Change

INotifyPropertyChanged

Understand the interface that powers change notification in MVVM, how it wires up data binding, and how to implement it efficiently.

Change Tracking Explained

How EF Core's ChangeTracker snapshots entity state and computes the minimal set of INSERT, UPDATE, and DELETE statements needed at SaveChanges time.

DbContext and DbSet

How DbContext and DbSet work together as EF Core's session and table-collection abstractions, including change tracking and fluent configuration.

Tasks and Streams

Understand how Snowflake Streams capture change data and how Tasks schedule and chain SQL automation, including the common stream-and-task CDC pattern.

Append, Insert, and Change

The a, i, and c commands let sed add new lines after or before a matched line, or replace matched lines entirely, without relying on the substitute command.

Coin Change Problem

Solve the minimum-coins and count-ways variants of the coin change problem using DP in O(n * amount) time.

CI/CD Pipelines for Containers

How to design continuous integration and delivery pipelines that build, test, scan, and deploy containerized applications to Kubernetes.

Change Detection and Zone.js

Understand how Angular detects and applies UI updates via Zone.js, how the change detection tree works, and how zoneless change detection with signals changes…