Array
Array In C programming, an array is a collection of variables of the same data type stored in contiguous memory locations. Here is how to declare, initialize, and access an array in C: Declaring an array To declare an array in C, you use the following syntax: Datatype arrayname[array_size]; For example, to declare an array […]
PHP – AJAX
PHP – AJAX What is AJAX: AJAX (Asynchronous JavaScript and XML) is a technique used in web development to create fast, dynamic, and interactive web applications. It allows web pages to update content dynamically without requiring a full page reload, improving the user experience by providing a more seamless and responsive interface. The technique involves […]
PHP XML
PHP XML What is XML: XML stands for Extensible Markup Language. It is a markup language that is used for storing and transporting data. Unlike HTML, which is used for displaying data in web browsers, XML is primarily used for data exchange between different software applications. XML uses tags to identify data elements, similar to […]
Infinite Loop
Infinite Loop An infinite loop is a loop that never terminates or exits. This means that the loop condition is always true, or the loop never reaches the condition to exit. As a result, the program executing the infinite loop will continue to run indefinitely, until it is terminated by an external force, such as […]
SQL Data Types for MySQL, SQL Server, and MS Access
Here are some commonly used SQL data types for MySQL, SQL Server, and MS Access: Numeric/Integer Data Types: MySQL: INT, TINYINT, SMALLINT, MEDIUMINT, BIGINT, FLOAT, DOUBLE, DECIMAL SQL Server: INT, TINYINT, SMALLINT, BIGINT, FLOAT, REAL, NUMERIC, DECIMAL MS Access: BYTE, INTEGER, LONG, SINGLE, DOUBLE, DECIMAL Character/String Data Types: MySQL: CHAR, VARCHAR, TEXT, ENUM SQL Server: […]
SQL Injection
SQL Injection SQL injection is a type of security vulnerability that occurs when an attacker inserts malicious SQL statements into a form field or other user input field in a web application. The injected SQL statement can manipulate the database to execute unintended commands or retrieve sensitive data. Here are some examples of SQL injection […]
Loop Control Statements
Loop Control Statement Loop control statements in C programming allow you to alter the normal flow of a loop. There are three main loop control statements in C: break, continue, and goto. 1. break statement: The break statement is used to exit a loop prematurely. When executed inside a loop, the break statement causes the […]
LOOPS
Loops C language provides three types of loops: for, while, and do-while. These loops are used to execute a block of code repeatedly until a certain condition is met. 1. for loop: The for loop is used when you know the exact number of times you want to execute a block of code. It has […]
Nested Switch
Nested Switch In C programming language, you can use nested switch statements to create more complex conditional logic. A nested switch statement is simply a switch statement inside another switch statement. The syntax of a nested switch statement is as follows:Bottom of Form switch (expression1) { case value1: // code to execute when expression1 equals […]
The break Keyword
The Break Keyword The break keyword in C is used to exit a loop or switch statement prematurely. In a loop, the break statement is used to immediately exit the loop, even if the loop condition has not been met. For example: for (int i = 0; i < 10; i++) { if (i == […]