Differences between Functional Components and Class Components in React

     In React, there are two main ways to create a component: a functional component and a class component. Both have their own set of advantages and disadvantages, and the decision of which one to use can depend on the project's specific needs.

    A functional component is a simple JavaScript function that takes in props (properties) and returns a React element. It does not have access to the component's lifecycle methods or state and is generally considered a "dumb" component that only renders based on the props it receives. This makes functional components very easy to understand and test, as they have a single responsibility and are less prone to side effects.

     Here is an example of a functional component that takes in a name prop and renders it:

Fig:1 code for the functional component

On the other hand, a class component is a more traditional JavaScript class that extends React component. It has access to the component's lifecycle methods and state, which allows for more complex logic and behavior. Class components are considered "smart" components that can handle more advanced functionality, such as fetching data or handling user input.

Here is an example of a class component that takes in a name prop, stores it in state, and renders it:

Fig:2 code for the class components

One of the main advantages of functional components is that they are typically easier to understand and reason about than class components. They have a single responsibility: to render based on the props they receive. This makes it easier to identify what a component does and how it should be tested. Also, functional component is more optimized than class component as they are generally easier to optimize and are less prone to performance issues. 

Another advantage of functional components is that they are less verbose than class components. This makes them easier to write and maintain, especially for simple components that do not need to handle state or lifecycle methods. They are also easier to test as they are just pure functions and do not have any lifecycle methods to test. 

On the other hand, class components have access to the component's lifecycle methods and state, allowing for more complex logic and behavior. This makes them a better choice for components that need to handle advanced functionality, such as fetching data or handling user input.

Fig:3 Differences between Functional Components and Class Components

Class components also have a built-in way of handling state changes, through the setState method. This makes it easy to update the component's state and ensures that the component re-renders when the state changes. This can be a bit more difficult to achieve with functional components, as they do not have access to the component's lifecycle methods or state.

One of the main disadvantages of class components is that they can be more difficult to understand and reason about than functional components. They have more complex logic and behaviour, which can make it harder to identify what a component does and how it should be tested.

Another disadvantage of class component is that they are less optimized than functional component. They are generally harder to optimize and are more prone to performance issues. This is because class component are more complex and have more methods, which can add extra overhead to the component's lifecycle.

Bapuji Nayak- Tech Neutron

CSS position property

     The CSS position property is a powerful tool for positioning elements on a web page. It allows you to control the layout of elements by specifying their position within the document flow. The position property has four possible values: static, relative, absolute, and fixed.

Diagram 1: Types of position property

    The default value for the position property is static. Elements with a static position are not affected by the position property and remain in their default position within the document flow. This means that they will appear in the order they were written in the HTML document and will be affected by margins, padding, and other layout properties.

    Relative positioning allows you to position an element relative to its default position in the document flow. This means that you can use the top, right, bottom, and left properties to specify the distance an element should be moved from its default position. For example, if you want to move an element 20 pixels to the right and 10 pixels down from its default position, you would use the following CSS:

Diagram 2: code for relative position

Absolute positioning allows you to position an element relative to its nearest positioned ancestor. If there is no positioned ancestor, the element will be positioned relative to the initial containing block, which is the HTML element. Elements with an absolute position are taken out of the document flow, meaning they won't affect the layout of other elements on the page.

Diagram 3: code for absolute position

    In the example above, the #child-element will be positioned 10 pixels down and 20 pixels to the right of the #parent-element. If #parent-element had not been given a position of relative, the #child-element would have been positioned 10 pixels down and 20 pixels to the right of the initial containing block.

    The final value is fixed position, which is similar to absolute positioning, but it positions an element relative to the viewport, which means it will always stay in the same place on the screen, regardless of scrolling.

Diagram 4: code for fixed position

    In the example above, the #element will be positioned 10 pixels down from the top of the viewport, and 20 pixels from the right of the viewport, and it will remain there when the page is scrolled. 

    You can also use the z-index property in combination with the position property to control the stacking order of elements. The z-index property takes a positive or negative integer value and controls the stack level of an element. Elements with a higher z-index value will be stacked on top of elements with a lower z-index value.

Diagram 4: z-index 

In conclusion, the position property in CSS is a powerful tool for controlling the layout of elements on a web page. By specifying the position property, you can control the default position of elements in the document flow, as well as their position relative to other elements. This allows you to create complex, flexible layouts that adapt to different screen sizes and devices. With the use of a combination of top, bottom, left, right, and z-index you can achieve all your layout-related needs. Test your layout with different devices and browsers to ensure cross-compatibility is always a good practice.

BapuJi Nayak - Tech Neutron

 

Actual DOM Vs Virtual DOM

 

The Document Object Model (DOM) is a programming interface for HTML and XML documents. It represents the structure of a document as a tree-like hierarchy, with the topmost element being the root element and each element within the document being a child or descendant of the root element. The DOM allows developers to access and manipulate the content, structure, and style of a document programmatically.

Diagram 1: DOM

The virtual DOM, on the other hand, is a lightweight in-memory representation of the DOM that is used by certain JavaScript libraries and frameworks to optimize the performance of updates to the actual DOM. The virtual DOM works by diffing the previous virtual DOM tree with the new virtual DOM tree, identifying the minimum number of changes that need to be made to the actual DOM in order to reflect the changes made to the virtual DOM.

One of the main benefits of using the virtual DOM is that it reduces the number of DOM manipulation operations that need to be performed, which can be expensive in terms of performance. When an update to the DOM is made, the entire DOM tree needs to be traversed and re-rendered, which can take a significant amount of time depending on the size and complexity of the DOM tree. By using the virtual DOM, developers can make multiple updates to the virtual DOM without incurring the performance cost of updating the actual DOM until the final virtual DOM tree has been fully constructed.

Diagram 2: VIRTUAL DOM

Another benefit of the virtual DOM is that it allows developers to write declarative code, rather than imperative code. Imperative code is code that specifies exactly how to perform an action, while declarative code is code that specifies what to do, without specifying how to do it. With the virtual DOM, developers can specify what changes they want to make to the DOM, without having to worry about how those changes will be implemented. This can make the code easier to read and understand, as well as easier to maintain.

There are also a number of other benefits to using the virtual DOM, including:

•          Improved performance: As mentioned earlier, the virtual DOM can significantly improve the performance of updates to the actual DOM by reducing the number of DOM manipulation operations that need to be performed.
•          Improved scalability: The virtual DOM can scale more easily than the actual DOM, as it can handle large numbers of updates without incurring a performance penalty.
•          Improved maintainability: The virtual DOM can make it easier to maintain code, as it allows developers to write declarative code that is easier to read and understand.
•          Increased complexity: The virtual DOM can add an additional layer of complexity to an application, as it requires developers to think about both the actual DOM and the virtual DOM.
•          Increased memory usage: The virtual DOM requires additional memory to store the in-memory representation of the DOM, which can impact the overall performance of an application.

 

Overall, the virtual DOM is a powerful tool that can significantly improve the performance and maintainability of an application. While it does have some potential drawbacks, the benefits of the virtual DOM generally outweigh the costs, making it an important tool in the toolkit of any modern JavaScript developer.

     Bapuji Nayak- Tech Neutron

React Vs Angular

     React and Angular are two of the most popular JavaScript libraries for building web applications. Both are highly effective tools that can help developers create fast, modern, and scalable applications, but they have some key differences that make them more suited to certain types of projects.

    One of the main differences between React and Angular is their approach to building user interfaces. React is a library for building reusable UI components, while Angular is a full-featured framework that provides a complete set of tools for building web applications. This means that Angular offers a more comprehensive solution for developers, but it also means that it can be a more complex and opinionated framework to work with. 

    Another key difference is the way that the two libraries handle data binding. In React, data is passed down the component hierarchy using a unidirectional flow, which makes it easy to understand how changes to the data will affect the UI. Angular, on the other hand, uses two-way data binding, which can make it easier to build certain types of applications, but can also make it harder to debug and maintain as the application grows.

    React is often seen as more flexible and lightweight than Angular, making it a good choice for developers who want to build custom solutions or are working on smaller projects. It's also a popular choice for developers who want to use a functional programming style, as it allows them to use techniques such as pure functions and immutable data structures. Conversely, Angular is a more opinionated framework that provides a set of pre-defined solutions for common web development tasks. This can make it easier for developers to get up and running quickly, but it can also mean that it's harder to customize the framework to fit the needs of a specific project.

    In terms of performance, both React and Angular are highly efficient and can be used to build fast modern applications. React uses a virtual DOM (Document Object Model) to optimize updates to the UI, which can make it faster than Angular in some cases. Angular also has several performance optimization techniques, such as ahead-of-time compilation and lazy loading, which can help developers build efficient applications.

    Overall, both React and Angular are powerful tools that can be used to build high-quality web applications. The choice between the two will depend on the project's specific needs and the development team's preferences. React may be a better choice for developers who want a lightweight, flexible solution, while Angular may be a better choice for those who need a comprehensive, full-featured framework.

Bapuji Nayak - Tech Neutron

Front End VS Back End Development

     When it comes to web development, the terms "front end" and "back end" refer to the two distinct parts of the development process. The front end, also known as the client side, is the part of the web application that users interact with. It is the visual aspect of the application and includes the layout, design, and user interface. The back end, also known as the server side, is the part of the web application that handles the behind-the-scenes functionality. It is responsible for storing and organizing data, as well as processing and responding to user requests.

Front End Development

Front-end development involves the development of the user interface of a web application. It is concerned with the look and feel of the application and is responsible for creating the visual elements that users interact with. Front-end developers use HTML, CSS, and JavaScript to build the user interface of a web application.

·         HTML (HyperText Markup Language) is the standard markup language for creating web pages. It is used to structure and format the content of a web page, including text, images, and other media.

·         CSS (Cascading Style Sheets) is a stylesheet language used for describing the look and formatting of a document written in HTML. It is used to control the appearance of elements on a web page, such as font, color, and layout.

·         JavaScript is a programming language that is commonly used to add interactivity to web pages. It is used to create dynamic effects, such as animations and form validation, and to handle user events, such as clicks and hover actions.

 

Front-end developers are responsible for ensuring that the user interface of a web application is visually appealing and easy to use. They work closely with designers to create a cohesive look and feel for the application, and they use HTML, CSS, and JavaScript to implement the design.

 

Back End Development

Back-end development involves the development of the server side of a web application. It is concerned with the functionality of the application and is responsible for storing and organizing data, as well as the processing and responding to user requests. Back-end developers use server-side languages, such as PHP, Ruby, or Python, to build the back end of a web application.

·         PHP (Hypertext Pre-processor) is a server-side scripting language that is commonly used for web development. It is used to create dynamic web pages and can be embedded into HTML.

·         Ruby is a programming language that is often used for web development. It is known for its simplicity and flexibility, and it is often used in conjunction with the Ruby on Rails framework.

·         Python is a programming language that is commonly used for web development, scientific computing, and artificial intelligence. It is known for its simplicity and readability.

Back-end developers are responsible for ensuring that the back end of a web application is efficient and scalable. They work with databases to store and organize data, and they use server-side languages to process and respond to user requests. They also work with front-end developers to ensure that the front end and back end of the application are integrated and work seamlessly together.

Conclusion

Front-end and back-end development are two distinct parts of the web development process. Front-end development is concerned with the user interface of a web application and involves the use of HTML, CSS, and JavaScript. Back-end development is concerned with the functionality of the application and involves the use of server-side languages, such as PHP, Ruby, or Python. Both front-end and back-end developers are crucial to the development of a successful web application, and they work together to create a cohesive and functional product.

Bapuji Nayak- Tech Neutron

Are customer reviews important to business?

    A customer is generally defined as a person who buys a good, product, or service. More specifically, customers are people or businesses currently purchasing, have purchased, or may be interested in purchasing a product or service from another individual or company.

CUSTOMER REVIEW :

A customer review is an evaluation of a product or service made by someone who has purchased and used, or had experience with, a product or service. Customer reviews are a form of customer feedback on electronic commerce and online shopping sites.

WHY CUSTOMER REVIEW IS IMPORTANAT FOR A BUSINESS?

Customer reviews are important because they set you up for success. Consider that 88% of potential customers trust reviews as much as personal recommendations from friends. Collecting customer reviews about the level of the service you provide and responding to the valuable feedback of your customers, but let’s take a step back to some reasons that highlight the importance of getting customer reviews for your business.

1. Better Understand your Customers Analyzing reviews left by your customers, helps your company understand overall customer satisfaction, as they can provide your business with feedback regarding what your customers truly want. 

2. Improve Customer Service By using this insightful information as input, you will be able to improve customer service by quickly and efficiently resolve the issues that consumers faced, thereby creating a positive experience for the consumer and keeping your focus on their needs. 

3. Consumers are doing your Marketing for You Positive online business reviews are worth a great deal and can offer your business benefits that a simple marketing campaign can’t. A constant positive image to potential customers and creating continual brand awareness that benefits the business for both the short and the long term. 

4. Reviews Generate More Reviews When a business has already received online reviews, it encourages other visitors to leave their own feedback. Just the appearance of several reviews seems to be enough to give new customers the incentive and confidence to submit their own opinion on a particular product or service. Online customer reviews appear to be a great avenue for grabbing consumer’s attention and increasing sales.

The benefit of customer reviews 

1. Free advertising and content for your business on another website. 

2. Improved customer trust and confidence in your business. This is particularly important for specialist retailers as it can provide an edge over competitors who do not use customer reviews. 

3. Potential conversion rate increases due to improved trust and confidence. 

4. Potential search engine results rankings improvement. Search engines take the number of appearances of business names into account when generating results rankings. This is increased through posts containing your business name. 

5. Improved customer credibility by allowing contrary reviews. 

6. Reduction in complaints and returns as customers can see any negative points about products before purchasing. 

7. The ability to highlight areas for improvement in your order process.

Many business owners would be unsure about allowing negative reviews to be published about their company. It is important to note that if you continue to improve your order process and communication with customers, the pros of using online customer reviews for both service and products can potentially greatly overcome the cons.

Sonali Subudhi 

               - Tech Neutron 

TALK ABOUT COMPETITION

 WHAT IS COMPETITION?

    Competition is a contest between individuals, groups, nations, animals, etc. for territory, a niche, or a location of resources. It arises whenever two or more parties strive for a goal which cannot be shared. Competition occurs naturally between living organisms which co-exist in the same environment.

BUSINESS COMPETITION

    Healthy completion is often a great way for organizations to motivate themselves and their employees to strive for excellence. There are several types of business competition, and each has an important part in increasing customer satisfaction, promoting innovation and revealing marketplace advantages. As a marketing, sales or advertising professional, understanding competition in business may help you improve your efforts and maximize your success.

    “Business competition is the contest between organizations that provide similar products or services or that target the same audience of consumers. Businesses compete to convert and retain customers, increase revenue and gain more market share.”

    A high amount of business competition may be a sign of a healthy, profitable marketplace and often enhances the overall quality of available products and services by encouraging organizations to improve their operations, fulfill the needs of their customers and develop their client relationships.

Types of competition in business:

• Direct competition
• Indirect competition
• Replacement competition

Direct competition : Direct competitors are brands or businesses that sell the same products or services to the same target audience. You can tell if two businesses are in direct competition with each other if:

• They operate within the same industry
• They provide the same or similar products or services
• They target the same audience of consumers
• They satisfy the same customer need
• They use the same channel of distribution
• Indirect competition

Indirect competitors : provide products or services that are not the same but that satisfy the same consumer needs. A great example of indirect competitors would be two different styles of restaurants. You can tell if two businesses are indirect competitors if:

• They operate in the same industry
• They satisfy the same need
• They target the same audience
•  Replacement competition

Replacement competitors : Replacement competitors are brands and businesses that have the ability to completely replace existing organizations by producing new products or services that better satisfy the needs of their target audience. For example, mobile phone manufactures eventually replaced manufacturers of landline phones because they fulfilled the same need in an improved, more convenient way. You can tell if an organization is a replacement competition if it offers an existing product or service in a new, innovative way the more successfully satisfies the needs of consumers.

BENEFITS OF COMPETITION IN BUSINESS

Competition in business often provides opportunities for brands and businesses to improve the performance of their products and services. Additional benefits of business competition may include:

1. Addressing the needs of customers:

Business competition motivates brands and businesses to fulfill their customer's needs more effectively than their competitors. This promotes organizations to develop their understanding of the needs of their target audience and tailor their offerings to fulfill satisfy their needs. The results of brands and businesses that focus on fulfilling customer needs include higher quality products, the increased value of services and enhanced customer satisfaction.

2. Analyzing strengths and weaknesses:

Business competition may encourage organizations to evaluate their strengths and weaknesses and optimize their strategies based on these findings. This may allow brands and businesses to maximize the talents of their teams and departments, make informed decisions about their marketing and sales strategies and tailor their offerings according to their strengths.

3. Increasing demand:

Business competition is an effective way to increase the demand for a product or service. As more companies invest in their marketing and advertising efforts, consumer demand for their products and services may increase as brand awareness continues to grow. This is beneficial to each competitor involved and may result in increased revenue, higher customer acquisition and retention.

4. Encouraging innovation:

In order to gain an advantage in the marketplace, business competition may encourage organizations to innovate their strategies and improve their products or services in creative, revolutionary ways. This is an important contribution to the continued improvement of goods and services, the advancement of technology products and services and adapting to the changing needs of consumers.

5. Revealing competitive advantages:

Brands and businesses often track and analyze their competitors' performances to gain insight into their business strategy. By studying their competitors' tactics, brands and businesses may be able to reveal their own advantages in the market. This may help organizations better understand the aspects of their business that differentiate them from the competition, and using this information, they may develop strategies that contribute to their success.

6. Promoting business development:

Continued business development may be an important factor in long-term success. Business competition often challenges brands and businesses to continually improve their procedures, analyze the success of their efforts and develop new methods of achieving their objectives. This may help organizations seek continued business development and could contribute to their long-term success.

CONCLUSION

Promoting healthy business competition may help you stimulate the growth and development of your organization, increase the health of the market and promote the success of your products and services. You should consider some tips to promote healthy business competition i.e. understand your competition, make positive connections, demonstrate your uniqueness.

Sonali Subudhi  

        - TechNeutron

What is the MERN stack?

     The MERN stack is a popular stack of technologies for building web applications. MERN stands for MongoDB, Express.js, React, and Node.js. These four technologies form the backbone of a full-stack web application development platform, providing a complete end-to-end solution for developers.

MongoDB is a NoSQL database that stores data in the form of JSON-like documents. It is designed to be flexible, scalable, and easy to use. MongoDB is often used in modern web applications because it can store large amounts of data in a flexible and scalable way, making it easy to work with as the application grows.

 

Express.js is a web application framework for Node.js. It provides a simple and easy-to-use interface for building web applications and APIs. Express.js is lightweight and flexible, making it easy to build scalable web applications.

 

React is a JavaScript library for building user interfaces. It is designed to be fast, efficient, and easy to use. React allows developers to create reusable components that can be easily shared between projects, making it easier to build and maintain complex applications.

 

Node.js is a runtime environment for JavaScript that allows developers to build server-side applications using JavaScript. It is fast, scalable, and easy to use, making it a popular choice for building web applications.

 

    Together, these four technologies form the MERN stack, a powerful platform for building modern web applications.

    

    One of the main advantages of the MERN stack is that it uses a single language, JavaScript, throughout the entire application development process. This means that developers only need to know one language to build a full-stack web application, which can save time and resources. Additionally, the MERN stack is based on open-source technologies, which means that it is free to use and has a large and active community of developers who contribute to its development.

    Another advantage of the MERN stack is its scalability. As a web application grows, the MERN stack is designed to handle the increased load and complexity. MongoDB can store large amounts of data in a flexible and scalable way, while Node.js can handle a large number of concurrent connections, making it easy to build scalable web applications.

 

    The MERN stack is also easy to learn and use. All four technologies in the stack are well-documented and have a large and active community of developers who contribute to their development. This means that there is a wealth of resources and support available for developers who want to learn the MERN stack.

    In conclusion, the MERN stack is a powerful and popular platform for building modern web applications. Its use of a single language, JavaScript, throughout the entire development process makes it easy to learn and use, while its scalability and flexibility make it well-suited for building complex and scalable web applications. If you are a developer looking to build modern web applications, the MERN stack is worth considering.

BapuJi Nayak- TechNeutron

How Business Grow with Video Marketing?

 

    The practice of producing and advertising films with the aim of attaining particular commercial objectives, such as raising brand awareness or generating leads, is known as video marketing. When used effectively, video marketing can be a very effective strategy for expanding your business.      

    It is a fantastic approach to engage your audience and demonstrate to them the values of your business. It can be used to establish a rapport with customers, advertise goods or services, or even to give instructions or tutorials!

    Imagine a scenario in which you interact personally with each of your clients. where movies draw in their interest and retain it long enough for them to hear what's available or see how something functions before they decide to buy! Everything is doable with video marketing. This forward-thinking strategy incorporates interesting content at every turn, gathers leads by giving them useful information, and produces attention-grabbing viral content!

    Video Marketing According to Wyzowl statistics, 79 percent of people watch at least some of a video they are interested in, and 46 percent watch the entire thing. You may establish connections with many of these potential customers with the right messaging. Utilizing video also has the advantage of generating leads and conversions that other forms of content cannot. When you use video on your website, you can experience an increase in sales of up to 80%. This kind of media not only captures viewers' attention for a longer period of time than text-based information, but it is also more likely to be shared online, which increases the size of your audience. In fact, incorporating video into a content marketing strategy can triple organic site traffic.

    According to recent HubSpot polls, adding videos in your content marketing plan can boost organic traffic by an astounding 80%. This proves that video marketing is no longer a "emerging" form of content promotion. It's available and becoming a more effective approach to tell brand stories, describe value propositions, and interact with potential customers. The most current statistics demonstrate that video material is not only effective but also in high demand. If the data wasn't enough to persuade you, here are the top five arguments in favour of including video in your marketing plan.

 

Videos Marketing Generates Leads And Sales

 

    Take into account the fact that viewers are between 64 and 88 percent more inclined to buy something after seeing a video. Videos are a highly efficient way to drive traffic and generate leads in addition to assisting you in achieving certain company goals.

 

    Videos help people retain information, which is one of the reasons they are so beneficial. Only hearing something will probably result in your customers remembering 10% of it three days later. On the other hand, if what they hear is accompanied by pertinent images, they will remember it on average 65 percent three days later.

The good return on investment that video marketing offers is another crucial feature (ROI). One study even indicated that firms gain $2 back for every $1 they spend on video marketing, which is a ROI that can be embraced by anyone.

People Love Videos

 

    Nobody can dispute that people enjoy viewing videos. With over 1 billion monthly active users, YouTube has surpassed Google to become the second-largest search engine in the world. Additionally, the video will make up 82 percent of all internet traffic, according to Cisco.

 

    When asked which method of learning about a product or service they would prefer, 73 percent of respondents replied watching a brief video. This contrasts with 11% who would like to read a text-based article, website, or post, 4% who would prefer to view an infographic, 3% who would prefer to download an e-book or manual, 3% who would prefer to watch a webinar or pitch, and 3% who would prefer a sales call or demo.

 

    The wonderful thing about videos is that they are very likely to be shared if your audience enjoys them. In fact, compared to other types of material like blog entries, product pages, and social network posts, users are twice as likely to share video content with their friends. More people will notice your brand and message when your videos are shared.

    One of the most common methods for expanding your business today is video marketing. In fact, it's frequently regarded as necessary if you want to succeed online and maintain an advantage in a fiercely competitive market!

 

 

Bapuji Nayak- TechNeutron