Go - JetBrains Guide

tutorial

REST API Development with Gin

Developing a Bookstore App with the Gin Framework

Part of tutorial

Data Models

Defining models and establishing database connection

Part of tutorial

Database Setup

Configuring Your PostgreSQL Database

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Interfaces & CRUD Operations

Centering on business logic via CRUD operations

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HTTP Handlers

Managing Web Requests - The HTTP Handler Approach

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Introduction

Introducing Gin, the high-performance web framework, written in Go

Part of tutorial

Project Configuration

Install the dependencies used for the sample application

Part of tutorial

Project Layout

Organizing and Navigating Through Your Codebase

tutorial

Web App with Go and React - Part 1

Fullstack Application Development with Go and React

tutorial

Web App with Go and React - Part 2

Fullstack Application Development with Go and React

tutorial

Web App with Go and React - Part 3

Fullstack Application Development with Go and React

Part of tutorial

Prerequisites

Install necessary dependencies for running the application

Part of tutorial

Introduction

Setting Up Gin, SQLite, and Essential REST APIs

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Crafting the Application

Constructing the Go Backend for the Chat App

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Conclusion

Crafting a seamless full-stack chat experience

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Conclusion

backend completion and learning outcomes

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Stitching Together

bringing together frontend and backend components

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Preparing for Production

Fine-tuning your project for deployment

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UI Design

Jazz up your UI with Tailwind

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Testing the Backend

Connecting the dots - from development to deployment

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Getting Started

Dive into frontend development with Node.js and React

Part of tutorial

Conclusion

Streamlining Frontend - React and Tailwind in Action

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Highlights of GoLand 2023.3

Explore key features and enhancements in GoLand 2023.3.

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Code coverage for applications

Track code execution and identify dead code effectively

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Improve Code Readability and Navigation

Discover how to manage code visibility with code folding in Go

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Create a function in another package

Type a non-existing function name and generate its implementation in a package of your choice

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Empower your `Printf`-like functions with coding assistance

Provide hints and highlights for message formats in custom `Printf`-like functions

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Introduce parameters from unresolved references in your code

Change a function or method signature by introducing parameters directly from unresolved references

tutorial

Authentication for Go Applications: The Secure Way

This article compares the pros and cons of five different authentication methods: Basic HTTP, bearer token, JWT, OIDC, and SAML.

Part of tutorial

Authentication for Go Applications: The Secure Way

This article compares the pros and cons of five different authentication methods: Basic HTTP, bearer token, JWT, OIDC, and SAML.

Part of tutorial

Go REST Guide. Gin Framework

The third part of this series looks at how to build a REST API using a web framework called Gin.

Part of tutorial

Go REST Guide. gorilla/mux Router

The second part of this series demonstrates how to use a router for improved handling of requests when building REST APIs.

tutorial

Go REST Guide

This is a three-part series dedicated to three different methods of building a Go REST API.

Part of tutorial

Go REST Guide. The Standard Library

The first part of this series focuses on using the standard library, a simple and native way to create HTTP servers.

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New Features in GoLand 2023.1

A selection of useful features from GoLand 2022.3.

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Vulnerability checker

Analyze your codebase and highlight known vulnerabilities in go.mod

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Convert between different types of strings

Convert strings that are surrounded by backticks to double-quoted ones and vice-versa

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Intention action to convert integers to strings

Convert an integer to a string by using the `strconv.Itoa()` call

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Create inspections with regular expressions

Use regular expressions to create your own search and replace inspections

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Implement an interface

Implement unexported interfaces by pressing Ctrl + I

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Rename generic receivers along with a generic struct

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New Features in GoLand 2022.3

A selection of useful features from GoLand 2022.3.

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Code vision

Focus on your code while getting additional information about it.

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Generate tests for generic functions

Use a shortcut to generate test files for your generic functions.

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Generate 'go.work' for a project

Generate 'go.work' by using the context menu or a quick-fix with 'replace' directives

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Integrated Go Playground

You can format and share your code, change the Go version, and run your code using the Go playground server.

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New Features in GoLand 2022.2

A selection of useful features from GoLand 2022.2.

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Changing the font size in the editor

Use a keyboard shortcut to change the font size in the editor.

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Rename constants that use reserved names

Rename a constant if it uses a name of a built-in constant.

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Run Anything

Launch run/debug configurations, applications, scripts, commands, tasks, and open recent projects.

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Group multiple `use` directives in `go.work`

Merge multiple `use` directives in `go.work` into one directive.

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Convert empty interfaces to `any`

Check and replace empty interfaces that are used as types or type constraints.

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Delete a type parameter with an empty parameter list

Type parameters with empty parameter lists are reported as errors, but you have a quick-fix to put it right.

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Fuzz testing

Automate your tests by continuously submitting various input.

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Fill Paragraph for Go Comments

Ensure that comments have the width you like.

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Declare a targeted Go version in go.mod

The IDE is aware of targeted Go versions

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Improved display of attached projects

Work with multiple projects at once from the same IDE window

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Go 1.17: Convert slice to array pointer

With Go 1.17, it is possible to covert a slice to an array pointer

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Load go.mod changes manually

Take control of when go.mod files are refreshed

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Create a Scratch file from selection

Create scratches faster and get the contents you want to test pre-populated

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Remove empty scratches automatically

Let the IDE handle the cleanup after testing your ideas

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Run gofmt after the builtin formatter

Ensure that your code is always formatted with gofmt.

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Select the builtin Terminal cursor shape

Make the terminal your own, with the cursor shape you want

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Detect unused dependencies in go.mod files

Cleanup go.mod files and keep them lean

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New Features in GoLand 2021.2

A selection of useful features from GoLand 2021.2

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Add new fields to struct types from JSON

Add new fields in your API objects with a copy-paste

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Add keys to struct field tags

Quickly add JSON, XML, or custom keys to all struct fields

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Change struct tag style

Quickly change from different styles the struct tags

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Create missing struct types with all fields

Prototype your code then worry about creating the types

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Create getters and setters for struct fields

Generate the support code to access fields indirectly, via getters and setters

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Extract Type Refactoring

Extract a type into its own definition and improve the reusability in your code

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Support for go:embed directive

Embed files and folders into your binaries with no external tool

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Handle Go errors by using a Postfix Completion

Keep writing code as you would and use the Postfix Completion to generate the boilerplate

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Convert JSON to Go types via copy-paste

Converting a JSON response to a Go type has never been faster than this

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Quickly handle errors in Go

Handling errors is essential in any application

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Rename Go module refactoring

Upgrade Go modules to newer versions with ease

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Run Target support via WSL

Run your application or tests in Windows Subsystem for Linux (WSL) with ease

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Detect incorrect usages of t/b.Fatal* calls in goroutines

Find if tests or benchmarks are using t/b.Fatal* calls inside goroutines incorrectly

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New Features in GoLand 2021.1

A selection of useful features from GoLand 2021.1

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Assert completion in testify

Write testify asserts faster thanks to the IDE smartness

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Better time format in completion

Use the commonly known date/time formatting strings while writing time formatting in Go

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Dump goroutines from a running application

Inspect the goroutines and memory of your application as it runs

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Go 1.16: retract directive

Retract specific versions of your modules

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Inline watches in debugger

Keep your eyes on the code at all times

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Check context.CancelFunc usage

Ensure that the cancel function is always called

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Detect incorrect usage of Println/Printf like functions

Formatting functions from packages such as pkg/errors, logrus or zap

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Live Template to create a for loop in benchmark functions

Benchmark loops are repetitive, so let the IDE handle this for you

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Live Template to create test function

Write tests faster thanks to the builtin func Test live template.

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Live Template to write benchmark function

Write benchmarks quicker thanks to the builtin bench live template.

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Navigate to subtests in table tests

Jump to the specific test case from the results window

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Rerun testify subtests

Rerun just the subtest you need from a testify suite.

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Run individual testify test suites

Run only the testify test suites or subtests that matter to you

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Run a single test from a table test

Focus your testing on new test cases or tests that fail

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Stop a Remote process after debugging it

Clean-up processes after interacting with them in remote debugging scenarios

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Completion for testify test names

Let your IDE add constructor arguments to your instance.

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Detect variable shadowing while writing Go code

Easily spot where you shadow variables that you did not intend to

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New Features in GoLand 2020.3

A selection of useful features from GoLand 2020.3

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Adding Fields To a Struct

Let your IDE add constructor arguments to your instance.

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Add Line After/Before

Smart-add a line, from the middle of a line, after or before the current line.

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Navigate Cursor Position Back and Forth

Navigate back to where you were, or where you went.

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Disable Tabs

Save space and stay keyboard-centric by turning off the tabs.

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Evaluate Expression During Debugging

Select your code and execute it, in the right context.

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Generate Imports While Typing

Avoid interruption by letting GoLand generate your imports as you type.

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Install and import

While typing a symbol, let GoLand install it and generate the import.

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Activate Navigation Bar

Bring up the Navigation Bar as needed, let it disappear when finished.

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Create New File With Navigation Bar

Activate the Navigation Bar and create a new file somewhere in the project tree.

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Navigate to Symbol

Navigate your project by code, not files.

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Find In Path With Navigation Bar

Use keyboard and Navigation Bar to find files under a path.

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Optimize Imports

Automate the organizing and cleaning up of your Go imports with Optimize Imports.

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Reformat Code

Tell GoLand to clean up indentation and other code style in your file.

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Reduce Clutter by Disabling Tools

Save space by turning off various toolbars and Project Tool.

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Rename a File and Its References

Change your mind on a file name, and the IDE makes all the changes for you.

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Run Single Test

Speed up testing by focusing on one test.

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Split Screen Without Tabs

Get your code and tests side-by-side without using tabs.

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General Tips & Tricks

Become an IDE power-user with these bite-sized tips and tricks.

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Complete Current Statement

Add trailing commas or braces and move the cursor with a single keystroke

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Call Hierarchy

Analyze call trees for functions or methods

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Compare with clipboard

Compare text, files or directories and even use the clipboard contents

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Custom Structure tags

Add custom tags to any fields from structures

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Expanding/shrinking selection

Select portions of code that you need to, faster

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Generate a test for an element

Automate test generation

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Go to/from a test

Navigate to and from a test subject like a method or function

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Hide all tool windows

Hide all the tool windows in the IDE

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Implement an interface

Implementing an interface is a common task that Go programmers need to do

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Jump to the Navigation Bar

Get an overview of your current location, and the project itself

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Multiple selections

Select multiple items faster

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Navigate between opened files using the Switcher

Don't use the mouse to quickly move between multiple files

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Navigate to File

Jump to a file without using the Project Tool Window, and your mouse

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Paste from history

Paste from the clipboard even if it's not the last item you copied into it

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Recent Locations

Jump back and forth between files using code snippets you've recently seen

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Select all occurrences in a file

Quickly select all occurrences of a piece of text in the current file

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Show usages

Quickly discover the usages of the element your cursor is at

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Select in

Select the current file in the Project or Changes view and more

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Speed typing

Quickly navigate to or filter any list of items in the IDE

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Structure tags

Quickly add tags to any fields from structures

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Structure popup

View the file or whole package structure and navigate to any element

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Switch to the editor

Get the focus back to the editor regardless what is currently focused

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Type Hierarchy

Discover what types implement an interface or what interfaces are implemented by a type

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Editing Tips & Tricks

Learn some of the most useful Editing features of GoLand.

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Basic Code Completion

Code completion that helps you get the job done

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Code completion in Evaluate Expression, Watches or Conditional Breakpoints

The debugger also has code completion capabilities.

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Code Completion in Language Injections

See how to use code completion inside strings and other places

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Code completion in Run Configurations

Run configurations also have code completion capabilities.

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Completion with the Tab key

A small, but handy feature that makes it a little easier to complete symbol names.

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Completion for non-imported Go Modules

Import a module even if it was imported or used in your project

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Cyclic Expand Word a.k.a. Hippie Completion

Complete any word any from the current open files.

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Exclude items from auto-imports and completion

Exclude certain paths from auto-import and completion

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Live Templates

Add your own completion items via code snippets

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Method-like completion for functions

Completion for searching for functions that accept parameters of a certain type.

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Partial Match Completion

Complete anything by typing just parts of the identifier

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View Parameter Info

Quickly see function arguments and argument types.

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Postfix Completion

Transform an expression into another one.

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Smart Code Completion

The king of code completion in GoLand.

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Completion Tips & Tricks

Know everything there is to know about Code Completion.