Author Archives: Jesse Liberty

About Jesse Liberty

Jesse Liberty has three decades of experience writing and delivering software projects and is the author of 2 dozen books and a couple dozen online courses. His latest book, Building APIs with .NET will be released early in 2025. Liberty is a Senior SW Engineer for CNH and he was a Senior Technical Evangelist for Microsoft, a Distinguished Software Engineer for AT&T, a VP for Information Services for Citibank and a Software Architect for PBS. He is a Microsoft MVP.

Maddy Leger on Aspire

Maddy is the program manager/ owner of Microsoft’s Aspire. This is new, exciting and powerful. More about Aspire 

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Best of JesseLiberty.com: Bayesian Probability

This from 2009: Yudkowsky poses the following canonical problem: 1% of women at age forty who participate in routine screening have breast cancer. 80% of women with breast cancer will get positive mammographies. 9.6% of women without breast cancer will … Continue reading

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Mastering C# – Pattern Matching

Microsoft has a wonderful tutorial on pattern matching, in which you model a lock (to raise or lower a ship when there would otherwise be a waterfall). They model the two doors and the water level. While their example is … Continue reading

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Modern C# Part 3 – Switch Expressions

I admit it, I’ve struggled with pattern matching. In the next few blog posts I’ll explore this magic, starting today with switch expressions (not to be confused with switch statements).

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Modern C# Part 2 – Accessing via Implicit Index

Until now, if you wanted to access the last item in a list you had to use a slightly cumbersome syntax. C# 13 introduces the “hat” operator (^) where ^1 is the last element in your collection, ^2 is the … Continue reading

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Modern C# – Part 1

This short post will kick off a series covering some of the new features in C#. One small but much requested feature is the ability to use any kind of collection for params. Previously you had to pass in an … Continue reading

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Would this book be of interest to you?

I sense that a lot of us have had trouble keeping up with the rapid growth of C# features. My guess is that most of us fell off the cliff somewhere around C# 7 (we’re up to 13/14). I have … Continue reading

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A Dozen Programmer Utilities

Two years ago, I made a list of my indispensable tools. Here is a quick updated version: Lists are always subjective, but it is helpful, I think, to exchange favorites now and again. Feel free to add yours to the … Continue reading

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Where’d it go?

My cache blew up my site. The good people at GoDaddy fixed me up, but I lost a good bit of the past 12 years of content (through my own stupidity). Never fear, however, all the new stuff is intact. … Continue reading

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API #9 – Tables

An important part of creating APIs is interacting with data storage. While you can use any number of database programs, a common way to store simple data is in data tables. This is particularly useful when you are recording API … Continue reading

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1,000,000 Views!

jesseliberty.com just crossed 1MM views (lifetime). So pleased you’ve stuck with me. See find me in menu to continue the dialog.

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Programming APIs Book

Available now on Amazon or your favorite neighborhood bookstore.

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