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typescript - calling function at random intervals in ionic


typescript - calling function at random intervals in ionic

By : siwach
Date : December 01 2020, 04:52 PM
it should still fix some issue Can you update your setTimeout(this.myFunction, rand * 1000); function to,
code :
setTimeout(this.myFunction.bind(this), rand * 1000);


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calling a function in android after intervals?

calling a function in android after intervals?


By : user2129759
Date : March 29 2020, 07:55 AM
like below fixes the issue Use CountDownTimer
code :
 CountDownTimer t = new CountDownTimer( Long.MAX_VALUE , 10000) {

        // This is called every interval. (Every 10 seconds in this example)
        public void onTick(long millisUntilFinished) {
            Log.d("test","Timer tick");
        }

        public void onFinish() {
            Log.d("test","Timer last tick");            
            start();
        }
     }.start();
Calling function recursively at regular intervals

Calling function recursively at regular intervals


By : Kenneth Delacruz Bal
Date : March 29 2020, 07:55 AM
Hope that helps So I was wondering what is a better way (in terms of stack growth and performance) to recursively call a function at regular intervals? For example, lets say I want to read file contents every 200 ms. I have the following two methods and was wondering if they are any different? , There is no recursion in the following simplified example:
code :
function test()
{
   console.trace();
   setTimeout(test, 1000);
}

test();
Trace
    at test (/private/tmp/rec.js:3:12)
    at Object.<anonymous> (/private/tmp/rec.js:7:1)
    at Module._compile (module.js:449:26)
    at Object..js (module.js:467:10)
    at Module.load (module.js:356:32)
    at Function._load (module.js:312:12)
    at module.js:487:10
    at EventEmitter._tickCallback (node.js:238:9)
Trace
    at Object.test [as _onTimeout] (/private/tmp/rec.js:3:12)
    at Timer.ontimeout (timers.js:101:19)
Trace
    at Object.test [as _onTimeout] (/private/tmp/rec.js:3:12)
    at Timer.ontimeout (timers.js:101:19)
Trace
    at Object.test [as _onTimeout] (/private/tmp/rec.js:3:12)
    at Timer.ontimeout (timers.js:101:19)
Trace
    at Object.test [as _onTimeout] (/private/tmp/rec.js:3:12)
    at Timer.ontimeout (timers.js:101:19)
Trace
    at Object.test [as _onTimeout] (/private/tmp/rec.js:3:12)
    at Timer.ontimeout (timers.js:101:19)
Trace
    at Object.test [as _onTimeout] (/private/tmp/rec.js:3:12)
    at Timer.ontimeout (timers.js:101:19)
call function periodically at random intervals in Swift

call function periodically at random intervals in Swift


By : jeffreymlarson
Date : March 29 2020, 07:55 AM
I wish this helpful for you I am trying to call a function 10 times at random intervals between them. , Try this in the playground. Hope it helps:
code :
    func after(delay: Double, block: () -> Void) {

        let delayTime = dispatch_time(DISPATCH_TIME_NOW, Int64(delay * Double(NSEC_PER_SEC)))

        dispatch_after(delayTime, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)) {
            block()
        }
    }

    func repeatBlock(counter: Int = 1, times: Int, block: () -> Void) {

        after(Double(arc4random_uniform(4) + 2)) {

            block()

            if counter < times {
                repeatBlock(counter + 1, times: times, block: block)
            }
        }
    }

    //client's code
    var counter = 0
    repeatBlock(times: 10) {
        //your code here
        print(NSDate())
    }
    sleep(100)
Calling a function indefinitely at random intervals

Calling a function indefinitely at random intervals


By : Somto Idigo
Date : March 29 2020, 07:55 AM
I wish this helpful for you a couple things to note, if that code worked you could run into some issues where a Frisbee is set to fire at 3 seconds and then it runs the action again and the next could fire at 0 seconds (doubling up the actions) and potentially the next action could fire at 0 seconds (tripling up the action) kinda a mess.
But that code won't work anyway, what is happening is that you are getting a random value TimeInterval(arc4random_uniform(3)) but you are essentially hard coding that action with that random value. when the action repeats it will always have that hard coded random value in it. so if the first time you run it and it generates a random 2 it will always run every 2 seconds.
code :
let wait = SKAction.wait(forDuration: 5)
run(wait) {
    self.setupFireFrisbee() 
}

func setupFireFrisbee() {
    action = SKAction.sequence([SKAction.run(fireFrisbee), SKAction.wait(forDuration: TimeInterval(arc4random_uniform(3)))])
    //completion shortcut {} after action
    run(action) {
        self.setupFireFrisbee() 
    }
}
Calling of typescript code from javascript doesn't work in ionic

Calling of typescript code from javascript doesn't work in ionic


By : Minh
Date : March 29 2020, 07:55 AM
hope this fix your issue You must understand that TypeScript is not a stand-alone programming language. It comes on-top of JavaScript, as a superset ( which means that once a TypeScript program is written and compiled, it is essentially a JavaScript program ). You could easily try writing the equivalent JavaScript code, if you want to do the trick. If you go to the TypeScript Playground you could really fast transpile your TS code into JS code ( if not too complex of course ) . Anyway , here is a bit of a refresher how can you achieve what you asked :
code :
     var success = function () {
    alert("JS method called");
    typescriptMethod();
};
var MainClass = /** @class */ (function () {
    function MainClass() {
        success();
    }
    MainClass.prototype.typescriptmethod = function () {
        alert("typescript method called");
    };
    return MainClass;
}());
var MainClass = /** @class */ (function () {
    function MainClass() {
        success(); // JS method called 
    }
    MainClass.typescriptMethod = function () {
        alert("typescript method called");
    };
    return MainClass;
}());
var success = function () {
    alert("JS method called"); // alert displayed 
    MainClass.typescriptMethod(); // Defined in class of typescript
};
success();
var MainClass = /** @class */ (function () {
    function MainClass() {
        success(this); // JS method called 
    }
    MainClass.prototype.typescriptMethod = function () {
        alert("typescript method called");
    };
    return MainClass;
}());
var success = function (instance) {
    alert("JS method called"); // alert displayed 
    instance.typescriptMethod(); // Defined in class of typescript
};
success(new MainClass());
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