My custom extensions, snippets, BBCodes, and other customizations

[luo-ning]

I did.

Gotcha — wasn't able to check properly before as I was on mobile.

Something in the code is still applying the filters to the body on page reaload, even though I think I replaced every occurence of "page" with "html"

Is this is fixed now then? Everything looks fine as far as I can see

[duome]

Is this is fixed now then? Everything looks fine as far as I can see

I think it was fixed in v 1.0.3 - it worked like a charm after the update, I didn't have to fix anything to make it work.

[luo-ning]

Just realized the image opacity fix needs to be changed to this to work along with the other darkmode fix:

Code: Select all

:root.darkmode img:not(:hover) {
	opacity: unset;
}

[LICA98]

Calculate "Thanks" ratings on a curve

• Type: Userscript (proof-of-concept); pull request up on the "Thanks for posts" extension repo
• Maturity: Proof-of-concept
• Status: Not installed

Support thread on phpBB

One major problem in how ratings are calculated is that they tend to obey Benford's Law, giving exponentially-skewed distribution.

For example, in a typical forum, there might be just one post with 100 thanks, with a few hovering around the 80-90 mark, and the vast majority having just a few. In this hypothetical forum, almost all posts would have ratings close to zero, implying they're bad (or at least not particularly valuable). If less than 2% of posts gained more than 5 thanks, a post with 5 thanks would already be in the 98th percentile of outstanding posts, yet its rating would show only 5%, due to being ranked against that 100-thank post instead of the vast majority of its peers!

The most accurate way of fixing this problem would be to rate posts by their percentile; however, this would massively complicate the calculation logic and probably impact performance a lot, as every single new post would affect the rating of every single other post.

A much simpler solution would be simply applying an exponential easing function to the current ratings to adjust them. This would counteract the exponential effect from Benford's Law and give a much more even distribution.

To better illustrate the effect, I've written a userscript that rewrites the percentages on the front-end:

Code: Select all

const DECIMAL_PLACES = 2;

// modified from https://easings.net/#easeOutExpo
const easeOutExpo = (num) => {
	return num === 1 ? 1 : 1 - Math.pow(2, -10 * num);
};

for (const $el of document.querySelectorAll('[id^=div_post_reput], .section-app\\/toplist .lastpost')) {
	const oldPct = parseFloat($el.textContent.match(/[\d.]+%/));

if (!Number.isNaN(oldPct)) {
	const newPct = parseFloat((easeOutExpo(oldPct / 100) * 100).toFixed(DECIMAL_PLACES));

	$el.innerHTML = $el.innerHTML.replaceAll(String(oldPct), String(newPct));
}
}

Taking forum.duome.eu as a real-world example, here's the toplist page before (the 5th best post of all time on the forum is only rated ~40%!)

toplist-before.PNG
 
And after (now it's ~94% — much better)

toplist-after.PNG
 
Meanwhile, here's a random sample from a popular topic — before (2.7% for a thank? Pffft, you might as well not even try)

ratings-before.PNG
 
And after (now my thanks seem so much more valuable! )

ratings-after.PNG

btw how are you supposed to use this? I tried downloading it but don't know how to proceed further