YuanChieh,Cheng sj82516
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| class tPromise { | |
| constructor(fn){ | |
| this.status = "pedding" | |
| this._queue = [] | |
| this._catch = ()=>{ console.error("unhandle tPromise error") } | |
| fn.call(this, this.resolve.bind(this), this.reject.bind(this)) | |
| } | |
| resolve(data){ | |
| this.status = "resolved"; |
sj82516
/ dataloader-example.js
Created
July 16, 2018 12:27
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| const Dataloader = require("dataloader") | |
| const fakeAsync = (content, t) => new Promise(res => setTimeout(_ => { | |
| console.log("content:", content) | |
| content = content.map(c => c + 1) | |
| res(content) | |
| }, t)) | |
| async function start() { | |
| const testLoader = new Dataloader(async (keys) => { | |
| console.log("batched by dataloader: ", keys) |
sj82516
/ task-hierarchy.js
Last active
June 25, 2018 21:13
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| // 代表非同步操作 | |
| let timePromise = (time)=>{return new Promise(res => setTimeout(()=> res(), time))} | |
| let taskA = timePromise(1000) | |
| await taskA | |
| console.log("TaskA done") | |
| // 此處B,C會並行 | |
| let taskB = timePromise(2000) | |
| let taskC = timePromise(500) | |
| await taskB |
sj82516
/ async-iife.js
Last active
June 24, 2018 21:46
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| // hello / world 依序執行 | |
| async function hello(){ await new Promise((res)=> setTimeout(()=>{console.log("hello"); res();}, 2000) ) } | |
| async function world(){ await new Promise((res)=> setTimeout(()=>{console.log("world"); res();}, 2000) ) } | |
| console.log("start") | |
| await hello() | |
| await world() | |
| console.log("end") | |
| // hello / world 同時執行 |
sj82516
/ google_sheet_insert_to_the_top
Created
June 13, 2018 02:38
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| return axios.post( | |
| encodeURI( | |
| `https://sheets.googleapis.com/v4/spreadsheets/${local.spreadsheet_id}:batchUpdate` | |
| ), { | |
| "requests": [{ | |
| "insertRange": { | |
| "range": { | |
| "sheetId": local.sheet, | |
| "startRowIndex": 3, | |
| "endRowIndex": 4 |
sj82516
/ google server to server
Last active
June 4, 2018 07:45
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| const jwt = require('jsonwebtoken'); | |
| // 剛才下載的檔案 | |
| const googleServerKey = require("./test-f9099.json") | |
| const token = jwt.sign({ | |
| "iss": googleServerKey.client_email, | |
| scope, | |
| "aud": "https://www.googleapis.com/oauth2/v4/token", | |
| "exp": Math.floor(Date.now() / 1000) + (60 * 60), | |
| "iat": Math.floor(Date.now() / 1000) | |
| }, googleServerKey.private_key, { |
sj82516
/ linear_regression.py
Created
July 18, 2017 08:57
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| import numpy as np | |
| import tensorflow as tf | |
| from matplotlib import pyplot as plt | |
| # 產生100筆資料 , 此為簡單的線性關係 (加點noise) | |
| x_data = np.linspace(-10.0, 10.0, num=100) | |
| y_data = 3.21 * x_data + 2 + np.random.uniform(-10.0,10.0,100) | |
| # 產生tf的graph |
sj82516
/ poly-lr.py
Last active
July 2, 2017 14:11
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| from __future__ import absolute_import | |
| from __future__ import division | |
| from __future__ import print_function | |
| import numpy as np | |
| import tensorflow as tf | |
| import matplotlib | |
| matplotlib.use('TKAgg') | |
| from matplotlib import pyplot as plt |
sj82516
/ webrtc.html
Created
December 18, 2016 12:21
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| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>WebRTC Offer</title> | |
| <script src="https://webrtc.github.io/adapter/adapter-latest.js" type="application/javascript"></script> | |
| <script src="/socket.io/socket.io.js" type="application/javascript"></script> | |
| </head> | |
| <body> | |
| <h1> Self View </h1> | |
| <video id="selfView" width="320" height="240" autoplay muted></video> |
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| /** | |
| * @param {number} num | |
| * @return {string} | |
| */ | |
| var intToRoman = function(num) { | |
| var romanNums = ['I','V','X','L','C','D','M']; | |
| var ans = ""; | |
| var nums = []; | |
| for(var v=(num%10); num>0; i++,v=(num%10)){ | |
| nums.push(v); |