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how to make a grepper answer

Random boi answered on May 18, 2020 Popularity 8/10 Helpfulness 2/10

answer how to make a grepper answer

how to make a grepper answer

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Hello here is me making a random grepper answer:

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Contributed on Nov 28 2020

Random boi

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// If the "add answer" button isn't showing:
// Try pressing "a" on your keyboard after searching your question! :)

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Contributed on May 18 2020

Powerful Penguin

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how to use Add Grepper Answer (a)

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decrypt file xml file

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Contributed on May 27 2021

Prickly Petrel

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echo    >>   .txt

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Contributed on Apr 16 2021

Markable Undead

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grepper answer

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//working with node express many times we find cors issue even though we have installed cors package modules 
//this is the working example using with socket io 

var app = require('express')();
var http = require('http').createServer(app);
var io = require('socket.io')(http,{
	cors:{
		origin:"http://localhost:3000",
		methods: ["GET","POST"],
		allowedHeaders: [""],
		credentials: true
	}
});
const cors = require('cors');

// creating web socket
io.on('connection',(socket)=>{
	console.log('User Online');

	socket.on('canvas-data',(data)=>{
		socket.broadcast.emit('canvas-data',data);
	})
})

// const app= express();
app.use(cors());


var server_port = process.env.YOUR_PORT || process.env.PORT || 5000;
http.listen(server_port,() =>{
	console.log("Started on : "+server_port);
})
// const PORT = 3001;
// app.use(cors());


// app.get("/", (req, res)=>{
// 	res.send("hell of code");
// });

// app.listen(PORT, ()=>{
// 	console.log(`Server running on port ${server_port}`);
// })

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Contributed on Sep 23 2021

Anish Mandal

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add grepper answer

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Have you emptied the cache while reloading (usually Ctrl+F5)? Xampp not updating CSS immediately

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Contributed on Nov 25 2021

Enchanting Eagle

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how to add grepper answer

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Hi All if you are getting this error:

error: Error [firebase_auth/internal-error] {"error":{"code":400,"message":"API key not valid. Please pass a valid API key.","errors":[{"message":"API key not valid. Please pass a valid API key.","domain":"global","reason":"badRequest"}],"status":"INVALID_ARGUMENT","details":[{"@type":"type.googleapis.com/google.rpc.ErrorInfo","reason":"API_KEY_INVALID","domain":"googleapis.com","metadata":{"service":"identitytoolkit.googleapis.com"}}]}}


this means you are trying to run app on web chrome and in your flutter app this is not configure so follow below steps:

 1. Go to https://console.firebase
 2. Select your project name i.e. "E-Commerce App"
 3. Select Add App option from dashboard select platform (flutter/android/ios/web) from this select flutter
 4. Add Firebase to your Flutter app this screen will open then select next
 5. From any directory, run this command:"dart pub global activate flutterfire_cli"
 6. Then, at the root of your Flutter project directory, run this command:"flutterfire configure --project=eshop-a44ca"
 7. After "flutterfire configure" check npm

add this in main.dart file: 
await Firebase.initializeApp(
		 options: DefaultFirebaseOptions.currentPlatform,
	 );

 8. Run this command in your project directory npm install -g firebase-tools
9.Again run this command ""flutterfire configure --project=eshop-a44ca" you will see below screen [firebase options file created in lib folder]


 9. now you can sign up/register user successfully 
 10. [user created on firestore database ]


  [1]: https://i.stack.imgur.com/NBiDz.png

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Contributed on May 24 2022

Glorious Grebe

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how to make a grepper answer

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