Blog
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Creating Ruby hashes with “reduce”
In yesterday’s post, I showed how we can use Python’s “reduce” function to create a dictionary. Ruby, of course, also has dictionaries, but calls them “hashes.” In this posting, I’m
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Creating Python dictionaries with “reduce”
In the last few installments (first, second, third, and fourth) of this series, we saw how “reduce” can be used to build up a scalar value (such as a number
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Creating collections with “reduce”
In the first few parts of this series (first, second, and third), I introduced the “reduce” function, and showed how it can be used in a number of ways. However,
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Implementing “min” and “max” with “reduce”
This is the third installment of my “reduce” series of blog posts. For the first, see here, and for the second, see here. If you have been reading this series,
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Calculating Scrabble scores with “reduce”
This is the second installment of my series of blog posts on the “reduce” function/method. For an introduction, see here. I love to play Scrabble — or more commonly nowadays,
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Understanding “reduce” (first in a series)
One of the notable things about MIT’s computer science curriculum, at least back when I was studying there, was that you didn’t learn any “practical” programming languages. Our work was
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If you build it, they will come — but they might hate you
Several months ago, I was teaching an introductory Python course, and I happened to mention the fact that I use Git for all of my version-control needs. I think that
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Good intentions, unexpected results: Mailing lists and DMARC
If there’s anything that software people know, it’s that changing one part of a program can result in a change in a seemingly unrelated part of the program. That’s why
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Announcing: Teaching to Code, a community of programming instructors
In the wake of my last blog post, I’ve been thinking a great deal about the practice of teaching, and specifically the practice of teaching programming. I’ve realized that while