### How do I determine if *exactly* one boolean is true, without type conversion??

Given an arbitrary list of booleans, what is the most elegant way of determining that exactly one of them is true? ...

### What is the difference between Boolean.TRUE and true in Java??

PS: I understand the difference between "true" and true. Edit: I also understand that Boolean.TRUE is a wrapper for...

### Boolean Logic (Order of operations) A and B or C?

I am creating a "Basic Search" bar that users can type in terms. I am unsure of the order of operations for boolean ...

### Java check if boolean is null?

How do you check if a boolean is null or not? So if I know "hideInNav" is null. How do I stop it from further execu...

### Using boolean values in C?

C doesn't have any built-in boolean types. What's the best way to use them in C? ...

### Difference between or and xor?

My question is operator related. Today I studied about the operators. Having a confusion. In PHP what is the differe...

### How to Create a Public Boolean in Java??

This is my first time asking a question here, so I'll ask you to bear with me: I am trying to create a public boolea...

### Python - While false loop?

fn='a' x=1 while fn: print(x) x+=1 if x==100: fn='' Output: 1 ... 99 fn='' x=1 while fn: ...

### How to simplify Boolean expression with XOR??

I want to simplify a boolean Expression. The Expression is something like this X1 xor (X2 || X3 &amp;&amp; X4 || x...

### Why is (a and (not b)) or (a and b) = a??

I reached the end of a pretty long Boolean simplification, where I was supposed to prove that something = a. I reach...

### How to use radio button correctly in rails??

I'm trying to create some radio buttons and I'm not sure how to. Following this question I've got it set up working...

### Java says this method has a constructor name?

I want to return the value of my array plus the return value of the recursive call. However for something reason ja...

### Convert True/False value read from file to boolean?

I'm reading a True - False value from a file and I need to convert it to boolean. Currently it always converts it to...

### Which MySQL data type to use for storing boolean values?

Since MySQL doesn't seem to have any 'boolean' data type, which data type do you 'abuse' for storing true/false info...

### How do I use boolean variables in Perl??

I have tried: \$var = false; \$var = FALSE; \$var = False; None of these work. I get the error message Bareword "fa...