Wednesday 24 May 2023

The LOEANE Theorem: Exploring the Dynamics of Emergence and Transition

Blurb: "The Linearity of Existence and Non-Existence Theorem unveils a captivating framework that delves into the intricate nature of existence and non-existence. With its mathematical formulation ∑{} = 0 = -∞ + ∞, the theorem embodies the concept of the point of oblivion—a critical state where the presence and absence of matter reach perfect balance. This equilibrium of oblivion signifies a neutral stance toward the existence or non-existence of matter. The inclusion of -∞ + ∞ emphasizes the dynamic nature of the continuum, representing transitions from void to presence across a spectrum of concentration and complexity. By integrating the mathematical expression ∑{} = 0 = -∞ + ∞, the theorem sheds light on the pivotal role of the point of oblivion and the ever-evolving nature of the continuum. However, comprehensive understanding necessitates further exploration, empirical validation, and mathematical analysis. The Linearity of Existence and Non-Existence Theorem serves as a thought-provoking construct that beckons researchers to embark on a journey of exploration, investigation, and analysis in the fascinating realm of existence and non-existence."






The Linearity of Existence and Non-Existence Theorem proposes a framework for understanding the emergence and transition between existence and non-existence. At its core, the theorem is mathematically expressed as ∑{} = 0 = -∞ + ∞, where ∑{} represents a sum over relevant variables or factors.

This mathematical formulation captures the concept of a critical state known as the point of oblivion. When ∑{} equals zero, it signifies a balance or cancellation between the presence and absence of matter. In other words, the sum of these variables or factors reaches a neutral state. This state of equilibrium represents a state of complete oblivion or neutrality in relation to the existence or non-existence of matter.

The inclusion of -∞ + ∞ in the formula highlights the dynamic nature of the continuum between existence and non-existence. It suggests that as we move along this continuum, the sum (∑{}) can range from negative infinity (-∞) to positive infinity (∞). This indicates a transition from the absence of matter to its presence, encompassing a wide range of concentration and complexity of physical entities.

By incorporating the mathematical formula ∑{} = 0 = -∞ + ∞, the Linearity of Existence and Non-Existence Theorem acknowledges the critical role of the point of oblivion and the dynamic nature of the continuum. However, it's important to note that the specific variables, factors, or mathematical details represented by ∑{} would need to be defined within the framework, along with their interpretations and empirical validation.

The theorem serves as a theoretical construct that invites further exploration, empirical investigation, and mathematical analysis to understand the interplay between existence and non-existence within the proposed continuum



Sunday 7 May 2023

State management in Angular using NgRx

NgRx is a state management library for Angular that provides a predictable state container for managing application state. It can be used to manage shared state between the client and server-side of an Angular application, including when using an Angular Universal application with a .NET Core REST API.


Here's an example of how NgRx can be used with a .NET Core REST API:


Install NgRx - First, install NgRx by running the following command in the Angular application directory:

npm install @ngrx/store --save
Define a state - Define the application state in the AppState interface. For example:
export interface AppState {
  todos: Todo[];
}

Define actions - Define actions that describe the state changes that can occur in the application. For example:

  

export enum TodoActionTypes {
  ADD_TODO = '[Todo] Add Todo',
  REMOVE_TODO = '[Todo] Remove Todo',
}

export class AddTodo implements Action {
  readonly type = TodoActionTypes.ADD_TODO;

  constructor(public payload: { todo: Todo }) {}
}

export class RemoveTodo implements Action {
  readonly type = TodoActionTypes.REMOVE_TODO;

  constructor(public payload: { id: number }) {}
}

export type TodoActions = AddTodo | RemoveTodo;

Define reducers - Define reducers that handle the state changes described by the actions. For example:

 

export function todoReducer(state: Todo[] = [], action: TodoActions) {
  switch (action.type) {
    case TodoActionTypes.ADD_TODO:
      return [...state, action.payload.todo];
    case TodoActionTypes.REMOVE_TODO:
      return state.filter((todo) => todo.id !== action.payload.id);
    default:
      return state;
  }
}

Define selectors - Define selectors that provide access to specific parts of the application state. For example:

export const selectTodos = (state: AppState) => state.todos;

Dispatch actions - In the Angular application, dispatch actions to update the application state. For example:

 

constructor(private store: Store) {}

addTodo() {
  const todo = { id: 1, title: 'Buy milk', completed: false };
  this.store.dispatch(new AddTodo({ todo }));
}

removeTodo() {
  const id = 1;
  this.store.dispatch(new RemoveTodo({ id }));
}
appstate

Use the state in the .NET Core REST API - In the .NET Core REST API, use the state provided by NgRx to generate the API response. For example:

 

[HttpGet] public ActionResult>; GetTodos()
{
  var todos = _store.Select(state => state.todos);
  return Ok(todos);
}

By using NgRx with a .NET Core REST API, developers can manage shared state between the client and server-side of an Angular application, enabling server-side rendering and improving performance and user experience.

Isomorphic application development

 Isomorphic application development can be implemented in various programming languages and frameworks, including .NET and Angular.


In .NET, developers can use the ASP.NET Core framework to build isomorphic web applications. ASP.NET Core supports server-side rendering and provides a variety of tools and libraries to help developers create isomorphic applications. The framework also provides built-in support for Angular, allowing developers to easily integrate Angular components and features into their isomorphic applications.


To build an isomorphic application in .NET and Angular, developers typically start by creating an Angular application and then integrating it with the ASP.NET Core framework. The Angular application can be designed to run on both the client and server-side using Angular Universal, which is a framework for server-side rendering in Angular applications.


Once the Angular application is integrated with the ASP.NET Core framework, developers can use the server-side rendering capabilities of the framework to generate HTML on the server and send it to the client as a fully-formed page. This can significantly improve performance and user experience by reducing the amount of time required to load and render content.


To manage state and data synchronization between the client and server-side of the application, developers can use tools and techniques such as server-side data pre-fetching, shared state management libraries, and server-side caching.


Isomorphic application development in .NET and Angular offers many benefits to web developers looking to build fast, responsive, and maintainable web applications. By leveraging the power of server-side rendering and shared code between the client and server, isomorphic applications can deliver a superior user experience and reduce development time and costs.