Top Free DevOps Tutorials and Courses on Udemy

Are you looking to learn DevOps but not sure where to start? Look no further! This article will provide you with a list of top free DevOps tutorials and courses available on Udemy. Whether you're a beginner or an experienced professional, these courses will help you enhance your skills and knowledge in DevOps practices and tools.

1. Introduction to DevOps, Habits and Practices:

This course is perfect for those who are new to DevOps. It covers the basics of DevOps, its habits, and practices. You'll learn how to create world-class agile, lean, and continuous delivery teams that can deliver high-quality software quickly and efficiently. Check it out here: https://lnkd.in/dsvQQcYj

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GraphQL vs REST API: A Comparative Study

GraphQL and REST are two prominent approaches for building APIs. REST has been around for a long time, offering a simple way to structure and interact with web services. GraphQL, developed by Facebook in 2012, is a more modern alternative that addresses some of the limitations of REST. This blog post provides a comparative analysis of GraphQL and REST APIs in tabular format, along with examples of input endpoints and their respective outputs.

Comparative Analysis

1. Data Fetching

Aspect	GraphQL	REST
Querying Data	Allows querying multiple resources in a single request	Requires multiple requests to different endpoints for related data
Example Query	{ user(id: "1") { name, email, posts { title } } }	GET /user/1 and then GET /user/1/posts
Example Output	{"data": {"user": {"name": "John", "email": "john@example.com", "posts": [{"title": "First Post"}]}}}	{"name": "John", "email": "john@example.com"} / [{"title": "First Post"}]

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The Git & Github Bootcamp Part 7- Master on essentials and the tricky bits: rebasing, squashing, stashing, reflogs, blobs, trees, & more!

The Power of Reflogs - Retrieving “Lost” Work

1. Introducing Reflogs

Reflogs are a mechanism in Git that records updates to refs (branch heads, tags, etc.), effectively logging every state your repository has been in. This includes commits, merges, and even failed attempts at rewriting history.

2. The Limitations of Reflogs

Reflogs are local to your repository; they are not shared when you push or pull changes. They’re meant for recovering local changes that may have been lost or mistakenly altered. Additionally, entries in reflogs expire after a certain period (default is 90 days for commits that can no longer be reached and 30 days for reachable commits).

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5 Fresh Project Ideas for Data Analysts to Explore

The world of data analysis is dynamic and continuously evolving. For data analysts looking to expand their portfolio or gain new insights, working on real-world datasets can be both enlightening and challenging. Here are five fresh project ideas that offer a wealth of information to analyze, visualize, and model.

🏠 Airbnb Open Data

Dataset: Airbnb Open Data on Kaggle
Project: Analyze the vibrant homestay landscape of New York City through Airbnb’s open data. From pricing strategies to seasonal availability, dive deep into what makes a successful Airbnb listing stand out in the bustling Big Apple.

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