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I'm kinda new to this whole node super framework and I wanna know if there is any library-sub framework-package-whatever that lets you ping from the users end to a server through a nodejs web app and let's you get back all the available ping options like Time to live, do fragment, delay etc.
See the following modules on npm:
https://www.npmjs.com/package/ping
https://www.npmjs.com/package/net-ping
Remember that for ping you need a raw socket and usually root access so your only choice is to use a Node wrapper of a suid binary, or running your Node app as root or with sudo.
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I'm creating a client side application that will rely only on a remote mysql database, all the project use vuejs. Is there any js library that can work into the browser to save and retrive data on the remote mysql db?
Well, the simplest answer is "you should never do it".
Because do this on the "client side" is not secure, you will expose sensitive information about your database, and this is not okay.
You can see here why
However, if you really want to (just don't), here is, is really old but is because is not a good thing to do, but you can try.
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We are writing a JavaScript application that is becoming large. We have a few architectural rules that we would like to be able to enforce, the main use case would be something like: package A cannot require package B.
In a Java application, you might use ArchUnit to achieve something similar.
ArchUnit is a free, simple and extensible library for checking the architecture of your Java code using any plain Java unit test framework. That is, ArchUnit can check dependencies between packages and classes, layers and slices, check for cyclic dependencies and more.
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I am looking after tool/solution that will catch and handle errors in my app.
My application is in Ionic1. I expect from the solution to trace after the errors from the bundle.js and lead to the source code (through the sourceMap). Obviously I would like to send more data and parameters regarding the errors.
Does anyone have any suggestions?
I prefer free tools and lightweight solution.
Thanks.
Sentry is a system that helps you organize your exceptions using a web application. You can setup an account on getsentry.com or install it on your own server. You will need to create a new project and obtain the API key to interact with your application.
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I need a web server to provide api interface like login/ranking for a mobile game, which web framework should I use, I primary program C++ before.
You should try out Firebase (https://www.firebase.com/) if you're looking for something relatively easy to store game data with. If you're looking for something to manage logins and storing simple data, either Twitter's Fabric (https://get.fabric.io/) and AWS Cognito (https://aws.amazon.com/cognito/) can also be used as well
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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;
});