Software Engineering

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Programming languages have the notion of constants which means “variables that can not be mutated once declared and initialized”.Go also has almost the same meaning, but in a different context. To initialize a variable as a constant with a value of 10, we can do something like this:$$const DISCOUNT = 10$$In Go, constants mean “storing a literal to a variable”, this can be seen as a version of pattern matching in Erlang.[Literals in go](https://www.phind.com/search?cache=n05row4wk42ocrf4520s6vzm) are constructs that can create an instance of strings, numbers, booleans, composite structures, fun...

Learn how time tracking is implemented from the hardware.Time is a linear monotonically increasing value and to keep track of it, a system has to be powered to take note of every tick. For a microcomputer running an operating system that can go on and off, this means there is a need to constantly update time whenever the computer comes on, but that is not the case because of some intelligent mechanisms that computer hardware and operating systems use to keep track of the current time.## Real-Time ClockA [Real-Time Clock (RTC)](https://en.wikipedia.org/wiki/Real-time_clock) is an electronic har...

Hey Africoders,I'm a web developer who's been primarily working with Javascript for my projects. Recently, I started learning Python as part of my semester workload, and it's been an interesting experience to learn a new language.I'd love to hear from all of you fellow coders: **Python vs. Javascript: Which did you choose as your primary language and why?**For me, Javascript has been my go-to for web development because of its:* **Front-end dominance:** Javascript is king in the browser, allowing for interactivity and manipulation of web pages. Libraries like React and Angular make building co...

In React, events are a way to capture user interactions with your application. They allow you to respond to clicks, key presses, form submissions, and other user actions. This article will cover the basics of handling events in React, including how to prevent default behaviour and pass event data to functions.**Basic Event Handling**You can use the prop on an element to handle an event in React. This prop takes a function that will be called when the event occurs. Here's an example:```function handleClick() {console.log('Button clicked!');}function MyComponent() {return (&lt;button onClick={ha...

<r><p>Whenever possible, break down your code into smaller, reusable functions. This promotes cleaner code and makes testing easier.</p><p>Using components and props well can help with reducing your code.</p><p><img src="https://i.imgur.com/9WU52yF.jpeg" alt="Image preview" class="markdown-image"></p></r>

<r><p>Utilize tools like ESLint and Prettier to enforce code style and catch potential errors early on. Consistent formatting improves readability and collaboration on projects.</p><p><img src="https://i.imgur.com/9WU52yF.jpeg" alt="Image preview" class="markdown-image"></p></r>

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Ever felt buried in props, passing data down layer after layer of components in your React app? The Context API can help ease this situation.**What is it?**Context API is a built-in React feature for sharing data across components without manual prop drilling. It creates a context, a central store for data, that can be accessed by any component within the provider tree.**How does it work?**Imagine a context as a channel. You create a context using `createContext` and define the data it holds. Then, you wrap a part of your component tree with a `Provider`, which injects the data into the channe...

In the ever-evolving landscape of web development, choosing the right tools and frameworks can significantly impact your project's success. ReactJS and NextJS are two of the most popular choices among front-end developers today. Both have their own strengths and ideal use cases, but how do you decide which one to use for your next project? In this post, we’ll compare ReactJS and NextJS to help you make an informed decision.What is ReactJS?ReactJS is a JavaScript library developed by Facebook for building user interfaces, particularly single-page applications. It allows developers to create reu...