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    1. What have you been listening to this week?

      What have you been listening to this week? You don't need to do a 6000 word review if you don't want to, but please write something! Feel free to give recs or discuss anything about each others'...

      What have you been listening to this week? You don't need to do a 6000 word review if you don't want to, but please write something!

      Feel free to give recs or discuss anything about each others' listening habits.

      You can make a chart if you use last.fm:

      http://www.tapmusic.net/lastfm/

      Remember that linking directly to your image will update with your future listening, make sure to reupload to somewhere like imgur if you'd like it to remain what you have at the time of posting.

      8 votes
    2. General Tildes feedback/questions, primarily around becoming publicly-visible soon (but still invite-only)

      Things have been pretty quiet and steady for the last few weeks. This is mostly deliberate on my end—I'm going to be away for about a week around the end of the month, so I didn't want to make any...

      Things have been pretty quiet and steady for the last few weeks. This is mostly deliberate on my end—I'm going to be away for about a week around the end of the month, so I didn't want to make any major changes or push for a big burst of new users when I might not be very available to deal with any issues. Most of my time lately has been working on stuff in the background, including doing some cleanup, finally getting around to various things I've been putting off for a while, and so on.

      However, in early December I'm planning to move forward into the next "phase" for Tildes, which will be making it publicly-visible so that people are able to visit and read the content here even if they don't have an account. Registration will remain invite-only, but I'll probably try to make the process a little easier or automated in some way so that it doesn't require so much effort from people like me and @cfabbro (who's been diligently running invite-request threads on reddit for months).

      Overall, I think that being publicly visible should help a lot, both to increase interest for the site as well as addressing a few common misconceptions about it (which are mostly because people can't see anything for themselves). Right now we're effectively "wasting" a lot of invites by forcing people to get an invite and register before they can even see if Tildes has anything they're interested in, so opening it up for everyone to be able to view should make invites a lot more efficient when they're only requested by people that want to participate.

      One thing I should mention is that I'm not intending to have a "default front page" for logged-out users. They'll need to choose specific groups to view, and I've been playing around with a few ways to try to make this convenient (that will probably end up being available to logged-in users as well).

      It's also been a while since I gave everyone more invite codes, so I've given everyone 10 now. If there's anyone else you want to invite before we get into the publicly-visible stage of things, you can get your codes through the Invite page (linked in your user page's sidebar).

      Please let me know if any of you have any thoughts, questions or concerns about becoming publicly-visible, so I can see if there's anything else I'll need to make sure to address before being able to open it up. For example, are there any features that might have a privacy concern when public? Should we consider making any changes to the current set of groups? General feedback and questions unrelated to the public visibility are fine too (and always are—you can always feel free to message me or post in ~tildes).

      102 votes
    3. Programming Challenge - It's raining!

      Hi everyone, it's been 12 days since last programming challenge. So here's another one. The task is to make an algorithm that'll count how long would it take to fill system of lakes with water....

      Hi everyone, it's been 12 days since last programming challenge. So here's another one. The task is to make an algorithm that'll count how long would it take to fill system of lakes with water.

      It's raining in the forest. The forest is full of lakes, which are close to each other. Every lake is below the previous one (so 1st lake is higher than 2nd lake, which is higher than 3rd lake). Lakes are empty at the beginning, and they're filling at rate of 1l/h. Once a lake is full, all water that'd normally fall into the lake will flow to the next lake.

      For example, you have lakes A, B, and C. Lake A can hold 1 l of water, lake B can hold 3 l of water and lake C can hold 5 l of water. How long would it take to fill all the lakes?
      After one hour, the lakes would be: A (1/1), B (1/3), C(1/5). After two hours, the lakes would be: A(1/1), B(3/3), C(2/5) (because this hour, B received 2l/h - 1l/h from the rain and 1l/h from lake A). After three hours, the lakes would be: A(1/1), B(3/3), C(5/5). So the answer is 3. Please note, that the answer can be any rational number. For example if lake C could hold only 4l instead of 5, the answer would be 2.66666....

      Hour 0:

      
      \            /
        ----(A)----
                             \                /
                              \              /
                               \            /
                                ----(B)----
                                                   \           /
                                                    \         /
                                                     \       /
                                                     |       |
                                                     |       |
                                                      --(C)--
      

      Hour 1:

      
      \============/
        ----(A)----
                             \                /
                              \              /
                               \============/
                                ----(B)----
                                                   \           /
                                                    \         /
                                                     \       /
                                                     |       |
                                                     |=======|
                                                      --(C)--
      

      Hour 2:

                  ==============
      \============/           |
        ----(A)----            |
                             \================/
                              \==============/
                               \============/
                                ----(B)----
                                                   \           /
                                                    \         /
                                                     \       /
                                                     |=======|
                                                     |=======|
                                                      --(C)--
      

      Hour 3:

                  ==============
      \============/           |
        ----(A)----            |             ========
                             \================/       |
                              \==============/        |
                               \============/         |
                                ----(B)----           |
                                                   \===========/
                                                    \=========/
                                                     \=======/
                                                     |=======|
                                                     |=======|
                                                      --(C)--
      

      Good luck everyone! Tell me if you need clarification or a hint. I already have a solution, but it sometimes doesn't work, so I'm really interested in seeing yours :-)

      21 votes
    4. Allow anonymous posting in some groups?

      Crazy Idea™: You know what might be neato, but I have no idea how it could be implemented... if Tildes could have groups where truly anonymous posting was allowed, though it would require...

      Crazy Idea™: You know what might be neato, but I have no idea how it could be implemented... if Tildes could have groups where truly anonymous posting was allowed, though it would require authentication. Use cases: ~talk about something embarrassing, or ask questions for which on Reddit you would make a throwaway. Maybe this user permission was only allowed after some threshold was met? If it was truly anonymous in the database, then notifications on replies probably could not work, right?

      Would that be useful at all? If so, probably low priority I know, but just a thought.

      10 votes
    5. What have you been watching/reading this week? (Anime/Manga)

      Feel free to talk about something you saw that was cool, something that was bad, ask for recommendations, or anything else you can think of. If you want to, feel free to find the thing you're...

      Feel free to talk about something you saw that was cool, something that was bad, ask for recommendations, or anything else you can think of.

      If you want to, feel free to find the thing you're talking about and link to its Anilist, MAL, or any other anime/manga database you use!

      7 votes