Get the Consonant Value in Java
The challenge
Given a lowercase string that has alphabetic characters only and no spaces, return the highest value of consonant substrings. Consonants …
Read Article →Technical Articles
In-depth guides, insights, and best practices for modern software engineering
How to Check for Factor in Python
The challenge
This function should test if the factor is a factor of base.
Return true if it is a factor or false if it is not.
About factors …
Read Article →Understanding Bitwise Operators in Python
There are 6 binary/bitwise operators in Python:
- Complement/Not (
~) - And (
&) - Or (
|) - XOR (
^) - Left Shift (
<<) - Right Shift (
>>)
A …
Read Article →Word Values Challenge in Java
The challenge
Given a string "abc" and assuming that each letter in the string has a value equal to its position in the alphabet, our string …
How to update/upgrade all Homebrew packages
If you use Homebrew – and you probably should if you’re on a Mac – then you have probably installed various different applications and packages …
Read Article →[Solved] FirebaseError: Missing or insufficient permissions
Using Firebase and get the following error in the console?
Uncaught Error in onSnapshot: FirebaseError: Missing or insufficient …
[Solved] Error: Cannot find module ‘../lib/cli.js’
If you try and run npm i and get Error: Cannot find module '../lib/cli.js', then you can easily fix the problem by running the following.
How does the …
Read Article →How to use Git Commit in GitHub Actions
If you’ve tried to use git commit in GitHub Actions before, you may have come across the following error messages:
Author identity unknown
*** …[Solved] Error acquiring the state lock in Terraform
If you have been handed the Acquiring state lock error message about ConditionalCheckFailedException: The conditional request then you have 2 options …
How to Install Chocolatey on Windows PowerShell
Read Article →Chocolatey is a software management automation for [Windows](/solved-terraform-error-accessing-remote-module-registry-in-powershell) that …
How to run PowerShell in Administrator Mode
Some PowerShell commands require elevated permissions to complete.
To do this, you must first open PowerShell in Administrator Mode.
Steps to Run …
Read Article →[Solved] Permission denied @ apply2files – /usr/local/lib/node_modules/expo-cli/node_modules/extglob/lib
If you have recently upgraded your MacOS operating system, you may get the following error in your terminal when installing some Homebrew packages: …
Read Article →How to Fix “is not authorized to create managed-rule” in AWS Step Functions
If you have ever received the following error is not authorized to create managed-rule when running a Step Function through Terraform’s AWS …
How to add Account Condition to AWS Lambda Permissions in Terraform
If you need to lock an AWS Lambda function down to a source account for security reasons (PCI.Lambda.1) then you can do so by using the source_account …
How to AssumeRole in Terraform LocalExec Provisioner Block
I needed to execute a Terraform null_resource provisioner (local-exec) block to run an awscli command, but assume a role passed down to it.
There was …
Read Article →Split and then add both sides of an array together in Java
The challenge
You will receive an array as a parameter that contains 1 or more integers and a number n.
Here is a little visualization of the process: …
Read Article →Highest Rank Number in an Array in Golang
The challenge
Complete the method which returns the number which is most frequent in the given input array. If there is a tie for the most frequent …
Read Article →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 →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 …