How to trigger event in select element in JavaScript?

How to trigger event in select element in JavaScript? And it must use an event listener. You can use the onchange method on your select element. Here is a Fiddle forked from Jonathan, and here is MDN documentation for the change event. How to trigger change event in jQuery Stack Overflow? Use val () to […]

How do I read data from Firebase realtime database?

How do I read data from Firebase realtime database? Read and Write Data on Android Table of contents. (Optional) Prototype and test with Firebase Local Emulator Suite. Get a DatabaseReference. Write data. Basic write operations. Read data. Read data with persistent listeners. Updating or deleting data. Update specific fields. Detach listeners. Save data as transactions. […]

Is there a way to validate a CSRF request?

Is there a way to validate a CSRF request? In other words, you need a way to validate requests and only accept the legitimate ones. The typical approach to validate requests is using a CSRF token, sometimes also called anti-CSRF token. A CSRF token is a value proving that you’re sending a request from a […]

How do you access data members using pointers?

How do you access data members using pointers? Defining a Pointer of Class type We can define pointer of class type, which can be used to point to class objects. Here you can see that we have declared a pointer of class type which points to class’s object. We can access data members and member […]

How to fill a rectangle in HTML Canvas?

How to fill a rectangle in HTML Canvas? The numbers in the table specify the first browser version that fully supports the method. The fillRect () method draws a “filled” rectangle. The default color of the fill is black. Tip: Use the fillStyle property to set a color, gradient, or pattern used to fill the […]

What is the advantage of using properties in C#?

What is the advantage of using properties in C#? Answer: The advantages of using properties are: Before allowing a change in data, the properties can validate the data. Properties can evidently make visible of data on a class from where that data is actually retrieved such as a database. What is the difference between properties […]

Can template functions be overloaded?

Can template functions be overloaded? You may overload a function template either by a non-template function or by another function template. The function call f(1, 2) could match the argument types of both the template function and the non-template function. What is overloading function template in C++? Template Function Overloading: The name of the function […]