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I'm building a web app that lets user upload a spreasheet file (.xlsx) and fills a table with its contents and displays the user, but I need a parser that can take that data and convert it to a json file or an array of arrays.
node-xlsx is the library you're looking for:
https://www.npmjs.org/package/node-xlsx
NB: If you need to parse in front-end, you may use Browserify to convert the library to an embeddable script.
http://oss.sheetjs.com/js-xlsx/ has a demo of their library that does all this
And the github repo https://github.com/SheetJS/js-xlsx
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I am build website with cloud firestore as database.
But firebase-core.js doesn't support firestore.
Where can I download firestore.js without using NPM or Yarn? Thanks.
You're going at it wrong. "firebase-core" is the core package you need to work with firebase and you have to install each of the products you need after that.
Check out the Nodejs Section for firestore installation here
I found this in the tutorial:
<script src="https://www.gstatic.com/firebasejs/7.24.0/firebase-firestore.js"></script>
You can see here:
https://firebase.google.com/docs/firestore/quickstart
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How to do a bulk insertion in cosmos DB using node.js?
Is there any library available to make a bulk insertion in cosmos DB?
There is no bulk support directly with the node.js SDK but there is this sample that uses stored procedure for updates. Can modify to do inserts instead.
hope this is helpful.
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For my microservice implementation I use POJOs with no implementation to serve as model classes for the service API. Is there a library that can be used to generate javascript POJOs from the JAVA POJOs so that I can use them in my Angular javascript clients? The ideal tool could be invoked from my project's gradle and package the generated javascript into a package consumable by jabascript environment (e.g. npm).
So far my research suggests jsweet and the jsweet-gradle-plugin as what will solve my problem nicely:
https://github.com/lgrignon/jsweet-gradle-plugin
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I want to be able to create a new html file that will be displayed and saved on the server for future use when a new user logs into their account. Can this be done using JavaScript or are there any libraries that I could get that would be able to do this?
This can be done through use of the fs module in node. See https://nodejs.org/api/fs.html.
However, it is very likely that this is not the best solution to the problem your solving. Instead of creating a new html file for every user, you probably want to save user details in a database and have a single html file that can be populated with the data when it's needed.
This is not possible with JavaScript alone unless you use Node.js. Otherwise will need PHP or a similar server-side language.
If you go that route, here is a nice tutorial that may be beneficial to you:
http://tutorialzine.com/2011/05/generating-files-javascript-php/
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I have a web app that takes pdf's from users. I need to append another pdf to the pdf uploaded by the user. I have been unable to figure out how to do this. Not sure if there is an external api that would let me combine/merge two pdf's.
This is an angular application with a node backend. The file is uploaded and stored in Dropbox using FilePicker.
Thanks!
If your app is running on linux you can use pdfunite, chances are good that it already is installed on your system. All you need is below code, you can specify as many infiles as you like.
var process = require('child_process');
var deploySh = process.exec('pdfunite in-1.pdf in-2.pdf in-n out.pdf',function(err){
if (err) throw err;
});