debouncing

Throttle JavaScript function calls, but with queuing (don't discard calls)

时光毁灭记忆、已成空白 提交于 2019-12-03 16:58:43
问题 How can a function rate-limit its calls? The calls should not be discarded if too frequent, but rather be queued up and spaced out in time, X milliseconds apart. I've looked at throttle and debounce, but they discard calls instead of queuing them up to be run in the future. Any better solution than a queue with a process() method set on an X millisecond interval? Are there such standard implementations in JS frameworks? I've looked at underscore.js so far - nothing. 回答1: Should be rather

VHDL: button debounce inside a Mealy State Machine

情到浓时终转凉″ 提交于 2019-12-02 19:04:27
问题 Hi I'm trying to implement a mealy machine using VHDL, but I'll need to debounce the button press. My problem is I'm not sure where should I implement the debouncing. My current work is like this: process(clk) begin if(clk' event and clk = '1') then if rst = '1' then curr_state <= state0; else curr_state <= next_state; end if; end if; end process; process(curr_state, op1,op0,rst) --here op1,op0 and rst are all physical buttons and I need to debounce op1 and op0 begin if rst = '1' then ...some

VHDL: button debounce inside a Mealy State Machine

怎甘沉沦 提交于 2019-12-02 10:35:26
Hi I'm trying to implement a mealy machine using VHDL, but I'll need to debounce the button press. My problem is I'm not sure where should I implement the debouncing. My current work is like this: process(clk) begin if(clk' event and clk = '1') then if rst = '1' then curr_state <= state0; else curr_state <= next_state; end if; end if; end process; process(curr_state, op1,op0,rst) --here op1,op0 and rst are all physical buttons and I need to debounce op1 and op0 begin if rst = '1' then ...some implementation else ...implement the debounce logic first ...process some input case curr_state is

My implementation of debounce axios request left the promise in pending state forever, is there a better way?

此生再无相见时 提交于 2019-12-01 21:26:28
I need a simple debounce function with immediate always true. Without resorting to lodash and with the help of Can someone explain the "debounce" function in Javascript , I implemented it as following, function debounce(func, wait) { var timeout; return function() { if (!timeout) func.apply(this, arguments); clearTimeout(timeout); timeout = setTimeout(()=>{timeout = null}, wait); }; }; It works as expected until I need to debounce axios request. Assumed I have a debounced axios method, I would like the calling method to be as usual, which means my debounced axios method should return promise I

How to debounce Textfield onChange in Dart?

对着背影说爱祢 提交于 2019-11-30 17:54:23
I'm trying to develop a TextField that update the data on a Firestore database when they change. It seems to work but I need to prevent the onChange event to fire multiple times. In JS I would use lodash _debounce() but in Dart i don't know how to do it. I've read of some debounce libraries but i can't figure out how they works. That's my code, it's only a test so something may be strange: import 'package:flutter/material.dart'; import 'package:cloud_firestore/cloud_firestore.dart'; class ClientePage extends StatefulWidget { String idCliente; ClientePage(this.idCliente); @override

How to debounce Textfield onChange in Dart?

删除回忆录丶 提交于 2019-11-30 00:38:26
问题 I'm trying to develop a TextField that update the data on a Firestore database when they change. It seems to work but I need to prevent the onChange event to fire multiple times. In JS I would use lodash _debounce() but in Dart i don't know how to do it. I've read of some debounce libraries but i can't figure out how they works. That's my code, it's only a test so something may be strange: import 'package:flutter/material.dart'; import 'package:cloud_firestore/cloud_firestore.dart'; class

Debounce jquery scroll events

眉间皱痕 提交于 2019-11-28 10:53:29
问题 I just have a general question about debouncing. I have three menus at different positions on the page that when they reach a position 85px from the top of the window on scroll they become fixed. They are layered to overlap as they reach the top. I currently have a function for each and am looking to optimise as much as possible. My reading indicates the .offset.top calculation is quite taxing. My question is: Am I overthinking it and is it necessary to debounce in this case? If my

What does RxJS.Observable debounce do?

末鹿安然 提交于 2019-11-28 10:49:11
Can anybody explain in plain English what RxJS Observavle debounce function does? I imagine it emits an event once in a while depending on the parameters, but my code below doesn't work as I expected. var x$ = Rx.Observable.fromEvent(window, 'click') .map(function(e) {return {x:e.x, y:e.y};}) .debounce(1000) .subscribe(function(el) { console.log(el); }); and the JsBin version . I expected that this code would print one click once per second, no matter how fast I am clicking. Instead it prints the click at what I think are random intervals. Debounce will emit a value after a specified time

C# event debounce

安稳与你 提交于 2019-11-28 04:56:56
I'm listening to a hardware event message, but I need to debounce it to avoid too many queries. This is an hardware event that sends the machine status and I have to store it in a database for statistical purposes, and it sometimes happens that its status changes very often (flickering?). In this case I would like to store only a "stable" status and I want to implement it by simply waiting for 1-2s before storing the status to the database. This is my code: private MachineClass connect() { try { MachineClass rpc = new MachineClass(); rpc.RxVARxH += eventRxVARxH; return rpc; } catch (Exception

Debounce function in jQuery

吃可爱长大的小学妹 提交于 2019-11-27 14:37:21
I'm attempting to debounce a button's input using the jquery debouncing library by Ben Alman. http://benalman.com/code/projects/jquery-throttle-debounce/examples/debounce/ Currently this is the code that I have. function foo() { console.log("It works!") }; $(".my-btn").click(function() { $.debounce(250, foo); }); The problem is that when I click the button, the function never executes. I'm not sure if I've misunderstood something but as far as I can tell, my code matches the example. I ran into the same issue. The problem is happening because the debounce function returns a new function which