AWS Lambda & Serverless
Build event-driven serverless applications with AWS Lambda, API Gateway, DynamoDB, Step Functions, and CDK.
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Serverless Fundamentals
Beginner
Function as a service, cold starts, and event-driven patterns.
10 min
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AWS Lambda Deep Dive
Intermediate
Handlers, layers, environment, provisioned concurrency.
11 min
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2 views
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REST APIs, HTTP APIs, WebSocket APIs, and request mapping.
12 min
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Single-table design, GSIs, streams, and access patterns.
11 min
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1 views
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Laravel Eloquent ORM: Relationships, Eager Loading and Query Builder
33 views
SQL Window Functions: ROW_NUMBER, RANK, DENSE_RANK, LAG, LEAD Explained
31 views
System Design Interview: Design a Chat Application Like WhatsApp
25 views
PHP File Handling: Read, Write, and Manage Files
21 views
Git Conflict Resolution
20 views
PHP Input Validation: Never Trust User Data
Jun 3, 2026
PHP Magic Methods: __construct, __get, __set, __toString and More
Jun 2, 2026
PHP Static Methods and Properties Explained
Jun 1, 2026
PHP Abstract Classes vs Interfaces: Know the Difference
May 31, 2026
PHP Arrow Functions and Closures Explained
May 30, 2026