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An Introduction to Genetic Algorithms in Python

By adfm : 17 March 2010 - 10:40 AM
Do you have a problem that could be solved by iterative optimization? With this excerpt from Programming Collective Intelligence, Toby Segaran explores the use of genetic algorithms to solve such prob...
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Open source tools for mid-sized websites?

Asked by DaveEveritt : 20 February 2010 - 02:41 AM

Answered by adfm : Mar 10 2010 12:05 PM
Deployment and maintenance can be a major time suck. It seems like you already have a good idea of what's out there, but are looking for a path to the next level. I would suggest finding a decent ... full answer >
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How to use an NLTK part-of-speech tagger

By adfm : 17 February 2010 - 02:05 PM
Tagging follows tokenization in the typical natural language processing pipeline. In this excerpt from Natural Language Processing with Python the authors introduce a part-of-speech tagger. The exampl...
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Handling HL7 v3 using Python or PHP

Asked by donfox : 16 February 2010 - 02:34 PM

Answered by paulbarry : Feb 19 2010 01:22 PM
My understanding is that HL7 v3.0 is XML-based, so you could start with a simple XML parser and see how you get on? Here is one for Python 3 that claims to be easy to use. It's as good a start a... full answer >
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How to build a simple web crawler

By adfm : 16 February 2010 - 12:34 PM
If you're creating a search engine you'll need a way to collect documents. In this excerpt from Tony Segaran's Programming Collective Intelligence the author shows you how to set up a simple web crawl...
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How to Find Similar Users with Python

By adfm : 08 February 2010 - 06:00 PM
Collaborative filtering techniques enable online retailers to recommend products, services, and media for the majority of commercial websites you visit daily. When you purchase something at Amazon....
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Perl and Python manipulation of Excel files ( and Numbers too)

Asked by donfox : 31 January 2010 - 06:03 PM

Answered by adfm : Feb 05 2010 10:50 AM
If you are interested in comparing how others have accomplished manipulating an Excel spreadsheet using each language, then I would refer you to this article about reading and writing Excel files with... full answer >
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How to remove duplicate lines with regular expressions

By StevenLevithan : 30 October 2009 - 08:35 AM
There is a variety of software (including the Unix command-line utility uniq and Windows PowerShell cmdlet Get-Unique) that can help you remove duplicate lines in a file or ...
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Why use built-in types in Python?

By juliesteele : 02 October 2009 - 09:07 AM
If you've used lower-level languages such as C or C++, you know that much of your work centers on implementing objects—also known as data structures—to represent the components in your applica...
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- Python
- types
- objects
- C
- C++
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How to Match IPv4 Addresses with Regular Expressions

By Jan Goyvaerts : 30 September 2009 - 01:11 PM
If you want to check whether a certain string represents a valid IPv4 address in 255.255.255.255 notation, try one of these examples from Regular Expressions Cookbook: Simple regex to check fo...
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