somewhere to talk about random ideas and projects like everyone else

stuff by antimatter15

Hi. I’m Kevin Kwok, and I’m currently a junior at MIT, and this is my obligatory online presence or whatever.

This is my little corner of the internet, where I talk about random projects and ideas and stuff.

If you want to contact me or read obnoxiously nostalgic autobiographical trivia, check out the about section.


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Action Limit Exceeded 30 December 2008

Google
 

Action Limit Exceeded

What happened?

You have performed the requested action too many times in a 24-hour time period. Or, you have performed the requested action too many times since the creation of your account.

We place limits on the number of actions that can be performed by each user in order to reduce the potential for abuse. We feel that we have set these limits high enough that legitimate use will very rarely reach them. Without these limits, a few abusive users could degrade the quality of this site for everyone.

Your options:

  • Wait 24 hours and then try this action again.
  • Ask another member of your project to perform the action for you.
  • Contact usfor further assistance.
 

Scary.

3999 Spam 20 December 2008

who’s the lucky spammer to post the 4000th spam?

Wikify Format 2.0 20 December 2008

2.0 isn’t an actual version number, but i’ve added the new one.

it’s basically

Parent ID (or _body) > Element tag name : Parent Index > format type = patch/innerhtml data

or

_body>div:0>span:1>d=hello!

the formats are p, d, and o, or Patch, HTML, and Legacy, respectively. Patch uses diff-match-patch, unidiff style data. Patch is the same, and Legacy is an intermediate format of sorts, which is easily converted to from the old formats, but still follows the general pattern of location>type=data. The only difference between Legacy and HTML is that legacy uses a different location scheme.

The pluses of this new system, is that it’s more accurate, and your edits are more resistant to page changes. The data is more human readable, the system is more reliable, and stores less data on the server. The cons, are that there is a 20kb overhead in wikify core, and saving may take some more time.

Crashing IE 20 December 2008

Well, I was trying to iron out a IE bug for project wikify. Interestingly, that bug I encountered, crashes every IE since 5.5 (not sure if it crashes 5.0 yet, browsershots are still loading)

http://wikify.googlecode.com/svn/trunk/v2/crashie.htm

really, this just is just another IE issue….

Wikify Diff Engine 18 December 2008

So i built a pretty crappy tree-diff system for Wikify. It completely ignores the creation of new nodes, or the deletion of the nodes, but it works most of the time. It’s tree based, so the data is fine-grained to the level of however small the nodes are made to be. But many pages with huge paragraphs or such, have huge nodes, and editing a single word would mean saving a huge amount of data.

So Wikify will now use both the tree-based diff (which is great for HTML/XML docs, as they are trees) and divide the changes into text and do text diff for that. Right now, the only thing sutable is the google-diff-match-patch project, which is absolutely amazing, except for how huge it is. But I figure its okay, because I’m already including the (relative) bloatness of jQuery… (especially compared to vX)

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