How to Square Every Digit in C++
The challenge
You are asked to square every digit of a number and concatenate them.
For example, if we run 9119 through the function, 811181 will come …
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In-depth guides, insights, and best practices for modern software engineering
How to Count Vowels in C++
The challenge
Return the number (count) of vowels in the given string.
We will consider a, e, i, o, u as vowels for this challenge (but not y).
The …
Read Article →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 …[Solved] Terraform Error accessing remote module registry in PowerShell
If you are using PowerShell and trying to run a terraform init, you may get an error as follows:
Error: error accessing remote module registry
Failed …
How to Recursively Delete a Directory in PowerShell
If you want to recursively delete a directory/folder using PowerShell, then you have 2 options.
Option 1 – With LiteralPath and Force
Remove-Item …[Solved] npm ERR! could not determine executable to run
If you get the following message, then there’s a very easy fix:
npm ERR! could not determine executable to run
The solution – using npm
rm -rf …[Solved] npm ERR! path node_modules/node-sass
If you get the following error and need a solution, then look no further!
npm ERR! code 1
npm ERR! path ./node_modules/node-sass
npm ERR! command …How to Install Lodash through Yarn for React
You can install lodash through yarn as follows:
Step 1 – Install Lodash to get the Library
yarn add lodash
Step 2 – Get the Typescript info
yarn add …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 Base64 Encode a String in Java
Quick solution
In short, you can just do this:
new String(Base64.getEncoder().encode(bytes));
Examples and an explanation
In Java 8 and above, you …
Read Article →How to add a Lambda Environment Variable in Terraform
If you have an aws_lambda_function block that needs to make use of environment variables, then you can simply do the following:
resource …