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Questions - appendfile

How to generate an id when adding an object in node.js

I am trying to append an id to an object if it's the first and if there are others I want to add +1 to one that I am adding. I am using function that is called save and inside it there is a writeFile ...
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Martin Cagliolo

javascript

node.js

object

appendfile

Votes: 0

Answers: 2

Latest Answer

const fs = require('fs'); class Contenedor { constructor(nombre) { this.nombre = nombre this.count = 0 this.product = [] this.writelock = false; fs.writeFil...
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gyan roy

How can I write every list from a nested list separately to a file?

I am trying to write every list from a nested list to the same file. However I want every list to start on a newline. I've made this and it works, but it's very inefficient and looks bad: appendFile &...
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Cent Meister

haskell

nested-lists

writefile

appendfile

Votes: 0

Answers: 1

Latest Answer

To do this in a map-like loop, you would typically use the mapM_ library function. The final underscore_ in the function name means that action results are ignored, something which suits us as we want...
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jpmarinier

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