Sehan's Algorithm Adventures

  A-Z Guide to Google SEO (Search Engine Optimization) Search Engine Optimization (SEO) is the practice of optimizing web content to improve visibility on search engines, primarily Google. Given that Google is the world's most popular search engine, it’s critical to understand how to optimize your site according to its ranking algorithms. This A-Z guide covers the essential elements of Google SEO, from the basics to advanced techniques. A - Algorithm Updates Google frequently updates its search algorithms (e.g., Panda, Penguin, BERT) to ensure high-quality and relevant content appears in search results. Staying informed about these updates is essential for maintaining or improving rankings. B - Backlinks Backlinks are links from external websites pointing to your site. High-quality backlinks from authoritative websites can significantly boost your site’s credibility and ranking. Always focus on earning natural, relevant backlinks rather than buying them. C - Content Quality Content...

  Understanding the Basics and Advanced Levels of Database Normalization If you’re new to database design, you’ve probably heard about database normalization. This is the process of organizing data in a database so that it is consistent, efficient, and easy to manage. There are several levels of normalization, each with their own benefits and use cases. In this article, we’ll cover the basics of normalization, including first normal form (1NF), second normal form (2NF), third normal form (3NF), and other advanced normal forms. Normal Form Concept of  normalization  and  normal forms  were introduced, after the invention of the relational model. Database normalization is an essential procedure to avoid inconsistency in a relational database management system. It should be performed in the design phase. To achieve this, redundant fields should be refactored into smaller pieces. Normal forms  are defined structures for relations with set of constraints that re...

 Understanding Laravel Routes Laravel, one of the most popular PHP frameworks, provides a powerful and flexible routing system. At its core, routing in Laravel allows developers to define the URLs that their application should respond to and associate these URLs with specific logic or views. In this article, we'll explore how Laravel routes work, how to define them, and how to leverage the advanced features they offer. What are Routes? In Laravel, routes are defined as URL patterns that map to specific actions within a controller or directly to closures. Whenever a user sends a request to the application, the routing system determines which part of the application should handle that request. This system is defined in files located within the routes/ directory of a Laravel application. Basic Route Definition The most basic route in Laravel is defined using a closure, which directly handles the logic for a particular URL. For example, let's create a simple route that returns a m...

  Middleware in Laravel is the programme that executes before a controller responds to a request. It is a method of preventing requests from reaching the controller and processing them instead. Logging, caching, authentication, and permission are just a few applications for this. Let’s create a middleware example that restricts access to a specific route for non-authenticated users. Step 1: Create the Middleware. Execute the following command in your terminal or command prompt: php artisan make:middleware Authenticate This command will generate a new file   Authenticate.php   inside the   app/Http/Middleware   directory. Step 2: Define the Middleware Logic Now , Open the   Authenticate.php   file and update the   handle   method with the following code: <?php namespace App\Http\Middleware; use Closure; class Authenticate { public function handle($request, Closure $next) { if (!auth()->check()) { // User is n...

  Understand Switch-Case Statement.      Switch-case statement is a very popular function in Laravel. It provides an efficient way to handle multiple conditions without writing a series of nested if-else statements. switch-case can be constructed using the ( @switch, @case, @break, and @default ).  For Example - There is a variable that is defined as day and It's assigned the number 3. The switch-case statement maps numeric values to day names. If the value of the day variable is equal or proves the conditions, that block of the code should be executed. In case The key is not found, The default value will be returned. Let's discuss about what are the advantages of using switch-case statement. Readability - switch-case statement makes the code readable and understandable. especially when dealing with multiple conditions. Efficiency - Switch statements are often more efficient than equivalent chained if-else statements. Maintainability - When...