Comments on: Create TinyURL like URLs in Ruby

By: Mindtonic » Blog Archive » Create TinyURL like URL’s in Ruby

Mindtonic » Blog Archive » Create TinyURL like URL’s in Ruby — Mon, 02 Aug 2010 19:45:31 +0000

[...] I needed a way to mask ids from the urls of a project I am working on. We don’t want to expose too much of our infratructure to the public eyes, and this seems to work well for YouTube. I started poking around looking for a solution and really like the one described on Rob’s Blog – Technology, Atlanta, Startups and Stuff. [...]

By: rkischuk

rkischuk — Mon, 19 Apr 2010 20:31:20 +0000

@MarcRic I don’t think so. Each iteration, this code is calculating the remainder, then dividing by the size of the array. Thus, each successive iteration of the loop is of increasing significance and should be prepended. Check it with smaller numbers and see if your hand calculation disagrees with the algorithm result.

By: MarcRic

MarcRic — Sat, 17 Apr 2010 22:31:27 +0000

This line:

result = URL_CHARS[rem] + result

Generates a reverse result…

Shouldn’t it be:

result = result + URL_CHARS[rem]

And get “_Hs7″ as the result?

Regards

By: Ahmet BÜTÜN

Ahmet BÜTÜN — Mon, 15 Jun 2009 22:28:55 +0000

is it a perfect hash?

By: harrison

harrison — Wed, 11 Feb 2009 22:05:17 +0000

This is nice. How about code to go the other way around, so you don’t have to store the url value in your table and can decode it on the fly?

By: 60+ recursos para generar URLs cortas | Ser Geek

60+ recursos para generar URLs cortas | Ser Geek — Fri, 01 Aug 2008 20:49:49 +0000

[...] Create Tiny URLs in Ruby – Un post en donde se explica el método para conseguir URLs cortas con Ruby, está muy claro y bien explicado, en Inglés. [...]

By: rkischuk

rkischuk — Tue, 29 Jul 2008 02:27:46 +0000

Glad it’s useful for you. That’s the whole point of sharing it.

By: jeff haynie

jeff haynie — Tue, 29 Jul 2008 02:08:45 +0000

this is sweet — i have thought about something like this before … definitely will use this