If you are using Node.js, you can use the package called “ethereumjs-wallet” to generate Ethereum private keys and addresses. This is an official package provided and maintained by the Ethereum JavaScript community. To generate Ethereum addresses, follow these steps: Step…
This tutorial is about Connecting Java to MySQL database using JDBC driver. You may find many tutorials on this topic but most of them show you the code and links to download a driver and install it which is what…
S.O.L.I.D Stands for first five object-oriented design principle by Robert C.Martin. SOLID principles can be used to design and develop extensible and easy-to-maintain software. By using these principles in object-oriented programming developers can create and maintain the codebase very easily.…
Bubble sort is the simplest sorting algorithm in computer science. Bubble sort performs the sorting process by swapping adjacent elements if they’re not in the desired (ascending or descending) order. This process repeats from the beginning of the list of…
In this tutorial, we are going to learn how to read and write JSON to a file in Python using the built-in Python module. We will store our data in the dict object and store it in the file as…
Checking whether a string contains a substring is a basic Python string manipulation operation, but it’s so useful that every single fully-fledged website implements it. For instance, if you signup, you see several prompts suggesting password changes that must contain…
Data is the fuel to the digital world nowadays. The volume of data has been significantly increased. The issue which is faced by the industry is that it is not always structured. Data mining and filtering are required for well-structured…
Bitcoin is the world’s first peer-to-peer electronic cash system. Bitcoin offers anonymity, transparency, and no third-party dependent system to exchange value such as Money. Satoshi Nakamoto invented Bitcoin in 2009, and it’s been hailed as one of the most important…
Atom is one of the most commonly used text editors for writing programs. It is not only light in weight but also offers a large number of features and customizability. It also supports third-party libraries that are super useful. For…
Express is one of the most popular web application frameworks for Node.js, which is used to write backend code for creating web applications up to 10 times faster. It comes with a robust set of features that are really useful…