Learn how to debug. If you cannot trace line-by-line through your code, then try to keep some kind of log. For now at least output this to the console. In your case 1. Verify the input file opened successfully 2. Print out each gift as you read it in. would be a good way to … Read more
Instead of Workday.ToString(), you might try to print Workday ? “yes” : “no” , which is a short if else statement which prints “yes” when Workday is True, “no” otherwise. Hope this helps! solved Changing bool value to word using ToString method [duplicate]
You can use pattern matching to determine which type of Array you’re dealing with. def arrTest[A](a :Array[A]) :Boolean = a match { case sa :Array[String] => sa.length < 2 || sa.sliding(2).forall(x => x(0) < x(1)) case ia :Array[Int] => ia.length > 2 && ia(0) == 1 && ia(1) == 1 && ia.sliding(3).forall(x => x(0) + … Read more
That is a recursive method that just calls itself. It creates an infinite loop. 3 solved What does “def loop: Boolean = loop” do in Scala
According to the De Morgan’s law, not (A and B) is not A or not B. You can verify this using simple python script: In [1]: def test(fn): …: for beta in [False, True]: …: for gamma in [False, True]: …: print(f’beta: {beta}, gamma: {gamma}, ans: {fn(beta, gamma)}’) …: In [2]: test(lambda beta, gamma: not … Read more
for this code you cannot use input as a variable so I would rewrite it as this: choice = input(“”) #This will get a string that the user types. if “stay” in choice: #This will execute the code below if the user has typed something with stay in it print dead(“You were struck by lightning … Read more
The conditions like the following are wrong: (board[0] == ‘X’ || ‘O’) Because of C++ operator precedence and evaluation rules, the compiler understands it as: (board[0] == ‘X’) || (‘O’ != 0) The second part is, of course, always true, so it always succeeds for every field and therefore for the whole board. You would … Read more
option variable should be of type string in your case. Then, You need to change this bit (assignment operator) if(option = friend) to this (comparison operator) if(option == friend) So finally you will get (after readline command fix) string friend; string friend2; string friend3; string option; Console.WriteLine(“Who would you like to talk to first? ” … Read more
I quess if( x > y || 10 < 12) { System.out.println(“one of these is true”); } should do the thing. solved is there an equivalent if statement in java as this python one?
You should have a constructor to initialize class members: class account { char itemName[50]; double actualPrice; bool empty; public: account() : empty(false) {} // this initializes the ’empty’ variable to ‘false’. void create_account(); void displayRecord() const; void drawLine3(int n, char symbol); }; solved How can i declare a boolean variable in class in c++
Introduction Boolean variables are a type of data that can only have two values: true or false. In C++, boolean variables can be declared in a class by using the keyword “bool” followed by the variable name. This article will explain how to declare a boolean variable in a class in C++. It will also … Read more
true && !true => false false && !false => false the only other option is Boolean x = null; x && !x => NullPointerException. 2 solved Java -Boolean expression of variable and it’s inverse
By the time program control gets to else if(!visible){, visible can only be false. Your compiler is hinting that you should clarify your code to else { instead. solved Why isn’t the compiler noticing that a boolean has been declared true?
In bool StatsList::NewGrade(ListType grade) there are a couple problems. i needs to persist from call to call otherwise it will always be set to 0 at the beginning of the function. I recommend giving it a more descriptive name like listindex and making it a member variable. There is no return true. The logical place … Read more
this.gridViewCastles.SetRowCellValue(rowHandle, column, (object) (bool) (flag2 ? 1 : 0)); What are you trying to do? Flag2 is a boolean. The ?: operator allows you to test a boolean condition to select one of two possible vaules, in your case, 0 and 1. In your code, you try to cast 0/1 to boolean. What is the … Read more