the quality of the content itself is sometimes not enough

These bloggers post engaging and useful content that attracts visitors. These bloggers post engaging and useful content that attracts visitors. These bloggers post engaging and useful content that attracts visitors.


By: Doudou Team

Published: 24 July, 2024

Updated: 24 July, 2024

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The first version of the app

Imagine that you have to get to the airport

Even though given the same arguments, each routing class might build a different route, the main navigator class doesn’t really care which algorithm is selected since its primary job is to render a set of checkpoints on the map. The class has a method for switching the active routing strategy, so its clients,

Let’s think about those state snapshots.

Ignore that problem for now and let’s assume that our objects behave like hippies: preferring open relations and keeping their state public. While this approach would solve the immediate problem and let you produce snapshots of objects’ states at will, it still has some serious issues. In the future, you might decide to refactor some of the editor classes, 

One day you decided to create

The Strategy pattern suggests that you take

The context isn’t responsible for selecting an appropriate algorithm for the job. Instead, the client passes the desired strategy to the context. In fact, the context doesn’t know much about strategies. It works with all strategies through the same generic interface,which only exposes a single method for triggering the algorithm encapsulated within the selected strategy

Even though given the same arguments

main navigator class doesn’t really care which algorithm is selected since its primary job is to render a set of checkpoints on the map. The class has a method for switching the active routing strategy, so its clients, such as the buttons in the user interface, can replace the currently selected routing behavior with another one.

Imagine that you’re creating a text editor app

At some point, you decided to let users undo any operations carried out on the text. This feature has become so common over the years that nowadays people expect every app to have it. For the implementation, you chose to take the direct approach. Before performing any operation, the app records the state of all objects and saves it in some storage

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elsaeed 30 June 2024

In 2026, NASA aims to send humans back to the Moon's surface, as part of the Artemis III mission. In preparation, astronauts have been performing moonwalking simulations to ensure that they are able to make the most of their precious time on the lunar surface

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Mai Hussien 31 July 2024

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Mai Hussien 30 July 2024

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Mai Hussien 29 July 2024

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