Downloadable Excel reports
Creating downloadable Excel reports is a common functionality in many applications, enabling users to export data for offline analysis, reporting, and sharing. Whether you’re working with a web application, a….
Tag: Python
QR code generation for portal items
QR codes (Quick Response Codes) are a type of matrix barcode that can store data and be scanned using a mobile device’s camera. In a portal or web application, QR….
Creating a retry mechanism for failed requests
When making API calls, failures due to network issues, server errors, or timeouts are common. A retry mechanism helps improve reliability by automatically retrying failed requests. 1. Understanding Retry Mechanisms….
Memory overflow when loading large datasets
Dealing with large datasets in Python can be challenging, especially when memory overflow occurs. This issue happens when the dataset exceeds the available RAM, causing the system to slow down….
KeyError: column not found in DataFrame
In Pandas, a KeyError: column not found in DataFrame occurs when you try to access a column that does not exist in a DataFrame. This error commonly happens due to:….
Incorrect function argument ordering
In Python, functions accept different types of arguments, such as positional arguments, keyword arguments, default arguments, and variable-length arguments. The order of function arguments is crucial for proper execution. Incorrect….
Not Handling Exceptions Properly in Python
Exception handling is crucial in Python programming to prevent unexpected crashes. Without proper handling, errors like division by zero, file not found, or invalid input can stop execution abruptly. In….
Copying a list using assignment instead of copy()
In Python, lists are mutable, meaning their contents can be changed. A common mistake occurs when you try to copy a list using assignment (=) instead of using the copy()….
Using incorrect indentation inside loops
Python relies heavily on indentation to define blocks of code. Unlike other languages that use {} (curly braces), Python uses whitespace (spaces or tabs) to determine where a block of….
Overwriting built-in functions
Python provides a rich set of built-in functions like sum(), max(), min(), list(), dict(), print(), and many more. These functions are essential for performing fundamental operations. However, accidentally overwriting built-in….