Analysis of Performance of Demo Open E-Mobility Site

I analyzed the website performance of Open E-Mobility in Analysis of Website Performance #2. There is a public-facing demo-site to actually view the software in real-time here: Demo. This site looks like this: In the following I conduct a black-box analysis. I did not look at the source code of…

Example Theme for Simplified Saaze: Mobility

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

Harald Herminghaus

End of 2022 our family had a reunion. That gave the ability to see brother, sisters, cousins, etc. During this reunion I became aware of the more specific circumstances of my survival as an infant in 1964-65. My mother did not breast-feed me, but fed me with wheat products, as was customary during…

Installing Simplified Saaze on Windows 10

This blog uses the static site generator Simplified Saaze. I use this generator on Arch Linux. The Linux environment is a very natural environment for such a generator. In case you want to use this generator on Windows, this post shows the steps to install it on Windows. There are multiple ways to…

Analysis of Website Performance #2

1. Problem statement. Analyse website performance of Open E-Mobility site. 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…

Twitter Boom

WordPress.com had a functionality to automatically republish a post on Twitter, Tumblr, Facebook, LinkedIn, Google+, etc. This functionality was called "Publicize", it is now called "auto-sharing". Once I moved to my own server, I did not bother to republish. Last week, I…

Updating AUR Package

For updating an AUR package I use trizen. But this post is about maintaining an AUR package. Here I will collect the commands required to update the PKGBUILD, when you maintain an AUR package. Let's take makedepend as an example. First you check-out the Git repository in read-write mode. git clone…

SQLite Storage for J-Pilot

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

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

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

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

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

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

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

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

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

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

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

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

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…