In Golang, variables can be declared using the var keyword or the short declaration operator :=. While both ways allow the programmer to define variables, they have some differences that make them suitable for different scenarios. In this article, we will discuss the difference between the var keyword and the short declaration operator and when to use them. Var Keyword in Golang In Golang, the var keyword is used to declare variables with a specified type. It is a way of explicitly declaring the type of the variable. The syntax of the var keyword is as follows − var variableName ... Read More

When it comes to system programming languages, Golang and Rust are two popular choices. Both languages are designed to provide a balance between performance, safety, and productivity. However, there are significant differences between them. In this article, we will discuss the main differences between Golang and Rust in a tabular way. Difference Between Golang and Rust Comparison Golang Rust Type of Language Statically Typed Language Statically Typed Language Syntax Similar to C Similar to C Memory Management Garbage collected Memory safe with ownership and borrowing Concurrency Model Goroutines and channels ... Read More

Golang and Ruby are two popular programming languages used for building web applications, software tools, and more. While they share some similarities, they differ in several key areas. In this article, we will explore the differences between Golang and Ruby, and how they stack up against each other. Difference Between Golang and Ruby Syntax Golang has a C-style syntax, similar to C++ and Java, while Ruby has a more flexible syntax that is similar to Perl and Python. Golang uses curly braces to define blocks of code, while Ruby uses keywords like "end" to delimit blocks. Performance One of the ... Read More

Both Golang and PHP are popular programming languages used for web development. Although both languages are suitable for building web applications, they have significant differences in terms of their syntax, performance, and popularity. In this article, we will discuss the key differences between Golang and PHP in detail and compare them in a tabular form. Golang vs PHP Here are the main differences between Golang and PHP − Category Golang PHP Syntax Golang has a strict syntax with mandatory semicolons and braces PHP has a flexible syntax with optional semicolons and braces Performance Golang ... Read More

Golang and Dart are two popular programming languages used in developing web, mobile, and desktop applications. Golang is a compiled programming language that was developed by Google in 2007. On the other hand, Dart is a relatively new programming language developed by Google in 2011. Both languages have their unique features and advantages, but also their differences. In this article, we will compare Golang and Dart in terms of performance, syntax, community, and use cases. Difference Between Golang and Dart Performance Comparison One of the major factors in choosing a programming language is performance. Both Golang and Dart are known ... Read More

There is built-in support for Unicode, including its rune type, in the statically-typed computer language Go. A Unicode code point is represented by a rune, which is the equivalent for the int32 type. There are various methods for determining if a rune is a letter or not in the Go language. In this article, we'll explore how to check if a rune is a letter or not in Go, and we'll provide examples of how to do that using different techniques. Why do we need to check If a Rune is a Letter? A rune in Go is a Unicode ... Read More

Slices in Golang are dynamically-sized sequences that provide a more powerful interface than arrays. They are commonly used for storing collections of related data. Sometimes, we may want to delete elements from a slice. In this article, we will discuss how to delete elements in a slice in Golang. Deleting Elements in a Slice In Golang, we can delete elements from a slice using the built-in append() function. Here's how it works − ExampleHere's an example of how to use the deleteElement() function to delete an element from a slice −package main import "fmt" func deleteElement(slice []int, index ... Read More

Golang is a statically-typed programming language that is popular among developers for its simplicity, concurrency support, and garbage collection. One of the unique features of Golang is the defer keyword, which is used to schedule a function call to be executed after the function completes. In this article, we will explore the defer keyword in Golang, its syntax, and use cases. What is the Defer Keyword? In Golang, the defer keyword is used to delay the execution of a function until the surrounding function completes. The deferred function calls are executed in Last-In-First-Out (LIFO) order. That means the most recently ... Read More

In many applications, it is important to count the number of times a word appears in a string. This can be useful for generating word frequency counts, analyzing text data, and many other tasks. In this article, we will explore how to count the number of repeating words in a Golang string. Step 1: Convert the String to an Array of Words The first step in counting repeating words is to convert the string into an array of words. This can be done using the strings.Split() function, which splits a string into an array of substrings based on a separator. ... Read More

In Golang, copying the sign of a given number is a common operation that may be needed in certain scenarios. For example, when performing arithmetic operations on numbers, it may be necessary to ensure that the sign of the result matches the sign of one of the operands. In this article, we will explore how to copy the sign of a given number in Golang, and discuss some use cases where this operation might be useful. Copying the Sign of a Given Number in Golang To copy the sign of a given number in Golang, we can use the math.Copysign() ... Read More