RG Dimension

25 Angular Intermediate Interview Questions and Answers (2025 Edition) | rgdimension 25 Angular Intermediate Interview Questions & Answers (Updated for Angular 17–18) Concise, clear answers covering modern Angular (standalone components, signals, inject(), hydration, control-flow, DI, RxJS, performance, and testing). Courtsey: Pexels 1. What are standalone components and when should you use them? Standalone components (introduced and stabilized in recent Angular releases) allow components, directives, and pipes to be declared without NgModules; they declare their own dependencies via the standalone: true flag and import array, which simplifies app structure, reduces boilerplate, and makes lazy-loading and micro-frontends easier — prefer standalone components for new features and greenfield apps while incrementally migrating module-based code when beneficial. /* e...

Top 40 Angular Intermediate Interview Questions and Answers (2025) | rgdimension Top 40 Angular Intermediate Interview Questions and Answers (2025) 1. What are Lifecycle Hooks in Angular? Lifecycle hooks allow developers to tap into key moments of a component's life, such as creation, change detection, and destruction. ngOnInit() – runs once after component initialization ngOnChanges() – called when input properties change ngOnDestroy() – called before a component is destroyed 2. What is ViewEncapsulation in Angular? It defines how CSS styles are applied to components. Options include: Emulated (default) – styles scoped to the component None – global styles ShadowDom – uses native Shadow DOM 3. What is ChangeDetectionStrategy? It controls how Angular checks for changes in components: Default: che...

Top Angular Interview Questions and Answers (2025) | rgdimension Top Angular Interview Questions and Answers (2025) 1. What is Angular? Angular is a TypeScript-based open-source front-end web application framework developed by Google. It helps developers build scalable, dynamic, and responsive single-page applications (SPAs). 2. What are the key features of Angular? Two-way data binding Dependency Injection (DI) Directives and Components Routing and Navigation Reactive Forms and Observables TypeScript and RxJS support 3. What is a Component in Angular? A Component is the basic building block of an Angular application. It controls a section of the user interface using HTML, CSS, and TypeScript. import { Component } from '@angular/core'; @Component({ ...

Understanding CSS Flexbox: A Complete Guide Understanding CSS Flexbox: A Complete Guide What Is Flexbox? Flexbox, or the Flexible Box Layout, is a CSS layout module designed to align and distribute space among items in a container, even when their sizes are dynamic or unknown. It simplifies creating responsive and flexible web designs. Why Use Flexbox? Flexbox eliminates complex float and positioning hacks. It allows developers to easily align elements vertically and horizontally and to control spacing, order, and responsiveness effortlessly. How Flexbox Works When you apply display: flex; to a container, it becomes a flex container. All its direct children become flex items that follow the Flexbox rules for layout a...

50 CSS Interview Questions and Answers 50 CSS Interview Questions and Answers 1. What does CSS stand for? CSS stands for Cascading Style Sheets. It’s used to style and layout web pages. 2. What is the difference between inline, internal, and external CSS? Inline CSS applies styles directly to elements, internal CSS is within a <style> tag in HTML, and external CSS uses a separate .css file. 3. What are CSS selectors? Selectors are patterns used to select and style elements on a web page. 4. What is the use of the z-index property? z-index controls the stacking order of elements that overlap. 5. What are pseudo-classes in CSS? Pseudo-classes define a special state of an element, like :hover or :focus. 6. What are pseudo-elements? Pseudo-elements style specific parts of an element, like :...

25 HTML Interview Questions and Answers (2025) | rgdimension 25 HTML Interview Questions and Answers (2025) Preparing for a frontend interview? Here are 25 important HTML interview questions and answers every developer should know. These will help you cover the essentials — from semantics and accessibility to HTML5 features. HTML Interview Quick Pointers: Understand semantic tags like <header>, <main>, <article>. Learn form structure, input types, and validations. Focus on HTML5 updates, multimedia tags, and ARIA for accessibility. Why HTML Interview Questions Are Important HTML is the backbone of all websites. Employers often evaluate your grasp of HTML to check how well you structur...

Lets read about sweet delicacy ice cream We all love ice creams but do we know some amazing facts about them May be not Fact 1: Ancient Origins Ice cream has been enjoyed for thousands of years. Ancient Chinese and Persian civilizations created early versions using snow, milk, and fruit flavoring. Fact 2: First Ice Cream Parlor The first known ice cream shop opened in Paris in 1686 and became an instant sensation among artists and aristocrats. Fact 3: Vanilla Tops the List Vanilla remains the world’s most popular ice cream flavor, followed closely by chocolate and strawberry. Fact 4: Ice Cream Was Once a Luxury Before modern refrigeration, ice cream was a rare treat enjoy...

Android vs iPhone: Which Smartphone Should You Choose? | rgdimension Android vs iPhone: How to Choose the Right Smartphone Android or iPhone...? The endless debate continues. I’ll buy an iPhone after saving for a while... Android looks more customizable though… iPhone’s ecosystem is seamless… but costly. So, which one should you choose? With so many options available, choosing between Android and iPhone becomes a modern dilemma for most users. Even tech enthusiasts get caught in this never-ending comparison. Smartphone Dilemma: Android offers variety, iPhone offers consistency — but which suits your lifestyle? Budget vs Ecosystem: Android fits all pockets, iPhone fits those who want tight integration. ...

7 Amazing Facts About New Delhi 7 Amazing Facts About New Delhi Courtsey: Pexels Fact 1: Capital of India New Delhi is the capital city of India and serves as the seat of all three branches of the government: Executive, Legislature, and Judiciary. Fact 2: Planned City New Delhi was designed by British architects Edwin Lutyens and Herbert Baker and officially inaugurated as the capital in 1931. Fact 3: Home to Iconic Monuments It houses several historic and iconic monuments like India Gate, Rashtrapati Bhavan, Qutub Minar, and Lotus Temple. Fact 4: Diverse Population New Delhi is a melting pot of cultures, languages, and religions, with people from all over India livi...

7 Amazing Facts About the Milky Way 7 Amazing Facts About the Milky Way Fact 1: Our Galactic Home The Milky Way is the galaxy that contains our Solar System, with the name describing the galaxy’s appearance as a dim, milky band of light in the night sky. Fact 2: Billions of Stars The Milky Way is estimated to contain between 100 billion and 400 billion stars, along with countless planets, asteroids, and other celestial bodies. Fact 3: Spiral Galaxy It is a barred spiral galaxy, with a central bar-shaped structure of stars and sprawling spiral arms extending outward. Fact 4: Supermassive Black Hole At the center of the Milky Way lies Sagittarius A*, a supermassive black hole wi...

7 Amazing Facts About Goats 7 Amazing Facts About Goats Courtsey: Pexels Fact 1: One of the First Domesticated Animals Goats were among the earliest animals to be domesticated by humans over 10,000 years ago in the Middle East. Fact 2: Excellent Climbers Goats are incredible climbers and can scale steep cliffs and trees with ease, even in search of food. Fact 3: Rectangular Pupils Unlike most animals, goats have rectangular-shaped pupils, giving them a wide field of vision to spot predators. Fact 4: Intelligent and Curious Goats are highly intelligent, curious, and have excellent problem-solving skills, often figuring out how to open gates or escape pens. ...

7 Amazing Facts About Ukraine 7 Amazing Facts About Ukraine Courtsey: Pexels Fact 1: Largest Country in Europe Ukraine is the largest country entirely in Europe, covering an area of about 603,500 square kilometers. Fact 2: World's Third-Busiest McDonald's The McDonald's restaurant in Kyiv, the capital of Ukraine, is the third-busiest McDonald's in the world. Fact 3: Home to UNESCO World Heritage Sites Ukraine is home to several UNESCO World Heritage Sites, including the historic center of Lviv and the ancient city of Kyiv. Fact 4: Diverse Ecosystems Ukraine boasts diverse ecosystems, from the Carpathian Mountains to the Black Sea coast, providing a variety of landscapes and biodiversity. ...

7 Amazing Facts About Israel 7 Amazing Facts About Israel Courtsey: Pexels Fact 1: Technological Innovation Hub Israel is often referred to as the "Start-up Nation" due to its high concentration of technological innovation and entrepreneurship. Fact 2: Diverse Landscapes Despite its small size, Israel boasts diverse landscapes, including beaches along the Mediterranean Sea, the Negev Desert, and the Sea of Galilee. Fact 3: UNESCO World Heritage Sites Israel is home to several UNESCO World Heritage Sites, including the Old City of Jerusalem, Masada, and the Bahá'í Gardens in Haifa. Fact 4: Tel Aviv's White City Tel Aviv's White City, known for its ...

7 Amazing Facts About Africa 7 Amazing Facts About Africa Courtsey: Pexels Fact 1: Diversity of Languages Africa is incredibly linguistically diverse, with over 2,000 languages spoken across the continent. Fact 2: Second Largest Continent Africa is the second-largest continent in terms of both land area and population, covering about 30 million square kilometers. Fact 3: Mount Kilimanjaro Mount Kilimanjaro in Tanzania is the tallest free-standing mountain in the world, rising approximately 5,895 meters (19,341 feet) above sea level. Fact 4: Great Rift Valley The Great Rift Valley, stretching over 7,000 kilometers, is considered the birthplace o...

7 Amazing Facts About the Human Brain 7 Amazing Facts About the Human Brain Courtsey: Pexels Fact 1: Neurons and Connections The human brain contains approximately 86 billion neurons, and these neurons form trillions of connections. Fact 2: Brain's Energy Consumption Although the human brain makes up about 2% of the body's weight, it consumes about 20% of the body's energy. Fact 3: Memory Capacity The human brain has an estimated storage capacity equivalent to about 2.5 petabytes, roughly equivalent to three million hours of television. Fact 4: Neuroplasticity Neuroplasticity is the brain's ability to reorganize itself by forming new neural connect...

7 Amazing Facts About Penguins 7 Amazing Facts About Penguins Courtsey: Pexels Fact 1: Variety of Species There are 17 species of penguins, and they can be found in various parts of the Southern Hemisphere, from Antarctica to the Galápagos Islands. Fact 2: Excellent Swimmers Penguins are exceptional swimmers and can reach speeds of up to 22 miles per hour (35 km/h) in the water. Fact 3: Unique Nesting Habits Penguins build nests using stones, sticks, and other materials. Emperor penguins, for example, huddle together to protect their eggs in the harsh Antarctic conditions. Fact 4: Tuxedo-Like Appearance The black and white coloration of penguins, often described as a t...