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Population pyramids are potent visual depictions that show how a population is distributed across various age groups and genders. They are extensively utilised in disciplines including sociology, economics, and public health because they offer useful insights about the demographic make−up of a society. Using the well−known spreadsheet programme Microsoft Excel, we will walk you through each step of the process of making a population pyramid chart in this lesson. The knowledge you gain from this tutorial will enable you to make population pyramids that are easy to understand and visually appealing, whether you're a student, researcher, or professional looking to ... Read More
Thumbnail images are commonly used in a variety of applications to present photos in a compact and visually appealing manner. They enable users to navigate through a huge number of photographs fast and effortlessly since they are compact, compressed images that faithfully depict the original image. Python is popular for manipulation and processing of images. A well-known Python library for working with images is the Python Imaging Library (PIL), now called Pillow that offers a large number of tools for carrying out various image-processing operations, such as cropping, resizing, and applying filters. Approaches ... Read More
Pivot charts are effective tools that let you dynamically and interactively visualise and evaluate data from your spreadsheets. You may acquire important insights and convey your data succinctly by combining the functionality of pivot tables and charts. You will be guided step−by−step through the process of making an Excel pivot chart in this tutorial. This book will provide you the skills and information you need, whether you're a novice or a seasoned user, to unlock the full potential of pivot charts. You will discover how to format and design your chart so that it is both aesthetically pleasing and simple ... Read More
When there are many data points in a pie chart and you want to highlight the most important data points or bring lesser data points together for better visualisation, pie of pie and bar of pie charts might be helpful. These chart types offer a succinct way to clearly display both the broad distribution and the particular details. You will be guided step−by−step through the process of making Excel Pie of Pie and Bar of Pie charts in this tutorial. Regardless of your level of Excel proficiency, this video will assist you in mastering these chart formats and improving your ... Read More
Introduction The exec command is a built-in command in the Unix and Linux shell that allows a user to execute a command or a script in place of the current shell. This means that the exec command is used to replace the current shell process with a new process, which can be a command or a script. The exec command is useful in shell scripts when you want to execute a command or a script and then exit the current shell. Syntax of exec command −Example $ exec: exec [-cl] [-a name] [command [argument ...]] [redirection ...] Why should ... Read More
Contextual selectors allow the developer to select different types of styles for different parts of the document. In CSS, the developer can either specify styles directly or by making certain classes. The contextual selector will only apply the style to the elements which are specified. A parent-child relationship between elements in the document can be known as context. The contextual selectors will have 2 or more than 2 selectors which are separated. In this article, we are going to have a look at what is a contextual selector in CSS and how can we use it. What is contextual selector ... Read More
The task we are going to perform in this articles is to “Remove property for all objects in array in JavaScript”. A collection of key-value pairs constitutes an object in JavaScript. A key-value pair among them is referred to as an object property. Any data type, including Number, String, Array, Object, etc., can be used for both the keys and values of properties There are two methods: one is mutable and uses the delete operator; the other is immutable and uses object restructuring. Let’s discuss this method. The delete operator The delete operator eliminates both the property's value and the ... Read More
Visualizing data is a crucial part of data analysis, as it can help to uncover insights and reveal patterns in complex datasets. Circular visualizations are a unique approach to visualizing data, which can be particularly useful in identifying relationships and patterns that are not immediately apparent using traditional graphing techniques. This article will provide a comprehensive guide to creating circular visualizations using the Hishiryo Python library. We will explore the advantages of circular visualizations, delve into the basics of the Hishiryo Python library, and demonstrate how to create circular visualizations using different types of datasets. Upon completion of this article, ... Read More
To obtain the canvas's image data URL, we can use the canvas object's toDataURL() method, which converts the canvas drawing into a 64 bit encoded PNG URL. You can pass image/jpeg as the first argument to the toDataURL() method if you want the image data URL to be in jpeg format. You can control the image quality for a jpeg image by passing a number between 0 and 1 as the second argument to the toDataURL() method. Any images drawn onto the canvas must be hosted on a web server with the same domain as the code executing it, according ... Read More
JavaScript relationships with the HTML/CSS file, particularly with the Document Object Model (DOM), are made easier through an open-source library called "jQuery". Its traversal and manipulation of HTML files, the control of browser events, the production of DOM visuals, the facilitation of Ajax connections, and cross-platform JavaScript programming are all made easier by this package. To verify whether a particular string constitutes a substring of another string, JavaScript provides a variety of string functions. Consequently, jQuery is dispensable to accomplish this task. Nonetheless, we shall expound on the various approaches to verify if a string commences or terminates ... Read More