What Is Screen Scraping?
Data from a website or app can be extracted through a method known as "screen scraping," "web scraping," or "data scraping." Picture yourself at an enormous, free-for-all buffet, where you sneak in a to-go container and start loading it up with your plate. It's similar to "screen scraping," in which data is taken from a website or app without the owner's knowledge or consent. Screen scraping is performed for several reasons, the most common being market research, pricing comparison, and content collection. Similar to sampling a wide variety of foods at a buffet, screen scraping aims to provide users with a comprehensive overview of a given topic. What is the process of screen scraping, then? To begin, an HTTP request is sent to the web page's server. The server then responds with the requested web page in HTML format. Screen scraping software then reads this HTML and extracts the information you need, much like selecting your favourite foods from a buffet. Using web application programming interfaces is a technical part of screen scraping. A web application programming interface (API) allows a website to grant third-party programs access to its features and data. The information you need is conveniently organized in a "to-go" section, like at a buffet. However, not all sites offer web APIs, and even when they do, there may be restrictions on how much information may be retrieved. Screen scraping can be employed to get around these restrictions and get more data. Utilizing a web scraper or bot is another technological part of screen scraping. The term "web scraper" refers to a piece of software developed to gather information from the World Wide Web. A bot is a software designed to automatically carry out repetitive tasks. The best way to see a bot is as a robotic arm at a buffet, helping you avoid waiting in line by getting food for you. Like you might not be allowed to take a to-go container at a buffet, screen scraping can create ethical and legal concerns. Screen scraping isn't permitted on all websites; some even charge you to get their data. Understanding and adhering to a website's terms of service is essential. To "scrape" means to gather information off a computer screen, such as from a webpage or program. It's like grabbing food from a buffet, but instead of taking it home to enjoy later, you're collecting it for analysis. Automation and screen scraping efficiency is achieved through web application programming interfaces (APIs), web scrapers, and bots. Don't break any rules on the sites you're scraping; utilize your newfound scraping skills for good.
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Touch Typing
Touch typing is a way of typing that doesn't require the typist to see what they're doing. It's called "touch" because it's based on muscle memory: you train your fingers to know where to go without looking at the keyboard. You can also do this by feeling around, but it doesn't work either. Touch typing is the best type because it's all about muscle memory you have many muscles in your hands, and they are good at remembering things. So, when you touch type, you can remember where all the keys are without looking at them, and then you can go there whenever you want to type something. It is also possible to remember where some other things are located. For example, I could look over here if I tried to find my phone. That's where it usually is! While we're on the subject: Did you know that if you touch your nose with one hand and your elbow with another hand simultaneously, it feels like someone else is touching both? That's called synesthesia. While teaching typing classes, a court stenographer invented touch typing in Salt Lake City, Utah, named Frank Edward McGurrin, in 1888. The idea is to use a standard QWERTY keyboard with the hands placed at a starting location called the "home row keys. " The home row keys for the left hand are the "ASDF" keys, and are "JKL;" for the right hand. On most modern keyboards, the home keys for each index finger have a raised bar or dot to help the touch typist to maintain and recover the correct position of the fingers on the keyboard quickly without having to look at the keys. Touch typing allows you to type faster by using all ten fingers instead of just two (or three for hunt-and-peck typists). Theoretically, this should make an order without making mistakes easier, but we all know how hard it is to learn something new!
...See MoreWeb of Things (WoT)
Understanding the Web of Things (WoT), the concept can take time and effort. Once you do, it's not so hard at all. The Web of Things (WoT) is a fundamental computing concept that describes a unique future where everyday objects are fully integrated with the Web. The prerequisite for WoT to function is for the "things" to have embedded computer systems that enable seamless communication with the Web. Such that intelligent devices would then be able to easily communicate with each other using existing Web standards. WoT enables users to interact directly with their physical environment through their computers and mobile devices rather than via keyboards, mice or touch screens. By interacting directly with their physical environment, users can control lights, appliances and other devices without using separate remote controls or apps on their phones or computers. In addition to remotely controlling devices in your home, you can view information about those devices through your browser or mobile app. For example, if you wanted to know how much power your refrigerator uses during peak hours on weekdays versus weekend days, you could find out simply by logging into your account on your phone or computer. The Web of Things (WoT) is a subset of the Internet of Things that focuses on software standards and frameworks like REST, HTTP, and URIs. WoT is a development framework for creating applications and services that combine and interact with various network devices. So, you could think of WoT as everyday objects that can access web services. The critical point in contention here is that this doesn't involve the reinvention of the means of communication because existing standards are used. The Internet of Things is more often thrown in the context of radiofrequency identification (RFID) and how every physical object is tied to the Internet and can communicate with each other. Both terms are difficult to define, although they are related in their general theme.
...See MoreSubject-Oriented Programming
Object-oriented programming is a massive part of our lives. You wouldn't even realize it, but it will shape many things you will use eventually. We use it to create apps, websites, and software programs daily. have you ever thought about how we got here? How did people come up with object-oriented programming in the first place? Well, if you're anything like me, then no. You probably have yet to think about this, but it's worth considering! Object-oriented programming is a radical departure from the classical object-oriented approach, in which objects are defined based on their properties and methods. Subject-oriented programming is primarily oriented toward dividing an object-oriented system into subjects. It thus provides a compositional view of the application development process. Have you ever had that feeling when you're not quite sure what to do with your life? You feel like you've been stuck in a rut like there's no way out of your funk, and it's just so hard to figure out where to go next. We are here to tell you, there is a way out! it starts with something called "subject-oriented programming." Subject-oriented programming is about helping you evolve into the person you want to be. It helps to develop applications that can work together cooperatively, sharing objects and jointly helping with execution operations. Subjects are used to form more significant issues by combining their functionalities, so not only will you be able to reuse the functionalities available for subjects in more significant subjects, but those more significant subjects will be more flexible! Plus, if one of the subjects needs some extra functionality added on top of what it already has (like maybe a new feature), all you have to do is compose rules according to composition principles and extend existing applications with new functionality.
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