setinterval

Python Equivalent of setInterval()?

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问题 Does Python have a function similar to JavaScript's setInterval() ? Thanks 回答1: This might be the correct snippet you were looking for: import threading def set_interval(func, sec): def func_wrapper(): set_interval(func, sec) func() t = threading.Timer(sec, func_wrapper) t.start() return t 回答2: This is a version where you could start and stop. It is not blocking. There is also no glitch as execution time error is not added (important for long time execution with very short interval as audio

Python Equivalent of setInterval()?

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Do something every x minutes in Swift

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问题 How can I run a function every minute? In JavaScript I can do something like setInterval , does something similar exist in Swift? Wanted output: Hello World once a minute... 回答1: var helloWorldTimer = NSTimer.scheduledTimerWithTimeInterval(60.0, target: self, selector: Selector("sayHello"), userInfo: nil, repeats: true) func sayHello() { NSLog("hello World") } Remember to import Foundation. Swift 4: var helloWorldTimer = Timer.scheduledTimer(timeInterval: 60.0, target: self, selector:

Do something every x minutes in Swift

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Do something every x minutes in Swift

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阅读更多关于 setInterval

setInterval动作的作用是在播放动画的时，每隔一定时间就调用函数，方法或对象。可以使用本动作更新来自数据库的变量或更新时间显示。setInterval动作的语法格式如下： setInterval(function,interval[,arg1,arg2,......argn]) setInterval(object,methodName,interval[,arg1,arg2,.....argn]) 第一种格式是标准动作面板中setInterval函数的默认语法，第二种格式是在专家模式动作中使用的方法。其中的参数function是一个函数名或者一个对匿名函数的引用。object参数指定从Object对象派生的对象。methodName制定 object参数中要调用的方法。interval制定对function或methodName调用两次之间的时间，单位是毫秒。后面的arg1等是可选的参数，用于制定传递给function或是methodName的参数。 setInterval它设置的时间间隔小于动画帧速（如每秒10帧，相当于100毫秒），则按照尽可能接近interval的时间间隔调用函数。而且必须使用updateAfterEvent动作来确保以足够的频率刷新屏幕。如果interval大于动画帧速，则只用在每次播放头进入某一帧是才调用，以减小每次刷新屏幕的影响。

关于setInterval的用法

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javascript中的setInterval的函数主要是在制作动画或其他间隔性渲染（操作）效果时，对操作方法按照一定时间间隔进行调用的函数。 setInterval的表达式格式主要有： setInterval(fnname,time,par1,par2,........parn); setInterval(obj,fnname,time,par1,par2,......parn); 第一种是最常见的表达语法，其中fnname参数可以是一个匿名函数的引用或者是一个函数名，time是设定的调用faname的时间间隔，单位为毫秒，默认值为10毫秒，par1.......parn为可选参数，是传递给faname方法的参数。第二种是使用对象方法的语法，faname参数是obj对象的方法，其他参数同第一种语法。下面利用例子进行解释： //普通语法的第一种写法 setInterval(function(){ alert("我是setInterval方法打印结果")； }，3000) //每隔3秒打印一次 //普通语法的第二种写法 function alert1(){ alert("我是setInterval方法打印结果") } function alert2(str){ alert(str); } setInterval(alert1,3000); setInterval("alert1(

SetInterval function calls

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问题 I am getting into sort of confusion here. Please go through the below code, <script> setInterval(function1,3000); setInterval(function2(),3000); function function1() { console.log("Function1 called...."); } function function2() { console.log("Function2 called...."); } </script> As you can see I have two setInterval functions one calls function like function1 and another function2() . The output of first is perfect that gets called every 3sec and first call after 3sec. But second one gets

Show and Hide divs (with some delay) using setInterval (infinite loop)

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问题 If anyone can help me , I want this js process on one of my page: Delay of 60 sec; Show my div 1 for 20 sec; Delay of 60 sec; Show my div 2 for 20 sec; Delay of 60 sec; Show my div 1 for 20 sec; Delay of 60 sec; Show my div 2 for 20 sec; . . continue forever... I tried to use this solution! which I found at 'StockOverFlow' but not working correctly for me. Thank You 回答1: Here's some code that will do that: HTML: <div id="block1"></div> <div id="block2"></div> Javascript: var shortIntervalTime

How do I get my image slider to reset its auto-scroll timer after a click?

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问题 I have an image slider with n amount of images. It scrolls automatically between each one every 5 seconds. There is a "previous" and "next" button on either side of the slider. $('#button-next').click(function () { //goes to next slide }); $('#button-prev').click(function () { //goes to previous slide }); var _scrollInterval = AutoScroll(); function AutoScroll() { var temp = setInterval(function () { $('#button-next').click(); }, 5000) return temp; } My desired functionality is that when the