If you programmed in PHP, you are probably familiar with associative arrays. Associative arrays allow strings to be used as indices, not just numbers.

Very often, before sending the form to the server, it is required to check the entered data, for example, if the user entered a name, email, set a password, if the passwords coincide (if we are talking about a simple registration form). Even a beginning JavaScript developer can write such a verification code. T

Object oriented programming (OOP) is a special approach to coding. To understand what OOP is and why it is needed, it will be of use to recall some facts from the history of the development of information technologies. The first programs were entered into the computer using the switches on the front panel of the computer — at that moment computers occupied entire rooms.

Laravel Mix was previously known as Elixir and was supplied as a separate plug-in for Laravel. Since version 5.4, it has been included in the official delivery of the firewall, and in this article I will go over the most important points of the plug-in and we will learn how to take advantage of all its advantages.

It is often necessary to calculate the total amount in a VtigerCRM directory or ListView. With a similar task to me recently asked the customer. He asked to calculate the balance sheet total in the list of accounts. Those. so that the total amount for all accounts in the list is displayed below the list. An example implementation is shown in the picture.