In today’s post: C# 7.3 introduces new generic constraints; Visual Studio 2019 v16.1 has been released; The true cost of multitasking isn’t what you think; An oral history of the hamburger icon; and, sometimes Select() really is broken.

Sharpen the Saw used to be an email newsletter of information I published for the professional development of software developers. Now it’s a series of blog posts. While targeted primarily at developers working with the Microsoft technology stack, content covers a wider range of topics.

Technique

Dissecting new generics constraints in C# 7.3

The latest minor language update of C# includes new kinds of generic constraint: unmanaged, Enum and Delegate. None of these are going to revolutionise the way we write code, but they’re certainly useful.

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Software

Visual Studio 2019 version 16.1

For a minor point release, the new version of Visual Studio 2019 has a surprising number of new features. My favourites include Intellicode (a turbo charged version of Intellisense that’s driven by machine learning) and some significant performance improvements.

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Being Professional

The True Cost of Multitasking Isn’t Productivity—It’s Mental Health

Conventional wisdom says that attempting to multitask has a major detrimental effect on productivity. It turns out that the issue is more complicated - in some cases, multitasking can be a productive approach. But, there’s a surprising cost.

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Wildcard

An oral history of the hamburger icon (from the people who were there)

Have you ever wondered where the hamburger icon originated? Ubiquitous on modern smartphones, it turns out this particular icon has a much longer history than you might expect.

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Video

When Select() is Broken

Common wisdom in IT is that “Select() isn’t broken” - if you aren’t getting the results you expect, you can be virtually certain that the problem is in your code, not in the rest of the system.

Sometimes, however, the system really is broken … In this presentation, Oren Eini talks about some examples found during the development of RavenDB.

Length: 1h 10m
Audience: Experienced Developers

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