< 1 min readTo find the sum of an array of numbers in JavaScript, you can use the reduce() method. The reduce() method allows you to apply a function to each element in the array, reducing the array to a single value. Here’s an example of how you can use the reduce() method to find the sum of…
< 1 min readIn JavaScript, null and undefined are both primitive values that represent the absence of a value or object. However, they have different meanings and uses. null is a value that represents the intentional absence of an object value. It is an explicit representation of no value. You can assign the value null to a variable…
< 1 min readTo specify a port for the PHP development server when using the php artisan serve command, you can use the –port option followed by the desired port number. For example: This will start the development server on port 8000. If you omit the –port option, the development server will use the default port of 8000….
< 1 min readTo redirect back to the previous page with a message in Laravel, you can use the redirect()->back() method and pass a key-value pair to the with() method. The key will be the name of the variable that you want to use to store the message, and the value will be the message itself. Here’s an…
< 1 min readYou can create a model, controller and migration from a single command in Laravel by using the following command. In Laravel 5.6 and newer, you can use the following command,
< 1 min readTo add a comment in a Laravel .env file, you can use a # Hash. For example,
< 1 min readIn Laravel, you can use the last method of the Collection class to get the last item from a collection. Here’s an example of how you can use it: You can also pass a callback function to the last method to determine which item should be considered the last: In this example, the last method…
< 1 min readIn Laravel, you can use the isEmpty method of the Collection class to check if a collection is empty. Here’s an example of how you can use it: You can also use the isNotEmpty method to check if a collection is not empty: You can also use the isEmpty method in a chain of method…
< 1 min readIn Laravel, you can use the migrate:rollback Artisan command to rollback the last migration. To rollback a specific migration, you can pass the –step option to the command, followed by the number of migrations to rollback. For example, to rollback the last 2 migrations, you can run the following command: If you want to rollback…
< 1 min readTo check if a string starts with a specific string in PHP, you can use the strpos function. This function searches for a string within another string and returns the position of the first occurrence. Here’s an example of how you can use it: PHP 8 and newer For PHP 7 and older In this…
