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Sean Coughlin
Sean Coughlin

603 Followers

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Sep 9

Understanding the Landscape of Data Storage: A Comprehensive Guide to AWS DynamoDB vs. Redshift for Databases and Data Warehouses

Unlock the Full Potential of Your Data: An In-Depth Comparison of AWS DynamoDB and Redshift for Streamlined Data Management and Analytics — The topics of databases and data warehouses are central to the modern data landscape, and Amazon’s offerings- DynamoDB and Redshift -are standout products in their respective categories. Here’s a detailed comparison: Database vs. Data Warehouse

AWS

3 min read

Understanding the Landscape of Data Storage: A Comprehensive Guide to AWS DynamoDB vs.
Understanding the Landscape of Data Storage: A Comprehensive Guide to AWS DynamoDB vs.
AWS

3 min read


Sep 9

Delete Duplicate Emails

Eliminating Duplicate Emails Efficiently: A Comprehensive Guide to Data Cleanup Using Pandas and SQL — The Problem With this article, I will be covering the delete duplicate emails Leetcode problem. Leetcode describes this problem as easy. That’s a super reasonable evaluation as the solution requires only basic SQL or Pandas knowledge. The problem description is as follows: Write a solution to delete all duplicate emails, keeping only…

Data Science

2 min read

Delete Duplicate Emails
Delete Duplicate Emails
Data Science

2 min read


Sep 8

Understanding Amazon Route 53: An In-depth Guide

Mastering Amazon Route 53: A Comprehensive Guide to AWS’s Scalable DNS Service, Domain Management, and More — Introduction In today’s cloud-centric world, one of the most crucial services often overlooked is the Domain Name System (DNS). A robust DNS service is foundational to ensure that your web applications are scalable, secure, and highly available. One such leading service in this space is Amazon Route 53, part of Amazon…

AWS

3 min read

Understanding Amazon Route 53: An In-depth Guide
Understanding Amazon Route 53: An In-depth Guide
AWS

3 min read


Sep 7

How to validate a Sudoku board

Understanding the Efficiency of Sudoku Validation: A Deep Dive into the O(n²) Time Complexity of Checking Sudoku Boards in Python. — The Problem With this article, I will be covering the valid sudoku Leetcode problem. Leetcode describes the problem with the following: Determine if a 9 x 9 Sudoku board is valid. Only the filled cells need to be validated according to the following rules: Each row must contain the digits 1-9 without…

Interview Questions

3 min read

How to validate a Sudoku board
How to validate a Sudoku board
Interview Questions

3 min read


Sep 5

How to Find First and Last Position of Element in Sorted Array

Mastering Binary Search: Efficiently Find the Starting and Ending Position of a Target Value in a Sorted Array with O(log n) Complexity — The Problem With this article, I will be covering the Find First and Last Position of an Element in a Sorted Array problem. Leetcode describes the problem with the following: Given an array of integers nums sorted in non-decreasing order, find the starting and ending position of a given target value.

Binary Search

3 min read

How to Find First and Last Position of Element in Sorted Array
How to Find First and Last Position of Element in Sorted Array
Binary Search

3 min read


Sep 5

UIUC MCS CS 513: Data Cleaning Theory & Practice

Computer Science 513 covers the uttermost basics of data cleaning with little focus on theory. — Overview TLDR: 513 won’t teach you very much, and what you will learn is highly outdated, but it’s an easy 500-level course. Difficulty: Very easy Opinion: Disliked Weekly workload: 2 hours Semester: Summer 2023 Class Content Lecture Content Every week consisted of about an hour of lectures. The topics covered included data validation, profiling, relational…

Uiuc

3 min read

UIUC MCS — CS 513 Review — Theory and Practice of Data Cleaning
UIUC MCS — CS 513 Review — Theory and Practice of Data Cleaning
Uiuc

3 min read


Sep 5

UIUC MCS — CS 416 Review — Data Visualization

Computer Science 416 covers computer graphics, psychology, and human perception. — Overview TLDR: 416 is a fun, laid-back class with two major assignments, a midterm, and a final. I had fun and did not have to stress very much. Difficulty: Easy Opinion: Enjoyed Weekly workload: 5 hours Semester: Summer 2023 Class Content Lecture Content The course had weekly lectures. Topics included data types, human perception, psychology…

Data Visualization

3 min read

UIUC MCS — CS 416 Review — Data Visualization
UIUC MCS — CS 416 Review — Data Visualization
Data Visualization

3 min read


Apr 13

Exploring Cloud Models: Public, Private, Hybrid, and Multi-Cloud

Navigating the Cloudscape: A Comprehensive Guide to Public, Private, Hybrid, and Multi-Cloud Models for Software Engineers — Introduction Cloud computing has become an essential piece of software development, offering unprecedented scalability, flexibility, and cost-effectiveness. As a software engineer, it is crucial to understand the different cloud models to select the best option for your project. …

AWS

4 min read

Exploring Cloud Models: Public, Private, Hybrid, and Multi-Cloud
Exploring Cloud Models: Public, Private, Hybrid, and Multi-Cloud
AWS

4 min read


Apr 12

A Comprehensive Guide to Serverless Computing

Discover the Power of Serverless: Boost Agility, Cut Costs, and Accelerate Development — Introduction The computing and software development world is constantly evolving, and serverless computing has emerged as one of the most transformative technologies in recent years. …

Serverless

4 min read

A Comprehensive Guide to Serverless Computing
A Comprehensive Guide to Serverless Computing
Serverless

4 min read


Apr 11

Amazon EC2: Cloud Computing via Virtual Servers

Unveiling the Power of Elastic Compute Cloud for Scalable and Flexible Virtual Servers — Introduction Amazon Elastic Compute Cloud (EC2) is a core component of Amazon Web Services (AWS), offering scalable, on-demand virtual server instances for various computing needs. In this post, we’ll explore what EC2 is, its history, potential applications, and how it has revolutionized the cloud computing landscape.

Cloud Computing

3 min read

Amazon EC2: Cloud Computing via Virtual Servers
Amazon EC2: Cloud Computing via Virtual Servers
Cloud Computing

3 min read

Sean Coughlin

Sean Coughlin

603 Followers

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