Concurrency is not parallelism - The Go Programming LanguageTips for writing clear, performant, and idiomatic Go code
JSON and Go - The Go Programming Language
Andrew Gerrand 25 January 2011 Introduction JSON (JavaScript Object Notation) is a simple data interchange format. Syntactically it resembles the objects and lists of JavaScript. It is most commonly used for communication between web back-ends and JavaScript programs running in the browser, but it is used in many other places, too. Its home page, json.org, provides a wonderfully clear and concise
Package names - The Go Programming Language
Sameer Ajmani 4 February 2015 Introduction Go code is organized into packages. Within a package, code can refer to any identifier (name) defined within, while clients of the package may only reference the package’s exported types, functions, constants, and variables. Such references always include the package name as a prefix: foo.Bar refers to the exported name Bar in the imported package named f
Errors are values - The Go Programming Language
Rob Pike 12 January 2015 A common point of discussion among Go programmers, especially those new to the language, is how to handle errors. The conversation often turns into a lament at the number of times the sequence if err != nil { return err } shows up. We recently scanned all the open source projects we could find and discovered that this snippet occurs only once per page or two, less often th
Deploying Go servers with Docker - The Go Programming Language
Andrew Gerrand 26 September 2014 Introduction This week Docker announced official base images for Go and other major languages, giving programmers a trusted and easy way to build containers for their Go programs. In this article we’ll walk through a recipe for creating a Docker container for a simple Go web application and deploying that container to Google Compute Engine. If you’re not familiar w
Error handling and Go - The Go Programming Language
Andrew Gerrand 12 July 2011 Introduction If you have written any Go code you have probably encountered the built-in error type. Go code uses error values to indicate an abnormal state. For example, the os.Open function returns a non-nil error value when it fails to open a file. func Open(name string) (file *File, err error) The following code uses os.Open to open a file. If an error occurs it call
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Go Concurrency Patterns: Pipelines and cancellation - The Go Programming Language