Article
Graphs are one of the most useful data structures. They can be used to model practically everything - object relations and networks being the most common ones. An image can be represented as a grid-like graph of pixels, and sentences can be represented as graphs of words. Graphs are used...
Anđela Niketić
Originating from mathematics, graphs are now widely used data structures in Computer Science. One of the first problems we encounter when constructing any algorithm regarding Graph processing or traversal is how we represent the graph and then, how to traverse that representation. Graph traversal is not a trivial problem, and...
Graphs in Python can be represented in several different ways. The most notable ones are adjacency matrices, adjacency lists, and lists of edges. In this guide, we'll cover all of them. When implementing graphs, you can switch between these types of representations at your leisure. First of all, we'll quickly...
Dimitrije Stamenic
Event handling is a very important concept when trying to make an interactive application. Generally speaking, an event is a signifier of an interaction between a user and our application - clicking, typing on a keyboard, and so on. Interactive and reactive applications are, in essence, built around the concept...
Joel Olawanle
Vue.js is a simple web app framework for creating dynamic web interfaces and Single-Page Apps (SPAs). As we create these apps, oftentimes, we want to render something based on a particular criteria - this is the essence of conditional rendering. Conditional rendering refers to the ability to render distinct...
A graph is a great tool for modeling relationships between objects. Graphs can model complex relationships between any number of objects in a system, which makes them ideal for representing interactions between concepts/items in areas like physics, economics, chemistry. Thanks to constantly increasing computational power, you can manipulate graphs...
Kruskal's algorithm is one of the three most famous algorithms for finding a minimum spanning tree (MST) in a graph. MSTs are widely used to calculate optimal paths in a lot of different fields. From a post-office calculating the optimal path for a postman that needs to cover a certain...
Converting text into a uniform case is a good starting point of any type for text processing. In this article we'll show you how to convert text to lowercase using one of the Pythons' built-in methods used to manipulate strings - str.lower(). From a top-level view, the process is...
Storing passwords securely should be imperative for any credible engineer. Plain text passwords are extremely insecure - you shouldn't even bother considering storing them a plain format. It's enough that someone gains view privileges on a database for an entire user base to be compromised. Passwords must be stored in...
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