forum.dlang.org is now using DCaptcha

[Eric via Digitalmars-d-announce]

I got stumped on the delimited string question, but I was
able to get the answer by viewing the page source in my web 
browser.

-Eric


On Tuesday, 2 December 2014 at 21:41:28 UTC, Vladimir Panteleev 
wrote:
> I'm sure you all are as tired of the occasional spam that hits 
> these lists as I was deleting it. (Mailing list users in 
> particular, I guess, since we can't delete an email once it was 
> sent out.) Most of the spam was coming in through the forum, so 
> I suppose I was responsible for [not] keeping it out.
>
> Although forum.dlang.org has had a spam check and used 
> reCAPTCHA since it was announced, it is only somewhat effective 
> against fully-automated bots - it is powerless against humans 
> paid to post spamverts on forums web-wide, which is what the 
> current spam economy seems to be gravitating towards.
>
> Enter DCaptcha, a question-answer challenge tailored for D 
> programmers. Its goals are to challenge posters of 
> suspicious-looking content with questions that should be easy 
> to answer to D programmers, and impossible for non-technical 
> people with no incentive to learn or research stuff (i.e. 
> spammers). DCaptcha is already in use on the D wiki 
> (wiki.dlang.org), with great success - DCaptcha's debut cut the 
> short-lived explosion in wiki spam to zero.
>
> For an idea of what sort of questions DCaptcha asks, you can 
> demo it on the following page, so you don't have to clutter the 
> forum with test posts:
>
> http://wiki.dlang.org/extensions/DCaptcha/demo.php
>
> Source code:
>
> https://github.com/CyberShadow/dcaptcha
>
> Pull requests for more challenges are welcome. You can find 
> some goals for new challenges at the top of dcaptcha.d.
>
> Previous discussion (w.r.t. the D wiki):
>
> http://forum.dlang.org/post/tpflbvlfutjwyvqmowdx@forum.dlang.org