stopwatch | 易学教程

how detect stop or running a php script from out and background

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问题 I have this code: <?PHP ignore_user_abort(true); set_time_limit (0); while(1) { // my codes } ?> now After a while how to detect that script is running yet or not? I used this role for this question: <?PHP ignore_user_abort(true); set_time_limit (0); while(1) { // my codes $statusfile = strtolower(file_get_contents('status.txt')); // for stop checking if (!(strpos($statusfile,'stop') !== false)) break; $status = /* my status */; // for writing status of itself file_put_contents('status.txt',

Android Chronometer starts and stops but carries on counting when stopped

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问题 I've created an app that has a toggle button to start and stop a Chronometer, like a stop watch. When you first press the toggle button (executes .start() ), the chronometer will start counting, when you then press the button again (executes .stop() ), the chronometer appears on screen to stop counting as it should but when it is then started again it shows that it's actually still been counting in the background and shows the time on screen as if it was never stopped code: tglStartStop

StopWatch Loop using VB.NET

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问题 I want to create a simple timer with this interface using VB.NET I want to press Button1 and to start counting seconds in the textbox. I do not want to use the Timer Component because it does not offer high resolution. So, I decided to use a stopWatch Class due to its high resolution according to specifications. But according to my VB.NET code below it seems to me that the whole "dotnet adventure" is impossible. That is because when I press Button1 the whole form it freezes and I cannot press

Should I use Ajax Timer?

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问题 I want to have a stopwatch on the site, which displays running time on the label without reloading a page. Is it possible to do this on client side? Should I use Ajax timer or smth else from .net? Website is in C#. Some links or demos would be really helpful ! Thanks ! 回答1: You can do this with basic JavaScript using setTimeout: var totalSeconds = 0 function stopwatch() { // increment the seconds totalSeconds++; // display the seconds to the user document.getElementById("<%=myLabel.ClientID%>

Spring AOP 实现方法日志记录以及执行时间打印

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注意：proxy-target-class="true" 这是决定是走jdk代理还是spring cglib代理的。高版本的（貌似）可以忽略。 1.在spring 相关配置文件中假如如下配置：  <aop:config proxy-target-class="true">  <aop:advisor id="methodTimeLog" advice-ref="methodTimeAdvice" pointcut="execution(* *..service..*(..))"/> </aop:config> <bean id="methodTimeAdvice" class="com.ra.fire.utils.MethodTimeAdvice"> </bean> 2.实现spring aopalliance-1.0.jar 包中的的 MethodInterceptor 接口，实现类如下： package com.ra.fire.utils; import org.aopalliance.intercept.MethodInterceptor; import org.aopalliance.intercept.MethodInvocation; import org.apache

Commons-lang3提供的StopWatch执行时间监视器

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Commons-lang3提供的StopWatch执行时间监视器, spring也提供了同样功能的工具前言我们如果要统计一段代码的执行时间：我们的办法是 public static void main(String[] args) { long startTime=System.currentTimeMillis(); //获取开始时间 //函数主体代码 //... long endTime=System.currentTimeMillis(); //获取结束时间 System.out.println("程序运行时间： "+(endTime-startTime)+"ms"); } 倘若我们要展示成秒、甚至分钟，还得我们自己处理可能到了JDK8以后，我们变得稍微优雅一些了可以这么处理： Instant start = Instant.now(); //doSomething(); Instant end = Instant.now(); Duration duration = Duration.between(start, end); System.out.println("millis = " + duration.toMillis()); 这个比上面优雅一点，灵活度也更强一些。但定义的变量有点多，总体上还是不够优雅。因此本文介绍StopWatch执行时间监视器

Create a Stopwatch Counter Control in Windows 10 Mobile App

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问题 I'm currently working on Windows 10 Mobile App And I want to make a stopwatch like this: I followed this tutorial: Create a StopWatch Counter control in WPF(XAML) But I'm working on Windows 10, so I can't use IMultiValueConverter Any suggestion to help me go through this.. Thank you so much. 回答1: Here is something with what you can start - in this post Arek Kubiak liked source to his arc which can be used for example like this: <Grid Background="{ThemeResource

Chronometer save time on fragment change

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问题 So my app has 1 activity and 4 fragments and one of them has Chronometer to show how much time is passed. It works fine, but I have one issue that the chronometer keeps going back to 00:00 every time I move to another fragment and come back. I know it is because my startStopWatch() method is in OnCreateView, but is there any way to make it continue from where it stopped? Is it possible to use Bundle class to solve this? If so, how? Here is my code for Chronometer, all are in one fragment:

Attach an event handler to a StopWatch

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问题 I would like to attach an event handler to a Stop Watch. Can someone please provide a code snippet in C# or VB? I'v Bing'd it with no luck. 回答1: Have a Bing for Timer instead... That ought get you there... One decent one in particular: http://dotnetperls.com/timer 回答2: here is an example of a Timer I use for a backup program I wrote that will start in 5 seconds after instantiating it and fire the callback (tick) every hour: private System.Threading.Timer AutoRunTimer; private void Form1_Load

How do I display changing time within a TextBlock?

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问题 So I have a stopwatch and all I want is for it to be display on a textblock. How can I do that? 回答1: Create a TimerViewModel, that looks something like this: public class TimerViewModel : INotifyPropertyChanged { public TimerViewModel() { timer = new DispatcherTimer(); timer.Interval = TimeSpan.FromSeconds(1); timer.Tick += new EventHandler(timer_Tick); timer.Start(); startTime = DateTime.Now; } private DispatcherTimer timer; private DateTime startTime; public event