The diamond_cross() function in Bokeh is a method of the figure class used to create a scatter plot with markers that are diamond-shaped with a cross inside them. This function provides an easy way to customize the appearance of scatter plots. Bokeh is a powerful library for interactive visualization in Python, and diamond_cross() is just […]
Python Program to Find Number of Days Between Two Given Dates
Calculating the number of days between two given dates is a common task in Python. This can be accomplished using the datetime module, which provides classes for manipulating dates and times. Here’s a step-by-step guide to achieve this: 1. Import the datetime Module The datetime module provides the necessary tools to work with dates and […]
Eel in Python
Eel is a Python library that simplifies the process of building simple desktop applications with web technologies. It allows you to create a desktop GUI using HTML, CSS, and JavaScript while leveraging Python for backend logic. This guide will cover the basics of using Eel to create a simple desktop application. 1. Installing Eel You […]
How to Write in a Text File Using Python
Writing to a text file in Python is a common task, and it can be accomplished using various methods provided by Python’s built-in functions. This guide will walk you through the basics of writing to a text file, including appending to a file and handling file paths. 1. Writing to a Text File To write […]
Python KeyError
A KeyError in Python occurs when you attempt to access a dictionary key that does not exist. It is a common exception that indicates the key you’re trying to access is not found in the dictionary. This guide will help you understand the KeyError and how to handle it. 1. Understanding KeyError A KeyError is […]
Remove Multiple Characters from a String in Python
Sometimes, you may need to remove multiple characters from a string in Python. This can be achieved using various methods, such as string translation, list comprehensions, or regular expressions. This guide will explore several approaches to remove multiple characters from a string. 1. Using str.translate() with str.maketrans() The str.translate() method combined with str.maketrans() is a […]
Python Dash Module
Dash is a Python framework for building web applications, particularly suited for creating interactive, data-driven applications. Developed by Plotly, Dash integrates with Plotly’s powerful visualization libraries and provides an easy way to create interactive dashboards with minimal code. This guide will introduce you to the basics of using the Dash module in Python. 1. Installing […]
How to Convert Float to Int in Python
In Python, converting a floating-point number to an integer is a common operation. This conversion can be achieved using several methods, each with its specific behavior. Here’s a guide on how to perform this conversion. 1. Using the int() Function The int() function is the most straightforward way to convert a float to an integer. […]
Principal Component Analysis (PCA) with Python
Principal Component Analysis (PCA) is a dimensionality reduction technique used to simplify datasets while preserving as much variance as possible. It transforms the original features into a new set of features called principal components, which are orthogonal and ordered by the amount of variance they capture. This tutorial will guide you through performing PCA using […]
Connect SQLite with Python
SQLite is a lightweight, disk-based database that doesn’t require a separate server process. It’s an ideal database for small projects, embedded systems, or as a database for testing. Python provides a built-in module, sqlite3, to connect to SQLite databases and perform various database operations. 1. Prerequisites Since sqlite3 is a built-in Python module, there is […]