How do desktop applications interact with server?
But in the end, the principle remains the same:
- You establish a connection with the server.
- Your server has a component that listens and understands requests.
- Your desktop application has a component which can send requests to the server.
- Desktop app sends a request, and the server answers.
What is an Ajax application?
AJAX stands for Asynchronous JavaScript and XML. AJAX is a new technique for creating better, faster, and more interactive web applications with the help of XML, HTML, CSS, and Java Script. A user can continue to use the application while the client program requests information from the server in the background.
How does an Ajax call work?
How AJAX Calls Work. AJAX uses both a browser built-in XMLHttpRequest object to get data from the web server and JavaScript and HTML DOM to display that content to the user. Despite the name “AJAX” these calls can also transport data as plain text or JSON instead of XML.
What are the disadvantages of Ajax?
Disadvantages of AJAX
- It increases design and development time.
- Complex.
- Less security.
- Search Engines cannot index AJAX pages.
- Browsers which disabled JavaScript cannot use the application.
- Another server cannot display information within the AJAX.
Should data be formatted in the backend or front-end?
You should definitely pare down the data model with for each call but it should be a pared down version of the backend (‘natural’) data model not a data structure that is customized to a particular view.
What is backend validation?
Backend Validations It’s how you treat the content of that request that makes a difference. A quick recap: Never trust the data submitted by the user. Every bit of data submitted by your user has to be validated on your back end.
What is the difference between client side validation and server side validation?
Server side validation is mainly used to validate and display form level errors, while client side validation is used for field level errors. Client side validation depends on javascript and may be turned off in some browser, which can lead to invalid data saved, while server side validation is very secure.