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@Venryx
Venryx / Example.tsx
Last active February 9, 2023 22:36
Using "useImperativeHandle" in a React functional component, with automatic TypeScript typing
import {forwardRef, useImperativeHandle, ForwardRefExoticComponent, RefAttributes, Ref} from "react";
export type Handle<T> = T extends ForwardRefExoticComponent<RefAttributes<infer T2>> ? T2 : never;
export const Parent = (props: {})=> {
let childHandle: Handle<typeof Child>;
return (
<div onClick={()=>childHandle.SayHi()}>
<Child name="Bob" ref={c=>childHandle = c}/>
</div>
// create a bookmark and use this code as the URL, you can now toggle the css on/off
// thanks+credit: https://dev.to/gajus/my-favorite-css-hack-32g3
javascript: (function() {
var elements = document.body.getElementsByTagName('*');
var items = [];
for (var i = 0; i < elements.length; i++) {
if (elements[i].innerHTML.indexOf('* { background:#000!important;color:#0f0!important;outline:solid #f00 1px!important; background-color: rgba(255,0,0,.2) !important; }') != -1) {
items.push(elements[i]);
}
}
@bastman
bastman / docker-cleanup-resources.md
Created March 31, 2016 05:55
docker cleanup guide: containers, images, volumes, networks

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

@xiaojue
xiaojue / rem.js
Created October 13, 2015 13:48
rem.js
/*
* rem.js
* v0.1.1
* fixed 2015-3-12
*/
(function (win){
var doc = win.document,
html = doc.documentElement,
option = html.getAttribute('data-use-rem');
@joshbeckman
joshbeckman / animatedScrollTo.js
Created September 30, 2013 14:51
ScrollTo animation using pure javascript and no jquery
document.getElementsByTagName('button')[0].onclick = function () {
scrollTo(document.body, 0, 1250);
}
function scrollTo(element, to, duration) {
var start = element.scrollTop,
change = to - start,
currentTime = 0,
increment = 20;
@davoclavo
davoclavo / dataURItoBlob.js
Last active September 2, 2024 04:00
Convert dataURI to Blob so large images do not crash the browser. Based on: http://stackoverflow.com/questions/10412299 and http://stackoverflow.com/questions/6850276
/*
The MIT License (MIT)
Copyright (c) 2016 David Gomez-Urquiza
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION