Block

Pages and Modals

Understand the ContentPage lifecycle and how modal navigation differs from Shell's normal push navigation in .NET MAUI.

Blocks in Objective-C

Learn how Objective-C blocks capture surrounding variables as closures, how __block and __weak change capture behavior, and how to avoid retain cycles.

Simulink Basics

An introduction to Simulink's block-diagram approach to modeling dynamic systems, covering sources, sinks, subsystems, solver configuration, and simulation ana…

Azure Blob Storage

Azure's massively scalable object storage service for unstructured data, covering blob types, access tiers, and security controls.

finally Block in Java

Learn how the finally block guarantees cleanup code execution in Java, even when exceptions or return statements are involved.

finally Block in Python

How the finally clause guarantees cleanup code runs no matter what happens in a try block, including with return and break.

let, const and Block Scope in JavaScript

How let and const introduced block scoping, the temporal dead zone, and why const does not make objects immutable.

Object, Block, and File Storage

Compare object, block, and file storage models and learn which one fits databases, boot disks, and shared file access.

Dynamic Blocks

Learn how to generate repeated nested configuration blocks programmatically inside a resource, avoiding hand-written repetition for variable-length nested sett…

reduce and inject

Understand Ruby's reduce/inject method — how it folds a collection into a single accumulated value, and how to use it for sums, grouping, and building complex…

yield and block_given?

Understand how `yield` invokes an implicit block passed to a method, and how `block_given?` lets methods branch based on whether a block was supplied.