Golang News, Tutorials, Go Libraries and Golang Jobs
What is a Golang map? Why is it useful? How does it compare to a slice? How do you declare a map? How do you initialize a map in Go? Fear not; all these questions are answered in this friendly introduction to one of Go’s most powerful features. Call ’em what you like—hashes, dictionaries, associative […]
Structured logging involves producing log records in a well-defined format (usually JSON), which adds a level of organization and consistency to application logs, making them easier to process. Such log records are composed of key-value pairs that capture relevant contextual information about the event being logged, such as the severity level, timestamp, source code location, […]
The Framework In my exploration of Golang, I wanted to take a deeper dive into some areas that I found interesting about the language. Though conceptually similar to the way other languages handle concurrency, I didn’t have much production-level knowledge surrounding goroutines and concurrency. As an engineer, I have the compulsion to pull things apart […]
Go’s defer keyword is a powerful tool that allows you to specify a function call to be executed later, usually after the surrounding function has returned. Although it may seem like a simple concept, the defer keyword can be used in several advanced ways to improve the efficiency and reliability of your Go code. This […]
A new Golang hash table based on SwissTable that is faster and uses less memory than Golang’s built-in map. We’ll cover the motivation, design and implementation of this new package and give you some reasons to try it. This blog is part of our deep-dive series on the Go programming language. Past iterations include posts about concurrency, “inheritance”, and managing […]
Flipt is an open-source, self-hosted feature flag application that allows you to run experiments across services in your environment. Flipt can be deployed within your existing infrastructure so that you don’t have to worry about your information being sent to a third party or the latency required to communicate across the internet. Usecases Flipt supports use cases […]
The other day I was pondering the prevalence of single-method interfaces (SMI) in Go, and what makes them so practical and helpful. SMIs have proven to be a very successful software modeling tool for Go programmers, and you find them all over Go code-bases. I tried to think about the fundamentals, which brought me to […]
Valgo is a type-safe, expressive, and extensible validator library for Golang. Supports localization and is built with generics. Getting started Install in your project: Import in your code: Note: You can use any other aliases instead of v or just reference the package valgo directly. Using Valgo Validation session The Validation session in Valgo is the main structure for validating one or […]
Kopia is a fast and secure open-source backup/restore tool that allows you to create encrypted snapshots of your data and save the snapshots to remote or cloud storage of your choice, to network-attached storage or server, or locally on your machine. Kopia does not ‘image’ your whole machine. Rather, Kopia allows you to backup/restore any and all files/directories that you deem […]
A migration guide from github.com/hashicorp/go-multierror to the std library errors package. In go1.20 support for “multierrors” was added. Why migrate? # Migrating from community go modules to standard library implementations is almost always a no-brainer if it provides like for like functionality. Packages in the core go standard library such as errors are covered by the go1.0 backwards compatibility guarantee [0].Because of […]