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Is there a database, which can meet the following requirements
hosted in cloud
REST API
support for different API keys with different access rights (especially Read-Only)
free pricing program
I looking for database for Javascript application, without my own middle layer as provider between database and client application.
you have a lot of choices but still you can use free license for development
you can try those
https://parse.com (its very good one and they have a lot of libraries almost for programming language)
"http://couchdb.apache.org" (this is very good choice if you want to build local DB with JSON response )
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I have a scientific simulation package written in C++, with poor visualization capabilities---it's hard to see what the simulation is actually doing at any one time. I would like to create a Javascript/WebGL based viewer, which would exchange data AJAX-style with the C++ simulation as it runs and visualize the results. The visualization data would comprise a few kilobytes of floating point data, and would be sent every few seconds. Communication would need to be bidirectional so that the user could specify what information is required to be visualized.
My question: what are the available libraries/technologies to be using on both sides (in the C++ application, and in the Javascript) to exchange this data?
Note: I see that similar questions to this (none of them a duplicate) have been asked and closed. I think my question is a valid one---certainly my need is genuine---and surely this is the best place to get answers. So, if there's some more productive way I should be phrasing my question, please let me know and I will do that.
One possibility is to use WebSockets for the communication. The Qt library includes support for a WebSocket server which the JavaScript client could connect to, after which bidirectional communication is possible. This also allows the exchange of binary data, which should allow you to send floating point data from the C++ side and use it at the JavaScript side as e.g. a Float32Array.
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Hello everyone im trying to create a webcam broadcast via a server and i was wondering if there is a free away to do so maybe html5 or something and it doesn't have to support all browsers just chrome is sufficient.
I have tried ustream but the delay was incredibly long.
Thanks in advance.
You can have a look at WebRTC: everything is explained in this article. However there are considerations to be aware of about WebRTC and broadcasting notions. Look here and here.
Other than that you can use flash with either Flash Media Server or Wowza Media Server but it is not an immediate implementation and is paid otpion.
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Question has been asked by another person but not answered:
https://stackoverflow.com/questions/22134739/is-there-a-good-alternative-to-firebase-for-realtime-apps-with-backbonejs
I'm using Firebase and Backbone (Backfire) to create a social network, Firebase itself is close to perfectly integrated into Backbone syntax-wise.
My goal was to make it as privacy-oriented as possible, since German law wouldn't allow me to spy on the users to begin with. Here is the problem with Firebase:
In Response to Legal Process We also may disclose the information we
collect in order to comply with the law, a judicial
proceeding, court order, or other legal process, such as in response
to a court order or a subpoena.
Which means the US Government could spy into the user data and there is nothing I can do about it from here, since US law applies.
Is there an alternative service that will either allow me to run my own server, or that is not US based? I'm not able to find a service that has been integrated nearly as good.
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I have a moderate experience with Ruby on Rails, PHP, SQL an NoSQL databases and CoffeeScript.
I want to build a web analytics tool for people in my country for their local websites, that will also have a main page of top site ranks.
In the beginning I am not asking out of myself to have something as powerful as Piwik or GA, but I want to make a good start. I know I will have to use JavaScript, that is good, I will also need a server-side processing part, but I don't know how to efficiently put these parts together.
I would love to hear about a book about such topic, but I don't think there is one. If possible, please recommend materials and subjects I need to master to make out my plan. Maybe some aids that can help me too.
Why not go through how Piwik use its tracker? It is open-source, so all sources are available.
Might be a good place to start!
Piwik github
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I wonder if there is a Node.js application that starts a server on the current folder to let me edit files through the web browser?
Kinda like http://www.cloud9ide.com, but for general editing (scripts, text etc).
You might want to look at Mozilla Skywriter - they are in the process of converting their server code to node.js.
You can now try making your little node.js app online with http://jsapp.us/.
It's a sandbox with Bespin/Skywriter editor and the commands to save and deploy a node.js application.
Its outside the scope of your question but if you have php access you could use http://tinymce.moxiecode.com/ and just set the value of the input field to the file you want to edit.
Then when you submit just have it overwrite the file you opened. I know its not using javascript like you asked but I though I would offer the suggestion its how I do what you where looking for.