Freaks City

Problem Description When attempting to log into a system with forgotten credentials, systems typically impose a limit on failed attempts before account lockout. This solution implements such a password verification mechanism. Input Specifications The first input line contains the correct password (a non-empty string without spaces, tabs, or new ...

This article summarizes common issues with radio buttons, checkboxes, text fields, etc. Making Checkboxes Behave Like Radio Buttons $("input[name='industry']").click(function () { // Uncheck all checkboxes $("input[name='industry']").prop("checked", false); // Check the current one $(this).prop(&quo ...

To restrict user input to integers only (excluding decimals), use the folowing HTML input with an oninput handler that strips non-digit characters: <input type="text" name="amount" id="amount" oninput="this.value = this.value.replace(/[^\d]/g, '')" placeholder="Numbers only"> For date inp ...

Understanding SQL Injection SQL injection is a prevalent form of cyber attack that exploits vulnerabilities in database query construction. It typical occurs when user input is directly concatenated into SQL queries without proper validation or sanitization, allowing attackers to manipulate SQL logic or execute arbitrary commands. Example of SQ ...

To sum user-input numbers until a non-numeric character terminates the program, check the return value of scanf_s. It returns the count of successfully read items, so a return value of 1 indicates valid input. #include <iostream> #include <cstdio> int main() { int value = 0; long total = 0L; int result; do { ...

Task 1: Generate Student IDs Based on Random Major Selection The following program generates five student IDs. Each ID starts with either 20256343 (for one major) or 20256136 (for another), followed by a four-digit number. The selection between majors is randomized. #include <stdio.h> #include <stdlib.h> #include <time.h> #de ...