ZER0’s gists

ZER0 / latex.md

Created August 1, 2022 18:09

LaTex

$$\mathrm{e} = \sum_{n=0}^{\infty} \dfrac{1}{n!}$$

ZER0 / content.html

Created January 21, 2016 09:50

	<!doctype html>
	<html>
	<div>
	<button>click A</button>
	<button>click B</button>
	</div>
	<output></output>
	<script>
	let buttons = document.querySelector("div");
	let output = document.querySelector("output");

ZER0 / rulers.js

Created October 6, 2015 16:10

Example of highligther based on CanvasHighlighter

	function RulersHighlighter2(highlighterEnv) {
	CanvasHighlighter.call(this, highlighterEnv);
	}

	RulersHighlighter2.prototype = extend(CanvasHighlighter.prototype, {
	typeName: "RulersHighlighter",

	textStep: 100,
	graduationStep: 5,
	stepScale: 1,

ZER0 / gist:f4d2dde46f6bda9d3c33

Created August 6, 2015 15:52

	JPM [info] Starting jpm test on addon-sdk
	Creating XPI
	JPM [info] XPI created at /var/folders/tx/91xwh51562l5_4xcqjst9bvw0000gn/T/@addon-sdk-0.1.18.xpi (1173ms)
	Created XPI at /var/folders/tx/91xwh51562l5_4xcqjst9bvw0000gn/T/@addon-sdk-0.1.18.xpi
	JPM [info] Creating a new profile
	Shumway is registered
	Running tests on Firefox 42.0a1/Gecko 42.0a1 (Build 20150805030208) ({ec8030f7-c20a-464f-9b0e-13a3a9e97384}) under darwin/x86_64.
	console.error: addon-sdk:
	JPM [error] Message: TypeError: FakeCu is not a constructor
	Stack:

ZER0 / gist:4f5ba55dca97ba42af8b

Created May 13, 2015 14:47

timespan in js

	function timespan(start, end) {
	if (typeof end === "undefined") {
	end = start;
	start = Date.now();
	}

	if (start !== null && typeof start === "object" && start.getTime) {
	start = start.getTime();
	}

ZER0 / gist:d49c9cd35ad4dd08389c

Last active August 29, 2015 14:19

highlight a word in a page

	let word = "Mozilla";

	// set the walker for non-empty text node
	let walker = document.createTreeWalker(
	document.body,
	NodeFilter.SHOW_TEXT,
	{ acceptNode: (node) => node.nodeValue.trim().length && NodeFilter.FILTER_ACCEPT }
	);

	// collecting the nodes

ZER0 / gist:10ef3b4b491c1dac3d70

Created August 7, 2014 16:25

ToggleButton with Global and Tab scope checked status

	const { ToggleButton } = require('sdk/ui/button/toggle');

	let globalToggle = ToggleButton({
	id: 'my-global-toggle',
	label: 'global function',
	icon: './foo.png',
	onChange: function() {
	// delete the window state for the current window,
	// automatically set when the user click on the button
	this.state('window', null);

ZER0 / gist:10708822

Created April 15, 2014 06:59

Add-on SDK: take a screenshot of the active tab's content

	const { window: { document } } = require('sdk/addon/window');
	const { getTabContentWindow, getActiveTab } = require('sdk/tabs/utils');
	const { getMostRecentBrowserWindow } = require('sdk/window/utils');

	const canvas = document.createElementNS('http://www.w3.org/1999/xhtml', 'canvas');
	document.documentElement.appendChild(canvas);

	function captureActiveTab() {
	let contentWindow = getTabContentWindow(getActiveTab(getMostRecentBrowserWindow()));

ZER0 / gist:10637946

Last active August 29, 2015 13:59

Add-on SDK: Reverse the tabs' order in the current window

	const { ActionButton } = require("sdk/ui/button/action");
	const { browserWindows } = require("sdk/windows");

	let button = ActionButton({
	id: "reverse-tabs",
	label: "Reverse Tab Order",
	icon: {
	// The new APIs use "./" as shortcut for data folder, you don't need
	// to require `self` for that purpose.
	"16": "./16.png",

ZER0 / gist:10024431

Created April 7, 2014 17:19

Add-on SDK: to Certificate Viewer window

	let { events: windowEvents } = require('sdk/window/events');

	let { on } = require('sdk/event/core');
	let { filter } = require('sdk/event/utils');

	let ready = filter(windowEvents, ({type}) => type === 'DOMContentLoaded');
	let certificateWindows = filter(ready, ({target}) =>
	target.document.documentElement.mozMatchesSelector('dialog#certDetails'));

	on(certificateWindows, 'data', ({target: window}) => {

Matteo Ferretti ZER0