A.I, Data and Software Engineering

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Number of Islands solution

petamind

In this post, we have a look at using a queue and breath-first search algorithm to solve a Leetcode challenge. The problem is stated as follows. Given an m x n 2D binary grid grid which represents a map of '1's (land) and '0's (water), return the number of islands. An island is surrounded by water and is formed by connecting adjacent lands horizontally or vertically. You may assume all four edges...

Automate Nat gateway deletion with lambda

petamind

Since NAT gateway is not cheap, in some cases, we don’t need to keep NAT Gateway running all the time. It is a good practice to automate the removal of the NAT gateway after finishing your task. This article will show how to implement a lambda function to remove the NAT gateway and associated Elastic IPs. What is aws lambda AWS Lambda is a AWS serverless compute service. It lets you run...

PETAMIND IS NOW LIVING ON AWS

petamind

After 3 years residing on Google Cloud, we decided to move to AWS. GC is generally OK, however, there is some issue related to the architecture of the previous one that may hinder the future scalability! As such, we decided to re-architecture the site and its workload for the future. There may be some issues after the migration. However, we will check and fix any issue asap. Refer to the...

VMWare products cheatsheet

petamind

To remember the terms easier, we collect and provide a cheat sheet to several common VMware products. Contents1 1.1 VMWARE OVERVIEW2 1.2 CLOUD PLATFORM3 1.3 CLOUD NATIVE4 1.4 STORAGE5 1.5 NETWORKING & SECURITY6 1.6 CLOUD MANAGEMENT7 1.7 END-USER COMPUTING8 1.8 VMWARE DEVELOPER RELATED9 1.9 VMWARE TECHNOLOGY ALLIANCES 1.1 VMWARE OVERVIEW...

GOOGLE CLOUD Top 5 CHEAT SHEETS

Sometimes a picture is worth a thousand words, and that’s where these cheat sheets come in handy. Cloud Developer Advocate Priyanka Vergadia has built a number of guides that help developers visually navigate critical decisions, whether it’s determining the best way to move to the cloud, or deciding on the best storage options. Below are five of her top cheat sheets in one handy...

A.I, Data and Software Engineering

PetaMinds focuses on developing the coolest topics in data science, A.I, and programming, and make them so digestible for everyone to learn and create amazing applications in a short time.

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