Month: January 2023

[Solved] warning of mysqli_real_escape_string() for this code [closed]

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Your parameters are in the wrong order, read the documentation again. For example: $username = mysqli_real_escape_string(trim($_POST[“username”]), $db); Should be: $username = mysqli_real_escape_string($db, trim($_POST[“username”])); See http://php.net/mysqli_real_escape_string (the procedural style) for the right parameter order. 5 solved warning of mysqli_real_escape_string() for this code [closed]

[Solved] Error input string was not in correct formalt

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I think just you need to check the value of your textbox first cause you can`t convert null value to Double if (textBox1.Text!=””) { m = kilometer * Convert.ToDouble(textBox1.Text);//here is the problem textBox2.Text = m.ToString(); } or give textBox1 initial value before start calculation, Note: If you use number Regex for TextBox1 this will be … Read more

[Solved] How to show all arrays without numbers etc

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This is nothing related to PDO. You might wanna do this: for ($i = 0; $i < count($tijdlijn); $i++) print_r ($tijdlijn[$i][‘bericht’]); Or in a better way: foreach ($tijdlijn as $tijd) print_r ($tijd[‘bericht’]); 0 solved How to show all arrays without numbers etc

[Solved] iOS – how to move between view controllers without a button press

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performSegue:withIdentifier: should work unless you have not setup the the storyboard correctly. What error do you get on doing performSegue:withIdentifier: ? Did you setup a segue in storyboard connecting the two view controllers and does that segue have an identifier called secondViewcontroller? Take a look at this Storyboard tutorial. 2 solved iOS – how to … Read more

[Solved] why my password isn’t changed?

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this part: cmd.ExecuteNonQuery(); cmd.Parameters.Clear(); cmd.Dispose(); cmd = null; db.Close(); db.Open(); SqlDataReader DR; DR = cmd.ExecuteReader(); why do you execute a non query, which is a query (select * from …)? why do you dispose the SqlCommand object cmd and why do you reuse it after disposing? why do you close and open the line below? … Read more

[Solved] Make a triangle shape in C++ [duplicate]

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This code works fine for a right angled triangle – * ** *** But I guess you want a triangle like this – * *** ***** Try this – #include <iostream> using namespace std; int main() { int i, j, k, n; cout << “Please enter number of rows you want to see: \n”; cin … Read more

[Solved] Get letters from string swift

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You can do it this way: let myString = “so123han” let alphaChars = myString.unicodeScalars.filter({ CharacterSet.letters.contains($0) }).map({ Character($0) }) 3 solved Get letters from string swift

[Solved] Adding element from for loop to an array

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Since you can use C++, the default option for storing an array of integers is std::vector: std::vector<int> wave; for (int i = 0; i <= 4000; i += 100) wave.push_back(i); If you want to have a C array as the result (e.g. for compatibility with other code that uses such arrays), because you know the … Read more