Show Line Numbers in Vim
Vim is a powerful text editor that is highly customizable. One of the many things you can customize in Vim is the display of line numbers. In this guide, I … Read more
Programming
How to Fix TypeError: list indices must be integers or slices, not str
As a Python programmer, you may have encountered the “TypeError: list indices must be integers or slices, not str” error message. This error occurs when you try to access a … Read more
Data Type vs Data Structure: What’s the Difference?
Data type and data structure are two fundamental concepts in computer science and programming. Both are used to organize and manipulate data, but they are different. In this article, I … Read more
How to fix Python TypeError: object of type ‘NoneType’ has no len()
When you see the error message “TypeError: object of type ‘NoneType’ has no len()” in Python, it typically means that you are trying to call the built-in len() function on … Read more
How to Initialize a Dictionary in Python
Dictionaries are a built-in data structure in Python that allows you to store and retrieve key-value pairs. You can initialize a dictionary in a few different ways, depending on what … Read more
TypeError: ‘tuple’ object is not callable in Python
Ever come across the ‘TypeError: ‘tuple’ object is not callable” message? This happens when attempting to invoke a tuple as if it’s a function or method. In this article, I’ll … Read more
Python Check If Variable Is None
Python developers may be quite familiar with the powerful None keyword. This special constant conveys a value of nothingness or nullity, indicating that no data is present at that point … Read more
Go vs Python: A Comprehensive Comparison
As a programmer, you have likely come across both Go and Python, two popular programming languages with a lot to offer. But which one is right for your project? In … Read more
How To Fix [Errno 13] Permission Denied in Python
If you’re reading this, chances are you’ve encountered a frustrating error message while trying to run a Python script: “Errno 13 Permission Denied.” This error occurs when you don’t have … Read more
How To Fix ValueError: Could Not Convert String To Float
The Python “ValueError: could not convert string to float” occurs when you try to convert a string value to a float, and the string cannot be appropriately formatted to a … Read more
[Solved] “TypeError: ‘list’ object is not callable” in Python
As a Python developer, I’m sure you’ve encountered an error message at some point in your coding journey. One error message that can be particularly frustrating is the “TypeError: ‘list’ … Read more
How to Fix KeyError: 0 exception in Python
As a Python developer, you may have encountered the “KeyError: 0” exception at some point in your career. This error occurs when you try to access a key in a … Read more
Automation with Bash Scripts
As a system administrator or developer, you might find yourself frequently performing the same tasks over and over again. These tasks might include updating software, managing users, or backing up … Read more
How To Install Ruby On Rails In Windows 10?
As someone who has been working with Ruby on Rails for many years, I’ve had the opportunity to become familiar with installing the framework on various operating systems. In this … Read more
How to Fix Git Error: You Need to Resolve Your Current Index First
If you’ve been using Git for a while, you may have encountered this error message: “error: you need to resolve your current index first.” This error generally occurs when performing … Read more
