There is a unique feature which is named decorators. In simplest analogy, the decorator is the process of decorating an existing thing, place, or gift. Or it can also be understood as adding new functionalities to existing things. There are many definitions that are quite popular for decorators. …

PostgreSQL tricks for copying the existing table into a new table based on different conditions. — In this article, we are going to discuss some tricks for copying the existing table into a new table based on different conditions. Here it goes: How to Copy the Table Structure? Consider a scenario, where you want to copy the table into a new table or you just want…

A guide on how to create a new Python Poetry project in combination with pyenv and how to add Poetry to an existing project. — Pyenv is a Python package that is used to work with multiple projects each requiring different versions of Python in a single machine. For example, project 1 requires Python version 3.6, and project 2 requires Python version 3.10. We have witnessed that Python versions are released very often. In this…

How to use pandas-profiling for data analysis — In the last notebook, we have seen some methods in pandas that can help us in analyzing data. If you have not checked out the last article, you can go and check that article before proceeding here, although it is not mandatory. Here we will discuss another library in Python…

Django middleware is a framework of hooks that allows you to modify the request and response objects during the processing of a web request. Middleware can be used to implement various functionalities in your web application, such as authentication, security, caching, logging, etc. Django provides some built-in middleware components that…

GroupBy is a powerful tool in Pandas that allows you to group your data based on a specific criterion and apply some aggregation functions on each group. However, sometimes you may need to use different aggregated functions on different columns in a single GroupBy statement. Additionally, you may want to…

In data analysis and data science, one of the most important tasks is to summarize and aggregate data to extract insights and patterns. A pivot table is a powerful tool for data aggregation that can quickly transform a large dataset into a compact and informative summary. In Python, Pandas provides…

Pandas is a popular Python library for data analysis and manipulation. It provides powerful tools for working with tabular data, including data structures like Series and DataFrame, and functions for data wrangling, cleaning, merging, and reshaping. One of the most useful tools in Pandas for analyzing tabular data is the…

Pandas is a popular data manipulation library for Python, used extensively for data analysis and exploration tasks. One of its most useful methods is isin(), which allows you to filter rows of a DataFrame or Series based on a set of values. …