Category: Ruby
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Another free regexp Q&A webinar!
The last Webinar I did, with Q&A about regular expressions, was great fun — so much, that I’ve decided to do another one. So, if you have questions (big or
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Yes, you can master regular expressions!
Announcing: My new book, “Practice Makes Regexp,” with 50 exercises meant to help you learn and master regular expressions. With explanations and code in Python, Ruby, JavaScript, and PostgreSQL. I
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Shark Tank increased our traffic by 1000x. Here’s how we handled it.
More than five years ago, I started work to with a small company with a simple idea. Rent Like a Champion was founded by alumni of the University of Notre
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Summary of my “reduce” series
I teach Ruby and Python to a lot of people — in formal courses, and in one-on-one pairing sessions, both online and in person. I’ve found that for many people,
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Implementing “filter” with “reduce”, in Ruby and Python
We’re nearly at the end of my tour of the “reduce” function in Ruby and Python. Just as I showed in the previous installment how we can implement the “map”
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Implementing “map” with “reduce”, in Ruby and Python
This is another installment in my “reduce” series of posts, aimed at helping programmers understand this function, with examples in both Ruby and Python. So far, we have seen how
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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 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,