October 8, 2023
algorithms, Dynamic Programming, Memoization, programming languages, Python, python, Recursion, recursive, teaching kids programming, youtube video
Teaching Kids Programming: Videos on Data Structures and Algorithms We stack glasses in a pyramid, where the first row has 1 glass, the second row has 2 glasses, and …
You can retrieve the balance of an Ethereum address using libraries like web3.js or ethers.js. Check the Balance of a Ethereum Wallet Address Using web3.js First, ensure you have …
A Valid Ethereum Wallet Address Starts with “0x” and is 42 characters long. To check if a given string is a valid Ethereum address, you would typically: Check if …
The simplest method/function to retrieve the latest block number on ETH aka Ethereum Blockchain is via the following method: const Web3 = require('web3'); const getBlockNumber = async() => { …
On Ethereum Blockchain, we need to pay the miner Gas Fee to perform some operations, for example, invoking Smart Contract, or simply transfering ETH. The Gas Fee equals to …
I have a compiled .o file, and how to modify a string constant in it? for example, change “hello” to “HELLO”. Let’s take a look at this simple C …