How to use events listeners and Event Subscriber in Symfony
We use events to perform some tasks if an event occurs, these tasks can be achieved by using the followings: 1. Event Subscriber 2. Event Listeners Event Subscriber vs Event Listeners They both serve the same purpose but have different implementations. Both trigger some functions in the specific time of processing data by Symfony. We can declare…
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How to add page numbers in PDF in CodeIgniter
Step 1: Install CodeIgniter 4 To install CodeIgniter 4 we can install it through Composer or download CodeIgniter 4 directly here: Install via composer: Step 2: Change CodeIgniter Environment CodeIgniter is the default environment product, a security feature to add security when settings go wrong when it’s live. To change the environment, we will rename or…
How to change password in the CodeIgniter framework
How to send forgot password in CodeIgniter framework PHP. Here we using 2 files to insert data in MySQL: Forms.php Path: codeIgniter\application\controllers\Forms.php forgot_pass.php Path: codeIgniter\application\views\change_pass.php Forms.php (Controller) <?php class Forms extends CI_Controller { public function __construct() { parent::__construct(); $this->load->database(); $this->load->library(‘session’); $this->load->helper(‘url’); $this->load->model(‘Hello_model’); } public function forgot_pass() { if($this->input->post(‘forgot_pass’)) { $email=$this->input->post(’email’); $que=$this->db->query(“select pass,email from user_login where email=’$email'”); $row=$que->row();…
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How To Install Nginx, PHP on Ubuntu 22.04
Now, Open a terminal and start following the below steps. Step 1 . Install Ngnix. our system is updated now we will install Nginx. Ngnix is installed, Now we will configure the firewall, we will allow port 80 and port 443. Now open your IP in the web browser you will see the output, If…
ES6 classes
Prior to ES6, classes have been in use in Javascript. ES6 just comes with a clean, nice-looking syntax for defining classes. It’s good to note that JavaScript’s class is just a more convenient way of creating constructor functions, which are very different from traditional classes. In this article, we will focus on: How to define…
How to Check Twig Version in Symfony
Finding out which version of the Twig you have installed in Symfony framework can be useful when solving bugs or installing packages. This tutorial shows how to check Twig version in Symfony. We can use the Environment::VERSION constant to determine Twig version. test.php This constant can be used in the template as follows: templates/test/index.html.twig
How to Add Reset Button in jQuery UI Datepicker
I am using the jQuery UI date picker plugin to add the date picker dialog to the text input field. Since the input field is a read-only element, it is not allowed to clear the selected date. Is there any option to add a reset button in the date picker to clear the date from…
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How to use :hover to modify the CSS of another class?
To use :hover to modify the CSS of another class, we can use it with another selector. For instance, we write to select the elements with the class wrapper in the elements with class item that we hovered on. We set its color and background-color for those elements.
How to Deploy or Host your ReactJS App in cPanel
This tutorial assumes you already have a cPanel hosting service purchased and a domain name registered. If yes, Let’s go straight to the steps (If No, You can comment, I can give you steps on how to get a domain and hosting service) Step 1. Using the Terminal/CMD in your project directory, create a react…
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PHP 8: Constructor property promotion
I’m very happy with the constructor property promotion RFC, it’s passed and will be added in PHP 8. You see, this feature reduces a lot of boilerplate code when constructing simple objects such as VOs and DTOs. In short: property promotion allows you to combine class fields, constructor definition, and variable assignments all into one syntax,…
HTML Basic Examples
In this chapter, we will show some basic HTML examples. Don’t worry if we use tags you haven’t learned about yet. HTML Documents All HTML documents must start with a document type declaration: <!DOCTYPE html>. The HTML document itself begins with <html> and ends with </html>. The visible part of the HTML document is between <body> and </body>.
How to Search Recently Modified Files in Linux
This post will help you to find recently modified files in Linux via the command line. The find command works with, defining duration in Minutes or Days. The minutes are defined with -mmin and the day’s value can be defined with -mtime You can also define the search criteria to find files modified within or before the specified…
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How to make the div move up and down when scrolling the page with CSS?
Sometimes, we want to make the div move up and down when scrolling the page with CSS. In this article, we’ll look at how to make div move up and down when scrolling the page with CSS. To make the div move up and down when scrolling the page with CSS, we make the div…
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TOP 10 MOST POPULAR PROGRAMMING LANGUAGES IN 2022
Most Popular Programming Languages Javascript Python Java C/C++ C# PHP GO Kotlin Scala R 1. JavaScript According to the stats, there are almost 1.8 billion websites in the world. And about 95% of them run with the help of Javascript. A Bit of Javascript History Javascript originated in the labs of Netscape as part of…
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How to Install a WordPress Plugin for Beginners
WordPress plugins are used to enable addon features to the web application developed in WordPress. Many features do not come with the WordPress core by default. So, if we need to extend the functionality of the WordPress application, then we need to use the plugins. There are many plugins available in the market for WordPress…
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How to Define Global Variables for Twig Templates in Symfony 6
Sometimes we may need to inject the same variable in all the Twig templates. It can be done on each controller by passing a variable to template. However, it is not a good solution. This tutorial shows how to define global variables for Twig templates in Symfony 6 application. Global variables for Twig templates can…
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How to check if a customer is logged in to Magento 2 or not?
There are two ways by which you can check if a customer is logged in or not: 1) By using Object Manager It is always a bad practice to use ObjectManager directly. 2) By Injecting Class (Dependency Injection) As said earlier, it is one of the worst practices to use the ObjectManager directly. Therefore an…
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Best Practical CSS Tips
1. First letter drop We can use :first-letter it to drop the first letter of the text. The:first-letter selector is used to specify the style of the first letter of an element, it only applies to block-level elements. The effect is as follows. See the Pen Untitled by TeachDeveloper (@TeachDeveloper) on CodePen. 2. Image text wrapping Shape-outside is…
15 Best Free Open Source eCommerce Platforms
When it comes to open source eCommerce platforms, there are plenty to choose from. Here, we look closely at the 15 best available, which should help guide you in the right direction. I’m not going to lie- finding the perfect platform is difficult. Each one has its own set of pros and cons and has…
How to Symfony Request
Symfony request tutorial shows how to work with request objects in Symfony. We show several ways how to create request objects in Symfony. Symfony Symfony is a set of reusable PHP components and a PHP framework for web projects. Symfony was published as free software in 2005. The original author of Symfony is Fabien Potencier. The…