SQLite Storage for J-Pilot

4th December 2022

I am using J-Pilot since more than 20 years. I am using it on a daily basis. I do no longer use any Palm device. I had owned a Palm III, a Palm V, and a Tungsten, but they all failed at some point in time, and are no longer usable. Therefore, I do no HotSync between PC and Palm device. I use…

Introduction to Hashing

19th November 2022

In continuation of Simple Exercises for a C Programming Language Course here is a short introduction to hashing ("Streuspeicher"). Original task at hand is: Count how many times a number occurs in a list of numbers? The numbers itself can can vary wildly, while the number of numbers is…

Fixed Block Files

13th November 2022

On MVS there are mainly VB and FB files. This is abbreviated RECFM=VB or RECFM=FB (record format). VB files are variable block, each record in the file contains a 4-byte header for the length information. FB are fixed block, each record having a fixed number of bytes. The record length is…

Line Length Distribution in Files

12th November 2022

When processing input files I have to check whether those input files have a common record format. For this I therefore have to compute the line length of each record in the input file. 1. Perl solution. The below program reads the input file and shows a histogram of each line length with its…

Crashing J-Pilot

6th November 2022

I am using J-Pilot since more than 20 years. I mostly use: Datebook as kind of a diary and for accounting purposes (what did I do for client X at date Y) Address Memos I use Todo's rarely, if at all. I had used Todo's in the past a bit. For the Expense part: I just played with Expenses, but never…

Renumbering J-Pilot SQLite Data

9th October 2022

The J-Pilot SQLite plugin stores data in SQLite with Id's stemming from J-Pilot and your various Palm devices over time. These Id's are not necessarily consecutive and jump wildly. Below SQL can be used to renumber them. The approach is to move the Id's to a high range, then copy that range to your…

Statistics of this Blog: Crossed 120.000 Views

18th September 2022

This blog including my previous blog at WordPress have now been viewed more than 120.000 times. Roughly 600 views per month, also see Statistics of this Blog in 2021. This is less than the usual 1.000 to 1.500 views per month on WordPress, see Statistics of this Blog: Crossed 110.000 Views. This…

Electricity Measurement with Shelly 3EM

11th September 2022

This week Peter Kammermeier installed two measurement tools in the switchbox and DC to AC solar converter box. Measurement tool is a Shelly 3EM, "Professional Energy Meter". Shelly is a brand of Allterco, headquarted in Sofia (Bulgary). On their website they say that they have sold over…

Example Theme for Simplified Saaze: nukeKlaus

5th September 2022

Simplified Saaze is the static site generator, which is used to generate this blog. So far, there are three example themes for Saaze. Saaze Example: By design, this design is very simple. Saaze J-Pilot: This design contains top-menus with sub-menus, pages in English and German, a blog, responsive…

Analysis of Website Performance

22nd August 2022

1. Problem statement. I had written on website performance and measurement here: Speed-Tests with Pingdom.com Bandwith Diet for This Blog Accelerating Page Load Times by Reducing Requests Accelerating Page Load Times by Reducing Requests, Part #2 The overall lessons were: Measure your website…

Exploring Cloudflare Workers

8th August 2022

1. Terminology. Cloudflare offers a service called "Cloudflare Pages". It is two things: Provide ample space for static content: HTML + CSS + images + PDF + etc. Provide a JavaScript execution environment on the edge Part #1 alone would be a good thing. I have written on this here…

Twitter: Infinite Loop on Logout

7th August 2022

At 04-Aug-2022 06:52:19 I ended up in an infinite loop at Twitter: I could not log-out, but I could also not continue. The remedy was nevertheless easy, I simply had to correct the URL to twitter.com again. It is noteworthy that even a large internet company like Twitter produces these kinds of…

Nima Badizadegan on Cloud Computing

6th August 2022

Nima Badizadegan, an electrical engineer, who previously worked almost three years for Google, wrote Use One Big Server on his blog. He talks on cloud computing, not specially on cloud storage. He starts with a description of a cloud machine from Microsoft Azure having an AMD CPU with 64 core, 128…

Simplified Saaze now part of Jamstack listing

4th August 2022

Since Thu, 04-Aug-2022, Simplified is now officially part of the Jamstack list: Site Generators -- A List of Static Site Generators for Jamstack Sites. I had requested a merge on 21-Feb-2022, and now almost half a year later Netlify reacted and added the entry. Good to see Simplified Saaze next to…

Hosting Static Content with Cloudflare

31st July 2022

I wrote about hosting static sites on various platforms: Hosting Static Content with surge.sh Hosting Static Content with now.sh, now.sh renamed themself to vercel.app Hosting Static Content with netlify.app Since end of 2021 Cloudflare greatly enhanced their static site offering: Cloudflare…

npm error: must provide string spec

30th July 2022

I tried to install some npm packets with npm install. This failed with error npm install npm ERR! must provide string spec Looking into the source of the error in the entire npm under /lib/node_modules/npm: node_modules/@npmcli/arborist/lib/edge.js 51: throw new TypeError('must provide string…

Josep Stuhli On Scaling to 20 Million Users

11th July 2022

Josep Stuhli is CTO of SofaScore. SofaScore has live scores from more than 600 soccer leagues world wide. According SimilarWeb it has around 50-100 million totals visits per day. Headquartered in Zagreb, Croatia, most users come from Brazil, Italy, USA, and GB. On DORS/CLUC 2022, a Linux and free…

Example Theme for Simplified Saaze: Koehntopp

9th July 2022

Simplified Saaze is the static site generator, which is used to generate this blog. So far, there are two example themes for Saaze. Saaze Example: By design, this design is very simple. Saaze J-Pilot: This design contains top-menus with sub-menus, pages in English and German, a blog, responsive…

Example Theme for Simplified Saaze: J-Pilot

27th June 2022

Simplified Saaze is the static site generator, which is used to generate this blog. So far, there was one example theme for Saaze: Saaze Example. This example was, by design, very simple. Now there is another theme, which showcases Simplified Saaze. It's called the J-Pilot theme. You can see it in…

Breaking Vodafone Router

16th June 2022

In Aggressive Vodafone Router I already mocked about the software quality of the Vodafone router TG3442DE: software in this router was stone old, configuration was user unfriendly. In continuation of this: this router broke on 03-Jun-2022. No reboot or power off and power on method helped to make…