Urban Dictionary 上的拇指系统
我正在考虑实施一个拇指系统，但我的系统需要注册，因此排除了人们多次投票的可能性，除非他们创建一个新帐户来这样做。所以我想知道城市词典的拇指系统。它是如何运作的？我想象我的 IP 将存储在数据库中，因此人们无法多次投票，但 IP 确实经常更改，尤其是当您使用 iPhone 时。可能是 cookie 和 IP 检查的组合。谁能给我更好的见解？他们会检查什么来确保您不会投票多次？
我问的原因是因为我可能想让我的系统成为一个公共系统。甚至可能是混合型，类似于 SO，您可以在创建帐户之前提出问题，然后将两者链接在一起。我正在使用 PHP 和 MySQL。
I was thinking of implementing a thumbs system, but mine would require a registration thus ruling out the possibility of people voting more than once unless they create a new account to do so. So I was wondering about Urban Dictionary's thumb system. How does it work? I would imagine that my IP would be stored in a database, so people would not be able to vote more than once however IPs do change pretty often and especially when you're on an iPhone. Probably a combination of cookies and IP checking. Can anyone give me a better insight? What would they check for to ensure you don't vote more than once?
The reason I ask is because I may want to make my a public system instead. Maybe even a hybrid, similar to SO where you can ask a question before creating an account and then have the two linked together. I am using PHP and MySQL.
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几乎总是用cookies完成的。正如您所说，IP 不能（天真地）随着它们的变化而使用，或者覆盖太多人（即给定办公室中的每个人等）。
但在线民意调查无论如何都不可靠，所以不要太担心解决没有人关心的问题。您可以实施更“智能”的规则，但随后您需要询问您从所有工作中获得的好处是什么。
就我个人而言，我会选择：
因为不言而喻，人们可以不断注册，以提交更多选票。这实际上取决于人们从投票中获得什么好处，以及你有多关心（就时间而言，显然就是金钱）。
Almost always it's done with cookies. As you say, IPs can't be used (naively) as they change, or cover too many people (i.e. everyone in a given office, etc).
But online polls not reliable anyway, so don't get too concerned about solving a problem no-one cares about. You can implement more 'intelligent' rules but then you need to ask what benefit you are getting for all your work.
Personally, I would go with:
Because it goes without saying that people can just sign up constantly, to submit more votes. It really depends on what benefit people get from voting, and how much you care (in terms of time, which is, obviously, money).
我知道城市词典每天允许不止一票。准确地说，每六个小时一次。
I know urban dictionary allows for more than one vote per day. Once every six hours to be exact.