Apple has a suite of instrumentation and tracing tools for performance analysis available as a part of their Xcode tooling set. In this article, we will use Instruments to record and analyze the CPU profile of a Go program. Instruments also provide a large set of macOS-specific t...
I’ve just released SCS, a session management package for Go 1.7+. Its design leverages Go’s new context package to automatically load and save session data via middleware. Importantly, it also provides the security features that you need when using server-side...
Disclaimer: This article is not about a core Go package or tool but gRPC. gRPC provides support for implementing streaming endpoints as well as streaming support in their clients. Bidirectional streaming is useful if you want both server and client to be able to communicate to th...
Regular Expressions are slow, ugly, error-prone, incomprehensible,… Or are they? Find out by learning regexp basics.
This blog aims to fill the gaps in knowledge transmission and provide useful everyday tips about the Go programming language, its packages and tools. I started this blog when she was working on the Go team at Google and an trying my best to keep it alive. About the author I work...
If you are willing to make large scale refactoring in your Go programs, automating the refactoring tasks is more desirable than manual editing. eg is a program that allows you to perform transformations based on template Go files. To install the tool, run the following: $ go get...
Today I saw that the size of my vendor/ folder in Golang project is around 150M. I am using glide there and there are 24 dependencies (it’s a program with multiple data storage connectors, notifications, etc.), so I decided to review it and reduce the amount of 3rd party li...
Only a well-balanced search tree can provide optimal search performance. This article adds automatic balancing to the binary search tree from the previous article.