timer

问题 Im trying to make it so that my timer adds 5 seconds every time I press the button. I've learnt that I need to cancel the previous timer and create a new one for it to work the way I want it to. When I press the button once, the timer adds 5 seconds and everything works fine as its supposed to. My problem arises when I press the button multiple times. The timer will flicker between many different timers instead of staying on the latest one. Every time I press the button, another timer is

问题 I'm learning javascript for fun, and am having a weird problem. I'm trying to create my own fade-in function. However, my code doesn't work, it simply shows the "content" div in full opacity. The setContentOpacity function does work, I've tested it by itself and it works like a charm. Ideally what I think should be happening is that 1000 "setTimeout" calls should be placed on the "stack", with the first one setting opacity low with no timeout, the second one setting opacity a little higher

问题 I need to to show a countdown timer with 2 time periods, for example i need it to count down a 45 sec, then count down 15 sec and then loop it all over again 4 times. I tried this code but it seems to start all the timers at ones. I want at to start the first timer and wait till it finish and then start the second timer wait till it finish and then loop it again. what should i do?? for (int i = 0; i < labsNum; i++) { currLabTV.setText("LAB " + (i + 1)); if(isWorking) { timer = new WorkCounter

问题 So I am trying creating a proof of concept for a bigger project. I am currently working on a timed quiz, that has only 1 question, and you have 10 seconds to answer. What im really asking I know I can read the users input by doing "cin << Var" or "Var = _getch()" and I can make a timer by doing clock_t timer; timer = clock(); //Code timer = clock() - t; But how do you put that all together? can you have a timer running while it's asking for input? It doesn't seem like it would, since c++ goes

问题 I would like to run a function (make an api call) at fixed time everyday, say 10 am and 10 pm daily. What would be the cronjob equivalent in swift? I tried implementing Timer as: var dateComponents = DateComponents() dateComponents.timeZone = TimeZone(abbreviation: "NPT") dateComponents.hour = 10 dateComponents.minute = 00 let userCalendar = Calendar.current let myTime = userCalendar.date(from: dateComponents) let timer = Timer(fireAt: myTime!, interval: 0, target: self, selector: #selector

问题 I would like to run a function (make an api call) at fixed time everyday, say 10 am and 10 pm daily. What would be the cronjob equivalent in swift? I tried implementing Timer as: var dateComponents = DateComponents() dateComponents.timeZone = TimeZone(abbreviation: "NPT") dateComponents.hour = 10 dateComponents.minute = 00 let userCalendar = Calendar.current let myTime = userCalendar.date(from: dateComponents) let timer = Timer(fireAt: myTime!, interval: 0, target: self, selector: #selector

问题 I'm trying to time an application to see how long it takes to load up some information, and paint a graph. My function loads up the data first, then draws the graph. The timing is fairly simple, it calls an external function that gets msecs since some date. The problem is even if I set t1 in the beginning and t2 right after I call the draw function, t2 will return before the QGraphicsView is actually updated. (I know, it makes sense why this should be asynchronous) For instance when I load a

问题 I did this first into a WinForm project, now I've changed the application type to "Console application", I've deleted the form1.vb, changed the startup object to this "Module1.vb" but now I can't run the app. well the app runs but the timer tick is doing nothing, the code is exactly the same, I only did one change for the sub main/form1_load name What I'm doing wrong? PS: I've tested if the error was in the conditional of the lock method and all is good there, the problem is with the ticker

问题 I have this Javascript count down timer that works perfectly. Only problem is i can use it for only one time in one page. I want to use it multiple times. I think script use id ="timer" that is why i am not able to use it multiple times. Below is the JS code: <script> var startTime = 60; //in Minutes var doneClass = "done"; //optional styling applied to text when timer is done var space = ' '; function startTimer(duration, display) { var timer = duration, minutes, seconds; var intervalLoop =

问题 I was reading different threads on the subject which suggested the Swing Timer class or SwingUtilities.InvokeLater ...but I am having a lot of trouble wrapping my head around them. I used atomicInteger to create my countdown timer and it works fine in the console. However, When I try to incorporate it in Swing, it only updates the starting and ending value (e.g. set a 5 sec countdown will display in the frame: "5" -> after 5 seconds -> "0". Is there any simple way for me to keep and "refresh"