Prologue
Getting started
Basic concepts
Request lifecycle
Routing
Dependency injection
Controllers
Middlewares
Events
Front-end
Background jobs (Cron)
Logging
Settings
Storage and database
Migrations
Database access
Configuration
Filesystem
AppData
Testing
App development
Core development
Digging deeper
App publishing and maintenance
Nextcloud design guidelines
HTML/CSS guidelines
Clients and Client APIs
Nextcloud latest Developer Manual
Basic concepts
Storage and database
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Storage and database
Migrations
1. Migration 1: Schema change
2. Migration 1: Post schema change
3. Migration 2: Schema change
Console commands
Database access
Transactions
Mappers
Entities
Configuration
System values
App values
User values
Filesystem
Writing to a file
Reading from a file
AppData
The simple filesystem
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