How to Safe Custody your number for Airtel Postpaid plan information – Year 2024

Hello, if you like to know or find the answer what happens and how to make Safe Custody and how Airtel process or allows your safe custody as of in year 2024, I think there response is a bit unclear please you take a note where and how, and comment us down below 👇 (in comment box if open)

As per your concern, we would like to inform you that you can activate safe custody and deactivate the safe custody on same day.

But kindly note that you can activate and deactivate safe custody only once in a bill cycle.

And in order to activate safe custody you need to clear the billed and unbilled amount as on that day and need to made a advance payment of R.s 50 + 18% GST which is safe custody charges.

And also for primary number to activate safe custody you need to separate all the add-on connection.


1. Charges of safe custody are Rs.50+18% tax per month for the required period in advance.

2. Your number will be on temporary disconnection status (TD).

3. Inform payment modes like Cash / Airtel Website / My Airtel App / Airtel Money / Card Swipe.

4. To activate safe custody, no SIM change should have been done in last 48hrs.

5. Outstanding and unbilled amount to be cleared.

6. Post advance payment, you can send us a written request via email at 121@in.airtel.com to activate safe custody and you will get revert within 4 hours.

7. You can check outstanding and unbilled amount at any time by sending SMS OT to 121 and SMS UNB to 121 respectively from your Airtel mobile. (only for mobile number)

Hope this helps!


You can ask us your questions using Airtel Thanks App.

This what we can learn about Airtel safe custody so far.

There other emails from Airtel I think you should learn too when and how they respond.

How 3D Printing Works: Answering Your Top 5 Burning Questions!

Introduction: In this article, we’ll explore the fascinating world of 3D printing by addressing five of the most commonly asked questions in the field.

Who invented 3d printing?

Where 3D printing is used?

How 3D printing works?

Which 3d printing material is the strongest?

Can 3D printing be used for mass production?

Lets get dive into them one by one.

Who Invented 3D Printing?

First, let’s delve into the origins of 3D printing. Chuck Hull, the inventor of this groundbreaking technology, paved the way for a new era in manufacturing when he developed stereolithography (SLA) in 1983.

For more info check wiki page: https://en.wikipedia.org/wiki/Chuck_Hull

Where is 3D Printing Used?

Next, we’ll examine the diverse applications of 3D printing across industries. From aerospace to healthcare, architecture to fashion, the versatility of this technology knows no bounds.

For more research : Search

How Does 3D Printing Work?

Now, let’s demystify the process behind 3D printing. By understanding the intricate steps involved in designing, slicing, and printing objects layer by layer, you’ll gain insight into this revolutionary manufacturing technique.

For more research : Search

Which 3D Printing Material is the Strongest?

Determining the strength of a 3D printed object depends on several factors, including the printing technology, the material properties, and the intended application. While metals like titanium and stainless steel are renowned for their strength and durability, other materials such as carbon fiber-reinforced polymers and certain engineering-grade plastics also offer high strength-to-weight ratios.

Each material has its advantages and limitations, and the choice often depends on the specific requirements of the project. Engineers and designers must carefully evaluate factors such as mechanical properties, cost, and manufacturability when selecting the most suitable material for their application.

By considering these factors, they can ensure that the 3D printed parts meet the required performance standards and deliver optimal results in their respective industries.

Can 3D Printing be Used for Mass Production?

The potential for 3D printing to be used for mass production has been a subject of much discussion and exploration in recent years. While 3D printing excels in certain aspects of manufacturing, such as rapid prototyping, customization, and low-volume production, its scalability for mass production is still evolving.

Advantages for Mass Production:

  1. Customization and Complexity: One of the key advantages of 3D printing in mass production is its ability to produce highly customized and complex parts without the need for additional tooling or setup costs. This flexibility is particularly beneficial in industries such as healthcare, where personalized medical devices and implants are in high demand.
  2. Reduced Material Waste: Traditional subtractive manufacturing methods often result in significant material waste due to the need to remove material from a larger block or sheet. In contrast, 3D printing is an additive process, where material is deposited only where needed, leading to minimal waste and potentially lower material costs.
  3. On-Demand Production: 3D printing enables on-demand production, allowing manufacturers to produce parts as needed, reducing inventory costs and the risk of overproduction. This just-in-time manufacturing approach can streamline supply chains and improve efficiency.

Challenges for Mass Production:

  1. Speed and Throughput: One of the primary challenges of using 3D printing for mass production is its relatively slow printing speed compared to traditional manufacturing methods. While advances in technology have improved printing speeds, it may still not be sufficient for high-volume production.
  2. Cost Considerations: While 3D printing can offer cost savings in certain scenarios, such as reducing the need for tooling and customization, the cost per part can still be higher than traditional manufacturing methods, especially for large production runs.
  3. Material Selection and Properties: The range of materials suitable for 3D printing is continually expanding, but not all materials are suitable for mass production applications. Material properties such as strength, durability, and heat resistance may vary, requiring careful consideration and testing for specific use cases.

Conclusion:

In conclusion, 3D printing continues to revolutionize the manufacturing industry with its versatility, customization capabilities, and potential for on-demand production. While it has made significant strides in applications such as rapid prototyping and low-volume production, its scalability for mass production is still evolving. Despite challenges such as speed, cost, and material limitations, ongoing advancements in technology and process optimization are expanding the possibilities for using 3D printing in mass manufacturing. As researchers, engineers, and manufacturers continue to innovate and overcome these challenges, the future of 3D printing as a mainstream manufacturing method looks increasingly promising. With its ability to create complex geometries, reduce waste, and enable customization, 3D printing is poised to play a significant role in shaping the future of production across industries.

Mastering ReactJS Interview Questions: A Comprehensive Guide

In today’s fast-paced tech industry, ReactJS has emerged as a dominant force in frontend development. As businesses increasingly rely on ReactJS to build dynamic and interactive user interfaces, the demand for skilled ReactJS developers continues to rise. Whether you’re a seasoned React developer or just starting your journey, preparing for ReactJS interviews is crucial for landing your dream job. To help you ace your next interview, let’s delve into some of the most commonly asked ReactJS interview questions along with detailed explanations and best practices.

  1. What is ReactJS, and what are its key features? ReactJS, developed by Facebook, is an open-source JavaScript library for building user interfaces, particularly for single-page applications. Its key features include:
    • Virtual DOM: React creates a lightweight virtual representation of the actual DOM, enabling efficient updates.
    • Component-based architecture: React applications are composed of reusable and composable components, simplifying development and maintenance.
    • JSX (JavaScript XML): JSX allows embedding HTML-like syntax within JavaScript, facilitating the creation of component templates.
    • Unidirectional data flow: React follows a unidirectional data flow, where data flows in a single direction from parent to child components, ensuring predictable state management.
  2. What are the differences between ReactJS class components and functional components? React supports two types of components: class components and functional components.
    • Class components: These are ES6 classes that extend React.Component and have a state. They use the render method to return React elements.
    • Functional components: These are simple JavaScript functions that accept props as arguments and return React elements. With the introduction of React hooks, functional components can also manage state and lifecycle methods, blurring the line between class and functional components.
  3. Explain the concept of state and props in ReactJS.
    • State: State represents the data that a component manages internally. It is mutable and can be updated using the setState() method. State changes trigger re-rendering of the component.
    • Props: Props (short for properties) are immutable data passed from parent to child components. They allow parent components to communicate with their children by passing data as attributes. Props are read-only and cannot be modified within the child component.
  4. What are React hooks, and how do they work?
    React hooks are functions that enable functional components to use state and lifecycle features without writing a class. Some commonly used React hooks include useState(), useEffect(), and useContext(). Hooks allow developers to encapsulate logic and reuse it across multiple components, promoting code reusability and cleaner component structure.
  5. Describe the useEffect() hook and its purpose.
    useEffect() is a React hook used for handling side effects in functional components. Side effects include data fetching, subscriptions, or manually changing the DOM. useEffect() takes two arguments: a callback function containing the side effect logic and an optional array of dependencies. The hook executes the callback after every render unless specified otherwise, thus mimicking the behavior of lifecycle methods like componentDidMount() and componentDidUpdate().
  6. How does React handle forms?
    React provides controlled components to manage form state. In controlled components, form elements like input, textarea, and select are controlled by React state. Changes to the form elements are handled by updating the state, and the input values are controlled by the component’s state. This approach enables React to maintain the single source of truth for form data, making form handling more predictable and manageable.
  7. What are Higher-Order Components (HOCs) in React?
    Higher-Order Components (HOCs) are functions that accept a component as input and return a new enhanced component. HOCs enable code reuse, cross-cutting concerns, and behavior composition in React applications. They are commonly used for tasks such as authentication, logging, and conditional rendering. However, with the advent of React hooks, many use cases of HOCs can be achieved using custom hooks or function components.
  8. How does React Router work, and why is it used?
    React Router is a popular routing library for React applications, allowing developers to create dynamic, single-page applications with multiple views. It provides declarative routing using components like BrowserRouter, Route, Switch, and Link. React Router enables navigation between different components/pages without reloading the entire application, resulting in a smoother user experience similar to traditional multi-page applications.

In conclusion, mastering ReactJS interview questions requires a solid understanding of React’s core concepts, features, and best practices. By familiarizing yourself with these commonly asked questions and their explanations, you’ll be well-prepared to tackle ReactJS interviews with confidence and demonstrate your expertise in building modern web applications with ReactJS.

Happy coding!

5 doable things you can try

  1. Learn a New Recipe: Pick a dish or dessert you’ve always wanted to try making and dedicate some time to learning and cooking it.
  2. Start a Journal: Begin documenting your thoughts, experiences, or daily activities in a journal. It’s a great way to reflect and unwind.
  3. Take a Nature Walk: Spend some time outdoors, either in a nearby park or nature trail, to disconnect from screens and reconnect with nature.
  4. Try a New Hobby: Whether it’s painting, knitting, gardening, or playing a musical instrument, exploring a new hobby can be both rewarding and enjoyable.
  5. Declutter a Space: Choose a room or area in your home that needs organizing and decluttering, then spend some time tidying up and creating a more organized space.

Check : https://doableyo.com

Learn Beautiful Punjabi Language – Lesson 5

Sure! Punjabi is a beautiful language spoken primarily in the Punjab region of India and Pakistan.

Here are some more advanced Punjabi phrases:

  1. What are your future plans? – ਤੁਹਾਡੇ ਭਵਿੱਖ ਦੇ ਯੋਜਨਾਂ ਕੀ ਹਨ? (Tuhade bhavikh de yojna ki han?)
  2. I’m interested in learning about Punjabi culture – ਮੈਂ ਪੰਜਾਬੀ ਸੰਸਕ੍ਰਿਤੀ ਬਾਰੇ ਸਿੱਖਣ ਵਿੱਚ ਰੁਚੀ ਰੱਖਦਾ/ਰੱਖਦੀ ਹਾਂ (Main Punjabi sanskriti bare sikhan vich ruchi rakhta/rakhti haan)
  3. What do you think about current events? – ਤੁਸੀਂ ਮੌਜੂਦਾ ਘਟਨਾਵਾਂ ਬਾਰੇ ਕੀ ਸੋਚਦੇ ਹੋ? (Tusi maujuda ghatnavan bare ki sochde ho?)
  4. Can you recommend any Punjabi literature for me to read? – ਕੀ ਤੁਸੀਂ ਮੈਨੂੰ ਕੋਈ ਪੰਜਾਬੀ ਸਾਹਿਤ ਸਿਫ਼ਾਰਸ਼ ਕਰ ਸਕਦੇ ਹੋ? (Ki tusi mainu koi Punjabi saahit sifars kar sakde ho?)
  5. How do you express your creativity? – ਤੁਸੀਂ ਆਪਣੀ ਰਚਨਾਤਮਕਤਾ ਨੂੰ ਕਿਵੇਂ ਵਿਆਖਿਆ ਕਰਦੇ ਹੋ? (Tusi apni rachnatmakta nu kiven viaakhya karde ho?)
  6. What are the biggest challenges facing Punjabi society today? – ਅੱਜ ਪੰਜਾਬੀ ਸਮਾਜ ਨੂੰ ਸਭ ਤੋਂ ਵੱਡੇ ਚੁਣੌਤੀਆਂ ਕੀ ਹਨ? (Ajj Punjabi samaj nu sabh ton vade chunautiyan ki han?)
  7. How do you see the future of Punjabi language and culture? – ਤੁਸੀਂ ਪੰਜਾਬੀ ਭਾਸ਼ਾ ਅਤੇ ਸੰਸਕ੍ਰਿਤੀ ਦਾ ਭਵਿੱਖ ਕਿਵੇਂ ਦੇਖਦੇ ਹੋ? (Tusi Punjabi bhasha ate sanskriti da bhavikh kiven dekhde ho?)

See you in the next lesson!

Learn Beautiful Punjabi Language – Lesson 4

Sure! Punjabi is a beautiful language spoken primarily in the Punjab region of India and Pakistan. Here are some slightly more advanced Punjabi phrases:

29. What’s the weather like today? – ਅੱਜ ਦਾ ਮੌਸਮ ਕਿਵੇਂ ਹੈ? (Ajj da mausam kivein hai?)

30. Can you recommend a good restaurant? – ਕੀ ਤੁਸੀਂ ਇੱਕ ਅਚ਼ਾ ਰੈਸਤੋਰਟ ਸਿਫ਼ਾਰਸ਼ ਕਰ ਸਕਦੇ ਹੋ? (Ki tusi ik acha restaurant sifars kar sakde ho?)

31. What’s your favorite Punjabi dish? – ਤੁਹਾਡਾ ਪਸੰਦੀਦਾ ਪੰਜਾਬੀ ਖਾਣਾ ਕੀ ਹੈ? (Tuhada pasandida Punjabi khana ki hai?)

32. I’m learning Punjabi – ਮੈਂ ਪੰਜਾਬੀ ਸਿੱਖ ਰਿਹਾ ਹਾਂ (Main Punjabi sikh raha haan) (for males)

33. I’m learning Punjabi – ਮੈਂ ਪੰਜਾਬੀ ਸਿੱਖ ਰਹੀ ਹਾਂ (Main Punjabi sikh rahi haan) (for females)

34. Can you speak more slowly, please? – ਕੀ ਤੁਸੀਂ ਹੋਰ ਧੀਰੇ ਬੋਲ ਸਕਦੇ ਹੋ, ਕਿਰਪਾ ਕਰਕੇ? (Ki tusi hor dheere bol sakde ho, kirpa karke?)

35. What do you like to do in your free time? – ਤੁਹਾਡੇ ਖਾਲੀ ਸਮੇਂ ਵਿੱਚ ਤੁਸੀਂ ਕੀ ਕਰਨਾ ਪਸੰਦ ਕਰਦੇ ਹੋ? (Tuhade khali samay vich tusi ki karna pasand karde ho?)

Hope this will help you to start learn basics of some phrases starting Punjabi and interacting with Punjabi Friends!

See you in the next lesson!

Learn Beautiful Punjabi Language – Lesson 3

Sure! Punjabi is a beautiful language spoken primarily in the Punjab region of India and Pakistan. Here are some more Punjabi phrases for your this lesson

  1. Where are you from? – ਤੁਸੀਂ ਕਿੱਥੋਂ ਹੋ? (Tusi kithon ho?)
  2. What do you do for a living? – ਤੁਸੀਂ ਕਿੰਮਤੀ ਕੰਮ ਕਿੰਨਾ ਕਰਦੇ ਹੋ? (Tusi kimati kam kinna karde ho?)
  3. Can you help me? – ਕੀ ਤੁਸੀਂ ਮੇਰੀ ਮਦਦ ਕਰ ਸਕਦੇ ਹੋ? (Ki tusi meri madad kar sakde ho?)
  4. What are you doing? – ਤੁਸੀਂ ਕੀ ਕਰ ਰਹੇ ਹੋ? (Tusi ki kar rahe ho?)
  5. I’m lost – ਮੈਂ ਹਾਰ ਗਿਆ ਹਾਂ (Main haar gaya haan)
  6. How do you say… in Punjabi? – ਪੰਜਾਬੀ ਵਿਚ… ਕੀ ਕਹਿੰਦੇ ਹਨ? (Punjabi vich… ki kehnde han?)
  7. It’s delicious! – ਇਹ ਬਹੁਤ ਸਵਾਦਿਸ਼ਟ ਹੈ! (Eh bahut swadisht hai!)
  8. I’m tired – ਮੈਂ ਥੱਕ ਗਿਆ ਹਾਂ (Main thak gaya haan)
  9. Do you speak English? – ਕੀ ਤੁਸੀਂ ਅੰਗਰੇਜ਼ੀ ਬੋਲ ਸਕਦੇ ਹੋ? (Ki tusi angrezi bol sakde ho?)
  10. I need help – ਮੇਰੀ ਮਦਦ ਚਾਹੀਦੀ ਹੈ (Meri madad chahidi hai)

Hope this will help you to start learn basics of some phrases starting Punjabi and interacting with Punjabi Friends!

See you in the next lesson!

Learn Beautiful Punjabi Language – Lesson 2

Sure! Punjabi is a beautiful language spoken primarily in the Punjab region of India and Pakistan. Here are some more basics Punjabi phrases:

10. Please – ਕਿਰਪਾ ਕਰਕੇ (Kirpa karke)

11. What is your name? – ਤੁਹਾਡਾ ਨਾਂ ਕੀ ਹੈ? (Tuhada naam ki hai?)

12. My name is… – ਮੇਰਾ ਨਾਂ… ਹੈ (Mera naam… hai)

13. How much does this cost? – ਇਸ ਦਾ ਕਿੰਮਤ ਕੀ ਹੈ? (Is da kimat ki hai?)

14. Where is the bathroom? – ਬਾਥਰੂਮ ਕਿੱਥੇ ਹੈ? (Bathroom kithe hai?)

15. I love you – ਮੈਂ ਤੁਹਾਨੂੰ ਪਿਆਰ ਕਰਦਾ/ਕਰਦੀ ਹਾਂ (Main tuhanu pyaar karda/kardi haan)

16. What time is it? – ਕਿਹੜੇ ਸਮੇਂ ਹੈ? (Kehde samay hai?)

17. I’m sorry – ਮੈਂ ਮਾਫ਼ੀ ਚਾਹੁੰਦਾ/ਚਾਹੁੰਦੀ ਹਾਂ (Main maafi chahunda/chahundi haan)

18. Congratulations! – ਮੁਬਾਰਕਾਂ! (Mubarkan!)

Hope this will help you to start learn basics of some phrases starting Punjabi and interacting with Punjabi Friends!

See you in the next lesson!

Learn Beautiful Punjabi Language – Lesson 1

Sure! Punjabi is a beautiful language spoken primarily in the Punjab region of India and Pakistan. Here are some basic Punjabi phrases to get you started:

1. Hello – ਸਤ ਸ੍ਰੀ ਅਕਾਲ (Sat Sri Akaal)

2. How are you? – ਤੁਸੀਂ ਕਿਵੇਂ ਹੋ? (Tusi kivein ho?)

3. Good morning – ਸ਼ੁਭ ਸਵੇਰ (Shubh Savere)

4. Thank you – ਧੰਨਵਾਦ (Dhanvaad)

5. Yes – ਹਾਂ (Haan)

6. No – ਨਹੀਂ (Nahi)

7. Excuse me – ਮੁਆਫ ਕਰੋ (Muaaf karo)

8. I don’t understand – ਮੈਂ ਨਹੀਂ ਸਮਝਾ (Main nahi samjha)

9. Goodbye – ਅਲਵਿਦਾ (Alvida)

Hope this will help you to start learn basics of some phrases starting Punjabi and interacting with Punjabi Friends!

See you in the next lesson!

What to do when NEXTJS gives error Request is not defined

Hello,

Here is the simple solution when u get error while running nextjs on localhost or through CLI.

You will be pointing to the old node version or new which is not compatible with the current version of Nextjs you might be using.

So switching the node version to the supporting NextJS will fix the run time issue on localhost.

Thanks for learning.

Happy Learning