[Solved] I don’t understand this hash-function code

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The purpose of a hash function ist to retrieve a unique value for a given sequence (of bytes, characters, …). Therefore you need the length of the sequence, here with ‘strlen’. Without bit shift operator (<<) you would get the same result for the sequence ‘abc’ and ‘cba’. The xor operator (^) ‘scrambles”https://stackoverflow.com/”hashes’ the current … Read more

[Solved] I am a Python noob and I cannot get the correct output for a tutorial. Can you direct me to the syntax for my function call [closed]

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I believe that you are trying for these : the_array = [] while True: sval = input(‘Enter a number: ‘) if sval == ‘done’: break try: ival = int(sval) the_array.append(ival) except: print(‘Invalid input’) continue def maximum(values): num1 = 0 for i in values: if i >= num1: num1 = i return num1 def minimum(values): num2 … Read more

[Solved] What is difference between using a colon (:) when creating a class to use inheritance and the ‘using’ keyword at the top of the program code?

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What is difference between using a colon (:) when creating a class to use inheritance and the ‘using’ keyword at the top of the program code? solved What is difference between using a colon (:) when creating a class to use inheritance and the ‘using’ keyword at the top of the program code?

[Solved] What does char a[50][50] mean in C?

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char a[50][50] declares a as a 50-element array of 50-element arrays of char. That means each a[i] is a 50-element array of char. It will be laid out in memory like: +—+ a: | | a[0][0] +—+ | | a[0][1] +—+ | | a[0][2] +—+ … +—+ | | a[0][49] +—+ | | a[1][0] +—+ … Read more

[Solved] My Jquery isn’t “throwing” anything

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Introduction If you are having trouble getting your jQuery code to work, you are not alone. Many developers have experienced the same issue. Fortunately, there are a few steps you can take to troubleshoot and resolve the issue. In this article, we will discuss the common causes of jQuery not “throwing” anything and how to … Read more

[Solved] Issue validating user credentials in custom authentication form [closed]

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I can only hazard a guess at what you are asking, but if you want the username and password to both be correct before showing the form use this instead if (tbUsername.Text == “username”) { if(tbPassword.Text == “password”) { AdminMainMenu x = new AdminMainMenu(); x.Show(); t.Play(); this.Dispose(); } else { MessageBox.Show(“Wrong password”, “Error”); } } … Read more

[Solved] Making smooth effect in WPF manually in C# with DispatcherTimer

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The ApplicationHelper.DoEvents() in dt_Tick probably does nothing, since there are no events to process. At least not the ones you’re probably expecting. If I’m not mistaken, your code will just quickly set the Radius to 0, then 1, 2, and so on in quick succession, and finally to 19. All of that will happen every … Read more

[Solved] how list methods work? [duplicate]

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List<Book> list Here list is a reference to an object, not an object itself. When you call interface methods on this reference, you are actually calling the overridden methods of some concrete class that this reference points to. To illustrate List<Book> list = new List<Book>(); //Illegal List<Book> list = new ArrayList<Book>(); //legal ArrayList is a … Read more

[Solved] PHP in array not working

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The reason I can think of why this returns ERROR: if (in_array(array(‘string’, ‘id’), array(‘string’, ‘id’))) { echo ‘IN ARRAY’; } else { echo ‘ERROR!’; } is because PHP is checking each of the haystack’s values against the needle itself. Suppose you have 2 arrays like so: $a = array(‘string’, ‘id’); $b = array(‘string’, ‘id’); $a … Read more