Copy file in Node.js
const fs=require("fs") const reader=fs.createReadStream("/Users/zmx/Downloads/day2-Solidity.pdf") const writer=fs.createWriteStream(Date.now()+".pdf") reader.pipe(writer) /*let total=0 let data="" reader.on("data",d => { total+=d.length writer.write(d) }) reader.on("end",() => { console.log(total) })*/
相關推薦
Copy file in Node.js
const fs=require("fs") const reader=fs.createReadStream("/Users/zmx/Downloads/day2-Solidity.pdf") const writer=fs.createWriteStream(Date.now()+".pdf")
[Node.js] Read a File in Node.js with fs.readFile and fs.readFileSync
sync spa enc erro buffer ron div examples nbsp We‘ll read a csv file in node.js both synchronously, and asynchronously. The file we‘re re
[Node.js] Write or Append to a File in Node.js with fs.writeFile and fs.writeFileSync
cti pen instead all write urn object The nod In node.js, you can require fs, and then call fs.writeFile with the filename, and data to wr
[WASM] Run WebAssembly in Node.js using the node-loader
WebAssembly is great for targeting performance bottlenecks in the browser. Now with node-loader, we can do the same on the server through Node.js While No
How to send an SMS in Node.js via SMPP Gateway
How to send an SMS in Node.js via SMPP GatewayIntroductionSMPP (Short Message Peer-to-Peer) is a protocol used by the telecommunications industry. It excha
Remove directory in Node.js
const path=require("path") const fs=require("fs") const rmdirSync=dir => { const fileinfo=fs.statSync(dir) if (fileinfo.isFile()) {
Simple usage of events in Node.js
const events=require("events") const eventEmitter=new events.EventEmitter() eventEmitter.on("eat",() => { console.log("eat") eventEmitter.e
Simple usage of module http in Node.js
Server side const http=require("http") const server=http.createServer((req,res) => { if (req.url=="/favicon.ico") { res.end()
Usage of bignumber.js in Node.js
const BigNumber=require("bignumber.js") let x1=new BigNumber(123.4567) let y1=new BigNumber(123456.7e-3) console.log(x1.eq(y1)) let x2=new BigNumber(1
AWS SDK for JavaScript in Node.js
We are happy to announce the developer preview of the AWS SDK for Node.js version 3. This version of the SDK is a major rewrite of the 2.x code
Questions in Node.js space
Translate this page Translation is from English to selected language, using n.Fluent real-time machine translation service. No guarantees are
"unexpected console statement” in Node.js
o-c clas rule pri rules nod expec state cte .eslintrc.js module.exports = { rules: { ‘no-console‘: ‘off‘, }, };&qu
Node.js中fs檔案系統-與檔案file相關;
1.首先引入fs檔案模組; //讀取檔案; fs.readFile(path[, options], callback) path:檔名; options:檔案讀取方式; callback:回撥函式;回撥函式有兩個引數err data 其中data是檔案的
Run Node.js code in Jupyter Notebooks
Summary For years, academics and research scientists have used data science notebooks as scratchpads for writing code, refining algor
Telegram Bot With Node.js in 30 Lines Of Code
PreparationYou need register your bot first and obtain a token. It can be done quite quickly, just add ‘@BotFather’ bot, start the conversation and follow
rosrun,roslaunch: cannot launch node or is either a launch file in package
[bzrobot_global.launch] is neither a launch file in package [bzrobot_global] nor is [bzrobot_globa] a launch file name The traceback for the exception
Cannot find entry file index.android.js in any of the roots
一 在 ../../node_modules/react-native/react.gradles 檔案中 新增 project.ext.react = [ entryFile: "in
React Native demo執行報錯:Cannot find entry file index.android.js in any of the roots
android執行GaGaMall出現如圖錯誤,怎麼弄都不行,index.android.js明明在根目錄的,頭疼的要死...可是同事那邊下的,在npm install後,拷貝過來又行了... 然後想了想,我原來是用cnpm install安裝的,可能是cnpm出了問題,
【原】Cannot find entry file index.ios.js [index.android.js] in any of the roots
今天在執行新的React Native專案時,出現了錯誤。 錯誤資訊如圖: 在stackoverflow上搜索了一下,發現很多人遇到過這個問題。React Native的github上也有相
Node.js fatal error: bits/c++config.h: No such file or directory
ubuntu 64位 編譯 32位的軟體報錯,缺少"bits/c++config.h" http://stackoverflow.com/questions/4643197/missing-include-bits-cconfig-h-when-cross-compilin