boolean

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Declared but unset variable evaluates as true?

I was doing a simple calculator with the following code. Right now it executes perfectly. When I tried to change things around, however, it doesn\'t work. I used BOOL program to check whether to conti[详细]

2023-04-06 14:37 分类：问答
How declare a javascript variable and assign the value to a php file which returns a boolean value

For context: I am busy using javascript for checking fields in a form. The problem is to work around being unable to retrieve data from the database. All the checks except for making sure its a unique[详细]

2023-04-06 05:38 分类：问答
JS double exclamation -- is there any good reason to use it?

I\'ve been debating this topic with a co-worker for about a week. I\'m very much a fan of shorthand code, using ternaries, etc., wherever I can. Lately, he\'s been picking on me about my use of double[详细]

2023-04-06 03:48 分类：问答
Don't understand static boolean behavior

I have a header file that has some static variables for all of my files to use. I have a boolean variable开发者_StackOverflow中文版 in there initialized to 0 -[详细]

2023-04-06 03:14 分类：问答
boolean type manipulation

this code #include <iostream> using namespace std; int main(){ bool t=false; cout<<t &&(!t)<<endl;[详细]

2023-04-06 01:31 分类：问答
Boolean returning case

I need to join two tables. If b column is empty then the join will be done on c column. If not the join will be on b column.[详细]

2023-04-06 01:15 分类：问答
Spring MVC boolean/radio button default value

I am using a boolean i开发者_如何学JAVAn my Spring MVC form. However, when the form first displayed the boolean defaults to false. I want the boolean to be initialized to something equivalent to null,[详细]

2023-04-06 01:09 分类：问答
Connected to database but information returns as bool

mysql_select_db(\'fireworks\', $conn); $ask = \"SELECT * FROM name\"; $result = mysql_query($ask, $conn) or die();[详细]

2023-04-05 22:03 分类：问答
how to bubble up a bool from inner contained class to outer contains class

I have 3 classes: class A { public B b = new B(); public bool flag {get; set;} } class B { piblic开发者_StackOverflow C c = new C();[详细]

2023-04-05 21:45 分类：问答
Help need for specific boolean logic

CaptchaIsExistCaptchaIsValid=Result -------------- 开发者_如何学Go--------------------- truefalse=false[详细]

2023-04-04 18:13 分类：问答