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Strict mode in JavaScript

Last Updated: 20 November 2021

Strict Mode was a new feature in ECMAScript 5 that allows you to place a program, or a function, in a "strict" operating context. This strict context prevents certain acti...read more

Web Technologies

javascript-basics

Last Updated: 21 July 2021

Hill cipher is a polygraphic substitution cipher based on linear algebra.Each letter is represented by a number modulo 26. Often the simple scheme A = 0, B = 1, ..., Z = 2...read more

Technical Scripter

Baconian Cipher

Last Updated: 03 May 2023

Bacon's cipher or the Baconian cipher is a method of steganography (a method of hiding a secret message as opposed to just a cipher) devised by Francis Bacon in 1605. A me...read more

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How to use SQLMAP to test a website for SQL Injection vulnerability

Last Updated: 02 May 2023

This article explains how to test whether a website is safe from SQL injection using the SQLMAP penetration testing tool.What is SQL Injection?SQL Injection is a code inje...read more

Web Technologies

Vulnerability in input() function – Python 2.x

Last Updated: 24 June 2022

This article aims at explaining and exploring the vulnerability in the input() function in Python 2.x. In Python 3, the raw_input() function was erased, and its functional ...read more

Session Hijacking

Last Updated: 11 July 2022

What is Session Hijacking?TCP session hijacking is a security attack on a user session over a protected network. The most common method of session hijacking is called IP s...read more

Computer Subject

Format String Vulnerability and Prevention with Example

Last Updated: 10 September 2018

A format string is an ASCII string that contains text and format parameters.Example:// A statement with format stringprintf("my name is : %s\n", "Akash");// Output// My na ...read more

Computer Subject

Denial of Service and Prevention

Last Updated: 31 August 2023

Denial of Service (DoS) is a cyber-attack on an individual Computer or Website with the intent to deny services to intended users. Their purpose is to disrupt an organizat ...read more

Computer Subject

Computer Networks

How to store a password in database?

Last Updated: 13 September 2023

Most of the web applications require their users to authenticate themselves by asking them username and password. They compare the user supplied credentials with the data ...read more

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Computer Subject

Buffer Overflow Attack with Example

Last Updated: 01 July 2022

A buffer is a temporary area for data storage. When more data (than was originally allocated to be stored) gets placed by a program or system process, the extra data overf ...read more

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Computer Subject

Basic SQL Injection and Mitigation with Example

Last Updated: 08 April 2019

SQL injection is a code injection technique, used to attack data driven applications, in which malicious SQL statements are inserted into an entry field for execution (e.g...read more

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Computer Subject

fseek() vs rewind() in C

Last Updated: 28 June 2023

fseek() and rewind() both functions are used to file positioning defined in stdio.h header file. In this article, we will discuss the differences in the usage and behavior ...read more

C-File Handling

Virtual Destructor

Last Updated: 20 February 2023

Deleting a derived class object using a pointer of base class type that has a non-virtual destructor results in undefined behavior. To correct this situation, the base cla ...read more

C++-Destructors

"delete this" in C++

Last Updated: 11 November 2021

Ideally delete operator should not be used for this pointer. However, if used, then following points must be considered.1) delete operator works only for objects allocated ...read more

gets() is risky to use!

Last Updated: 05 November 2020

Consider the below program.[tabby title="C"][sourcecode language="C"]void read(){ char str[20]; gets(str); printf(%s, str); return;}[/sourcecode][tabbyending]The c ...read more

C Array and String