🐍 Question: How to find the index of the median element in a Python list? Something like argmedian()? In case you need a quick refresher, I have written this tutorial on finding the median itself (but not yet its index): 👉 Recommended: 6 Ways to Get the Median of a Python List Solution A multi-liner … Read more
To convert an integer i to a string with leading zeros so that it consists of 5 characters, use the format string f'{i:05d}’. The d flag in this expression defines that the result is a decimal value. The str(i).zfill(5) accomplishes the same string conversion of an integer with leading zeros. Challenge: Given an integer number. … Read more
The easiest way to extract numbers from a Python string s is to use the expression re.findall(‘\d+’, s). For example, re.findall(‘\d+’, ‘hi 100 alice 18 old 42’) yields the list of strings [‘100′, ’18’, ’42’] that you can then convert to numbers using int() or float(). There are some tricks and alternatives, so keep reading … Read more
My goal with this project was to learn how to use the new Large Language Model AI GPT-3 created by OpenAI. I also wanted to know if it could be used in a practical web application. To learn it, I created a website that uses it in two ways. I also recorded this video that … Read more
“I am not interested in hearing ridiculous Utopian rants.” said one reader of yesterday’s Finxter newsletter on my note on declining cost curves and the implied disruptions. I’ll include a screenshot of the email here: 💡 Info: Declining cost curves refer to the trend of production costs decreasing over time as technology and production processes … Read more
Problem Formulation Given a string – sentence. How many words does the string sentence have within it? Examples: INPUT sentence = “Finxter helps you to master Python.” OUTPUT Number of words: 6 INPUT sentence = “””Lorem ipsum dolor sit amet. Consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.””” OUTPUT … Read more
Welcome to another interesting project. In this tutorial, I will show you how I created a 5-1 calculator app using Streamlit and deployed it on Streamlit Cloud. 👉 In my tutorial on creating a readability checker app, I told you guys that Streamlit can be used to create virtually anything within its capabilities. Project Description … Read more
Motion detection algorithms form an important part of a video surveillance system. It can also be coupled with many AI-based human presence and profiling systems. Many applications of motion detection algorithms may be thought of with substantive advantages in saving man-hours, efforts, and storage requirements, that is: Out of my sheer personal experience, which I … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to download an image from the web in Python. To make it more fun, we have the following running scenario: Sven, a Journalist from Greeland, is writing about Glacier Calving. His editor would like photos of iceberg collapses in the area accompanying his article. … Read more
In the first part, we connected the front end with Metamask but couldn’t fetch the balance. Let’s try to fetch the balance from the wallet this time. But first, install the ether.js library to communicate with the smart contract. Import ether.js library to App.js. Now we need to import the contract ABI. 💡 The contract … Read more
Project Scenario In this 2-part series, I’ll show you how I built my own ERC-20 token like ETH in this project. I share this because you may want to do the same and learn from my experience. 👉 Recommended: How I Built My Own ERC-20 Token (2/2) I use Solidity to write a smart contract … Read more
📖 Background Many people like to relax or party with a glass of wine. That makes wine an important industry in many countries. Understanding this market is important to the livelihood of many people. For fun, consider the following fictional scenario: 🍷 Story: You work at a multinational consumer goods organization that is considering entering … Read more