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RunGo
A place to find introductory Go programming language tutorials and learning resources. In this publication, we will learn Go in an incremental manner, starting from beginner lessons with mini examples to more advanced lessons.
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Understanding the context package
Understanding the context package
Communication between goroutines can be troublesome at times using channels as the only communication medium. In this article, we are…
Uday Hiwarale
May 6, 2020
Building RPC (Remote Procedure Call) Network in Go
Building RPC (Remote Procedure Call) Network in Go
RPC is an inter-process communication architecture to facilitate easy communication between two machines. In this article, we will learn…
Uday Hiwarale
Apr 24, 2020
Making external HTTP requests in Go
Making external HTTP requests in Go
In previous articles, we learned a lot about launching HTTP servers in Go. But a backend can also make external HTTP requests to remote…
Uday Hiwarale
Mar 17, 2020
Working with files and file system: A low-level introduction
Working with files and file system: A low-level introduction
Working with files goes beyond just creating and deleting files. Go provides APIs to work with files at a very low level through the…
Uday Hiwarale
Mar 14, 2020
Introduction to Streams and Buffers
Introduction to Streams and Buffers
Data streams are very important to process a large amount of data in smaller chunks at a time. In this article, we are going to make…
Uday Hiwarale
Mar 9, 2020
OS functions for everyday use-cases
OS functions for everyday use-cases
While working on any Go program, we need some OS functions to deal with the system environment. In this article, let’s took at some of the…
Uday Hiwarale
Mar 7, 2020
Working with JSON in Go
Working with JSON in Go
JSON is a text-based data exchange format primarily used between browsers and servers. In this article, we are going to look at JSON…
Uday Hiwarale
Mar 1, 2020
Secure HTTPS servers in Go
Secure HTTPS servers in Go
In this article, we are going to look at some of the basic APIs of the http package to create and initialize HTTPS servers in Go.
Uday Hiwarale
Feb 28, 2020
Running multiple HTTP servers in Go
Running multiple HTTP servers in Go
In this article, we are going to create some customized HTTP servers and run them at the same time concurrently.
Uday Hiwarale
Feb 14, 2020
Executing shell commands, script files, and executables in Go
Executing shell commands, script files, and executables in Go
In this article, we are going to learn how to execute external shell commands, script files and executable files from a Go program using…
Uday Hiwarale
Feb 9, 2020
Working with files using ioutil package
Working with files using ioutil package
In this article, we are going to look at simple Go APIs to deal with local files using io/ioutil package
Uday Hiwarale
Feb 8, 2020
Beginners guide to serving files using HTTP servers in Go
Beginners guide to serving files using HTTP servers in Go
In this article, we are going to implement some of the basic APIs of the http module to serve static content on the web.
Uday Hiwarale
Feb 8, 2020
Creating a simple “Hello World!” HTTP Server in Go
Creating a simple “Hello World!” HTTP Server in Go
In this article, we will learn how to launch a simple HTTP server that responds with `Hello World!` text for all the requests. We will…
Uday Hiwarale
Jan 26, 2020
Defer, Panic and Recover in Go
Defer, Panic and Recover in Go
As we have seen the earlier tutorial, Go treats error as a value. But at times, Go breaks the program in runtime and such types of errors…
Uday Hiwarale
Jun 17, 2019
Error handling in Go
Error handling in Go
Go does not provide conventional try/catch method to handle the errors, instead, errors are returned as a normal return value. In this…
Uday Hiwarale
Jun 12, 2019
String formatting in Go
String formatting in Go
String formatting or String interpolation is an important concept in any language. Printf would probably be the general implementation of…
Uday Hiwarale
May 23, 2019
Unit Testing made easy in Go
Unit Testing made easy in Go
In this article, we will learn about unit testing in Go. Go provide built-in functionality to test your Go code. Hence, we don’t need an…
Uday Hiwarale
May 11, 2019
Anatomy of Conditional Statements and Loops in Go
Anatomy of Conditional Statements and Loops in Go
Go provides `if/else` and `switch` conditional statements for code execution based on a certain condition(s) and for code execution in…
Uday Hiwarale
May 6, 2019
Anatomy of Modules in Go
Anatomy of Modules in Go
Modules are a new way to manage dependencies of your project. Modules enable us to incorporate different versions of the same dependency…
Uday Hiwarale
May 4, 2019
Anatomy of Channels in Go - Concurrency in Go
Anatomy of Channels in Go - Concurrency in Go
What are channels?
Uday Hiwarale
Nov 19, 2018
Anatomy of goroutines in Go / Concurrency in Go
Anatomy of goroutines in Go / Concurrency in Go
goroutine is lightweight execution thread running in background. goroutine is a key ingredient to achieve concurrency in go.
Uday Hiwarale
Nov 4, 2018
Achieving concurrency in Go
Achieving concurrency in Go
If I had to choose one great feature of Go, then it has to be in-built concurrency model. Not only it supports concurrency but makes it…
Uday Hiwarale
Nov 3, 2018
Interfaces in Go
Interfaces in Go
☛ What is an interface?
Uday Hiwarale
Oct 21, 2018
Anatomy of methods in Go
Anatomy of methods in Go
Since there is no class-object architecture and closest thing to class we have is structure. Function with struct receiver is a way to…
Uday Hiwarale
Oct 20, 2018
Structures in Go
Structures in Go
Unlike traditional Object Oriented Programming, go does not have class-object architecture. Rather we have structures which holds complex…
Uday Hiwarale
Oct 19, 2018
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