❖ Disclaimer: This tutorial considers that you have the basic knowledge of web scraping. The purpose of this article is to educate you on how to rotate proxies and avoid being blocked while web scraping. The examples and theories mentioned in this tutorial are solely for educational purposes and it is considered that you will not misuse … Read more
Do you dream of becoming self-employed? 💡 More than 50% of people in America want to become self-employed and be their own boss. So why don’t they do it? Many people have limiting beliefs regarding becoming self-employed. They fear being forced to file for bankruptcy because of a lack of cash coming in. They fear … Read more
Annual Income How much does a Solidity Developer make per year? The average annual income of a Solidity Developer is between $60,000 and $180,000 with an average of $100,000 per year (source). Here are a couple of example jobs for Solidity engineers: Let’s have a look at the hourly rate of Solidity Developers next! Hourly … Read more
Problem Statement: How to raise (throw) an exception in Python manually? Using raise to Throw Exception in Python You can decide to throw a specific exception manually if a particular condition arises with the help of the raise keyword. As a good practice, you should raise specific exceptions. In the following example, we will raise … Read more
Learn how to append to a file in Python.
The HTML iframe tags are extensively used on a webpage to display advertisements, map locations, results, etc. When we’re scrapping a website, we might have to extract the data from the iframe elements. It is possible to extract the data from the iframe elements. But the way of doing it is slightly different. In this … Read more
Para convertir un número entero i en una cadena con ceros a la izquierda de forma que esté formada por 5 caracteres, utiliza la cadena literal de formato f'{i:05d}’. El indicador d en esta expresión define que el resultado es un valor decimal. Con str(i).zfill(5) se consigue la misma conversión de cadena a un entero … Read more
If we have to work with data in the form of key-value pair we know that the right Python data type (structure) to perform this is a Python dictionary. Below we show a way to define a little python dictionary called “d”. The dictionary keys can be several types of data, but not a list … Read more
You can check out the slide deck here to get a first intuition on how the algorithm works: Before we’ll dive into the algorithm and the Python implementation, let’s first skim over some related graph tutorials you may enjoy and that may help your understanding! Related Graph Tutorials This algorithm is part of our graph … Read more
Overview: Mutable objects are Python objects that can be changed. Immutable objects are Python objects that cannot be changed. The difference originates from the fact the reflection of how various types of objects are actually represented in computer memory. Be aware of these differences to avoid surprising bugs in your programs. Introduction To be proficient … Read more
When we browse through a webpage, we see some blue text with an underline underneath. These are called anchor texts. That’s because when you click on these texts, they take you to a new webpage. The anchor tags, or the <a> tags of HTML, are used to create anchor texts, and the URL of the … Read more
[toc] Problem Statement Create a tuple from user input in Python. Create a set from user input in Python. How to take Set as an Input from the User? Method 1: Using a Set Comprehension Approach: The simplest way to take a set as an input from the user is to use a set comprehension. … Read more