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Re: Jsonize int64 surprise [message #38868 is a reply to message #38867]

Thu, 24 January 2013 20:30

mirek
Messages: 14291
Registered: November 2005

Ultimate Member

Mindtraveller wrote on Thu, 24 January 2013 14:21

I may be wrong. But my point is that JSON is used mostly in Web development. In our case this means:

Quote:

server[U++] <-> client[javascript]

And javascript natively supports integers up to 64-bit length (actually 53-bit, see below). So should we in U++.
This article
http://cdivilly.wordpress.com/2012/04/11/json-javascript-lar ge-64-bit-integers/
corrects that Javascript actually support integers up to 2^53. So if we really want to be close to standards here, we should check not INT_MAX, but 2^53 for stringification.

Well, but that actually is exactly what I propose (I just got 56 wrong, it is indeed 53).

Quote:

But I'd suggest eliminating ANY surprises at all. We have number - we represent as number. But one may disagree with it.

Well, there seems to be no 100% correct solution, but I think that lost precision would not be a good thing as well...

Mirek

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[Message index]

		Jsonize int64 surprise By: Mindtraveller on Thu, 24 January 2013 19:51
		Re: Jsonize int64 surprise By: mirek on Thu, 24 January 2013 20:02
		Re: Jsonize int64 surprise By: Mindtraveller on Thu, 24 January 2013 20:21
		Re: Jsonize int64 surprise By: mirek on Thu, 24 January 2013 20:30
		Re: Jsonize int64 surprise By: Mindtraveller on Thu, 24 January 2013 20:43
		Re: Jsonize int64 surprise By: mirek on Thu, 24 January 2013 21:06
		Re: Jsonize int64 surprise By: sergeynikitin on Tue, 29 January 2013 08:06
		Re: Jsonize int64 surprise By: mirek on Tue, 29 January 2013 08:29
		Re: Jsonize int64 surprise By: sergeynikitin on Tue, 29 January 2013 10:37
		Re: Jsonize int64 surprise By: mirek on Tue, 29 January 2013 10:44
		Re: Jsonize int64 surprise By: sergeynikitin on Tue, 29 January 2013 21:59
		Re: Jsonize int64 surprise By: mirek on Wed, 30 January 2013 08:15
		Re: Jsonize int64 surprise By: sergeynikitin on Wed, 30 January 2013 09:01

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