this is a suitable time to utilize the do while loop the way it works is it will execute the statement within the block without evaluating any conditions and then evaluate the condition to determine if the loop should run again this is what your program could look like #include <iostream> using namespace std; int … Read more
var p = promiseReturnedFromAFunction(); var time = new Date().getTime(); var user=”undefined”; p.then(() => { while(user === ‘undefined’ && Math.abs(time – new Date().getTime()) < 10000) { if(somecondition) { user=”user”; break; } } }); I think you have it inverted. You want to wait for the promise to resolve, then loop through your condition checks to make … Read more
Initialise a variable to 0, and increment it on every iteration? int num = 0; while (something) { num++; … } printf(“number of iterations: %d\n”, num);
The best approach would be to create a GUID, rather than an integer. PHP has built-in methods to create these unique codes. If you are inserting into a database, I would think that the most robust approach would be to create a primary key, and insert your entries one at a time. Since the DB … Read more
Because that is not a valid expression. Change this: while (player_bet >= 0 && <= end_money) To: while (player_bet >= 0 && player_bet <= end_money) Translation: while player-bet is 0 or bigger, and also while player-bet is end-money or smaller. Your original expression is roughly: while player_bet is zero or bigger and also while (something … Read more
Your SQL query/logic is completely wrong. What you should do is check if that user and password combination exits in database using WHERE clause. But actually you are doing is fetching each row and checking for equality. In such situation you can also get n numbers of wrong credentials. $query = mysql_query(“SELECT * FROM table … Read more
I have two possible solutions: 1.) it could be because you have a semi-colon after your while loop closing curly bracket. 2.) Whenever I user MySQL_fetch_array I index the $row variable. like: $query = “SELECT catID,cat_name,categoryColor FROM Categories”; while ($row = mysqli_fetch_array($result)) { $cat_id = $row[‘catID’]; $catName = $row[‘cat_name’]; $catColor = $row[‘categoryColor’]; My example while … Read more
I’ll keep it very simple, because this is very basic stuff. i = 10 Variable i is initialised as 10. while i > 0: print i*’*’ + 2*(10-i)*’ ‘ + i*’*’ i -= 1 While variable i is bigger than 0, it prints the string * i times, an empty space 2 * (10 – … Read more