How to convert an int value to string in Go
If you need to convert an int to a string in Go, then you should use the strconv.Itoa function:
package main
import (
"strconv" …Technical Articles
In-depth guides, insights, and best practices for modern software engineering
How to Efficiently Concatenate Strings in Go
If you are using a version of Go >= 1.10, then you should be using the newer strings.Builder pattern as follows:
package main
import ( …How to check if a map contains a key in Go
If you have a map in Go and want to only perform an action if it contains a certain key, then you can do so easily:
if val, ok := …How to Remove all Vowels from a String in Java
The challenge
Remove all vowels from the string.
Vowels:
a e i o u
A E I O U
The solution in Java code
Option 1:
public class VowelRemoval {
public …How to Loop Forever in Golang
If you need to loop forever, or infinitely, in your Go code, then you have 2 options:
Option 1:
for {
// your code here
}
Option 2:
for true {
// …Understanding For Loops in Golang
In Golang a for loop is a way to loop through an iterable.
The most basic For Loop
i := 0
for i <= 3 {
i = i + 1
}
A classic For Loop
for i := 7; …[Solved] go mod init: modules disabled by GO111MODULE=off
You’ve probably just tried to initialise a new Go module, and received the following error:
go mod init: modules disabled by GO111MODULE=off; …
How to UpperCase the start of each Word in a String in Golang
The challenge
The task is to take a string of lower-cased words and convert the sentence to upper-case the first letter/character of each word …
Read Article →How to Solve Max-Min Arrays in Java
The challenge
You are given an array of unique elements, and your task is to rearrange the values so that the first max value is followed by the first …
Read Article →How to Find the Smallest Integer in the Array in Golang
The challenge
Given an array of integers your solution should find the smallest integer.
For example:
- Given
[34, 15, 88, 2]your solution will return …
How to do Basic Encryption in Java
The challenge
The most basic encryption method is to map a char to another char by a certain math rule. Because every char has an ASCII value, we can …
Read Article →Forming Unique Array Combinations in Golang
The challenge
You are given an array of arrays and your task will be to return the number of unique arrays that can be formed by picking exactly one …
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