I am working on a project for a client in which I need to load a lot of data into data studio. I am having trouble getting the deployment to work with my REST API.
The API has been tested with code locally but I need to know how to make it compatible with the code base in App Scripts. Has anyone else had experience with working around this? The endpoint is a Python Flask application.
Also, is there a limit on the amount of data that you can dump in a single response to the Data Studio? As a solution to my needs(needing to be able to load data for 300+ accounts) I have created a program that caches the data needed from each account and returns the whole payload at once. There are a lot of entries, so I was wondering if they had a limit to what can be uploaded at once.
Thank you in advance
I found the issue, it was a simple case of forgetting to add the url to the whitelist.
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I have a Node.JS backend running on Heroku which pulls data from a Google sheet. This app will run once a day to pull updated data from the Google Sheet.
I also have a client written in HTML, CSS & JS which will need to draw that data from the backend.
The problem is, the client runs on a different server than than the Node.JS backend. This means I have to have the Node.JS backend update some form of database, then have the client download that data.
Some important information:
I don't have access to the client server, but of course I can access the backend.
I only need to transfer a very small amount of data (only 4 pieces of data).
I am doing this as a volunteer project, and therefore anything suggested needs to be free.
These are the options I have considered:
Option 1: Use Heroku Postgres
This is the option I initially wanted to use. However, I learnt that the credentials to access the database change every so often, so that means the final product may not be completely hands-free.
Option 2: Find an external SQL database host
This is the more likely option of the two. However, I've found that many free database host are insecure and difficult to use. I had a look at 000webhost, but I quickly learnt the database was hosted on localhost - this meant it couldn't be accessed by my client.
Which of these options, if any, are the best? What other methods can I use to accomplish this? Could someone please give me some recommendations on services which I could use?
I am currently designing a GUI for a piece of hardware. We want the GUI to be able to be accessed over a browser. The browser would be displaying a map generated from C++ code, but I also need to send some params to the code that generates the map from buttons on the JS front end? Is there anyway to accomplish this. I have done a little research so far and know about web sockets and AJAX, but I am not entirely sure it is what I am looking for. In an ideal world I would be able to just send UDP packets, but my research tells me that is not possible, not is TCP. Is this correct?
Thank's in advance for any help!
Your C++ code could setup a server that listens for requests. You could use libhttpserver, for example. Then, in your JavaScript code, you can use XMLHttpRequest or the Fetch API (for newer browsers) to make an HTTP request to the server, which would then return a new static page (with the generated map embedded into the page).
I want to upload file into folder from which my Angular app is served while running on localhost. I'm not able to find any solution without using backend.
For example I just want to upload an image file and that file should copy in specified folder of the project. This should be done only with Angular without using any Backend script or hitting any API endpoint.
Depending on your webhost, you can make your assets-folder accessible via FTP.
Making a FTP-call from javascript (angular is javascript) isn't that difficult. And there are plenty of example and questions about it on the internet (like this)
Why you wouldn't do that:
The credentials for your ftp-connection will be accessible in the compiled javascript-code. With a little bit of effort, everyone can find it.
Each gate you open through the webhosts firewall, is a extra vulnerability. Thats why everybody will recommend you to add an API endpoint for uploading files so that you keep holding the strings of what may be uploaded.
Edit:
As I read your question again and all the sub-answers, I (think) figured out that you are building an native-like app with no back-end, just an angular-single page front-end application. An I can understand why (you can run this on every platform in an application that supports javascript), but the problem you are encountering is only the first of a whole series.
If this is the case, I wouldn't call it uploadingas you would store it locally.
But the good news is that you have localstoragefor your use to store temporary data on the HDD of the client. It isn't a very large space but it is something...
The assets folder is one of the statically served folders of the Angular app. It is located on the server so you can't add files to it without hitting the server (HTTP server, API, or whatever else...).
Even when running your app on localhost, there's a web server under the hood, so it behaves exactly the same than a deployed application, and you can't add files to the assets folder via the Angular app.
I don't know what exactly you want to do with your uploaded files, but:
If you want to use them on client side only, and in one user session, then you can just store the file in a javascript variable and do what you want with it
If you want to share them across users, or across user sessions, then you need to store them on the server, and you can't bypass an API or some HTTP server configuration
Based on your clarification in one of your comments:
I'm trying to develop a small speed test application in which user can upload any file from his system to check upload and download speed.
The only way to avoid having you own backend is to use 3rd party API.
There are some dedicated speed test websites, which also provide API access. E.g.:
https://myspeed.today
http://www.speedtest.net
https://speedof.me/api.html
Some more: https://duckduckgo.com/?q=free+speedtest+api
Note, that many of these APIs are paid services.
Also, I've been able to find this library https://github.com/ddsol/speedtest.net, which might indicate that speedtest.net has some kind of free API tier. But this is up to you to investigate.
This question might also be of help, as it shows using speedtest.net in React Native: Using speedtest.net api with React Native
You can use a third party library such ng-speed-test. For instance here is an Angular library which has an image hosted on a third party server (ie GitHub) to test internet speed.
I've been through a number of Node.js, Express, and other tutorials/posts, and I'm struggling with how to think about connecting to a database on various pages throughout a webapp.
I would like to run a Node.js app (with a server.js file that connects to a database) and then query that database as needed on every page throughout the app.
So if I have an inventory.html page I should be able to have javascript that queries the inventory table and displays various inventory items throughout that html page.
Problem #1. I can't find a way to use mysql on any client-side pages, since javascript can't use node's require() function client-side. As detailed in this StackOverflow post ("require is not defined").
Problem #2. I can't figure out an elegant way to pass a database connection to other pages in my app. A page can send a POST request back to the server.js file, but this really isn't as flexible as I want.
I'm really looking for the modern, preferred way to do a bunch of PHP scripting in my Node app. Can anyone guide me to the right way to do this? Thank you!
You just can't directly call mysql from the client. Even if it worked imagine that anybody could modify the SQL queries and access all your data.
The only way how to do it is this:
js client app ------> js server app -------> mysql
You just must have 2 apps: one running in the user's browser sending requests to the server and the other running on the server answering the requests.
I'm stumped. So I've written a nice little web app that gets all its data from a JSON that has one array in it. To bridge the AngularJS-parts and the data, I have this line in my services.js
.constant("baseURL","http://localhost:3000/")
This of course only works with me locally. But I haven't considered that I might have to get my web host to serve up the data.
Now, I'm a complete beginner at this. I've managed to code my app with moderate effort, having only started coding in January. So I'm completely out of my league here. I don't even know what I'm looking for. I mean, I have to replace the localhost:3000with something. But if I do http://domain.com/db.json that obviously doesn't work.
I've talked to Godaddy's tech support and they go "Nuh-uh, not helping" the second I show them this line of code. Because, to be honest, I don't even know what the address I'm looking for is called. Is it a URI?
I have a few questions regarding this and I turn to you, because - this story gets worse - there's a possible job on the line for me. Not a coding thing, but the data that is parsed from the JSON into the site.
What is the address I'm looking for called?
How do I get my hosting to serve up JSON data? I mean, I don't even know what I need to ask the tech support people here. Do I need a JSON server?
If they don't offer it, where could I get my JSON data served in a way that I can push more articles into the array and preferrably edit it, too?
Thank you so much!
EDIT #1
If it helps, here's the contents of my /webroot/personalfolder
You will need to change your localhost:8000 to your domain name. For example, if you bought www.foobar.com then your base URL would just become www.foobar.com On a rented web server (like GoDaddy Hosting) ports 80 and 443 are normally open so you wouldn't need to specify this. If you are self hosting, you will need to open these ports on your router and apply port forwarding rules to your PC.
When you host your published website, you will just put your JSON file in with your Website Source. For example your structure may look like this:
AngularAppFolder/index.html
js
csss
Just add another folder called db place your JSON file in there, and reference it in your Angular code, no need to worry, its just another file just like your HTML or CSS which makes up your website. Remember though that your JSON data will be publicly available here!
If your looking for an alternative way of getting your JSON data, you may want to look into creating a REST API. This uses a web server to dish out data depenant on the HTTP request you send to it. but that's a very big topic! Here is some reading into it if your feeling brave! Node.js REST API tutorial
Final note: if you are self-hosting this application (running it on your own computer or server) then you will need to change the DNS record for your domain name to the global IP address of the server! you shouldn't have to worry if your using the hosting offerings from a company such as GoDaddy however.
You need to change the baseURL value to whatever the URL on which the site is hosted. Something like http://<mysite>.com.