To convert a string to a lowercase string in Python, use the string.lower() built-in string method. This returns a lowercase string version. As you read over the explanations below, feel free to watch our video guide about this particular string method: If you want to perform case insensitive matching in languages such as German or … Read more
Problem Formulation Given a list and an element. How to insert the element at the last position of the list? Two Solutions There are two main ways to insert an element at the end of a given list. Use list.append(element) to add the element to the end of the list. This is the most idiomatic … Read more
Article Overview: In a previous post, we discussed the datetime module in Python and used it to iterate through a range of dates. Today, let’s learn how to manage timezones in Python using the datetime module and a third-party package called dateutil. I aim to choose a range of world cities and print the local … Read more
There are two ways to convert a Tensor to a NumPy array: TensorFlow version 2.x — use tensor.numpy() TensorFlow version 1.x — use tensor.eval(session=tf.compat.v1.Session()) Let’s dive into these two methods in greater detail. Method 1: Explicit Tensor to NumPy Array Conversion in TensorFlow 2.x To convert a tensor t to a NumPy array in TensorFlow … Read more
Can you earn money for cryptocurrencies? With the increasing adoption of cryptocurrencies such as Bitcoin, Ethereum, and Cardano, the question naturally arise: can you sell your services for cryptocurrencies BTC, ETH, or ADA instead of USD, EUR, or CHF? The answer is: YES. And it gets better: the main idea of the blockchain is to … Read more
To check your TensorFlow version in your Jupyter Notebook such as Google’s Colab, use the following two commands: import tensorflow as tf This imports the TensorFlow library and stores it in the variable named tf. print(tf.__version__) This prints the installed TensorFlow version number in the format x.y.z. The following code example uses the dunder attribute … Read more
What is the NumPy Library? NumPy is a Python library that allows you to perform numerical calculations. Think about linear algebra in school (or university) – NumPy is the Python library for it. It’s about matrices and vectors – and doing operations on top of them. Get Version Number with np.__version__ To check the NumPy … Read more
What is the Pandas Library? The pandas library provides data structures and functionality to represent and manipulate labelled and tabular data. Think of it as like an advanced spreadsheet program in your code with functionality including—but not limited to: creating spreadsheets, accessing individual rows by name, calculating basic statistics over rows and columns, and summing … Read more
You have the eyes of your mother. One could say, you “inherited” the eyes of your mother. As you may have guessed, this article is about inheritance in Python. Inheritance is one of the most important features of object orientation. It’s a simple and intuitive concept but even advanced coders circumvent using inheritance because they … Read more
What is the Internet Computer? The Internet Computer is blockchain technology and computing infrastructure initiated by the non-profit organization DFinity. Like the public Internet, the Internet Computer is a distributed computing platform consisting of thousands of connected and decentralized servers that host backend software. This idea mitigates the increasing monopolization of Internet services and enables … Read more
Hey Finxters! In my last article, I showed you how to host your Streamlit/Python web app in the cloud on Heroku. Now, perhaps you thought to yourself, that’s very nice but I need my script (not necessarily a web app, by the way) to run twice a week to load this new data at work, … Read more
Problem Formulation: How to insert an element at the first position of a list in Python? Solution: Use the list.insert(0, x) element to insert the element x at the first position 0 in the list. All elements j>0 will be moved by one index position to the right. You create the list [5, 1, 3, … Read more