Jul 14

Screen-scraping Greensboro Crime Data

How Safe is Greensboro?
After moving to Greensboro, I got chatting with a friend about crime in the city. Both of us knew that crime is an issue for Greensboro — it has a crime rate on par with the national average — but weren’t sure how that played out in the different neighborhoods.
It turns [...]

Data, programming
Tags: , , ,
Jun 13

Libevent V2 – Ultra Simple Message Queue

As part of my continuing effort to learn libevent2, I wrote a very basic message queueing application: usmq – the Ultra Simple Message Queue.
I’ve posted the code on github in the hope that some libevent code samples might be helpful to others. Please let me know if you have any questions or comments.
usmq on github.

programming
Tags:
Apr 07

Libevent v2 Primer

Introduction
Libevent is a library that lies hidden under the hood of much open-source software. It was developed by Niels Provos and is maintained by him and Nick Mathewson. You’ll find it in memcached, node.js, tor, beanstalkd, gevent and twisted. I’ve installed these applications without ever precisely understanding what the “uses libevent” line in their documentation [...]

programming
Tags: ,
Feb 07

RDBMS Alternatives – Round 2

From our initial list of candidates we narrowed the field down to three: LightCloud, Cassandra, and MongoDB.

Databases
Tags: , , , , ,
Feb 07

RDBMS Alternatives

At Loomia, we recently decided that for improved scalability, we need to move some of our data out of MySQL and into another form of persistent storage better suited for what is mostly key-value data. To that end, we started researching various ‘no sql’ options. Here’s what we found.

Databases
Tags: , , , , , ,