How to Get Last Digit of a Large Number in C
The challenge
Define a function that takes in two non-negative integers aa_a_ and bb_b_ and returns the last decimal digit of aba^b_a__b_. Note that …
Read Article →Technical Articles
In-depth guides, insights, and best practices for modern software engineering
[Solved] Network interface is in use by another service in AWS
If you have tried to delete a Security Group, or VPC, or various other resources and you get the dreaded Network interface is in use by another …
How to Uninstall npm packages
We typically install an npm package as follows:
npm install <package_name>
But how do we uninstall an npm package?
How to uninstall an npm …
Read Article →RBG Color Codes
Often you need to reference an HTML/CSS Color Code in RGB or Hex. This is known as rgb color codes.
Below is an easy-to-use table to find the …
Read Article →How to Sum the Two Lowest Positive Integers in C++
The challenge
Create a function that returns the sum of the two lowest positive numbers given an array of minimum 4 positive integers. No floats or …
Read Article →How to Sort an Array of Objects by Property in Javascript
If you need to sort an array of objects by their property values using Javascript, then you don’t need to look further than the built-in sort …
How to create a Countdown Timer in Python
If you need to count down a specific amount of time, say for example, when a token is set to expire, then a countdown timer will be useful.
Step 1 – …
Read Article →How to Remove a Resource from Terraform State
Terraform state reflects the most up to date reference of the infrastructure.
Sometimes you may need to remove a resource from the Terraform state …
Read Article →How to Delete a Specific Resource in Terraform
Running terraform destroy will tear down the whole stack associated to some terraform code.
However, sometimes you might only want to remove a …
Read Article →How to Create a DynamoDB Lock Table for Terraform
Provision the DynamoDB Table
resource "aws_dynamodb_table" "dynamodb-terraform-state-lock" {
name = …How to add Comments in Terraform
Terraform, a powerful Infrastructure as Code (IaC) tool, allows you to define and provision infrastructure resources. Properly commenting your …
Read Article →How to log/debug in Terraform
If you have Terraform reporting an error but want more information, then you can configure debug logging.
How to configure Bash
export …