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## validating_http_parameters.md

      
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              December 21, 2023 20:22
                — forked from marekciupak/validating_http_parameters.md
            
              
                Ruby on Rails: Validating HTTP parameters
              
          
    Dry-Schema HTTP parameters

Let's say you need to handle the following action:
class UsersController < ApplicationController
  def update
    user = User.find(id)
    result = update_user(user, attrs)
    

## (C++) Airline Seat Reservation System
#include "stdafx.h"
#include <iostream>
#include <utility>
using namespace std;

void FillSeatArray(pair<char, bool> arr[][4], int sizeDim1);
// Precondition: arr is a two dimensional array of type pair<char, bool>[4].
// sizeDim1 is the size of the first array dimesion.
// Postcondition: Each four element array of type pair<char, bool> is assigned values
// representing seats. The pair at index 0 is assigned 'A', 1 is assigned 'B',
	#include "stdafx.h"
	#include <iostream>
	#include <utility>
	using namespace std;

	void FillSeatArray(pair<char, bool> arr[][4], int sizeDim1);
	// Precondition: arr is a two dimensional array of type pair<char, bool>[4].
	// sizeDim1 is the size of the first array dimesion.
	// Postcondition: Each four element array of type pair<char, bool> is assigned values
	// representing seats. The pair at index 0 is assigned 'A', 1 is assigned 'B',