timer

问题 I am building a progressive web app using React, the concept of which revolves around keeping a timer running. For context, the app is for home-brewers to keep track of when hops and other additions need to be added to their boil during their brew. Additions are added with a certain amount of time remaining in the boil, i.e. 1 oz Citra hops at 20 minutes remaining. I'm using JavaScript's setInterval to "tick" the timer, which is an elapsedSeconds state property that drives the rest of the

问题 I've created a program which edits a .txt file. This .txt file is used as a source of data for our website. These data change every hour. So, how can I make the python program run automatically every hour? I'm just a beginner, sorry. 回答1: If its windows Windows Task Scheduler For command-line usage, you can schedule with the at command. I'll add the schtasks command which is the replacement in newer MS OS. If its unix base then you can use cron. 回答2: For Linux and Unix, use crontab command to

问题 My goal is to create a view in SwiftUI that starts with 0. When you press the view, a timer should start counting upwards, and tapping again stops the timer. Finally, when you tap again to start the timer, the timer should begin at 0. Here is my current code: import SwiftUI struct TimerView: View { @State var isTimerRunning = false @State private var endTime = Date() @State private var startTime = Date() let timer = Timer.publish(every: 0.001, on: .main, in: .common).autoconnect() var tap:

问题 My goal is to create a view in SwiftUI that starts with 0. When you press the view, a timer should start counting upwards, and tapping again stops the timer. Finally, when you tap again to start the timer, the timer should begin at 0. Here is my current code: import SwiftUI struct TimerView: View { @State var isTimerRunning = false @State private var endTime = Date() @State private var startTime = Date() let timer = Timer.publish(every: 0.001, on: .main, in: .common).autoconnect() var tap:

问题 I have this C# code and I want it to trigger every minute. private void MyFunction() { if (DateTime.Now.Hour == 6 && ranalarm == false) { ranalarm = true; Event(); } else if (DateTime.Now.Hour != 6 && ranalarm == true) { ranalarm = false; } } How can I make function MyFunction() trigger every minute in C#? I tried working with timers but Visual Studio said it conflicted with my System.Windows.Forms . 回答1: You can use System.Threading.Timer and TimeSpan. Something like this: TimeSpan start =

问题 I have recently started learning Python and part of the simple app I am making includes a timer with a hh:mm:ss display running in its own thread. Looking around the web I found two ways of implementing this: Using sched.scheduler Using threading.Timer The way I did it looks similar for both implementations: sched: def tick(self, display, alarm_time): # Schedule this function to run every minute s = sched.scheduler(time.time, time.sleep) s.enter(1, 1, self.tick, ([display, alarm_time])) #

问题 I want to create a timer. When it times out, some actions will be taken. But, I can interrupt this timer and reset it. The pseudo code looks like below: def timeout(): print "time out!" T.cancel() # reset timer T T = Timer(60, timeout) T.start() T = Timer(60, timeout) def interrupt(): T.cancel() # reset timer T T = Timer(60, timeout) T.start() if __name__ == '__main__': T.start() while True: if something is True: # interrupt The solution I came up with is cancel the timer in function

问题 I want to create a timer. When it times out, some actions will be taken. But, I can interrupt this timer and reset it. The pseudo code looks like below: def timeout(): print "time out!" T.cancel() # reset timer T T = Timer(60, timeout) T.start() T = Timer(60, timeout) def interrupt(): T.cancel() # reset timer T T = Timer(60, timeout) T.start() if __name__ == '__main__': T.start() while True: if something is True: # interrupt The solution I came up with is cancel the timer in function

问题 I have created an app composed of one single activity which include a single TextView . Here is the XML of my activity : activity_main.xml <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="0dp" android:paddingLeft="0dp" android:paddingRight="0dp" android:paddingTop="0dp" tools:context=

问题 I have created an app composed of one single activity which include a single TextView . Here is the XML of my activity : activity_main.xml <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="0dp" android:paddingLeft="0dp" android:paddingRight="0dp" android:paddingTop="0dp" tools:context=