Related Topics AJAX Question 37 How to make sure that JSON data is secure when using it with AJAX requests? Answer To ensure that JSON data is secure when using it with AJAX requests, you should take the following measures: Validate and sanitize input: When accepting user input or data from external sources, you should […]
Related Topics AJAX Question 32 What is JSON and how does it differ from XML? Answer JSON (JavaScript Object Notation) is a lightweight data interchange format that is easy for humans to read and write and easy for machines to parse and generate. It is a text-based format that uses a simple syntax for describing
Related Topics AJAX Question 27 Uses of AJAX in a real-world web application? Answer AJAX can be used in various scenarios in a web application to enhance user experience and make it more dynamic. Here’s an example: Consider a social media web application where users can post comments and view comments from other users. Instead
Related Topics C Programing Question 110 Explain what arrays are in C and how they are used? Answer In C programming language, an array is a collection of similar data items (of the same data type) stored in contiguous memory locations, which can be accessed using a single name or identifier. Here’s an example declaration
Related Topics C Programing Question 97 Explain what the C preprocessor is and what it does? Answer The C preprocessor is a tool that is part of the C programming language. It is a program that runs before the C compiler and is used to process the source code before it is compiled. The preprocessor
Related Topics AJAX Question 20 Explain the difference between synchronous and asynchronous requests? Answer In web development, a request is a message sent by a client (usually a web browser) to a server asking for some information or action to be performed. The difference between synchronous and asynchronous requests is in how the client and
Related Topics Python Programing Question 169 How to use annotations in Python, and what are the best practices for using annotations to provide additional type information for your code? Answer To use annotations in Python, you simply add the annotation syntax to your function, class, or module definitions. Here are some examples: def my_function(arg1: int,
Related Topics Node JS Question 119 What is the role of clustering in improving performance of Node.js applications? Answer Clustering is a technique used in Node.js to improve the performance of applications by utilizing multiple CPU cores. In a typical Node.js application, only a single instance of the Node.js process runs on a single CPU
Related Topics C Programing Question 84 Explain the basic data types in C, such as int, float, and char? Answer Here is an explanation of the basic data types in C: int: This data type is used to represent integers (whole numbers) and can be either signed or unsigned. The size of an int depends
Related Topics Node JS Question 114 What techniques do you use to improve the performance of a Node.js application? Answer There are several techniques that can be used to improve the performance of a Node.js application: Minimize I/O Operations: I/O operations can be expensive and can slow down an application. One way to minimize I/O
