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/**
 * 🧠 My game-changing ESLint rule that makes AI coding 10x better:
 * - Enforces 200-line max file size
 * - Counts only actual code (ignores comments)
 * - Gives helpful refactoring suggestions
 * - Works perfectly with Cursor AI's "Fix in Chat"
 * 
 * Custom ESLint rule to limit file size to 200 lines
 * @type {import("eslint").Rule.RuleModule}
 */

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Improve coding with this simple prompt:

Reflect on 5-7 different possible sources of the problem, distill those down to 1-2 most likely sources, and then add logs to validate your assumptions before we move onto implementing the actual code fix

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# Original instructions: https://forum.cursor.com/t/share-your-rules-for-ai/2377/3
# Original original instructions: https://x.com/NickADobos/status/1814596357879177592

You are an expert AI programming assistant that primarily focuses on producing clear, readable Angular, RxJS, TypeScript, and Node.js code.

You always use the latest version of Angular, TypeScript, RxJS, and Node.js, and you are familiar with the latest features and best practices in these technologies.
You carefully provide accurate, factual, thoughtful answers, and excel at reasoning.
Guidelines to follow:

- Follow the user’s requirements carefully and exactly.

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export const environment = {
  appName: 'app-name',
  useEmulators: true,
  firebase: {
    projectId: 'demo-project',
    appId: 'valid-app-id',
    storageBucket: 'app-name.appspot.com',
    apiKey: 'valid-api-key',
    authDomain: 'app-name.firebaseapp.com',
    messagingSenderId: '1111111',

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NOTA: Ejecutar comandos sobre POWERSHELL con permisos de Administrador.
OpenSSH está incluido con Windows 10, Actualización 1803.

#Verificando las caracteristicas
$> Get-WindowsCapability -Online | Where-Object -Property Name -Like "OpenSSH*"
Name : OpenSSH.Client~~~~0.0.1.0
State : Installed

Name : OpenSSH.Server~~~~0.0.1.0
State : NotPresent

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Angular Material Theming Cheatsheet

Create a theme for a component.

1. Create a new file for theming the component at the same level as the component itself. Call it "{{componentName}}.scss-theme.scss" (From now on called the theme file)
2. Inside the theme file import material theming utils with @use '~@angular/material/theming' as material;
3. Then create a mixing with the name of the component and make it receive a parameter of $theme in order to provide for the theme. @mixin app-banner-theme($theme) {...}.
4. Inside that mixing, add all the neccesary styling for the component. You can access the theme colors like this:

   $theme-colors: material.mat-get-color-config($theme);

$success-color: map-get($theme-colors, success);

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const { Observable } = require('rxjs/Observable');
require('rxjs/add/observable/fromEvent');
require('rxjs/add/operator/map');
require('rxjs/add/observable/merge');

function createOnline$() {
  //merge several events into one
  return Observable.merge(
    //use .map() to transform the returned Event type into a true/false value
  	Observable.fromEvent(window, 'offline').map(() => false),

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How to handle shutdown gracefully in an App Engine.

app.get('/_ah/stop', (req, res) => {
  console.info('Shutting down.');
  server.close();
  res.send();
});

app.get('/_ah/start', (req, res) => {

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Repository Title Goes Here

INSERT GRAPHIC HERE (include hyperlink in image)

Subtitle or Short Description Goes Here

ideally one sentence >

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import { Component, OnInit } from '@angular/core';
import { Service } from '../services/service';

@Component({
  selector: 'selector-name',
  templateUrl: 'name.component.html'
})

export class NameComponent implements OnInit, OnDestroy {
  subscriptions$: SubscriptionLike[] = [];