Bash

• Bash Builtins
• Bash Exercises
• Bash Guide
• Bash Guide for Beginners
• Bash Reference Manual
• OverTheWire

Data Structures and Algorithms

• Algorithms Course – Graph Theory Tutorial from a Google Engineer
• Data Structures and Algorithms with Visualizations – Full Course (Java)
• Data Structures and Algorithms in JavaScript – Full Course for Beginners
• Data Structures Easy to Advanced Course – Full Tutorial from a Google Engineer

Database Design

• 7 Database Paradigms
• Database Design Course – Learn how to design and plan a database for beginners
• Database Design Process
• Database Systems – Cornell University Course (SQL, NoSQL, Large-Scale Data Analysis)
• Learn Database Normalization - 1NF, 2NF, 3NF, 4NF, 5NF
• Logical Database Design and E-R Diagrams

Design Patterns

• Design Patterns for Humans
• DigitalOcean
• Gang of Four Design Patterns
• Geeks for Geeks
• Object Oriented Design
• Refactoring Guru Design Patterns
• SourceMaking Antipatterns
• SourceMaking Design Patterns
• SourceMaking Refactoring
• JavaScript Паттерны. Полный курс (22 паттерна в 1 видео)

ClickHouse

Git

• GitLens Tips | 11 Tips for Using GitLens in VS Code
• GitLens Tutorial: How to Use GitLens in VS Code
• TOP 6 GIT Extensions You Need In VS Code
• Using Git with Visual Studio Code (Official Beginner Tutorial)

GraphQL

• GraphQL Course for Beginners
• GraphQL Tutorial Beginner - Learn GraphQL in NodeJS / ExpressJS
• Modern GraphQL Crash Course - 2022

Mermaid

• Class diagrams
• Entity Relationship Diagrams

NodeRED

• Node-Red Tutorial – Common Nodes Explained!

NPM, Verdaccio

• How To Create And Publish Your First NPM Package
• Create a NPM Package and publish it locally with Verdaccio

Postman

• Postman Beginner’s Course - API Testing
• Postman Answers

Protocols

• Computer Networking Course – Network Engineering [CompTIA Network+ Exam Prep]
• Full HTTP Networking Course – Fetch and REST APIs in JavaScript

Security

• OWASP API Security Top 10 Course – Secure Your Web Apps

System Design

• API Documentation Best Practices – Full Course
• 20 System Design Concepts Explained in 10 Minutes
• Comparing web API types: SOAP, REST, GraphQL and RPC
• SourceMaking UML
• System Design Course for Beginners
• System Design for Beginners Course
• UML Diagrams Full Course (Unified Modeling Language)

RabbitMQ

• 101 способ приготовления RabbitMQ и о pipeline-архитектуре / Павел Филонов (Positive Technologies)
• Лекция о RabbitMQ и системах очередей (1/2)
• Лекция о RabbitMQ и системах очередей (2/2)
• Понимание принципов работы rabbitmq на практике. #4

SQL,PostgreSQL

• All Postgres Locks Explained | A Deep Dive
• Learn Database Administration – PostgreSQL Database Administration (DBA) for Beginners
• PostgreSQL: практические примеры оптимизации SQL-запросов / Иван Фролков (Postgres Professional)
• Procedure Tutorial in SQL | SQL Stored Procedure | Procedure in SQL
• Ranges in Postgres
• SQL For Web Developers – Complete Database Course
• Using JSON in PostgreSQL
• Working With PostgreSQL As A JSON Document Store – Robert Bernier – Percona Live Online 2020
• We All Deserve Arrays: The Undervalued PostgreSQL Superpower
• Блокировки в PostgreSQL / Егор Рогов (Postgres Professional)
• Панченко Иван, Postgres Pro — Использование JSON в PostgreSQL

RxJS

• Angular Berlin - Chris Trześniewski - Boost your RxJS experience with custom operators
• Custom RxJS operators – Chris Trzesniewski (VinnytsiaJS 2019)
• Demystifying RxJS Operators – Jan-Niklas Wortmann | Angular Birmingham
• Don’t Lose Your Marbles, We Can Test RxJS Code – RxJS Live! London – by Jay Phelps
• How To Build Your Own RxJS Operators | Ben Lesh & Tracy Lee
• How to Read RxJS Marble Diagrams
• MoscowJS 42 – RxJS по косточкам – Андрей Алексеев
• RxJS 5 Thinking Reactively | Ben Lesh
• RxJS – Юрий Стромов
• What GroupsBy in Vegas, Stays in Vegas – Mike Ryan & Sam Julien
• Глеб Михеев — Как RxJS разделил мой мир на до и после

WebSocket

• A Beginner’s Guide to WebSockets
• WebSockets Crash Course - Handshake, Use-cases, Pros & Cons and more