is no start or end of a 24 hour cycle). Inspiration When trying…
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Machine Learning: A Love Story
The video from my keynote at Strange Loop 2010 is up! You can watch the video here: Machine Learning: A Love Story The original abstract: Machine learning has come a long way in recent years — from…
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Copy-on-write B-tree finally beaten.
Copy-on-write B-tree finally beaten by Andy Twigg, Andrew Byde, Grzegorz Mi?o´s, Tim Moreton, John Wilkesy and Tom Wilkie.
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The Little MongoDB Book available on GitHub
Karl Seguin's Blog - A mix of coding and creative writing
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Hi My Name is John…and I am addicted to analytics
…and I am addicted to analytics. It all started when I was a wee lad. I quite enjoyed playing Tecmo NBA Basketball, among other games. One day, while…
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Accounting for Computer Scientists
Every educated person really ought to have a basic understanding of accounting. Just like maths, science, programming, music, literature, history, etc., it’s one of those things which helps you make sense of the world. Although dealing with money is not much fun, it’s an unavoidable part of life, so you might as well…