nestjs
Build enterprise-grade Node.js applications with NestJS framework, TypeScript, dependency injection, and modular architecture
performance-optimization
Optimize Node.js application performance with caching, clustering, profiling, and monitoring techniques
streams
Master Node.js streams for memory-efficient processing of large datasets, real-time data handling, and building data pipelines
websockets
Implement real-time bidirectional communication with Socket.io and ws library for chat, notifications, and live dashboards
mongodb-aggregation-pipeline
Master MongoDB aggregation pipeline for complex data transformations. Learn pipeline stages, grouping, filtering, and data transformation. Use when analyzing data, creating reports, or transforming documents.
mongodb-atlas-setup
Master MongoDB Atlas cloud setup, cluster configuration, security, networking, backups, and monitoring. Get production-ready cloud database in minutes. Use when setting up cloud MongoDB, configuring clusters, or managing Atlas.
mongodb-authentication
Master MongoDB authentication methods including SCRAM, X.509 certificates, LDAP, and Kerberos. Learn user creation, role assignment, and securing MongoDB deployments.
mongodb-crud-operations
Master MongoDB CRUD operations, document insertion, querying, updating, and deletion. Learn BSON format, ObjectId, data types, and basic operations. Use when working with documents, collections, and fundamental MongoDB operations.
mongodb-find-queries
Master MongoDB find queries with filters, projections, sorting, and pagination. Learn query operators, comparison, logical operators, and real-world query patterns. Use when retrieving data from MongoDB collections.
mongodb-index-creation
Master MongoDB index creation and types. Learn single-field, compound, unique, text, geospatial, and TTL indexes. Optimize query performance dramatically with proper indexing.
mongodb-indexing-optimization
Master MongoDB indexing and query optimization. Learn index types, explain plans, performance tuning, and query analysis. Use when optimizing slow queries, analyzing performance, or designing indexes.
testing
API testing strategies and contract testing
mongodb-app-development
Master MongoDB integration in applications with Node.js, Python, and Java drivers. Learn connections, transactions, error handling, and best practices. Use when building applications with MongoDB.
mongodb-replication-sharding
Master MongoDB replication, replica sets, and sharding for distributed deployments. Learn failover, shard keys, and cluster management. Use when setting up high availability or scaling horizontally.
mongodb-schema-design
Master MongoDB schema design and data modeling patterns. Learn embedding vs referencing, relationships, normalization, and schema evolution. Use when designing databases, normalizing data, or optimizing queries.
mongodb-security-admin
Master MongoDB security, authentication, authorization, encryption, and backup. Learn role-based access control, TLS/SSL, encryption, and disaster recovery. Use when securing deployments, managing users, or implementing compliance.
mongodb-transactions
Master MongoDB ACID transactions for multi-document operations. Learn session management, transaction mechanics, error handling, and production patterns. Guarantee data consistency across multiple operations.
experiment-tracking
Master ML experiment tracking - MLflow, W&B, Neptune, versioning, reproducibility
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