Shaofei Cheng wintercn
View primes.js
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| function* primes(){ | |
| let primes = []; | |
| let i = 1; | |
| outer:while(true) { | |
| ++ i; | |
| for(let p of primes) | |
| if(p % i === 0) | |
| continue outer; | |
| primes.push(i); | |
| yield i; |
wintercn
/ parseTree.html
Created
May 12, 2021 11:30
View parseTree.html
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| <body> | |
| <style> | |
| .number { | |
| color:purple; | |
| } | |
| .keyword { | |
| color:blue; | |
| } | |
| .string { | |
| color:red; |
View categoryTree.js
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| const categories = [ | |
| {id:'animals', parent:null}, | |
| {id:'mammals', parent:'animals'}, | |
| {id:'cats', parent:'mammals'}, | |
| {id:'dogs', parent:'mammals'}, | |
| {id:'chihuahua', parent:'dogs'}, | |
| {id:'labrador', parent:'dogs'}, | |
| {id:'persian', parent:'cats'}, | |
| {id:'siamese', parent:'cats'}, | |
| ] |
View reverseKGroupFromEnd.js
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| /** | |
| * Definition for singly-linked list. | |
| * function ListNode(val) { | |
| * this.val = val; | |
| * this.next = null; | |
| * } | |
| */ | |
| /** | |
| * @param {ListNode} head | |
| * @param {number} k |
wintercn
/ vue-map-editor.html
Last active
November 27, 2019 16:17
View vue-map-editor.html
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| <body style="margin:0;"> | |
| <div id="app" style="position:relative;width:100%;height:100%;"> | |
| </div> | |
| <script src="https://cdn.jsdelivr.net/npm/vue"></script> | |
| <script> | |
| Vue.component('local-storage', { | |
| props: ['value', 'key'], | |
| template: `<div></div>`, | |
| mounted(){ | |
| if(!localStorage[this.$props.key]) |
wintercn
/ vue-local-storage.js
Created
November 25, 2019 18:04
View vue-local-storage.js
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| Vue.component('local-storage', { | |
| props: ['value', 'key'], | |
| template: `<div></div>`, | |
| mounted(){ | |
| if(!localStorage[this.$props.key]) | |
| return; | |
| var str = JSON.stringify(this.$props.value); | |
| if(str != localStorage[this.$props.key]) | |
| this.$emit('input', JSON.parse(localStorage[this.$props.key])) | |
| }, |
View tang.html
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| <meta charset="utf-8"> | |
| <body style="text-align:center"> | |
| <canvas width="1000" height="1000" style="background:black;margin:auto;"> | |
| </canvas> | |
| <script src="tang.js"> | |
| </script> | |
| </body> |
View sim.html
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| <style> | |
| .ball { | |
| width:10px; | |
| height:10px; |
wintercn
/ editor.html
Created
March 12, 2019 19:39
View editor.html
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| <a href="javascript:void 0;">abc</a> | |
| <div id="editor" contentEditable="true" style="white-space:pre;"> | |
| abc | |
| </div> | |
| <div id="editor2" contentEditable="true" style="white-space:pre;"> | |
| abc |
View m-Sum.js
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| var mSum = (m, n, a) => | |
| a.length ? m > 2 ? mSum(m, n, a.slice(0, a.length - 1)).concat( | |
| mSum(m - 1 , n - a[a.length - 1], a.slice(0, a.length - 1)).map(e => e.concat([a[a.length - 1]]))) : | |
| twoSum(n, a) : | |
| []; | |
| var twoSum = (n, a) => { | |
| a.sort((x, y) => x - y); | |
| var r = []; | |
| if(a.length < 2) return r; | |
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