Python

Welcome back from another hiatus! This post is a facepalm post because I recently realized that I’ve been an idiot for so long. I have a tendency to make things more complicated than they need to be, as can be seen in my articles about instance properties. I’ve briefly mentioned unbound attributes (Class.attr returns a function that you pass an ...

A couple of years ago, I have blogged about Python vs Java and which programming language a beginner should learn or which programming language is better to get started with programming, but now the question has changed. It’s no more about Java but its about JavaScript. Now the choice is between Python or JavaScript. Don’t get me wrong, I am ...

Hello guys, I am a Java developer and have been writing about Java for a long time. Initially I wasn’t interested in Python but eventually, I had to join the Python wagon when I started exploring Machine Learning and Data Science. There is no doubt that Python is the #1 programming language and it’s heavily used in areas like automation ...

In this tutorial, we will represent data in a heatmap form using a Python library called seaborn. This library is used to visualize data based on Matplotlib. You will learn what is a heatmap, how to create it, how to change its colors, adjust its font size, and much more, so let’s get started. What is a heatmap? The heatmap ...

After being voted as the best programming language in the year 2018, Python still continues rising up the charts and currently ranks as the 3rd best programming language just after Java and C, as per the index published by Tiobe. With the increasing use of this language, the popularity of test automation frameworks based on Python is increasing as well. ...

In this tutorial, you will learn how you can process images in Python using the OpenCV library. OpenCV is a free open source library used in real-time image processing. It’s used to process images, videos, and even live streams, but in this tutorial, we will process images only as a first step. Before getting started, let’s install OpenCV. Install OpenCV ...

Pandas is an open source Python library which provides data analysis and manipulation in Python programming. It’s a very promising library in data representation, filtering, and statistical programming. The most important piece in pandas is the DataFrame where you store and play with the data. In this tutorial, you will learn what is the DataFrame, how to create it from ...

In this tutorial, you will learn how to download files from the web using different Python modules. You will download regular files, web pages, YouTube videos, Google drive files, Amazon S3, and other sources. Also, you will learn how to overcome many challenges that you may counter such as downloading files that redirects,  downloading large files, multithreaded download, and other ...

In this tutorial, the focus will be on one of the best frameworks for web crawling called Scrapy. You will learn the basics of Scrapy and how to create your first web crawler or spider. Furthermore, the tutorial gives a demonstration of extracting and storing the scraped data. Scrapy, a web framework written in Python that is used to crawl through ...