while-loop

问题 i'm trying to get my script to wait for user input (click of a button) before continuing, this is v feasible in other languages, but seems impossible in js. basically, i want the user to select an option within a given time frame, if the user selects the wrong option, they're told..script then conts...otherwise, if after a certain amount of time theres no response...script just continues again sowing them the correct ans, but there seems to be nothing in js to make the script wait for that

问题 I have put together a basic order list for admin users in php for checking order contents placed by logged in users. The aim of this script is to retrieve the order details (item, quantity, price) as well as the user’s first name and surname (where ‘Order for:’ is). The script below does everything ok in that it retrieves the order (and orders if there are more than one) and it’s/their item, quantity and price. However, it doesn’t display the user’s name and surname. I know the problem is

问题 Here is my code. <table border="1" style="width:800px"> <?php $schedule_db = mysql_query("SELECT * FROM schedule WHERE '00:00' is not null and '01:00' is not null and '02:00' is not null and '03:00' is not null and '04:00' is not null and '05:00' is not null and '06:00' is not null and '07:00' is not null and '08:00' is not null and '09:00' is not null and '10:00' is not null and '11:00' is not null and '12:00' is not null and '13:00' is not null and '14:00' is not null and '15:00' is not

问题 My brain its going to explode.. why this dont work? im trying to animate a few divs with time interval and trying to write less code but this dont work var cargaCont = function(){ o = 1; var animacion = function(i){ $('#page2txt'+i).animate({ height:'20' },200,function(){ $('#page2img'+i).animate({ left:'0', right:'0' },200,function(){ i++; return i; }); }); } while(o < 3){ setTimeout(function(){o = animacion(o);},200); } } 回答1: The problem with this code: while(o < 3){ setTimeout(function()

问题 I get a syntax error, when I execute the following code within the rails console: "syntax error, unexpected $end, expecting keyword_end" range = 2 my_array = Array.new(range) a = [1] i = 0 while i < range do a.each do |b| puts "test" end i += 1 end Does anyone know what I am doing wrong? The strange thing is, that the code is working on my server within a ruby file. Thanks a lot! tuxware 回答1: If you're executing it in IRB, it's likely that, as Beerlington said, it's linebreak issues. It'd

问题 function OnMouseDown () { rotationNumber +=1; } function Update () { while (rotationNumber == 1) { gameObject.GetComponent(SpriteRenderer).sprite = leftArrow; return; } while (rotationNumber == 2) { gameObject.GetComponent(SpriteRenderer).sprite = upArrow; return; } while (rotationNumber == 3) { gameObject.GetComponent(SpriteRenderer).sprite = rightArrow; return; } while (rotationNumber == 4) { gameObject.GetComponent(SpriteRenderer).sprite = upArrow; rotationNumber = 1; return; } } I want to

问题 I have made a program which is like a vending machine! My code is similar to: public static void main (String [] args) { Scanner sc = new Scanner (System.in); while(sc.hasNext()) { String string = sc.next(); sum = generateSum(sum) ..... } } public static int generateSum(int sum) { Scanner sc = new Scanner (System.in); while (sc.hasNext()) { .... } return sum; } Sorry for simplifying my code, but the normal one is very long! However, the problem is that I use while (sc.hasNext()) loop twice.

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 5 years ago . I am making a program that asks a user to put a input. If the user puts in the input it will show is input and then finish the program. How do I make the program start from the beginning? my code is built like this: (just showing the build not the code itself) please enter user input: while (x != y

问题 Hello I'm on a project who require me to find a string interval multiples times (from display_url to display_resources ) in a .txt file. For now I have my code like this but when I'm running it, it never break . The goal of this code is to : Search the strings from the le1 / le2 index as starting point. Update the new found index from the dat / det variables to le1 / le2 [to go to the next string interval in the .txt file (in my test they are four of them)] Add the le1 & le2 variables to the

问题 I'm having issues with the following block of code: Where $output is netstat -lnt | grep ":::60". Specifically the section under the comment #Create filename format my @lines = split /^/, $output; foreach my $line (@lines) { my ($garb, $long_ports) = (split /\s*:::\s*/, $line); #Get the last 2 digits of the 60XX port number my ($garb2, $ports) = (split /60/, $long_ports); #Split values to numbers 0-9 for correct filename format if ($ports < 10) { my ($garb3, $ports2) = (split /0/, $ports);