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Context

Context cancellation: Stop wasting resources on aborted requests

How to handle and send "cancellation signals" using the context package in the standard library.
Choosing between context.Background() and context.TODO()

Some guidance on choosing the right constructor for your context (and one thing you should never do).
Should you store *that value* in a Go context?

Not every value should be stored in a Go context, this article examines why.
Add value to a context in a type safe way

Don't litter your code base with keys and/or type assertions. Add and get values from contexts in a type safe way.
Accurate handler tests using httptest

Learn how to construct accurate test requests and record responses using httptest.

Data structures

Sets in Go

Learn how to create sets using maps. With and without open source packages.

Example Web Application

HTTP

Maps

Maps of functions

Read this article to find out how maps of functions allow your structure your code in a more declarative way.

Slices and Arrays

Strings

String interpolation in Go

Go does not support string interpolation, this article discusses what to use instead.

Structs

Anonymous structs in Go: What, How and When

This article explains anonymous structs for people who are unfamiliar with them.

Testing

Time

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