Sort Words by Position Index in Java
The challenge
Your task is to sort a given string. Each word in the string will contain a single number. This number is the position the word should …
Read Article →Technical Articles
In-depth guides, insights, and best practices for modern software engineering
How to get the Current Machine Name and Logged In User in Java
It’s very easy to get the current machine name and logged in user using Java.
Get the Currently Logged in User
String username = …How to set ZSH as your default Shell
You may have installed ZSH and every-time you open your terminal, it opens BASH by default.
How do you set your default shell to open as ZSH? …
Read Article →How to Base64 Encode/Decode in the Terminal/CLI
If you need to either Encode or Decode a Base64 value, there are many ways to achieve this, one of them is directly from your commandline itself!
How …
Read Article →How to Enable Syntax Highlighting in Vim
There are a few different ways to enable Syntax Highlighting in Vim.
Option 1 – Edit ~/.vimrc
Add syntax on to your local ~/.vimrc
echo "syntax …How to Create an AWS Security Group in Terraform - Securing AWS Resources with Terraform Security Groups
Security groups are a critical component for securing resources in AWS. This guide will show you how to create and manage security groups in AWS using …
Read Article →How to Create an AWS Security Group in CloudFormation
Below is a simple CloudFormation script block to create a Security Group in AWS.
Resources:
SampleAppAppstreamSG:
Type: AWS::EC2::SecurityGroup …How to provide Default Values for AWS CloudFormation Parameters
AWS CloudFormation is very useful for creating template-able infrastructure definitions.
One of the sections of a template, is the Input Parameters, …
How to Validate an AWS CloudFormation Template
The AWS CLI comes with a useful subcommand to validate a CloudFormation template.
Simply run the following to validate a CloudFormation template file: …
Read Article →How to Reverse Sort Integers in Go
The challenge
The two oldest ages function/method needs to be completed. It should take an array of numbers as its argument and return the two highest …
Read Article →How to view the Encoded Authorization Failure Message in AWS
You may come across a message that reads similar to the following:
<meta charset="utf-8">Encoded authorization failure message
A full …
Read Article →How to run/execute a program from Terraform
If you need to run a local application from your Terraform scripts, you can call out to the provisioner local-exec and issue the command syntax: …