Software Development
Python Programming for Beginners
Write functions that validate inputs and return predictable results.
Results for Software Development
128 courses · ₹2,000 per course
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Requirements and Acceptance Tests for Inventory Systems
Translate a requirement into observable inputs, outputs and edge cases. Practice with a stock ledger with a sale, a return and one duplicate event.
Software Development
Data Modeling and Relationships for Inventory Systems
Choose stable identifiers and represent relationships with explicit keys. Practice with a stock ledger with a sale, a return and one duplicate event.
Software Development
Input Validation and Error Handling for Inventory Systems
Validate at the boundary and return a clear error before changing state. Practice with a stock ledger with a sale, a return and one duplicate event.
Software Development
API Contracts and Status Codes for Inventory Systems
Document the request shape, response shape and expected errors for each endpoint. Practice with a stock ledger with a sale, a return and one duplicate event.
Software Development
State Machines and Transitions for Inventory Systems
Define valid states and check each proposed transition against the current state. Practice with a stock ledger with a sale, a return and one duplicate event.
Software Development
Retries and Duplicate Events for Inventory Systems
Use a stable event or request identifier to recognize previously handled work. Practice with a stock ledger with a sale, a return and one duplicate event.
Software Development
SQL Queries and Reconciliation for Inventory Systems
Define the grain of a query and reconcile its output against known fixture totals. Practice with a stock ledger with a sale, a return and one duplicate event.
Software Development
Unit and Integration Testing for Inventory Systems
Use isolated tests for decisions and integration tests for behavior across system boundaries. Practice with a stock ledger with a sale, a return and one duplicate event.
Software Development
Debugging and Observability for Inventory Systems
Reproduce the issue, trace the request through each stage and record the first point where behavior differs. Practice with a stock ledger with a sale, a return and one duplicate event.
Software Development
Code Review and Release Readiness for Inventory Systems
Review changes against requirements and run the affected checks before release. Practice with a stock ledger with a sale, a return and one duplicate event.
Software Development
Requirements and Acceptance Tests for Appointment Booking
Translate a requirement into observable inputs, outputs and edge cases. Practice with two providers, four time slots and one conflicting reservation.
Software Development
Data Modeling and Relationships for Appointment Booking
Choose stable identifiers and represent relationships with explicit keys. Practice with two providers, four time slots and one conflicting reservation.
Software Development
Input Validation and Error Handling for Appointment Booking
Validate at the boundary and return a clear error before changing state. Practice with two providers, four time slots and one conflicting reservation.
Software Development
API Contracts and Status Codes for Appointment Booking
Document the request shape, response shape and expected errors for each endpoint. Practice with two providers, four time slots and one conflicting reservation.
Software Development
State Machines and Transitions for Appointment Booking
Define valid states and check each proposed transition against the current state. Practice with two providers, four time slots and one conflicting reservation.
Software Development
Retries and Duplicate Events for Appointment Booking
Use a stable event or request identifier to recognize previously handled work. Practice with two providers, four time slots and one conflicting reservation.
Software Development
SQL Queries and Reconciliation for Appointment Booking
Define the grain of a query and reconcile its output against known fixture totals. Practice with two providers, four time slots and one conflicting reservation.
Software Development
Unit and Integration Testing for Appointment Booking
Use isolated tests for decisions and integration tests for behavior across system boundaries. Practice with two providers, four time slots and one conflicting reservation.
Software Development
Debugging and Observability for Appointment Booking
Reproduce the issue, trace the request through each stage and record the first point where behavior differs. Practice with two providers, four time slots and one conflicting reservation.
Software Development
Code Review and Release Readiness for Appointment Booking
Review changes against requirements and run the affected checks before release. Practice with two providers, four time slots and one conflicting reservation.
Software Development
Requirements and Acceptance Tests for Order Processing
Translate a requirement into observable inputs, outputs and edge cases. Practice with a paid order, a canceled order and a retried request.
Software Development
Data Modeling and Relationships for Order Processing
Choose stable identifiers and represent relationships with explicit keys. Practice with a paid order, a canceled order and a retried request.
Software Development
Input Validation and Error Handling for Order Processing
Validate at the boundary and return a clear error before changing state. Practice with a paid order, a canceled order and a retried request.