Found 10784 Articles for Python

How to write Comments in Python3?

Rohan Singh
Updated on 16-Oct-2023 11:33:06

74 Views

In the world of programming, writing clean and understandable code is essential for collaboration, maintenance, and overall software quality. One crucial aspect of achieving code clarity is the appropriate use of comments. Comments provide a means to annotate and explain the code's functionality, making it easier for developers to understand, modify, and debug. In this article, we will explore the importance of comments in Python 3 and dive into various techniques and best practices for writing effective comments. The Purpose of Comments in Python Comments in Python are non-executable lines of text that are ignored by the interpreter. Their primary ... Read More

How to write a simple Flask API for hello world?

Rohan Singh
Updated on 16-Oct-2023 11:30:17

223 Views

Flask is a lightweight web framework written in Python that allows developers to quickly build web applications and APIs. It provides a simple and elegant way to create RESTful APIs with minimal code. In this article, we will walk through the process of creating a simple Flask API that returns a "Hello, World!" message. Prerequisites Before we start, make sure you have the following installed on your machine: Python (version 3.6 or above) Flask (can be installed using pip) Algorithm A generic algorithm for writing any simple Flask API is as follows: Set up ... Read More

How to widen output display to see more columns in Pandas dataframe?

Rohan Singh
Updated on 16-Oct-2023 11:28:37

564 Views

When we work with large datasets in Pandas we often view and analyze data in a tabular format. When dealing with wide data frames containing numerous columns, the default display settings may truncate or hide some columns, making it difficult to fully explore and understand the data. To overcome this limitation, we can widen the output display in Pandas to ensure all columns are visible. In this article, we will discuss various methods and techniques to widen the output display to see more columns. The default Display settings By default, Pandas restricts the number of columns displayed in order ... Read More

How To Visualize Sparse Matrix in Python using Matplotlib?

Rohan Singh
Updated on 16-Oct-2023 11:26:50

880 Views

Sparse matrices are a specialized type of matrix that contain mostly zero values. These matrices are commonly encountered in applications such as graph theory, machine learning, and network analysis. Visualizing sparse matrices can provide valuable insights into the distribution and patterns of non-zero values. In this article, we will understand how to visualize sparse matrices in Python using the popular data visualization library, Matplotlib. Understanding Sparse Matrices A sparse matrix is a matrix in which most of the elements are zero. These matrices are typically large and inefficient to store in memory if all the zeros are explicitly represented. ... Read More

How to verify Pyspark dataframe column type?

Rohan Singh
Updated on 16-Oct-2023 11:22:02

975 Views

PySpark, the Python API for Apache Spark, provides a powerful and scalable big data processing and analytics framework. When working with PySpark DataFrames, it's essential to understand and verify the data types of each column. Accurate column-type verification ensures data integrity and enables you to perform operations and transformations accurately. In this article, we will explore various methods to verify PySpark DataFrame column types and provide examples for better understanding. Overview of PySpark DataFrame Column Types In PySpark, a DataFrame represents a distributed data collection organized into named columns. Each column has a specific data type, which can be any ... Read More

How to use Xpath with BeautifulSoup?

Rohan Singh
Updated on 16-Oct-2023 11:19:28

3K+ Views

XPath is a powerful query language used to navigate and extract information from XML and HTML documents. BeautifulSoup is a Python library that provides easy ways to parse and manipulate HTML and XML documents. Combining the capabilities of XPath with BeautifulSoup can greatly enhance your web scraping and data extraction tasks. In this article, we will understand how to effectively use XPath with BeautifulSoup. Algorithm for Using XPath with BeautifulSoup A general algorithm for using Xpath with beautiful soup is : Load the HTML document into BeautifulSoup using the appropriate parser. Apply XPath expressions using either find(), find_all(), ... Read More

How to use Vision API from Google Cloud?

Rohan Singh
Updated on 16-Oct-2023 11:14:15

134 Views

Google Cloud Vision API is a powerful cloud-based tool that allows developers to integrate advanced image analysis capabilities into their applications. A lot of images are available in today’s digital age. Vision API is used for extracting meaningful information from these images, such as recognizing objects, detecting text, understanding sentiment, etc. In this article, we will understand how we can use vision API from google cloud to analyze image data. Algorithm Import the required libraries: Import the necessary libraries for the programming language you are using, such as the google.cloud.vision library for Python. Set up ... Read More

How to use Variables in Python3?

Rohan Singh
Updated on 13-Oct-2023 17:04:30

124 Views

Variables are fundamental elements in programming that allow us to store and manipulate data. In Python 3, variables are dynamically typed, meaning they can hold different types of data throughout their lifetime. Understanding how to use variables effectively is crucial for writing robust and flexible code. In this article, we will understand the use of variables in Python with the help of different examples. Variable Basics In Python, variables are created by assigning a value to a name using the "=" operator. The name of the variable is chosen by the programmer and should follow certain naming conventions. Variable names ... Read More

How to use the mouse to scale and rotate an image in PyGame?

Rohan Singh
Updated on 13-Oct-2023 16:15:34

235 Views

Pygame is a powerful library for creating 2D games and graphical applications in Python. It provides a wide range of functionalities, including the ability to manipulate and transform images. In this article, we will explore how to use the mouse to scale and rotate an image in Pygame. Prerequisites Before understanding the process of scaling and rotating images, it's essential to have a basic understanding of Pygame and its event-handling mechanism. Also, make sure you have Pygame installed in your Python environment. You can install it using pip with the command pip install pygame Setting Up ... Read More

How to use the Live Coding Feature of Python in Eclipse?

Rohan Singh
Updated on 13-Oct-2023 16:00:47

119 Views

Eclipse, a powerful integrated development environment (IDE), offers a wide range of features to enhance the coding experience. One such feature is live coding, which allows developers to see the real-time output of their code as they type, making the debugging process more efficient. In this article, we will discuss how we can setup and use the live coding feature of Python in Eclipse. Setting up Eclipse for Python Development Before we dive into live coding, let's ensure that Eclipse is properly configured for Python development. Step 1: Download and install Eclipse Visit the Eclipse website (https://www.eclipse.org/downloads/) and download the ... Read More

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