Elmar Klausmeier's Blog on Computers, Programming, and Mathematics (Page 4)

Clear Cache in Brave for Android

, 1 min read

Problem statement: How to clear the cache in the Brave browser on Android. The Brave browser attracted some interest as it provides protection against malware, and blocks annoying ads, like flickering images, popups, which want you to download shady and harmful software. You can download the Brave…

Slides on Simplified Saaze

, 3 min read

This very blog is using Simplified Saaze as a static site generator. I.e., I write my blog posts in Markdown, then Simplified Saaze converts them to plain HTML and CSS. 1. Brief history: In May 2021 I moved from WordPress to the static site generator Saaze. See post Moved Blog To…

Invalid MIT-MAGIC-COOKIE-1 key

, 1 min read

1. Problem statement: You can no longer start any X applications. You just get something like $ xclock Invalid MIT-MAGIC-COOKIE-1 key Error: Can't open display: :0 You cannot even run $ xhost + Invalid MIT-MAGIC-COOKIE-1 key xhost: unable to open display ":0" So, you are stuck. 2.…

Installing Simplified Saaze on Oracle Cloud

, 5 min read

This blog runs on Simplified Saaze. Simplified Saaze is a static site generator written in PHP. I use Simplified Saaze to generate all ca. static 700 HTML files. I recently configured a minimal Oracle cloud instance, see First Impressions on Oracle Cloud. This blog post shows how to install…

First Impressions on Oracle Cloud

, 8 min read

1. Instance Setup 2. Problem with dnf 3. Setup NGINX 4. Problem with sporadic dropouts I read about the Oracle Always Free Instance here: Oracle Cloud Always Free Instance Ubuntu -> Debian Conversion Oracle Cloud: first impressions I registered for Oracle cloud. The registration requires: a…

PHP stuttering under load

, 25 min read

This very blog is run by Simplified Saaze. Simplified Saaze is a static site generator, i.e., it reads Markdown files and produces HTML files, which are then served from a web-server. This is called static mode. Simplified Saaze can also be used in a dynamic mode. In that mode the Markdown file is…

ASRock DeskMini X300 with AMD Ryzen 5700G

, 3 min read

I ordered the following parts from Mindfactory and Amazon. Part # EUR ASRock DeskMini X300 AM4 1 140.98 AMD Ryzen 7 5700G 8x 3.80GHz So.AM4 BOX 1 134.99 1TB Crucial E100 M.2 2280 PCIe 4.0 x4 3D-NAND QLC (CT1000E100SSD8) 1 54.89 Crucial RAM CT2K32G4SFD832A 64GB (2x32GB) DDR4 3200MHz…

Stability Mountains for Donelson & Hansen 1-6

, 53 min read

This is in continuation of: Stability Regions for BDF and Tendler's Formulas Stability Regions for Tischer's Formulas Stability Regions for Mihelčić's Formulas Stability Regions for Donelson and Hansen Formulas Below is the output of: stabregion3 -f DonelsonHansen1 -o3 -r80…

Stability Mountains for Mihelčić's Formulas

, 21 min read

This is in continuation of: Stability Regions for BDF and Tendler's Formulas Stability Regions for Tischer's Formulas Stability Regions for Mihelčić's Formulas Stability Regions for Donelson and Hansen Formulas Below is the output of: stabregion3 -f Mihelcic4 -o3 -r50 stabregion3…

Stability Mountains for Tischer8

, 14 min read

This is in continuation of: Stability Regions for BDF and Tendler's Formulas Stability Regions for Tischer's Formulas Below is the output of: stabregion3 -f Tischer8 -o3 -r160 Tischer8: var data2d_Tischer8 = [ [0.00000000, 0.00000000, 1], [1.43636886, 0.00000000, 1], …

Stability Mountains for Tischer7

, 13 min read

This is in continuation of: Stability Regions for BDF and Tendler's Formulas Stability Regions for Tischer's Formulas Below is the output of: stabregion3 -f Tischer7 -o3 -r140 Tischer7: var data2d_Tischer7 = [ [0.00000000, 0.00000000, 1], [1.23029604, 0.00000000, 1], …

Stability Mountains for Tischer6

, 13 min read

This is in continuation of: Stability Regions for BDF and Tendler's Formulas Stability Regions for Tischer's Formulas Below is the output of: stabregion3 -f Tischer6 -o3 -r140 Tischer6: var data2d_Tischer6 = [ [-0.00000000, 0.00000000, 1], [1.02040816, 0.00000000, 1], …

Stability Mountains for Tischer5

, 11 min read

This is in continuation of: Stability Regions for BDF and Tendler's Formulas Stability Regions for Tischer's Formulas Below is the output of: stabregion3 -f Tischer5 -o3 -r120 Tischer5: var data2d_Tischer5 = [ [-0.00000000, 0.00000000, 1], [0.79110795, 0.00000000, 1], …

Stability Mountains for Tischer4

, 11 min read

This is in continuation of: Stability Regions for BDF and Tendler's Formulas Stability Regions for Tischer's Formulas Below is the output of: stabregion3 -f Tischer4 -o3 -r120 Tischer4: var data2d_Tischer4 = [ [-0.00000000, 0.00000000, 1], [0.67604110, 0.00000000, 1], …

Stability Mountains for Tischer3

, 11 min read

This is in continuation of: Stability Regions for BDF and Tendler's Formulas Stability Regions for Tischer's Formulas Below is the output of: stabregion3 -f Tischer3 -o3 -r120 Tischer3: var data2d_Tischer3 = [ [-0.00000000, 0.00000000, 1], [0.67604110, 0.00000000, 1], …

Stability Mountains for Tendler7

, 13 min read

This is in continuation of: Stability Regions for BDF and Tendler's Formulas Stability Regions for Tischer's Formulas Below is the output of: stabregion3 -f Tendler7 -o3 -r120 Tendler7: You can rotate the graphic around any axis. var data2d_Tendler7 = [ [43.45846478,…

Stability Mountains for Tendler6

, 9 min read

This is in continuation of: Stability Regions for BDF and Tendler's Formulas Stability Regions for Tischer's Formulas Below is the output of: stabregion3 -f Tendler6 -o3 -r90 Tendler6: You can rotate the graphic around any axis. var data2d_Tendler6 = [ [22.91285948,…

Stability Mountains for Tendler5

, 7 min read

This is in continuation of: Stability Regions for BDF and Tendler's Formulas Stability Regions for Tischer's Formulas Below is the output of: stabregion3 -f Tendler5 -o3 -r60 Tendler5: You can rotate the graphic around any axis. var data2d_Tendler5 = [ [21.33601566,…

Stability Mountains for Tendler4

, 6 min read

This is in continuation of: Stability Regions for BDF and Tendler's Formulas Stability Regions for Tischer's Formulas Below is the output of: stabregion3 -f Tendler4 -o3 -r60 Tendler4: You can rotate the graphic around any axis. var data2d_Tendler4 = [ [0.37500000,…

Stability Mountains for Tendler3

, 5 min read

This is in continuation of: Stability Regions for BDF and Tendler's Formulas Stability Regions for Tischer's Formulas Below is the output of: stabregion3 -f Tendler3 -o3 -r50 Tendler3: You can rotate the graphic around any axis. var data2d_Tendler3 = [ [0.75000000,…



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