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Articles by Pradeep Kumar
Page 5 of 104
Difference between JavaScript and AngularJS
JavaScript is a scripting language that is used to generate dynamic HTML pages with interactive effects on a webpage that runs in the web browser of the client. On the other hand, Angular JS is a framework that is built on JavaScript and adds new functionalities to HTML. Its primary purpose is to facilitate the creation of dynamic and single-page web applications (SPAs). In this article, we are going to highlight the differences between Angular JS and JavaScript. Let's start with a basic understanding of JavaScript and AngularJS. What is JavaScript? JavaScript is a simple programming language ...
Read MoreDifference between CSS and JavaScript
A website is developed using HTML. HTML provides the backbone and structure for the website. However, using HTML alone, we can't create our desired website. Cascading Style Sheets (CSS) adds a styling layer to the website, applying formatting, changing layouts, and making the website visually appealing. JavaScript is a programming language that makes websites functional and interactive, adding animations, pop-up screens, and user interaction features. What is CSS? CSS stands for Cascading Style Sheets. CSS is a language used to style HTML documents. Using CSS, we can change document styles such as page layout, colors, font styles, and ...
Read MoreDifference between CSS Grid and Bootstrap
The majority of the time, we will use CSS Grid in situations where we have strict requirements for the layout and want our content to flow on the page in accordance with those requirements. Bootstrap's grid system is based on the CSS Flexbox layout system, while the CSS Grid was influenced by print-based design. Bootstrap is a direct competitor to CSS Grid, and a significant comparison can be made between the two frameworks' respective grid layout systems. If we want to have control over the layout in either the row or column direction, then we should use the ...
Read MoreSort Array of Objects by Object Fields in PHP
In PHP, you can sort an array of objects by their properties using several built-in functions. Each approach offers different advantages depending on your specific requirements and coding style preferences. Using usort() Function with a Custom Comparison Function The usort() function provides the most flexible approach for sorting objects by custom logic ? Bob - 25 Alice - 30 Charlie - 35 Using Anonymous Functions You can also use anonymous functions for more concise code ? Mouse - $25.5 Keyboard - $75 Laptop ...
Read MoreSort a Multidimensional Array by Date Element in PHP
In PHP, you can sort a multidimensional array by a specific element, such as a date, using various approaches. Let's explore three different methods ? Using array_multisort() The array_multisort() function sorts multiple arrays or multidimensional arrays based on one or more columns ? Array ( [0] => Array ( [date] => 2023-05-15 [name] => Alice ...
Read MoreSaving an Image from URL in PHP
There are several ways to save an image from a URL in PHP. Here are three common methods − Using file_get_contents() and file_put_contents() Using cURL Using the GD library Using file_get_contents() and file_put_contents() Using file_get_contents() and file_put_contents() is a straightforward method to save an image from a URL in PHP ? In this code snippet, file_get_contents() retrieves the contents of the image file from the specified URL. The image data is then stored in the $image variable. Next, file_put_contents() saves ...
Read MoreRefresh a Page Using PHP
In PHP, you can refresh a page using the header() function to send HTTP headers to the browser. This is useful for creating auto-refreshing pages or redirecting users after form submissions. Using header() Function The header() function sends HTTP headers to the browser. To refresh a page, you use the "Refresh" header with a specified delay time. Syntax header(string $header, bool $replace = true, int $http_response_code = 0): void Parameters $header − The header string to send (e.g., "Refresh: 5") $replace − Whether to replace previous similar headers (default: true) $http_response_code ...
Read MorePHP Program to Find the Number Occurring Odd Number of Times
Finding a number that occurs an odd number of times in an array is a common programming problem. In PHP, this can be solved using different approaches like counting, hashing, or bitwise XOR operations. Problem Explanation Given an array where all numbers appear an even number of times except one, we need to find that single number which appears an odd number of times. For example, in the array [2, 3, 4, 3, 1, 4, 2, 1, 1], the number 1 appears 3 times (odd), while all other numbers appear an even number of times. Method ...
Read MorePHP Program to find the Closest Pair from Two Sorted Arrays
Given two sorted arrays and a number x, we need to find a pair (one element from each array) whose sum is closest to x. This is a classic two-pointer problem that can be solved efficiently. Problem Statement Find a pair from two sorted arrays such that the sum of the pair is closest to a given target value x. Input: ar1 = [1, 3, 5, 7, 9]; ar2 = [2, 4, 6, 8, 10]; x = 12; Output: The closest pair is [1, 10] because 1+10=11 which is closest to 12 ...
Read MorePHP program to Fetch Data from Localhost Server Database using XAMPP
To fetch data from a localhost server database using XAMPP, you need to set up a local web server environment and create a PHP script that connects to your MySQL database. This tutorial will guide you through the complete process. Prerequisites: Install XAMPP from https://www.apachefriends.org/download.html before proceeding. Setting Up XAMPP Server Step 1: Start the XAMPP Server Launch the XAMPP control panel Start the Apache and MySQL services by clicking "Start" next to each service Step 2: Access phpMyAdmin ...
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