Check if a String is Uppercase in Golang
The challenge
Create a method IsUpperCase to see whether the string is ALL CAPS. For example:
type MyString string
MyString("c").IsUpperCase() …Go
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How to UpperCase a String in Golang
In Go, there are multiple ways to make a string UpperCase, each of them are by using the strings package.
Option 1 (strings.ToUpper):
func ToUpper(str …
Return the Shortest Words in Golang
The challenge
Given a string of words, return the length of the shortest word(s).
The input string will never be empty and you do not need to account …
Read Article →Creating a Multiplication Table for a Number in Golang
The challenge
Your goal is to return multiplication table for number that is always an integer from 1 to 10.
For example, a multiplication table …
Read Article →How to Remove Duplicates in an Array in Golang
The challenge
Remove the left-most duplicates from a list of integers and return the result.
// Remove the 3's at indices 0 and 3
// followed by …How to Dry Potatoes in Golang
The challenge
All we eat is water and dry matter.
John bought potatoes: their weight is 100 kilograms. Potatoes contain water and dry matter.
The …
Read Article →How to Reverse or Rotate in Golang
The challenge
The input is a string str of digits. Cut the string into chunks (a chunk here is a substring of the initial string) of size sz (ignore …
Get which Quarter of the Year in Golang
The challenge
Given a month as an integer from 1 to 12, return to which quarter of the year it belongs as an integer number.
For example: month 2 …
Read Article →Introducing Variables in Golang
Golang comes with a decent offering around variables that you can use to store, retrieve and manipulate information.
A variable is defined with the …
Read Article →Golang cannot convert (type string) to type int
Every language has it’s ways of converting data types. One of the most common data types to convert between is that of strings (string) and …
Learn Golang as a Python Developer
Learning Go or Golang as a Python developer, programmer or software engineer is easier than you think.
While there are quite a lot of things to learn …
Read Article →Advanced Patterns and Techniques
Atomic Counters and Accumulators
Atomic operations are commonly used to implement high-performance counters and accumulators:
package main
import ( …