All Categories - Nelson Figueroa

All Categories

AWS

Redirect One Domain to Another Using AWS S3 and CloudFront

Hosting a Static Website on AWS Using S3 and CloudFront

Finding AWS Resources by IP Address

Replacing AWS ACM SSL Certificates With No Downtime

Invoking Amazon API Gateway with an API Key

Cybersecurity

Scrape Contributor Emails From Any Git Repository

Using Python to Flood Scammers with Fake Passwords

Retaliating Against MetaMask Scammers With Python

Scraping GitHub Contributor Emails

Hacking into Hack The Box

Ruby on Rails

Restricting Ruby on Rails Routes with :only and :except

Fix Devise Errors in Ruby on Rails 7

Uniqueness Constraint Between Two Columns in Rails

Handling Decimal Precision in Rails

Resolving Double Render Errors in Rails

Ruby

Ruby Hash Key Types Vary Depending on Hash Syntax

Sorting Hashes in Ruby

Iterating Through Hashes in Ruby

Set a Default Ruby Version with Ruby Version Manager (RVM)

Useful Constants in Ruby's Date Class

Privacy

Scrape Contributor Emails From Any Git Repository

Scraping GitHub Contributor Emails

My Favorite Privacy Apps and Services

MacOS

Delete Directories Recursively in MacOS and Linux

Cleaning Up After Deleted Apps on MacOS

Python

Using Python to Flood Scammers with Fake Passwords

Retaliating Against MetaMask Scammers With Python

Shell

Delete Directories Recursively in MacOS and Linux

Scrape Contributor Emails From Any Git Repository

Bash

Delete Directories Recursively in MacOS and Linux

Docker

Ignore Files Across All Subdirectories in .dockerignore

Git

Scrape Contributor Emails From Any Git Repository

GitHub

How to Enable Manual Runs of GitHub Actions Workflows

Go

Insertion Order Iteration of Maps in Go

Kubernetes

Kubernetes Concepts and Hands-On with Minikube

Linux

Delete Directories Recursively in MacOS and Linux

NGINX

NGINX: Difference Between ~ and ~* Tildes

Serverless

Adding Environment Variables to Serverless Functions