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    1. Day 5: Sunny with a Chance of Asteroids

      Today's problem description: https://adventofcode.com/2019/day/5 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/5


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      6 votes
    2. What programming/technical projects have you been working on?

      This is a recurring post to discuss programming or other technical projects that we've been working on. Tell us about one of your recent projects, either at work or personal projects. What's...

      This is a recurring post to discuss programming or other technical projects that we've been working on. Tell us about one of your recent projects, either at work or personal projects. What's interesting about it? Are you having trouble with anything?

      16 votes
    3. Day 3: Crossed Wires

      Today's problem description: https://adventofcode.com/2019/day/3 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/3


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      13 votes
    4. Day 2: 1202 Program Alarm

      Today's problem description: https://adventofcode.com/2019/day/2 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/2


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      13 votes
    5. Day 1: The Tyranny of the Rocket Equation

      Today's problem description: https://adventofcode.com/2019/day/1 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/1


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      13 votes
    6. Day 4: Secure Container

      Today's problem description: https://adventofcode.com/2019/day/4 Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c. Please post your...

      Today's problem description: https://adventofcode.com/2019/day/4


      Join the Tildes private leaderboard! You can do that on this page, by entering join code 730956-de85ce0c.

      Please post your solutions in your own top-level comment. Here's a template you can copy-paste into your comment to format it nicely, with the code collapsed by default inside an expandable section with syntax highlighting (you can replace python with any of the "short names" listed in this page of supported languages):

      <details>
      <summary>Part 1</summary>
      
      ```python
      Your code here.
      ```
      
      </details>
      
      12 votes
    7. I've created a temporary sub-group for this year's Advent of Code, subscribe if you're interested!

      In this thread, people have been starting to post and discuss their solutions to this year's Advent of Code problems. To help make this easier to organize and discuss on Tildes, I've decided to...

      In this thread, people have been starting to post and discuss their solutions to this year's Advent of Code problems.

      To help make this easier to organize and discuss on Tildes, I've decided to create a sub-group devoted to it: ~comp.advent_of_code. We can keep this sub-group around for a couple of months or so, and this way we can split into separate topics for each day's problems, people getting started later can still get involved easily, and it will also make it simple for others that aren't interested to avoid the posts (just don't subscribe).

      I've automatically subscribed everyone that interacted with that original topic (by commenting in it, or voting on the topic itself or any of the comments), but nobody else. So if you're interested in participating in Advent of Code or discussing it, please subscribe to the sub-group. Posts from the sub-group won't be shown to logged-out users by default either, so any logged-out users that want to observe will need to visit the sub-group directly (or you're welcome to email me and request an invite so you can register and subscribe).

      I'll also be setting up scheduled posts to post automatically for each day's puzzle and possibly some other things, but we can discuss all of that inside the sub-group.

      36 votes
    8. Tips, suggestions and feedback for this Advent of Code group

      A few quick notes I wanted to put in here: The group's posts will sort by Activity by default (unless you've changed your overall default sorting), meaning that topics will "bump" back to the top...

      A few quick notes I wanted to put in here:

      • The group's posts will sort by Activity by default (unless you've changed your overall default sorting), meaning that topics will "bump" back to the top when anyone posts a new comment. This is good for being able to see people posting new solutions or discussing older problems, but will probably mean the topics are out of order. If you click "New" at the top of the topic listing you can sort the topics in reverse chronological order. That way the most recent day's problem will always be at the top.

        After changing your sorting, there will also be a "Set as default" button to the right of the sorting options that you can click to use that sorting method by default in the future (will only apply inside this group).

      • I'm going to set up an automatic scheduled post that will be posted daily at the time each new problem goes up. I don't currently have a good way to make it include the day number or link to the description automatically, so it will need to be manually edited each day (and I'll try to do that shortly after it goes up). I may implement something to improve this eventually, we'll see.

      • If you had solutions posted in the original thread, it would be nice to move them into the proper threads for the first 3 days that I've created now. That way people coming in later can easily find other solutions for all the problems, and if anyone wants to comment on your solutions we can separate the discussions more easily.

      That's all that comes to mind for now. If you have any suggestions or feedback about the sub-group, please let me know.

      14 votes
    9. This is the first time that I've had significant trouble with a desktop Mac since I purchased one in 2008.

      Basically, any trouble that I've had prior to this has been negligible and easily resolved. I don't recall, exactly, when these two issues began. Possibly months after upgrading to Catalina. I'm...

      Basically, any trouble that I've had prior to this has been negligible and easily resolved.

      I don't recall, exactly, when these two issues began. Possibly months after upgrading to Catalina. I'm combining the two issues because I believe that they be related.

      The first issue that I noticed was with Firefox (probably 70.0.1 and slightly earlier). I would have two or three tabs open, and go back to one of the other tabs, to find a completely white screen with a grayish colored pinwheel. I'd then go back to one of the other tabs to find the same thing (that was previously not happening. Then, I'd close all the tabs to open a new one in order to try starting fresh. No dice...same shit.

      Following this I'd select > Firefox > Quit Firefox. Minutes later it's still not quitting indicated by the black dot under the icon of the launch bar. So, I'd go to the apple icon > Force Quit > to execute that. Finally, it would quit. Minutes later I'd try to reopen Firefox and the icon would just keep jumping up and down from the launch bar and nothing would happen.

      I guess I'll just have to restart the computer then, right? Apple icon > Restart > several minutes later nothing would happen except for another grayed out pinwheel. So, I just performed a hard reset by holding in the power button on the back left of the screen. Waited several minutes, started it up again by quickly pressing the same button.

      After logging into my account, I'd get the usual text box saying that 'Your computer was restarted because of a problem...blah...blah...blah'. All of the aforementioned took many minutes.

      Now, when I try to shutdown my iMac it just goes black and then returns to the login screen with a brief black screen, in several languages (Chinese being one of them), that 'You have restarted your computer.....'

      And Firefox keeps fucking up as described above. Going to about:crashes registers jack shit.

      It's a never-ending loop of Mac/Firefox bullshit that's driving me fucking nuts.

      10 votes
    10. What programming/technical projects have you been working on?

      This is a recurring post to discuss programming or other technical projects that we've been working on. Tell us about one of your recent projects, either at work or personal projects. What's...

      This is a recurring post to discuss programming or other technical projects that we've been working on. Tell us about one of your recent projects, either at work or personal projects. What's interesting about it? Are you having trouble with anything?

      12 votes
    11. Fortnightly Programming Q&A Thread

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads. Don't forget to format your code using the triple...

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads.

      Don't forget to format your code using the triple backticks or tildes:

      Here is my schema:
      
      ```sql
      CREATE TABLE article_to_warehouse (
        article_id   INTEGER
      , warehouse_id INTEGER
      )
      ;
      ```
      
      How do I add a `UNIQUE` constraint?
      
      4 votes
    12. Fortnightly Programming Q&A Thread

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads. Don't forget to format your code using the triple...

      General Programming Q&A thread! Ask any questions about programming, answer the questions of other users, or post suggestions for future threads.

      Don't forget to format your code using the triple backticks or tildes:

      Here is my schema:
      
      ```sql
      CREATE TABLE article_to_warehouse (
        article_id   INTEGER
      , warehouse_id INTEGER
      )
      ;
      ```
      
      How do I add a `UNIQUE` constraint?
      
      8 votes
    13. Some questions about using terminal

      When running brew upgrade I get some errors that I'd like to resolve. xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at:...

      When running brew upgrade I get some errors that I'd like to resolve.

      xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun

      I'm fairly new to terminal and have no idea what this is or how to fix it.

      The next one is:

      Error: Could not link: /usr/local/share/doc/homebrew
      Please delete these paths and run 'brew update'.

      How, exactly, do I delete paths?

      Also, would you recommend some introductory to intermediate reading on how to use terminal?

      6 votes
    14. What programming/technical projects have you been working on?

      This is a recurring post to discuss programming or other technical projects that we've been working on. Tell us about one of your recent projects, either at work or personal projects. What's...

      This is a recurring post to discuss programming or other technical projects that we've been working on. Tell us about one of your recent projects, either at work or personal projects. What's interesting about it? Are you having trouble with anything?

      11 votes