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Articles on Trending Technologies
Technical articles with clear explanations and examples
ReactJS – Cleaning up with useEffect hook
In this article, we are going to see how to clean up the subscriptions set up in the useEffect hook in the functional component.Once the effects are created, then they are needed to be cleaned up before the component gets removed from the DOM. For this, cleaning up effect is used to remove the previous useEffect hook’s effect before using this hook of the same component again.SyntaxuseEffect(()=>{ return ()=>{} } ,[]);ExampleIn this example, we will build a React application which displays the coordinates of the mouse pointer when it is moved over the screen. For this to implement, we ...
Read MoreWhat is Scalability Testing?
What is Scalability Testing and Learn with ExampleA system/application must have the capability to function flawlessly under excessive load. Scalability testing features the process where the efficiency of a system is tested based on a growing number of user requests, data volume, transactions, and user traffic. The developers identify the points where the system stops responding to changes and dig deeper to find its reasons.Salient features of Scalability TestingIt tells you how the application behaves under heavy loadIt let you know the limitation of the app in terms of user experienceIt helps you determine the efficiency and limits of the ...
Read MoreWhat is a Backdoor Attack?
Cybercriminals use numerous ways to take advantage of the vulnerabilities in the operating system or applications to infiltrate the device or network. One such method is using the Backdoor Attack.In this post, we would discuss what Backdoor Attack is, its types, and how to stay safe from Backdoor Attacks.What is a Backdoor Attack?In cybersecurity terms, a Backdoor Attack is an attempt to infiltrate a system or a network by maliciously taking advantage of software's weak point.Backdoors allow the attackers to quietly get into the system by deceiving the security protocols and gain administrative access. It is similar to the real-life ...
Read MoreWhat is Attack Vector?
To infiltrate into a system, cybercriminals use different methods; Attack Vector is one of them.In this post, we would know in detail what Attack Vector is, why and how do hackers exploit it, and how to protect your system against Attack Vectors.What is Attack Vector?Atack Vector is a malicious term used for describing the path or the method used by cybercriminals to get entry into a system. It allows the attackers to exploit the vulnerabilities and loopholes to deploy malware and conduct other malicious activities on the system.Once the cybercriminals get an entry into the system using the attack vector, ...
Read MoreImport Files and Images in ReactJS
In this article, we are going to see how to import CSS Files, images and functions defined in other folder to the main App.js file.In React, we need to dynamically import the images from their folder.ExampleIn this example, we will define a project structure with the images and components already defined in the assets and components folder and then we are going to dynamically import them in our main App.js file.Project StructureApp.jsimport React from 'react'; import MyComponent from './components/my -component.js'; import TutorialsPoint from './assets/img.png'; const App = () => { return ( ...
Read MoreHow to use Google Chrome Virus Scanner?
Google Chrome is unarguably the best internet browser across every platform. It provides its users with a large number of advanced features that enhance their web browsing experience. It is fast, feature-rich, and comes with an excellent user interface.Many of you might not be aware of the fact that the Google Chrome browser in the Windows operating system is capable of performing malware scanning on the entire system.Yes, you can detect and remove the virus and other malware from your system using the Chrome Antimalware feature.In this post, we would know how to use the Google Chrome virus scanner to ...
Read MoreHTTP Requests with axios in ReactJS
In this article, we are going to learn how to send and receive Http Responses with axios in a React application.Why Use axios?Automatic conversion of response to JSON formatEasy to use and more secureSetting up global HTTP interceptorsSimultaneous RequestInstalling the modulenpm install axiosORyarn add axiosNpm is the node package manager which manages our React package but yarn is the more secure, faster and lightweight package manager.Sending GET requesthttps://jsonplaceholder.typicode.com/todos/1Jsonplaceholder is a fake API which is used to learn the process of the sending requests.ExampleApp.jsximport React, { useEffect, useState } from 'react'; const App = () => { const [data, setData] = useState(null); const ...
Read MoreHow to remove Malware from Android?
In the modern world, smartphones have become an immovable part of everyone's life. It contains almost everything important to a person, for example, banking apps, navigational apps, utility apps, and more. It is, therefore, more than essential to safeguard smartphones at any cost to protects the owner's privacy.Like computers, Android smartphones can also get infected with malicious programs such as viruses, trojans, spyware, adware, and others. Android malware is mainly intended for stealing sensitive information, misguiding users by showing irrelevant ads, and redirecting them to malicious websites. They can infiltrate the device in many ways; for example, users can install ...
Read MoreHow to use Radium in ReactJS?
In this article, we are going to see how to apply inline styling to a component in a React application.Radium is a popular third package application used to add inline styling and pseudo selectors such as :hover, :focus, :active, etc. to a JSX element.Installing the modulenpm install --save radiumORyarn add radiumNpm is the node package manager which manages our React package but yarn is the more secure, faster and lightweight package manager.ExampleApp.jsximport Radium from 'radium'; import React from 'react'; function App() { const style = { ':hover': { backgroundColor: '#000', ...
Read MoreAgile Software Process and its Principles?
IntroductionIn case of software engineering, the software development takes a major chunk of the whole process. While Software development itself means dividing the whole development into multiple phases such as designing, product management, project management etc., organizations across the world follow various software development methodologies for successful project management.Various methodologies such as Agile methodologies, Waterfall model, DevOps deployment, Rapid application development etc. used by different organizations and all of them have their own share of pros and cons. However it’s the Agile software development methodology, which is widely used across the globe due to its iterative development approach.What is Agile ...
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