zazaulola
/ nano-queue.js
Last active
October 11, 2021 22:50
Queue, thread, stack, task, job, flow, stream
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| const Queue = () => { | |
| let idle = true; | |
| const stack = [], | |
| fx = (...job) => { | |
| stack.push(...job); | |
| if(idle) | |
| (async () => { | |
| idle = false; | |
| while(stack.length) | |
| await stack.shift()(); |
zazaulola
/ calendar.js
Last active
September 11, 2024 10:09
Nano-calendar on javascript without elements rendering (data only)
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| // Calendar for month `m` of the year `y` with Sunday as first day of week | |
| const calS = (y,m) => { | |
| let[r,d,w,l]=[[],1,0,!(y%4)-!(y%1e2)+!(y%4e2)], | |
| c=((0|23*m/9)+(m<3?y--:y-2)+5+(0|y/4)-(0|y/1e2)+(0|y/4e2))%7; | |
| for(;d<29+(0x3bbeecc+16*l>>m*2&3);++d,c=++c%7,w+=!c) | |
| (r[w]||(r[w]=[,,,,,,,]))[c]=d; | |
| return r | |
| } | |
| // Calendar for month `m` of the year `y` with Monday as first day of week |
zazaulola
/ getSelector.js
Created
October 7, 2021 16:04
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| function getSelector(el){ | |
| let nodes = [],c,e,d=el.ownerDocument,h=d.documentElement; | |
| do{if (el.id){ nodes.push(`#${el.id}`); break; | |
| }else{ if (el==h) c=0; else for (c=1,e=el;e=e.previousElementSibling;c++); | |
| nodes.push(c?`:nth-child(${c})`:el.tagName.toLowerCase()); | |
| } } while ((el=el.parentNode)&&el!=d); return nodes.reverse().join` > `; | |
| } |
zazaulola
/ point-in-polygon.js
Created
October 18, 2021 07:07
check the coordinates of a point in that it is inside a polygon
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| function inside(point, vs) { | |
| // ray-casting algorithm based on | |
| // https://wrf.ecse.rpi.edu/Research/Short_Notes/pnpoly.html/pnpoly.html | |
| // https://stackoverflow.com/questions/22521982/check-if-point-is-inside-a-polygon/29915728#29915728 | |
| // https://github.com/substack/point-in-polygon | |
| var x = point[0], y = point[1]; | |
| var inside = false; | |
| for (var i = 0, j = vs.length - 1; i < vs.length; j = i++) { |
zazaulola
/ stackoverflow-date-outdate-marker.user.js
Created
October 20, 2021 03:49
Stackoverflow date outdate marker
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| // ==UserScript== | |
| // @name Stackoverflow dates | |
| // @namespace http://tampermonkey.net/ | |
| // @version 0.1 | |
| // @description Stackoverflow dates outdate marker | |
| // @author You | |
| // @include /^https:\/\/(.+\.)?stackoverflow\.com/ | |
| // @icon https://www.google.com/s2/favicons?domain=stackoverflow.com | |
| // @grant none | |
| // ==/UserScript== |
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| function send(method, url, headers = {}, data = null) { | |
| return new Promise((resolve, reject) => { | |
| console.log(data); | |
| const xhr = new XMLHttpRequest(); | |
| xhr.onload = () => resolve(xhr); | |
| xhr.onerror = error => reject(error); | |
| xhr.open(method, url, true); | |
| console.log(xhr); | |
| Object.entries(headers).forEach(([header, value]) => xhr.setRequestHeader(header, value)); | |
| xhr.send(data); |
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| /** @format */ | |
| /** | |
| * @interface | |
| * @name RequestParams | |
| * @property {string} url адрес отправки | |
| * @property {string} method метод | |
| * @property {string} responseType | |
| * @property {array} data | |
| * @property {object} headers | |
| * @property {function} uploadProgress |
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| function arrayToBase64(array) { | |
| let base64 = ''; | |
| const encodings = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; | |
| const arrayLength = array.byteLength; | |
| const remainder = arrayLength % 3; | |
| const mainLength = arrayLength - remainder; | |
| let a, b, c, d; | |
| let chunk; |
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| <!-- @format --> | |
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <title>CodePen - CSS Glitched Text</title> | |
| <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css" /> | |
| <style> |