Dictionaries in Python allow you to store key−value pairs, making it easy to organize and access data efficiently. Sometimes, we may need to retrieve specific items from nested levels within a dictionary. We can use the isinstance() with the recursion method and dict.get() method to get the nested−level items from the dictionary. In this article, we will explore different ways to get particular nested−level items from Dictionary in Python. Nested Dictionary A nested dictionary is a dictionary that contains other dictionaries as values. This allows for the creation of hierarchical structures, where data is organized in a tree−like fashion. Each ... Read More

The Hyperlink−Induced Topic Search (HITS) algorithm is a popular algorithm used for web link analysis, particularly in search engine ranking and information retrieval. HITS identifies authoritative web pages by analyzing the links between them. In this article, we will explore how to implement the HITS algorithm using the Networxx module in Python. We will provide a step−by−step guide on how to install the Networxx module and explain its usage with practical examples. Understanding HITS Algorithm The HITS algorithm is based on the idea that authoritative web pages are often linked to by other authoritative pages. It works by assigning ... Read More

Time series data are mostly used when dealing with data that changes with time. Handling these data plays a very important role in data analysis of Time series data. Pandas, a popular data manipulation and analysis library in Python, provides robust functionality for working with time series data. In this article, we will understand through examples and explanations how to effectively utilize time series in Pandas. Ways to Utilize Time Series Data In the below methods we will be using the Electric_ptoduction time series data set that is taken from Kaggle. You can download the data set from here. Importing ... Read More

In Python, we can sort a dictionary by the value of a specific index, often referred to as kth index value by using various functions like Using the sorted() Function with a Lambda Function, Using the itemgetter() Function from the operator Module, Using a Custom Function with the sorted() Function, etc. In this article, we will understand these methods and how we can use them to sort a dictionary by kth index value in Python. Method 1: Using the sorted() Function with a Lambda Function This method utilizes the sorted() function with a lambda function as the key parameter to ... Read More

Sending emails from javascript is a common feature in most web applications. It allows you to automate notifications, send user−generated content, or facilitate communication with your users. We can use different methods like using Malito protocol, sending Emails with a Server−Side Language, and Implementing Email Sending through an API to send emails from Javascript. In this article, we will explore all of these methods to send email using javascript. Basics of Sending Email Before implementing the email−sending feature using different libraries and methods we need to what are the basic requirements to send emails. At a high level, sending an ... Read More

When working with arrays in JavaScript, cases often require selecting a random element from an array. In Javascript we can use various inbuilt methods like Math.random() with Math.floor(), using the Math.random() Method with a Helper Function, and Using the Array.prototype.sort() Method to select a random element from an array. In this article we will explore all these methods and explain them with the help of examples. Method 1:Using Math.random() with Math.floor() This method uses the combination of Math.random() and Math.floor() to generate a random index within the range of the array's length. Syntax array[Math.floor(Math.random() * array.length)]; Here, the Math.random(), ... Read More

When working with objects, we often need to search for the max value of an attribute in an array of objects. We can use various javascript inbuilt functions like reduce() method, and map() method and we can also use a simple for loop to search for the max value. In this article, we will explore all these methods and explain the methods with the help of examples. Method 1:Using for loops In this method, we iterate through the array of objects using a loop and compare the attribute value of each object with the current maximum value. Syntax for ... Read More

Searching for a string in text files is an important task while doing data analysis on text data. In Python, we can search for a string in textfile using various methods like reading and searching line by line, reading the entire file, and using regular expressions, using the grep command, etc. Method 1:Reading and Searching Line by Line One straightforward approach is to read the text file line by line and search for the desired string in each line. This method is suitable for smaller text files. Syntax for line in file: ... Read More

Pickle is a Python module that is used for serializing and deserializing Python objects. It allows you to save and load complex data structures, such as lists, dictionaries, and even custom objects, in a binary format. Pickling objects is a great way to store data, you might encounter scenarios where you need to search for specific information within a pickle file. In this article, we'll explore various methods to search a pickle file in Python. Understanding Pickle File A pickle file is a binary file that contains serialized Python objects. The pickle module in Python provides functions to ... Read More

Instagram is a popular social media platform that allows users to connect and share content with their followers. As a developer, there might be a need to automate certain tasks on Instagram, such as extracting follower data. Instagram's follower popup only loads a limited number of followers at a time, requiring users to scroll down to view more followers. In this article, we will explore how to scroll down the followers popup on Instagram using Python. Syntax webdriver.Chrome('path/to/chromedriver Here, this method is used to create an instance of the Chrome WebDriver. It requires providing the path to the chromedriver ... Read More