You should use r.nextInt(3); to get a number from the range 0-2. So, switch(r.nextInt(3)) { case 0: myVar = “a”; break; case 1: myVar = “b”; break; case 2: myVar = “c”; break; } 0 solved How do yo randomly assign a value to a variable? [closed]
$_POST is an associative array that is set by forms using the “method=post” attribute. You can access it like the following: Lets say you have the form: <form action=”” method=”post”> Name: <input type=”text” name=”first_name” /> <input type=”submit” value=”Submit” /> </form> You would access the “first_name” input box using the following variable: $_POST[‘first_name’] If “row” is … Read more
Staying as true to what you provided as I can, I end up with this. from math import sin, pi def I1(n, a, b): if n is None and a is None and b is None: h = 1000 a = 0 b = pi n = # ? else: h = (b – a) … Read more
Ok, now that you posted some code, you’re defining $iAccount_db in the correct place, but you’re trying to access it when inside the scope of a funcion , while the variable is defined outside of it. Bad solution: make $iAccount_db global (not recommended) A variant to this would be to make those variable CONSTANTS, since … Read more
Here is a pattern to follow, place your data operations in a separate class and call in your form. Here Login class could be whatever you want to call it with required properties. public class Login { public int Id { get; set; } . . . } Mocked data class, here since select * … Read more
You should think of the page as being built into one contiguous page, so that if you include a number of .asp files they will build up your finished page. For instance, if you have three files: File_1.asp <h1>Hello, World!</h1> File_2.asp <p>This file will be included too!</p> File_3.asp <%Dim version version = 1.1%> …and include … Read more
Firstly, declare some variables to work with for your test. Integer userScore=0; Integer totalScore=0; The percentage is userScore/totalScore*100. To add these up throughout the test, each of your questions should have something like this in them. if (answerIsCorrect) { userScore++; } totalScore++ To get the percentage, you just need to use your variables that have … Read more
form 3 is incorrect, should be: mail(“[email protected]”, $subject, $_POST[“school”], “From: Testing” ); $_POST[“school”]. 1 solved PHP – Passing Variables in 3 forms – Step1, Step2 and Step3 [closed]
Alright I get what your asking for now. The javascript below will make a call from your page to an external script (ajax/myscripthere.php) which will handle the SQL. In the php script, we simply handle our SQL like we normally would if this was not an AJAX call. Please accept answer if this is correct … Read more
a=b sets the value of variable a to the value of variable b. b=c sets the value of variable b to the value of variable c. This persists throughout the loop. When the while restarts, a,b and c keep the values you just set them as. 1 solved Javascript Algorithm Understanding
here is a simple way to do this : import random score = 0 number = int(raw_input (‘hello, please enter a times table you would like to practice \n’)) while number > 12 or number < 2: if number > 12: print ‘number is too big must be between 2 and 12 \n’ else: print … Read more
int *ptr_a = 1;doesn’t create a new int, this creates a pointer ptr_a and assigns a value of 1 to it, meaning that this pointer will point to the address 0x00000001. It’s not an integer. If you try to use the pointer later with *ptr_a = 2, you will get a segmentation fault because the … Read more
If d is the instance variable then it would be visibile to every method that you defined above. solved If I change the value of a variable in one function, will the changed value be used in another in Java?
First off, in C#, it’s typically better to make this a Property instead of a field with a “set method”: private int variable = 0; public int Variable { get { return this.variable; } set { this.variable = value; } } This is essentially two methods, but wrapped in much nicer syntax. As for the … Read more
Consider: std::vector <std::unique_ptr <Wire>> 2 solved Variable size array of pointers C++ [closed]