All categories

Java

100 notes

Core Java, object oriented programming, collections, multithreading and JDBC.

OOP 12 Core Java 10 Java Basics 9 Collections 9 Multithreading 9 +13 more

A complete core Python path: syntax, data types, operators, strings, control flow, collections, functions, exceptions, files, modules, the standard library, OOP, iterators, generators, decorators, internals, concurrency, regular expressions, testing, typing, performance, security, problem solving, projects, interview preparation and exams.

Standard Library 6 DSA with Python 6 Basics 5 Operators 5 Strings 5 +28 more

HTML

113 notes

A complete HTML path: document structure, text, links, media, tables, forms, semantic markup, HTML5, metadata, accessibility, SEO, tooling, projects and assessment.

HTML SEO 10 Forms 9 HTML Basics 7 Images and Media 7 HTML5 Features 7 +15 more

CSS

92 notes

CSS styling, the box model, flexbox, grid and responsive design.

Flexbox 5 Grid 5 Transitions & Animations 5 CSS Basics 4 Selectors & Specificity 4 +19 more

SQL

91 notes

A complete SQL path: fundamentals, DDL and DML, querying, joins, subqueries, CTEs, window functions, design, indexing, transactions, performance and security.

SQL Basics 6 Advanced SQL 6 JOIN 5 Functions 4 Subqueries 4 +26 more

DBMS

59 notes

A complete DBMS path: database fundamentals, architecture, data models, the ER model, the relational model, relational algebra, functional dependencies, normalisation, transactions, concurrency control, recovery, storage, indexing, query processing, distributed databases, NoSQL, security, administration, performance and exam preparation.

DBMS Fundamentals 9 ER Model 9 Normalisation 9 Relational Model 6 Relational Algebra 6 +16 more

Operating Systems

51 notes

Processes, scheduling, memory management, deadlocks and file systems.

Deadlocks 5 CPU Scheduling Algorithms 5 Process Synchronization 5 Virtual Memory & Paging 5 Process Management 4 +27 more

Computer Networks

122 notes

The OSI model, TCP/IP, routing, and application layer protocols.

IP Addressing & Subnetting 5 Routing Algorithms & Protocols 5 Application Layer Protocols 5 Networking Fundamentals & OSI Model 4 TCP/IP Model 4 +30 more

Data Structures

180 notes

Arrays, Strings, Sliding Window, Two Pointers, Searching & Binary Search, Sorting, Linked List, Stack & Queue, Recursion & Backtracking, Trees, Heap / Priority Queue, Graphs, Dynamic Programming, Greedy, Bit Manipulation, Trie, Math & Number Theory, Design (LLD / OOP), SQL, System Design (HLD)

Strings 35 Sliding Window 35 Arrays 30 Two Pointers 30 Searching & Binary Search 30 +15 more

Data Analytics Interview

40 notes

Data Analytics interview questions and answers covering Excel, SQL, Python, statistics, visualization and real-world analytics case studies - the kind of questions commonly asked at companies like Microsoft, Google, Apple, Amazon, Oracle, IBM, SAP, Salesforce, Adobe, Cisco, NVIDIA, Intel, AMD, Dell Technologies, VMware, ServiceNow, Atlassian, Intuit, Shopify, GitHub, OpenAI, Anthropic, Meta, Netflix, Uber, Infosys, Tata Consultancy Services, Wipro and HCLTech.

SQL 40