Juan del Río Pacheco maese

DNI Electrónico en Mac

El lector que voy a usar es el SVEON SCT011M, que es el mas barato que encontré en tienda física y tiene un precio razonable en Amazon: https://www.amazon.es/dp/B072LTLZW3/

Estos son los pasos que he seguido:

Descargar Firefox (he probado con la ultima version, 86.0.1)
Enchufar el lector, sin el DNI (no se si es importante hacerlo aquí o se puede hacer luego, pero mejor no nos arriesgamos, yo lo hice aquí y me ha funcionado)
Descargar libpkcs11 para Intel o para Apple Silicon. Estos enlaces estan en la web oficial del DNI Electrónico por si quieres ver si hay alguna versión más reciente.
Instalar el paquete (los ficheros se copiaran en /Library/Libpkcs11-dnie, y en esa misma carpeta se instalara una app para desinstalarlo en e

Strings

`String.prototype.*`

None of the string methods modify this – they always return fresh strings.

charAt(pos: number): string ^ES1

Returns the character at index pos, as a string (JavaScript does not have a datatype for characters). str[i] is equivalent to str.charAt(i) and more concise (caveat: may not work on old engines).

This content moved here: https://exploringjs.com/impatient-js/ch_arrays.html#quickref-arrays

Steps to publish a npm package to beta that won't be available via latest and won't auto install on ncu updates etc

Ensure any compile is run npm run dist etc
Modify version in package.json to the following format (match with existing verion numbers etc) "version": "0.1.120-beta.1" where beta.x is the number of those betas
Publish to npm npm publish --tag beta

There are two options for install:

Always install beta with npm install packagename@beta
Install specific version with npm install [email protected]

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

The 0.13.0 improvements to React Components are often framed as "es6 classes" but being able to use the new class syntax isn't really the big change. The main thing of note in 0.13 is that React Components are no longer special objects that need to be created using a specific method (createClass()). One of the benefits of this change is that you can use the es6 class syntax, but also tons of other patterns work as well!

Below are a few examples creating React components that all work as expected using a bunch of JS object creation patterns (https://github.com/getify/You-Dont-Know-JS/blob/master/this%20&%20object%20prototypes/ch4.md#mixins). All of the examples are of stateful components, and so need to delegate to React.Component for setState(), but if you have stateless components each patterns tends to get even simpler. The one major caveat with react components is that you need to assign props and context to the component instance otherwise the component will be static. The reason is

	curl -I -X OPTIONS \
	-H "Origin: https://requesting-site.com" \
	-H 'Access-Control-Request-Method: GET' \
	https://responding-site.com 2>&1 \| grep 'Access-Control-Allow-Origin'

	(function (context, trackingId, options) {
	const history = context.history;
	const doc = document;
	const nav = navigator \|\| {};
	const storage = localStorage;
	const encode = encodeURIComponent;
	const pushState = history.pushState;
	const typeException = 'exception';
	const generateId = () => Math.random().toString(36);
	const getId = () => {

	// Both params accept the same format as the Date object (IETF-compliant RFC 2822 timestamps and also a version of ISO8601).
	// This is a basic version (supports just years and months, it assumes every month is 30 days, no pluralization, etc.) but it works.
	const getDuration = (startDateString, endDateString = new Date()) => {
	const totalMonths = Math.floor((new Date(endDateString) - new Date(startDateString)) / 1000 / 60 / 60 / 24 / 30);
	const months = totalMonths < 12 ? totalMonths : totalMonths % 12;
	const years = Math.floor(totalMonths / 12);
	let duration = '¯\_(ツ)_/¯';

	if (years === 0)
	if (months > 0)

	// returns first element selected - $('input[name="food"]')
	var $ = document.querySelector.bind(document);
	// return array of selected elements - $$('img.dog')
	var $$ = document.querySelectorAll.bind(document);

	// Credit: https://twitter.com/wesbos/status/608341616173182977