Golang vs Python: The Ultimate Battle in DevOps
In the world of DevOps, two programming languages are often pitted against each other: Golang and Python. Both languages have their own strengths and …
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104 articles about go development, tools, and best practices
Go Sync Package Mastery: Synchronization Primitives
Master Go’s synchronization primitives including mutexes.
#Go’s sync package contains the building blocks for safe concurrent programming. …
Read Article →How to Create a Password Generator in Golang
Introduction
In today’s digital age, password security is more important than ever before. Hackers can easily guess weak passwords, leading to …
Read Article →How to Convert Time to String in Golang
If you need to convert Time to a String in Go, then you can do one of the following:
Option 1 – Using time.Now
package main
import ( …How to Perform a Deep Copy in Golang
To perform a Deep Copy in Go, you can use a struct type as follows:
Deep Copying using a struct in Go
package main
import (
"fmt"
)
type …How to Return Lambda Functions in Golang
Go doesn’t typically have Lambda Expressions, but synonymous to Lambdas, or Closures if Anonymous Functions for Go.
How to return a value from …
Read Article →How to Create an Empty Slice in Golang
If you would like to create an empty slice in Go, then you can do the following:
Option 1 – Initialize an Empty Slice in Go
package main
import …[Solved] dial tcp: lookup proxy.golang.org: i/o timeout
If you get a timeout when trying to install go dependencies, the error may look something like this:
$ go get github.com/aws/aws-sdk-go/aws
go: …How to Join Two Strings Together in Golang
If you need to join two (2) strings together in Golang, you can do the following, using the + concatenation operator:
package main
import ( …How to Execute Linux Commands in Golang
If you want to execute Linux commands in Golang, you can use exec.Command from the os/exec package:
cmd := exec.Command("echo", "hello …How to Check for Prime Numbers using Golang
If you need to check for Prime Numbers in Golang, then you can use the following method:
const n = 1212121
if big.NewInt(n).ProbablyPrime(0) { …How to Raise a Number to a Power in Golang
If you need to raise a number to a power in Golang, then you can use the math.Pow function:
package main
import (
"math"
)
func …How to Calculate the Sum of the Numbers in the Nth row of a Triangle in Golang
The challenge
Given the triangle of consecutive odd numbers:
1
3 5
7 9 11
13 15 17 19
21 23 …How to SHA256 a String in Golang
If you need to SHA256 a String in Go, then you can use the crypto/sha256 package.
SHA256 a String in Go
package main
import ( …How to Base64 Encode/Decode in Golang
Go ships with an encoding/base64 package that allows for encode and decoding of Base64 strings.
Import the base64 package and then start using it! …
Read Article →How to perform Array Element Parity in Golang
The challenge
You will be given an array of integers whose elements have both a negative and a positive value, except for one integer that is either …
Read Article →Irreducible Sum of Rationals in Golang
The challenge
You will have a list of rationals in the form:
lst = [ [numer_1, denom_1] , ... , [numer_n, denom_n] ]
where all numbers are positive …
Read Article →Calculating Cartesian Neighbors Distance in Golang
The challenge
We have been searching for all the neighboring points in a Cartesian coordinate system. As we know each point in a coordinate system has …
Read Article →How to Calculate Dominant Primes in Golang
The challenge
The prime number sequence starts with: 2,3,5,7,11,13,17,19.... Notice that 2 is in position one.
3 occupies position two, which is a …
How to Solve Simple Square Numbers in Golang
The challenge
In this challenge, you will be given a number n (n > 0) and your task will be to return the smallest square number N (N > 0) such …
How to perform Function Iteration in Golang
The challenge
The purpose of this challenge is to write a higher-order function returning a new function that iterates on a specified function a given …
Read Article →How to Find the Sum of Prime-Indexed Elements in Go
The challenge
You will be given an integer array and your task is to return the sum of elements occupying prime-numbered indices.
The first element of …
Read Article →Calculate the Most Frequent Weekdays in Go
The challenge
What is your favourite day of the week? Check if it’s the most frequent day of the week in the year.
You are given a year as …
Read Article →Return Index of Matching Closing Bracket in Go
The challenge
In this challenge, you will be given a string with brackets and an index of an opening bracket and your task will be to return the index …
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