TeXample is alive. I added 6 examples just in the last few days. In 2013 I added 15 examples, which isn't so much, I agree (chronological list). I slowed down since I've got my second child, still I wanted to add all submissions and still plan to add some of the great examples from TeX.SE.
I'm very sorry that I missed to add your example. I scanned through my older emails and found it again, the link to github with your code. I also found my reply I sent the same day, and your following update notice from April 1. Just to clarify (it's still my fault to not follow up your code), perhaps you would like to remove just the parts with November 2012 and never got an answer, in the question above, if you like.
Back to the point, TeXample is alive and will be further updated and maintained. I would be glad to receive further contributions to add to the gallery, so please don't hesitate to send me, if you like. In case it might take time, just send me a friendly reminder email so nothing should get lost.
Btw. the comment feature was just disabled a short time ago, because the spam rate was too high (more than 3000 each months) and some came through the filter, causing too much moderation work. It will be enabled again, once I implemented a better spam filter.
What I usually do, when adding a submission:
- I read the code and try to understand
- I might break long lines and improve indentation for readability
- Sometimes I try to explain the science or tech topic (if I just got the code)
- I might change to a standard document class such as article - I often get
standalone (still a bit new, not every user may have installed it), and the
- I usually insert preview package and settings, it's in the download code but not in the way in the visible code on the web page
- Find good topic tags, but also tags for used features which I see in the code
- Compiling and inserting, compiling and producing image and thumbnails is quick thanks to Kjell's great scripts
- Editing database info (author, date, tags)
Thank you, Olivier, your example is now online: Shake and Rattle on a planar pendulum example
Put it to the test, challenge me, and submit examples.
Update: waving the TeX.SE flag, added this evening TeX.SE answer code by Paul Gaborit, Gonzalo Medina, and JLDiaz (backlinks there):