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Functional Programming is different from Object Oriented Programming - It takes the input and create a new return value with the input and return the new value.

There are two main principles of testing. Deterministic Testing (A => B) It expects only one result. Input is expected. We aim every function to be this testing that we want to apply the functional programming. Examples: Math, Schema Validation Undeterministic Testing (A => B || C || D || ...) It expects different results since input cannot be expected. Examples: Network, Time E2E Testing (End t..

Basic Git Review git fetch to see if there needs any update downloads content from the specified remote repository git merge merge the remote content refs and heads into a new local merge commit. EXAMPLE: git pull download all the changes from the point where the local and main diverged We makes this often to keep our directory up to date and finally merge it with our main branch. We often make ..

What is AWS CDK? Open Source Tool that allows developers to use their favorite programming languages to write. imperative code to generage declarative CloudFormation templates Available in JavaScript, Java, C sharp, Python, C#, and Go Node.js is a requirement CDK Basics CloudFormation? AWS Service that provisions AWS Resources in Stacks A Stack is a collection of AWS Resources Stack Templates ar..

How to Perform? Amazon S3 (Simple Storage Service) Raw objects Store basic static contents for your application Amazon CloudFront It hooks up with Amazon S3 Optimize to access application Amazon Route 53 Register Domain DNS Setting API HOSTING 1st Solution Amazon API Gateway + AWS Lambda scaling application deploying some codes and registering functions Restful API (Quick with minimum) deploy ma..

EC2 (Elastic Cloud Compute) >> Manage Infrastructure Pros Manage Instances up or down bring down or tear down when it's needed Memory, Compute, Cloud Optimization Different Sizes Extremely Flexible Cons Security (in and out) How? Load Balancers (LG) - hit this first Target Groups (TG) Auto Scling Groups (ASG) - EC2 feeling the traffic ECS (Docker Eco System) EC2 Machine (Clusters + Tasks) Treat ..

root@BYUB-DM-7:/mnt/c/Users/k2289/repos/aws_cluster# aws ecs register-task-definition --cli-input-json ./fargate-task.json Error parsing parameter 'cli-input-json': Invalid JSON received. //In this case, you just need to add file:// in front of it. root@BYUB-DM-7:/mnt/c/Users/k2289/repos/aws_cluster# aws ecs register-task-definition --cli-input-json file://fargate-task.json { "taskDefinition": {..

Step 1: Create a Cluster By default, your account receives a default cluster. Note The benefit of using the default cluster that is provided for you is that you don't have to specify the --cluster cluster_name option in the subsequent commands. If you do create your own, non-default, cluster, you must specify --cluster cluster_name for each command that you intend to use with that cluster. Creat..

I was making the git push for the other's repository to my private one. And then I got this error. The simple solution was deleting the upstream and main and just publish it as a new one through the Visual Studio Code. Viewing and Deleting Codes look like this. $ git remote -v origin https://github.com/BYUCS260/learning-mongo.git (fetch) origin https://github.com/BYUCS260/learning-mongo.git (pus..