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Van Lindberg is a software engineer and practicing attorney. What he does most, though, is translate - from "lawyer" to "engineer" and back. He likes working with both computer code and legal code to get things done. Van's current work touches both traditional intellectual property and the emerging field of open source…

Shashank Tiwari is a Managing Partner & CTO at Treasury of Ideas, a technology driven innovation and value optimization company.

Rick Copeland is a senior software engineer with retail analytics firm Predictix, LLC, where he uses SQLAlchemy extensively, primarily for web application development. He has been using Python full-time for development since 2005, in projects as diverse as demand forecasting, business web applications, compilers, and hardware synthesis.

Noah Gift is the co-author of Python For Unix and Linux by O'Reilly. He is an author, speaker, consultant, and community leader, writing for publications such as IBM Developerworks, Red Hat Magazine, O'Reilly, and MacTech, and Manning.

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Python Answers

O'Reilly Answers: Clever Hacks. Creative Ideas. Innovative Solutions.

• How to Find Similar Users with Python
• Perl and Python manipulation of Excel files ( and Numbers too)
• Does anyone have or know any good Twitter Trends scraping tools? Preferrably Perl or Python...
• How to Strip Invalid Characters from Filenames
• Reacting to Wave Conversations and Inserting Wave Gadgets with a Wave Robot
• Why use built-in types in Python?
• How to Match IPv4 Addresses with Regular Expressions
• How to validate URLs with regular expressions
• How to manipulate numbers with thousand separators using regular expressions

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Python News & Commentary

PyMOTW: cgitb - Detailed traceback reports

By Doug Hellmann
January 30, 2010

cgitb was originally designed for showing errors and debugging information in web applications. It was later updated to include plain-text output as well, but unfortunately wasn't renamed. This has lead to obscurity and the module is not used as often as it should be. Nonetheless, cgitb is a valuable debugging tool in the standard library.

Four short links: 1 January 2010

By Nat Torkington
January 1, 2010

Measuring Type -- clever way to measure which font uses more ink. Vowpal Wabbit -- fast learning software from Yahoo! Research and Hunch. Code available in git. (via zecharia on Delicious) Literature Review on Indexing Time-Series Data -- a graduate student's research work included this literature review of papers on indexing time-series data. (via jpatanooga on Delicious) igraph --...

Four short links: 29 December 2009

By Nat Torkington
December 29, 2009

Turning The Page Online -- historic science books in high-resolution online. Hookes Micrografia was the first view of the microscopic world, and his astonishingly detailed and beautiful illustrations are there to view and print. Detailed Psychology of Trolls -- You might be surprised to learn that Trolls readily engage in long debates with fellow Trolls - people, that is,...

Four short links: 8 December 2009

By Nat Torkington
December 8, 2009

Python's Moratorium -- Python language designers have declared a moratorium on enhancement proposals (feature requests) while the world's Python programmers get used to the last batch of New And Shiny they shipped. I'm reasonably sure that the ALGOL designers went through exactly the same discussions, and I know Perl did too. So, don’t be afraid of it - don’t...

PyCon 2010 Invited Speakers

By Doug Hellmann
December 6, 2009

The list of invited speakers for PyCon 2010 has been announced, and I'm looking forward to seeing all of them.

PyMOTW: sys, Part 6: Low-level Thread Support

By Doug Hellmann
November 15, 2009

sys includes low-level functions for controlling and debugging thread behavior.

PyMOTW: sys, Part 5: Tracing Your Program As It Runs

By Doug Hellmann
November 8, 2009

There are two ways to inject code to watch your Python program run: tracing and profiling. They are similar, but intended for different purposes and so have different constraints. The easiest, but least efficient, way to monitor your program is through a trace hook, which can be used for writing a debugger, code coverage monitoring, or many other purposes.

Announcing O'Reilly Answers - Clever Hacks. Creative Ideas. Innovative Solutions.

By Allen Noren
November 4, 2009

We're launching the beta of O'Reilly Answers, and I'm inviting you to be part of it. In brief, 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). O'Reilly is at the center of an amazing exchange of knowledge sharing and idea generation, and we want you to join us in changing the world by spreading the knowledge of innovators.

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