Finally! A Hadoop Hello World that isnt a Lame Word Count!
So I got bored of the old WordCount Hello World, and being a fairly mathy person, I decided to make my own Hello World in which I coaxed Hadoop…
The Anatomy of a DisMax Query
While debugging the functionality of a new query parser, I had the poor fortune rare opportunity to dig deep into Solrs search scoring code. I ended up learning a…
Lucene 4 Finite State Automata in 10 minutes (Intro & Tutorial)
\n \n Sample Automaton\n \n \n\n This article is intended to help you bootstrap your ability to work with Finite State Automata (note automata == plural of automaton). Automata…
Indexing StackOverflow in Solr
One thing I really like about Solr is that its super easy to get started. You just download solr, fire it up, and then after following the 10 minute…
Building Suggest-As-You-Type with Carrot2 Clustering
The first interaction that a customer has with your e-commerce web site is with the search box itself. So it is of utmost importance to make the user experience…
Using Solr Join to find the best time to ask questions on StackOverflow
So lets say that you have an important tech question that simply must be answered: “What’s the difference between JavaScript and Java?” Normally you would post it on StackOverflow…
Convenient Solr Feature: Facet over the same field multiple times with different filters
Did you know that you can facet over the same field more than once? Did you know that you can rename the facet field? Did you know that you…
Escaping Solr Query Characters in Python
I’ve been working in some Python Solr client code. One area where bugs have cropped up is in query terms that need to be escaped before passing to Solr….
Backing up Virtual Machines in VirtualBox
And now to the fun subject of virtual machine images! My computer blue screened the other day. So I got fairly paranoid. This is the second time in a…
Real-time Doctest Checking In Vim
Vim is a terrific editor. The one thing that kills me though is “the cycle”–the cycle of going from Vim to the console to try out what I just…
Making Ubuntu 12.04 not crawl in Virtualbox
So I’ve got a new hooptie laptop (a pimped out Sager NP9170). Since I’m pretty much changing everything about my career, I thought I’d stick to one thing staying…
Switching Jobs – Damn The Torpedoes
Hi! Im Doug Turnbull, the new guy. Im really excited to be joining Open Source Connections. Ive been seeing first hand how capable my new colleagues are and am…