O'Reilly Answers is a community site for sharing knowledge, asking questions, and providing answers that brings together our customers, authors, editors, conference speakers, and Foo (Friends of O'Reilly). More »
This excerpt from Mining the Social Web applies k-means to the problem of clustering your professional contacts and plots them out in Google Earth. To create a nice visualization of this data you'...
I’d like to introduce one more idea that is often relevant when dealing with business plans and calculations on how to find the optimal price or, alternatively, the optimal inventory level for some ...
A way that simulations can be helpful concerns situations that appear unfamiliar or even paradoxical. Simulations allow us to see how the system behaves and thereby to develop intuition for it.
Supp...
Answered by DarkFlib : Jan 24 2011 04:46 PM
It really depends what you want to do - right tool for the right job and all that... However, PHP with the release of version 5.3 and shortly version 6 has addressed a lot of the shortcomings that hav... full answer >
Answered by paulbarry : Jan 04 2011 03:12 AM
You need to break down your code - bit by bit - to see what's going on, and your use of parens is changing the meaning of this code.
When Python see parens, it evaluates that code first, so:
(&#... full answer >
Five Tips for Python
By Paul Barry, author of Head First Python, publishing Nov. 17 (O'Reilly Media; $49.99 USD).
1. Don't work too hard--let Python do the work for you. When programmer...
Answered by GT_Fish : Sep 30 2010 03:05 PM
I'm guessing that NMFUTPOPS.py is the name of a file containing a python script. You can get python to "process" a file containing a script by running:
python NMFUTPOPS.py
In your mes... full answer >
Data.gov is a tremendous information resource that lists thousands of data sets collected and managed by various Federal agencies. I was interested in seeing which ones were being used the most. Unf...
Introduction
The vast majority of event information on the web is unavailable as structured data. The elmcity project tackles this problem by empowering curators to create syndicated networks of ...