Welcome to the first post in our series about Ruby on Rails Patterns and Anti-patterns. In each of the posts, we’ll take a deep dive into all sorts of patterns you might come across while working with Rails apps. Today, we’ll show what a (design) pattern is and then try to explain what an anti-pattern is as well. To better illustrate explanations, we will use the Ruby on Rails framework that has been around for quite some time. If Rails isn’t your cup of tea for some reason, hang on, the ideas (or patterns) described here might resonate with whatever technology you wind up using. But before we jump into explaining what patterns and anti-patterns are, how did we get to the point where we need them? Why do we need to have all these things for our software? Why do we need to design our solution? Yes, You Are a Designer Even from early computer programming days, people had to deal with the design of the programs they were writing. To write a program (or software) is to design a solution for a problem. When you write software, you are a designer—feel free to append that to your job title. Designing good solutions is important because the software we write will be read and/or edited by others. Also, the solutions we come up with will be built on by others in the future. Having all this in mind, generations of engineers started seeing similar designs in code and architecture throughout their careers. Folks started extracting and documenting standard solutions to problems. Some would say it’s a natural way...
In this article, we are going to explore the lifecycle methods of ReactJS. But, before moving ahead to React’s different lifecycle methods, we should understand what it is.As we know, everything in this world follows a cycle (say humans or trees). We are born, grow, and then die. Almost everything follows this cycle in its life, and React components do as well. Components are created (mounted on the DOM), grow by updating, and then die (unmount on DOM). This is referred to as a component lifecycle. There are different lifecycle methods that React provides at different phases of a component’s life. React automatically calls the responsible method according to the phase in which the component is. These methods give us better control over our component and we can manipulate them using these methods.At present, we know what lifecycle methods are and why they are important. So what are these different methods? Let’s have a look into them. Lifecycle Methods A component’s lifecycle is broadly classified into four parts: initialization mounting updating, and unmounting. Let’s discuss the different lifecycle methods that are available at these different phases (i.e., initialization, mounting, updating & unmounting). Initialization This is the phase in which the component is going to start its journey by setting up the state (see below) and the props. This is usually done inside the constructor method (see below to understand the initialization phase better). class Initialize extends React.Component { constructor(props) { // Calling the constructor of // Parent Class React.Component super(props); // initialization process this.state = { date : new Date(), clickedStatus: false }; } Mounting The name is self-explanatory....
With rapid speed, the mobile app development industry is encountering innovative and crucial changes because of the rise of different modern technologies. And IoT (Internet of Things) is one of such technologies. IoT has arrived in recent years. And now, people from sectors like healthcare, retail, agriculture, and more are enjoying IoT solutions. IoT can aid communication and interaction at every level. The rising demand for such apps and ease of utilization are two basic factors why IoT app development services are growing. According to the statistics, in 2030, It is predicted that there will be approx 25.44 billion IoT connected devices. Here, in this blog, let’s discuss how IoT is the future of mobile app development. However, to understand that properly, let’s first know this technology in brief! What is IoT (Internet of Things)? IoT technology is the network of physical things that are developing at a rapid rate. Due to IoT, an IP address, the fundamental of every mobile application, has become stronger. Undoubtedly, this technology has brought the connectivity we always dreamt of. In simple words, the IoT is one of the modern technologies that help us with nearly every aspect of life. Hence, everything that has internet access can be connected by IoT. For this reason, this technology helps us control our daily-use devices, even if we are not present at home. IoT has made a meaningful effect on the app development industry, as the data sharing between gadgets makes sure a smooth user experience. Improved visibility obtained from the data sharing has been a result that has considerably improved the mobile apps’ quality in...
In early March, Recorded Future’s Insikt Group published a report titled China-Linked Group RedEcho Targets the Indian Power Sector, which detailed China’s targeting of ten different Indian organizations within the energy sector, specifically the power generation and transmission sector and two from the maritime sector. In the Insikt Group assessment, there are “significant concerns over pre-positioning of network access to support China’s strategic objectives.” It is within this context of Indo-Sino relations that a bit of geographic realpolitik is in order. Indo-Sino Relations India and China peacefully (mostly) share thousands of miles of border amidst the world’s most inhospitable terrain, nestled in the Himalayan mountain range. The last shooting war between the two nations occurred in 1962, and resulted in a good chunk of the border declared in dispute; a mutually agreed upon “Line of Actual Control” was created. These nuclear nations saw their peaceful coexistence evaporate in June 2020 when Chinese troops attacked an Indian patrol within the disputed area in the Galwan Valley of India’s Sikkim state. This attack can only be described as a bare-knuckle brawl – fists, stones and nail-studded bamboo poles were used. When the dust settled, more than 20 Indian soldiers had died, including the Indian commanding officer of the patrol, who was pushed off the mountainside to his death. In the ensuing months, troop buildups have occurred on both sides, and the low-intensity conflagrations, which have consisted of shouting matches and stone throwing, have also escalated. The trigger for the Indo-Sino disputes finds its root in infrastructure. China blames India for triggering the June 2020 incidents by building a new road to...
Cybersecurity is a combination of technologies, processes, and practices customized to protect networks, devices, programs, and data from unauthorized access resulting in damage. Cybersecurity is also known as information technology security. Cybersecurity helps to protect the confidentiality and integrity of computer systems, networks, and data. The main aim of cybersecurity is to protect organizational assets from external or internal threats. An efficient cybersecurity system requires multiple efforts across all the information systems of an organization. Introduction Cyberattacks are not new. Many well-known incidents have occurred in the past such as the attack on the US government of September 11, 2001 and the devastating of Libya’s government in 2011. Some of the most publicized events which involved cyberattacks are the Stuxnet worm and the Sony PlayStation hack which lead to the leaking of sensitive data about Sony Pictures. Other cyber attacks have been used to disable websites, block users from accessing them, or steal personal data from individuals. Cyber attacks are majorly carried out by a range of groups of hackers, criminals, and governments. These groups may be located in any location on Earth, have advanced technical abilities, and may be motivated by the money, political goals, or ideological goals. What is cybersecurity? Cybersecurity can be defined as ensuring the protection of information systems from data breaches, cyber threats, cyber attacks, cyber criminals and cyber terrorists. Cyber security market has a number of solutions and services that the clients can choose from. One of the major market segments that includes computer network attack, ethical hacking, penetration testing, advanced threat protection, managed security services, asset and application security, authentication and encryption,...
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