What is Try/Except in Python? Python’s try and except keywords are used to ‘catch’ an exception and handle it, preventing it from terminating your program as it normally would. This could be useful in situations where you know there’s potential for an exception to occur, and you want your program to be able to continue … Read more
[toc] Many factors could lead to the error: ‘pip’ is not recognized as an internal or external command. Two of the most common ones are Python’s or pip’s incorrect installation and lacking path in the system environment variables. This tutorial deeply explains the concept of environment variables, system paths, and pip’s way of storing packages … Read more
Learn – How to Fix : “ImportError: Cannot import name X” in Python.
Here’s an error I recently encountered when working with NumPy arrays: If you run the following code, you’ll experience a special ValueError: The output will be this error message: How can you fix this error? I’ll give you a short and a long answer to this question. Let’s start with the short one: Solution: Use … 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
Fix: Prefix the Path String with “r” or Use Double Backslashes “//” or Use Single Forwardslash “\”
All the Python objects like strings, integers, lists, dictionaries, and sets have a hashable property associated with them. Some of the objects are hashable, while others are not. When we say a Python object is hashable, it means the value of that object will remain the same till the end of its life. For example, … Read more
[toc] Understanding the Error Problem Formulation: How to fix or deal with the following error – ” Attempted relative import in non-package”? Let’s say you have been working on your new project, and now you have decided to organize your project files properly. Hence, you move certain functions to another file to make your code … Read more
Learn how to deal wirth Error after upgrading pip: cannot import name ‘main’
Si ejecutas el siguiente código, experimentarás un ValueError especial: El resultado será este mensaje de error: Solución: Usar las funciones de Numpy llamadas logical_and() y logical_or() en lugar de los operadores lógicos de Python (“and” y “or”). Domina los fundamentos y únete al curso “Funciones integradas de Python” aquí: https://academy.finxter.com/university/python-built-in-functions-every-python-coder-must-know/ ¿Por qué se produce el … Read more
[toc] Problem Statement: How to fix “fatal error: Python.h: No such file or directory“? What is a “fatal” error? A fatal error causes a program to end with practically no warning without even saving its state. It usually occurs when an application attempts to access a piece of invalid information or data. The program closes … Read more
Introduction Problem Statement: How to fix “UnicodeDecodeError: ‘utf8’ codec can’t decode byte 0xa5 in position 0: invalid start byte” in Python? Using a specific standard to convert letters, symbols and numbers from one form to another is termed as Encoding. A Unicode character can be encoded using a variety of encoding schemes. The most common … Read more