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New Years Data To DB - Arithmetic, Graphs and Relations

Posted 03-14-2019 at 04:58 PM by astrogeek
Updated 03-15-2019 at 12:14 PM by astrogeek (Forgot aggregate column)

... Or, How To Get From Arithmetic to Relational Algebra and Enjoy The Trip!

Quote:
Originally Posted by dogpatch View Post
I found the 'NP Complete' link quite interesting, even though i still don't fully grasp the concept, nor your explanations about sets, etc.
I would very much like to try to explain some of the ideas of sets, how those are important to some aspects of our fun with the newyears puzzle, and why that takes us into the domains of graph theory and relational databases. In doing so, I do not pretend...
Moderator
Views 1416 Comments 0 astrogeek is offline
Old

i3 startup

Posted 03-12-2019 at 08:58 PM by schulidr (An open source user evolution)
Tags autostart, i3wm

Trying to generate the autorun options for starting i3. I'd like my optimal desktop to just start without me doing anything

- I have been editing the ~/.config/i3/config file with some luck
- i3-layout-manager does a good job at saving the .json file. I do need to edit it so it restores my desktop session
which is where I am running into issues



- I have the first two workspaces saved as .json files and...
LQ Newbie
Posted in Uncategorized
Views 1288 Comments 0 schulidr is offline
Old

New Years Data To DB - The Model and The Data

Posted 03-12-2019 at 03:48 PM by astrogeek
Updated 03-12-2019 at 05:02 PM by astrogeek (typos)

With a now complete solution set and minimal set of generating expressions, it seems reasonable to think about inserting these into a relational database in order to more easily explore the landscape. To do so we need a normalized data model to query, and methods of capturing the data into the model or schema, both of which are easily within reach.

First, it is important to realize how many unique result sets there are, and how these are related to the ten thousand four digit "years"....
Attached Images
File Type: gif newyear.gif (20.4 KB, 10 views)
Attached Files
File Type: txt years_v1.1.0.tar.gz.txt (16.2 KB, 1 views)
Moderator
Views 1563 Comments 2 astrogeek is offline
Old

Alpine mail

Posted 03-10-2019 at 10:21 PM by schulidr (An open source user evolution)

Got Alpine mail to work on my computer tonight and I am ecstatic about it. I have long wanted a command line only interface and this gets me one step closer. This was way easier than I thought it was going to be. Here are my notes from the install and setup...

Setting up Alpine Mail:

Install Alpine mail
,,,yay alpine,,,
I always get a little nervous when I install something from the AUR and it has to
compile. This takes a while and it's...
LQ Newbie
Posted in New to Linux
Views 748 Comments 0 schulidr is offline
Old

ExTiX 19.3, Build 190307 based on upcoming Ubuntu 19.04, with Xfce 4.13, Kodi 18.2 “Leia”, Refracta Snapshot, Nvidia and kernel 5.0.0-exton

Posted 03-07-2019 at 12:33 PM by exton (Exton's Blog)
Updated 03-08-2019 at 04:58 AM by exton

NEWS 190307 ABOUT ExTiX Xfce4/Kodi, Build 190307
A new extra version of ExTiX is ready. This version is based on upcoming Ubuntu 19.04 Disco Dingo. To be released in a stable version 190418. ExTiX 19.3 uses the Xfce Desktop 4.13 and kernel 5.0.0-exton. Xfce is a lightweight desktop environment for UNIX-like operating systems. It aims to be fast and low on system resources, while still being visually appealing and user friendly. This version of ExTiX Xfce4 is for non-UEFI computers. Kodi 18.2 Leia...
ExTiX Admin
Views 399 Comments 2 exton is offline

  



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