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Closed 11 years ago.
I'm using QT for Symbian and need a simple json parser. I need to be able to go from json to Qt-variant and the other way around. Is there a simple json parser that I can use? I don't want to write my own.
You need no Additional code except QT itself to parse JSON with QT
http://doc.qt.io/qt-5/json.html
Check out Qt-Json
Its a dead-simple class for parsing and serializing JSON data.
The qjson project may be a good start. It has also been packaged for Debian.
I wrote a QLALR based JSON parser : http://git.forwardbias.in/?p=qjsonparser.git.
git clone git://git.forwardbias.in/qjsonparser.git.
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Closed 9 years ago.
I just learned the concept behind JSON objects and there use and I'll love to learn handling of JSON with Java and C++, does anybody have any knowledge about using JSON in the two languages and could provide some useful links and information to aid my way?
I've found JSON in general to be great for quickly storing and re-loading large data structures for quick use between models (or saving information so you can pick up where you left off). I've only ever used it in Python but http://www.json.org/ has a great list of JSON libraries for many languages
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Closed 9 years ago.
I am good in java and recently learning scala. I want to develop web application. what are the concepts of scala I need to learn?
There is really nothing specific about Scala and web apps. I would recommend starting with reading play documentation (http://www.playframework.com/documentation/2.1.1/Home) and asking specific questions about stuff you don't understand. Or reading a book on Scala.
I would also suggest to give a try to the Spray toolkit for creating RESTful web-services. It's pretty good for a java developer
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Closed 9 years ago.
I am building a library that makes calls to a server that returns JSON. I'd like to be able to test this library. This would require my testing code to make a call to a working server that returns JSON. Does anyone know of a server that is suitable for this purpose?
There is a great server located at http://echo.jsontest.com that does precisely this. You can even determine the output by changing the URI you call.
For example, the http://echo.jsontest.com/key/value URI returns this:
{"key": "value"}
And the http://echo.jsontest.com/key/value/otherkey/othervalue URI returns:
{
"otherkey": "othervalue",
"key": "value"
}
The server is also very fast, ideal for testing purposes.
You can test your lib with facebook or twitter public api.
For exemple :
http://search.twitter.com/search.json?q=blue%20angels will return a json object.
Doc here : https://dev.twitter.com/docs/api/1/get/search
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Closed 10 years ago.
I am looking for an interactive exploratory tool to embed in a commercial application.
I am looking for a commercial-friendly licensed open source alternative to the wonderful Tableau system
Take a look at Pentaho. It's built from open source parts so you should be able to reuse parts of that. There's also R, though that is really more of a statistical programming framework than an ready-to-use exploratory tool.
If you're looking for something that's as easy to use as Tableau though, I'm afraid you won't find any open source solutions.
You can build interactive exploratory visualizations in the browser with D3.
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Closed 9 years ago.
My main purpose is to have a generic data buffer that I can use for transfers.
I'm thinking of something along the lines of what XCopy did.
Is there something already made out there or a good example one can follow?
The Tomes of Delphi by Julian Bucknall describes code for circular buffers, the code of which is freely available as a download. I haven't got the book to hand at the moment, so I can't tell you exactly where to look (though I think it might have had something to do with carrying out data compression with a sliding window).