node js correct code giving error about syntex Announcing the arrival of Valued Associate...

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node js correct code giving error about syntex



Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)Best way to handle the error in async nodeNode exports, architectureNode PSP ISO ScraperNode Automation ProjectJavascript node/react web developer interview codeHello World Node application with error handlingNode JS routing systemNode secure randomness implementationsError handling for a simple 'fetch some data, then save the data' Node functionNode websockets





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$begingroup$


I have this working code. But after longtime when I rerun I am getting error. I am not sure Am I making mistake in running or what.



const express = require('express');  
const bodyParser = require('body-parser');
const url = require('url');
const querystring = require('querystring');
const fs = require('fs');
let {PythonShell} = require('python-shell')
let app = express();
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());

app.get('/ip/predict', async function(req, res) {
let data = req.query.data;
console.log(data)

fs.writeFile("data.csv", data, function(err) {
if(err) {
return console.log(err);
}
});

var options = {
args: ['data']
}

PythonShell.run('my_script.py', options, function (err, results) {
if (err) throw err;
console.log('results: %j', results);
var pred = { "prediction":results }
res.send(pred)
});
});

let server = app.listen(8080, function() {
console.log('Server is listening on port 8080')
});


When I run this code using command



node app_express.js



it gives



/home/admin/node_code/testapp/app_express.js:11
app.get('/ip/predict', async function(req, res) {
^^^^^

SyntaxError: missing ) after argument list
at createScript (vm.js:56:10)
at Object.runInThisContext (vm.js:97:10)
at Module._compile (module.js:549:28)
at Object.Module._extensions..js (module.js:586:10)
at Module.load (module.js:494:32)
at tryModuleLoad (module.js:453:12)
at Function.Module._load (module.js:445:3)
at Module.runMain (module.js:611:10)
at run (bootstrap_node.js:394:7)
at startup (bootstrap_node.js:160:9)


Anything wrong with the code or running command?









share







New contributor




user2129623 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.







$endgroup$



















    -1












    $begingroup$


    I have this working code. But after longtime when I rerun I am getting error. I am not sure Am I making mistake in running or what.



    const express = require('express');  
    const bodyParser = require('body-parser');
    const url = require('url');
    const querystring = require('querystring');
    const fs = require('fs');
    let {PythonShell} = require('python-shell')
    let app = express();
    app.use(bodyParser.urlencoded({ extended: false }));
    app.use(bodyParser.json());

    app.get('/ip/predict', async function(req, res) {
    let data = req.query.data;
    console.log(data)

    fs.writeFile("data.csv", data, function(err) {
    if(err) {
    return console.log(err);
    }
    });

    var options = {
    args: ['data']
    }

    PythonShell.run('my_script.py', options, function (err, results) {
    if (err) throw err;
    console.log('results: %j', results);
    var pred = { "prediction":results }
    res.send(pred)
    });
    });

    let server = app.listen(8080, function() {
    console.log('Server is listening on port 8080')
    });


    When I run this code using command



    node app_express.js



    it gives



    /home/admin/node_code/testapp/app_express.js:11
    app.get('/ip/predict', async function(req, res) {
    ^^^^^

    SyntaxError: missing ) after argument list
    at createScript (vm.js:56:10)
    at Object.runInThisContext (vm.js:97:10)
    at Module._compile (module.js:549:28)
    at Object.Module._extensions..js (module.js:586:10)
    at Module.load (module.js:494:32)
    at tryModuleLoad (module.js:453:12)
    at Function.Module._load (module.js:445:3)
    at Module.runMain (module.js:611:10)
    at run (bootstrap_node.js:394:7)
    at startup (bootstrap_node.js:160:9)


    Anything wrong with the code or running command?









    share







    New contributor




    user2129623 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.







    $endgroup$















      -1












      -1








      -1





      $begingroup$


      I have this working code. But after longtime when I rerun I am getting error. I am not sure Am I making mistake in running or what.



      const express = require('express');  
      const bodyParser = require('body-parser');
      const url = require('url');
      const querystring = require('querystring');
      const fs = require('fs');
      let {PythonShell} = require('python-shell')
      let app = express();
      app.use(bodyParser.urlencoded({ extended: false }));
      app.use(bodyParser.json());

      app.get('/ip/predict', async function(req, res) {
      let data = req.query.data;
      console.log(data)

      fs.writeFile("data.csv", data, function(err) {
      if(err) {
      return console.log(err);
      }
      });

      var options = {
      args: ['data']
      }

      PythonShell.run('my_script.py', options, function (err, results) {
      if (err) throw err;
      console.log('results: %j', results);
      var pred = { "prediction":results }
      res.send(pred)
      });
      });

      let server = app.listen(8080, function() {
      console.log('Server is listening on port 8080')
      });


      When I run this code using command



      node app_express.js



      it gives



      /home/admin/node_code/testapp/app_express.js:11
      app.get('/ip/predict', async function(req, res) {
      ^^^^^

      SyntaxError: missing ) after argument list
      at createScript (vm.js:56:10)
      at Object.runInThisContext (vm.js:97:10)
      at Module._compile (module.js:549:28)
      at Object.Module._extensions..js (module.js:586:10)
      at Module.load (module.js:494:32)
      at tryModuleLoad (module.js:453:12)
      at Function.Module._load (module.js:445:3)
      at Module.runMain (module.js:611:10)
      at run (bootstrap_node.js:394:7)
      at startup (bootstrap_node.js:160:9)


      Anything wrong with the code or running command?









      share







      New contributor




      user2129623 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.







      $endgroup$




      I have this working code. But after longtime when I rerun I am getting error. I am not sure Am I making mistake in running or what.



      const express = require('express');  
      const bodyParser = require('body-parser');
      const url = require('url');
      const querystring = require('querystring');
      const fs = require('fs');
      let {PythonShell} = require('python-shell')
      let app = express();
      app.use(bodyParser.urlencoded({ extended: false }));
      app.use(bodyParser.json());

      app.get('/ip/predict', async function(req, res) {
      let data = req.query.data;
      console.log(data)

      fs.writeFile("data.csv", data, function(err) {
      if(err) {
      return console.log(err);
      }
      });

      var options = {
      args: ['data']
      }

      PythonShell.run('my_script.py', options, function (err, results) {
      if (err) throw err;
      console.log('results: %j', results);
      var pred = { "prediction":results }
      res.send(pred)
      });
      });

      let server = app.listen(8080, function() {
      console.log('Server is listening on port 8080')
      });


      When I run this code using command



      node app_express.js



      it gives



      /home/admin/node_code/testapp/app_express.js:11
      app.get('/ip/predict', async function(req, res) {
      ^^^^^

      SyntaxError: missing ) after argument list
      at createScript (vm.js:56:10)
      at Object.runInThisContext (vm.js:97:10)
      at Module._compile (module.js:549:28)
      at Object.Module._extensions..js (module.js:586:10)
      at Module.load (module.js:494:32)
      at tryModuleLoad (module.js:453:12)
      at Function.Module._load (module.js:445:3)
      at Module.runMain (module.js:611:10)
      at run (bootstrap_node.js:394:7)
      at startup (bootstrap_node.js:160:9)


      Anything wrong with the code or running command?







      node.js





      share







      New contributor




      user2129623 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.










      share







      New contributor




      user2129623 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.








      share



      share






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      user2129623 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      user2129623user2129623

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      user2129623 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      user2129623 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






















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