Blog
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Free Webinar on June 23rd: Introduction to Regular Expressions
If you’re a programmer, then you have likely heard about regular expressions (“regexps”) before. However, it’s also likely that you have tried to learn them, and have found them to
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New ebook: Jewish guide to visiting China
As many people know, I’ve visited China seven times over the last three years, traveling there to give courses in Python and Ruby. I just got back from my most
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Free one-hour Webinar about Python’s magic methods on May 6th
I’ll be giving another free one-hour Webinar about Python — this time, about the magic methods that Python offers developers who want to change the ways in which their objects
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Is it hashable? Fun and games with hashing in Python
One of the basic data types that Python developers learn to use, and to appreciate, is the dictionary, or “dict.” This is the Python term for what other languages call
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Free Webinar in object-oriented Python on April 1st, 2015
Join me for an hour-long free Webinar about object-oriented Python on April 1st, 2015. I’ll discuss how to use and create classes in Python, how attributes form the core of
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How not to write an error message
Users and programmers see error messages very differently. When a user sees an error message, they think, “Oh, no. Something went wrong.” Rarely, in my experience, does the user think
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A quick introduction to implementing Python iterators
When you put a piece of Python data into a “for” loop, the loop doesn’t execute on the data itself. Rather, it executes on the data’s “iterator.” An iterator is
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If you don’t use “with”, when does Python close files? The answer is: It depends.
One of the first things that Python programmers learn is that you can easily read through the contents of an open file by iterating over it: f = open(‘/etc/passwd’) for
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My latest side project: DailyTechVideo.com, posting new conference videos every day
If you’re like me, you love to learn. And in our industry, a primary way of learning involves attending conferences. However, if you’re like me, you never have the time
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All 50 exercises in “Practice Makes Python” are complete! (Plus, a sample exercise about taxes in Freedonia)
The latest draft of “Practice Makes Python,” my ebook intended to sharpen your Python programming skills, is now out. This draft includes all 50 exercises, solutions, and explanations that I