13th December 2024
Categories
This blog uses categories and tags. Categories are the more generic term, while tags are used in a more specific way.
Android
- 2013-03-13: Screenshots on Nexus 4 (Android 4.x)
- 2013-08-04: Google Now Emergency Alert
- 2013-08-04: ssh and rsync for Android
- 2013-09-08: India is now the third largest Smartphone market in the world - Android Authority
- 2013-12-30: Performance of Dalvik versus native C compilation
- 2014-10-21: Review of the OnePlus One Smartphone
- 2014-11-19: I have OnePlus invites to give away
- 2014-12-30: Three Free Invites For the OnePlus One
- 2015-05-24: Installing OxygenOS 1.0 on the OnePlus One Smartphone
- 2015-07-27: Accessing Android phone via USB cable
- 2015-10-10: Upgrading from OxygenOS 1.0.0 to 1.0.3 on the OnePlus One Smartphone
- 2015-11-23: One Free Invite for the OnePlus X
- 2016-04-12: Upgrading from OxygenOS 1.0.3 to 2.1.4 on the OnePlus One Smartphone
- 2019-06-29: Google Chrome in Android Cannot Clear Cookies
- 2020-03-12: ssh and rsync for Android, Termux
- 2020-03-19: J-Pilot Data on Android Phone: Contacts
- 2022-05-26: Upgrading OnePlus Five to Oppo Reno4
- 2023-11-29: Linux on Android Devices
- 2024-11-25: Upgrading Oppo Reno4 to Xiaomi 14T Pro
C / C++
- 2013-01-07: Number of Combinations for German Tax Id
- 2013-01-11: OpenGL Program: Earth with Moon Rotating around Sun
- 2013-04-30: 0x5f3759df - calculating inverse square root
- 2013-06-22: Memory Limitations with IBM Enterprise COBOL Compiler
- 2013-06-29: GNU C: Extensions to the C Language Family
- 2013-06-29: Hash functions: An empirical comparison -- article by Peter Kankowski
- 2013-06-30: Hashing Just Random Numbers
- 2013-06-30: Very simple SHA1 test program written in C
- 2013-07-27: SUNDIALS (SUite of Nonlinear and DIfferential/ALgebraic equation Solvers)
- 2013-09-21: Georg Hager's Blog: Intel vs. GCC for the OpenMP vector triad: Barrier shootout!
- 2013-11-30: Working with System V IPC queues
- 2013-12-01: Output from deviceQuery for NVidia GTX 560
- 2013-12-30: Performance of Dalvik versus native C compilation
- 2014-01-13: Changing euid (effective user ID)
- 2014-05-10: Simple Exercises for a C Programming Language Course
- 2014-05-15: Patching Faulty EDID Information
- 2014-07-05: Splitting Large Files on Microsoft Windows
- 2014-07-16: Day 1, Workshop Programming of Heterogeneous Systems in Physics
- 2014-07-17: Day 2, Workshop Programming of Heterogeneous Systems in Physics
- 2014-10-27: Effect of Optimizer in gcc on Intel/AMD and Power8
- 2015-02-12: Downloading Binary Data, for example Boost C++ Library
- 2015-05-14: Speeding-Up Software Builds: Parallelizing Make and Compiler Cache
- 2016-02-03: Performance Comparison of mmap() versus read() versus fread()
- 2016-03-23: Slides on OpenMP by Christian Terboven & Dirk Schmidl
- 2016-04-05: Performance Comparison C vs. Lua vs. LuaJIT vs. Java
- 2016-05-23: Convert ASCII to Hex and vice versa in C and Excel VBA
- 2016-05-30: GCC 6.1 Compiler Optimization Level Benchmarks
- 2016-11-22: Operation Costs Measured in CPU Clock Cycles
- 2017-06-26: Text Analysis using Concordance
- 2017-07-17: C Pointer Surprises
- 2018-01-23: Hashing with Iterator in C
- 2018-01-30: Rewriting Perl to plain C
- 2018-02-06: Parallelization and CPU Cache Overflow
- 2020-04-29: J-Pilot Plugin For SQLite Export
- 2020-05-05: Performance Comparison in Computing Exponential Function
- 2020-05-14: Performance Comparison Pallene vs. Lua 5.1, 5.2, 5.3, 5.4 vs. C
- 2020-06-23: Calling C from Julia
- 2021-02-01: Performance comparison Ryzen vs. Intel vs. Bulldozer vs. ARM
- 2022-01-23: IMS/DC MFS To PHP
- 2022-11-13: Fixed Block Files
- 2022-11-19: Introduction to Hashing
- 2023-03-25: Performance Comparison C vs. Java vs. Javascript vs. PHP vs. Python vs. Cobol vs. Dart
- 2024-02-24: MD4C PHP Extension
- 2024-03-18: Is Binary Compiled with Frame Pointer Support?
COBOL
- 2011-08-14: Mainframe Rehosting
- 2013-06-09: Mainframe Rehosting: Cost Reduction, Hardware Sizing, Tools, and Methodology
- 2013-06-22: Memory Limitations with IBM Enterprise COBOL Compiler
- 2013-06-30: Hashing Just Random Numbers
- 2018-01-30: Rewriting Perl to plain C
- 2021-08-17: Generating JSON with COBOL
- 2021-08-19: Printing COBOL Section Names
- 2021-10-04: Installing IBM COBOL for Linux on Arch Linux
- 2021-10-05: Comparing GnuCOBOL to IBM COBOL
- 2022-01-23: IMS/DC MFS To PHP
- 2022-03-20: Testing COBOLworx gcc-cobol
- 2023-02-12: Testing COBOLworx gcc-cobol #2
- 2024-03-02: Installing IBM COBOL for Linux on Arch Linux #2
- 2024-05-03: Converting UNIX Timestamps to Year, Month, Day in COBOL
- 2024-05-29: IGYRC5108-U: IBM Cobol Compiler Terminating
CPU
- 2012-12-29: CPU Usage Time Is Dependant on Load
- 2013-01-08: Computer Cooling
- 2013-04-21: Counting to Ten on Linux
- 2013-06-16: Running CPU/GPU Intensive Jobs on Titan Supercomputer
- 2013-10-06: AMD Bulldozer CPU Architecture Overview
- 2013-12-21: What is generally better: 64-bit or 32-bit?
- 2015-07-23: PC overheating
- 2016-11-22: Operation Costs Measured in CPU Clock Cycles
- 2018-02-06: Parallelization and CPU Cache Overflow
- 2020-07-07: ASRock DeskMini A300M with AMD Ryzen 3400G
- 2020-11-13: Windows 10 very slow after reboot
CUDA
- 2013-03-05: GTC 2012 Keynote by Jen-Hsun Huang (Part 03): The NVIDIA Kepler GPU Architecture
- 2013-05-16: CUDA without X Window System
- 2013-06-01: Vasily Volkov (UC Berkeley): Unrolling parallel loops
- 2013-06-16: Running CPU/GPU Intensive Jobs on Titan Supercomputer
- 2013-06-19: CUDA Performance
- 2013-09-06: Newer GPUGRID Tasks Keep GPU Really Hot
- 2013-09-09: Proportion of Papers on hgpu.org
- 2013-12-01: Output from deviceQuery for NVidia GTX 560
- 2014-05-03: Announcement: Workshop Programming of Heterogeneous Systems in Physics, July 2014
- 2014-07-16: Day 1, Workshop Programming of Heterogeneous Systems in Physics
- 2014-07-17: Day 2, Workshop Programming of Heterogeneous Systems in Physics
- 2015-02-07: Announcement: 11th International Conference on Parallel Programming and Applied Mathematics
- 2020-02-08: Contribution to scientific publications in GPUGrid
Fortran
- 2013-07-27: SUNDIALS (SUite of Nonlinear and DIfferential/ALgebraic equation Solvers)
- 2013-09-21: Georg Hager's Blog: Intel vs. GCC for the OpenMP vector triad: Barrier shootout!
Go
- 2013-03-13: Google Search says "Happy Birthday"
- 2013-05-06: John Raff / Dmitry Sandalov: Access Google translate from a terminal
- 2013-08-04: Google Now Emergency Alert
- 2013-10-21: Google Earth Used to Reunite Australian Boy With His Indian Mother
- 2014-01-15: Ignoring Security Certificate Errors in Google Chrome
- 2015-03-21: Importing Calendar Data to Google-Calendar
- 2019-06-29: Google Chrome in Android Cannot Clear Cookies
HDD
- 2013-02-12: ext3 vs. ext4
- 2013-09-11: Harddisk Drive Speed in MB/s
- 2014-12-28: Hard-Disk and USB Drive Speed Comparisons
- 2015-05-25: Hard-Disk and SSD Speed Comparisons
- 2016-07-27: SSD Speed on Dell XPS 13 9350
- 2020-08-09: SSD Speed on Dell XPS 13 9350 with Samsung EVO 970 Plus
J-Pilot
- 2013-02-17: jpilot-dump + jpilot-merge
- 2013-02-27: Possible Enhancements to J-Pilot
- 2013-05-01: A Praise for IceWM
- 2014-04-14: Syncing with J-Pilot via Bluetooth
- 2015-03-21: Importing Calendar Data to Google-Calendar
- 2020-03-19: J-Pilot Data on Android Phone: Contacts
- 2020-04-27: SQL Datamodel For J-Pilot
- 2020-04-29: J-Pilot Plugin For SQLite Export
- 2020-06-09: Splitting and anti-merging vCard files
- 2021-03-02: Testing J-Pilot feature-gtk3 branch
- 2022-10-09: Renumbering J-Pilot SQLite Data
- 2022-11-06: Crashing J-Pilot
- 2022-12-04: SQLite Storage for J-Pilot
- 2023-04-08: J-Pilot Usage Statistics
- 2023-05-06: Accessing J-Pilot Data From Mobile And Web
Java
- 2014-01-19: Cisco 2014 Annual Security Report: Java continues to be most vulnerable of all web exploits
- 2019-01-19: java.sql.SQLRecoverableException: IO Error: Connection reset by peer, Authentication lapse
- 2020-12-19: Compiling Java source to binary (native)
JavaScript
- 2018-07-22: Passing HashMap from Java to Java Nashorn
- 2020-05-25: Hosting Static Content with surge.sh
- 2020-05-26: Hosting Static Content with now.sh
- 2020-05-27: Hosting Static Content with netlify.app
- 2021-09-18: Mermaid: A JavaScript Library for Diagrams
- 2021-09-19: StackEdit: A Markdown Editor
- 2021-12-14: URL Count Statistics
- 2022-07-31: Hosting Static Content with Cloudflare
- 2022-08-08: Exploring Cloudflare Workers
- 2023-10-23: Pagefind: Searching in Static Sites
- 2024-06-03: Dark Mode on Website
Linux
- 2013-01-11: OpenGL Program: Earth with Moon Rotating around Sun
- 2013-01-29: inotify-tools: inotifywait
- 2013-02-12: ext3 vs. ext4
- 2013-02-17: jpilot-dump + jpilot-merge
- 2013-02-24: Dead Keys and Compose Key
- 2013-02-27: Possible Enhancements to J-Pilot
- 2013-03-21: linux-3.8.4: Compile times
- 2013-04-21: Counting to Ten on Linux
- 2013-04-30: linux-3.9: Compile times
- 2013-05-05: Phoronix: NVIDIA vs. Nouveau Drivers On Ubuntu 13.04
- 2013-05-06: John Raff / Dmitry Sandalov: Access Google translate from a terminal
- 2013-05-15: Porting Source to Linux - Valve's Lessons Learned
- 2013-05-16: CUDA without X Window System
- 2013-05-29: How to use TrueType Fonts in xterm or uxterm
- 2013-06-09: Mainframe Rehosting: Cost Reduction, Hardware Sizing, Tools, and Methodology
- 2013-08-25: Copy Directories with Symbolic Links via ssh
- 2013-09-08: Inhibit Annoying Message of the Day in Ubuntu
- 2013-09-12: Dramatic Faster Sorting in Linux Using Nsort
- 2013-09-29: Re-installing Grub when MS Windows Destroyed It
- 2013-10-02: Force rsync Not To Use Timestamps
- 2013-11-30: Working with System V IPC queues
- 2013-12-12: Linux commands: expect and kibitz
- 2013-12-21: What is generally better: 64-bit or 32-bit?
- 2014-01-07: Plotting Power Consumption of my Desktop PC
- 2014-01-10: Working with System V IPC queues in Perl and PHP
- 2014-01-13: Changing euid (effective user ID)
- 2014-01-15: Ignoring Security Certificate Errors in Google Chrome
- 2014-02-09: Scheduling Cron Jobs on Business Days
- 2014-03-23: Enabling Power-Aware Applications on Linux Using Cyrogenic Module
- 2014-04-01: Youtube video to mp3
- 2014-04-14: Syncing with J-Pilot via Bluetooth
- 2014-04-26: Installing Ubuntu 14.04 Server Edition
- 2014-05-15: Patching Faulty EDID Information
- 2014-05-30: Installing Missing Debian Packages for Google Chrome
- 2014-06-01: Setting-Up LUKS/dm-crypt for External USB-Drive
- 2014-07-07: Creating User Account With Empty Password on Linux
- 2014-07-12: HDMI Audio on Intel NUC
- 2014-08-08: Google Chrome Became a Performance Hog
- 2014-09-16: The Cost of Installing wine
- 2014-10-27: Effect of Optimizer in gcc on Intel/AMD and Power8
- 2015-01-17: Setting up SLURM on Multiple Machines
- 2015-03-06: Testing file-size limits
- 2015-10-05: Linux pam and /etc/shells
- 2015-11-07: nginx: 413 Request Entity Too Large - File Upload Issue
- 2016-02-03: Performance Comparison of mmap() versus read() versus fread()
- 2016-05-02: No YouTube Videos on Google Chrome v50
- 2016-09-28: LibreOffice Impress Becoming Very Slow After Copy/Paste
- 2016-10-04: Setting Keyboard-Language in IceWM
- 2016-10-18: Running bacman in parallel
- 2016-10-26: Bluetooth Headphones in Arch Linux
- 2016-12-14: slurmd confused of pid-file
- 2017-01-30: Downgrading PulseAudio with downgrade.sh
- 2017-02-13: Switching from ext4 to btrfs
- 2017-03-15: Make USB Stick Bootable
- 2017-03-20: Wiping Disks
- 2017-04-14: Using Odroid as IP Router
- 2017-04-19: Browsing Linux Kernel Source with Grokbit
- 2018-02-13: Unix sort Issue
- 2018-03-14: Set-Up "Let's Encrypt" for Hiawatha Web-Server
- 2018-04-17: Remote Unlocking of Encrypted Disks
- 2018-05-03: Instant Messaging Client Pidgin and Skype / Lync
- 2018-05-17: Using Scooter Software Beyond Compare
- 2018-06-15: Balking ARM ArchLinux Update
- 2020-01-05: slurmctld showing nodes as 'drain'
- 2020-03-26: Sharing Terminal Screen Using Tmux
- 2020-07-14: Blocking IP addresses with ipset
- 2020-08-29: Configure boot settings in UEFI
- 2021-01-23: dumpe2fs: When was my hard-drive first formatted?
- 2021-02-21: ssh as SOCKS server
- 2021-02-28: Analysis And Usage of SSHGuard
- 2021-03-02: Testing J-Pilot feature-gtk3 branch
- 2021-03-15: Add Disjoint IP Addresses To SSHGuard Blacklist
- 2021-06-05: Using NUC as WLAN Router
- 2021-10-04: Installing IBM COBOL for Linux on Arch Linux
- 2021-10-26: Copy Directories to FTP-Server
- 2022-05-02: Copy Arch Linux to SSD
- 2022-05-06: Multi Tenancy MS-Teams
- 2022-12-10: Updating AUR Package
- 2023-03-30: SQLite3 sqldiff command
- 2023-08-07: cpio command cheat sheet
- 2023-08-13: Installing OpenLiteSpeed on Arch Linux
- 2023-11-29: Linux on Android Devices
- 2024-02-19: Let's Encrypt Certbot Usage with NGINX
- 2024-03-02: Installing IBM COBOL for Linux on Arch Linux #2
- 2024-04-10: Location of core files in Arch Linux
- 2024-04-13: Installing and Configuring the H2O Web-Server
- 2024-08-25: Replacing SSHGuard with 20 Lines of Perl Code
- 2024-10-26: UNIX Process Substitution
- 2024-11-19: snd_hda_intel: no codecs initialized
NVidia
- 2013-03-05: GTC 2012 Keynote by Jen-Hsun Huang (Part 03): The NVIDIA Kepler GPU Architecture
- 2013-05-05: Phoronix: NVIDIA vs. Nouveau Drivers On Ubuntu 13.04
- 2013-05-15: Porting Source to Linux - Valve's Lessons Learned
- 2013-09-06: Newer GPUGRID Tasks Keep GPU Really Hot
- 2013-09-09: Proportion of Papers on hgpu.org
- 2014-05-03: Announcement: Workshop Programming of Heterogeneous Systems in Physics, July 2014
- 2014-07-16: Day 1, Workshop Programming of Heterogeneous Systems in Physics
- 2014-07-17: Day 2, Workshop Programming of Heterogeneous Systems in Physics
Organization
- 2013-05-21: The New Digital Company: Distributed, Online, and Transparent
- 2013-10-18: What Makes a Good Programming Environment?
- 2014-06-28: 7-Day Week, 6-Day Week, 5-Day Week, Soviet Calendar
PHP
- 2013-07-24: HipHop Virtual Machine can run WordPress
- 2013-09-18: Graphs with JpGraph by Asial
- 2014-01-10: Working with System V IPC queues in Perl and PHP
- 2014-07-10: No Perl and PHP on Mainframe from IBM
- 2021-03-29: PHP extension seg-faulting
- 2021-09-02: Considerations Regarding Simplifications of Saaze
- 2021-10-18: Profiling PHP Programs
- 2021-10-31: Simplified Saaze
- 2022-01-23: IMS/DC MFS To PHP
- 2022-03-21: PHPMagazin On Simplified Saaze
- 2022-04-05: Adding Categories to Saaze
- 2023-03-11: Simple Web-Clipboard
- 2023-03-25: Performance Comparison C vs. Java vs. Javascript vs. PHP vs. Python vs. Cobol vs. Dart
- 2023-05-06: Accessing J-Pilot Data From Mobile And Web
- 2023-07-09: Profiling PHP Programs #2
- 2023-08-27: Mixing PHP into Markdown
- 2023-10-29: Simplified Saaze Monitored with PHPSPY
- 2024-02-11: Considerations on a Newsletter Program
- 2024-02-24: MD4C PHP Extension
- 2024-02-27: Parallelizing the Output of Simplified Saaze
- 2024-10-01: XHProf with NGINX
Perl
- 2014-01-10: Working with System V IPC queues in Perl and PHP
- 2014-02-09: Scheduling Cron Jobs on Business Days
- 2014-02-24: Calculating number of seats in parliament using d'Hondt's method
- 2014-07-10: No Perl and PHP on Mainframe from IBM
- 2015-01-05: Migrating from delicious.com to WordPress
- 2017-06-26: Text Analysis using Concordance
- 2018-01-30: Rewriting Perl to plain C
- 2018-02-06: Parallelization and CPU Cache Overflow
- 2018-02-22: Unix Command comm: Compare Two Files
- 2020-06-09: Splitting and anti-merging vCard files
- 2021-06-21: WordPress.com Bulk Update
- 2021-12-14: URL Count Statistics
- 2022-04-05: Adding Categories to Saaze
- 2022-04-09: Table of Contents in Saaze
- 2022-11-12: Line Length Distribution in Files
- 2023-03-25: Performance Comparison C vs. Java vs. Javascript vs. PHP vs. Python vs. Cobol vs. Dart
- 2023-04-22: Website Checking with Ahrefs
- 2023-10-02: Converting Journal Article from LaTeX to Markdown
- 2023-12-03: Converting Bachelor Thesis from LaTeX to Markdown
- 2024-08-25: Replacing SSHGuard with 20 Lines of Perl Code
- 2024-11-03: Hosting Static Content with pico.sh
- 2024-11-10: Reading Two Files Simultaneously With Perl
Python
VBA
- 2016-05-23: Convert ASCII to Hex and vice versa in C and Excel VBA
- 2016-06-05: Exporting Exchange/Outlook GAL to vCard
- 2021-10-29: Saving Attachments in Outlook via VBA
WordPress
- 2008-01-02: Erster Eindruck von WordPress
- 2008-01-02: Hello world!
- 2013-01-06: Infrastructure Costs for WordPress
- 2013-05-21: The New Digital Company: Distributed, Online, and Transparent
- 2013-05-31: WordPress Statistics of this Blog: Top Views by Country
- 2013-06-04: WordPress March 2009 Wrap-Up
- 2013-06-21: WordPress Market Share 2011
- 2013-07-24: HipHop Virtual Machine can run WordPress
- 2013-08-13: WordPress.com by the Numbers: The July 2013 Hot List
- 2013-08-31: Using WordPress for 5 Years Now
- 2013-09-07: WordPress.com News and Numbers: The August 2013 Hot List
- 2013-09-22: WordPress/Automattic: Monthly Unique Visits and Employees
- 2013-09-23: dotScale 2013 MySQL Talk
- 2013-10-29: Statistics of this Blog: 1.000 Views, 60 Countries, 10 Likes
- 2013-10-30: Good, Fast, Cheap: You Can Only Pick Two!
- 2014-02-11: Statistics of this Blog: 2.600 Views, 78 Countries, 20 Comments
- 2014-05-07: Statistics of this Blog: Crossed 5.000 Views
- 2014-09-10: Statistics of this Blog: Crossed 10.000 Views
- 2014-10-24: WordPress/Automattic: Monthly Unique Visits and Employees, Part 2
- 2014-12-27: Statistics of this Blog: Crossed 15.000 Views
- 2014-12-30: 2014 in review - report generated by WordPress
- 2015-01-05: Migrating from delicious.com to WordPress
- 2015-02-13: WordPress.com News and Numbers: Year 2014 in Review
- 2015-04-18: Classical editor in WordPress.com
- 2015-04-23: Statistics of this Blog: Crossed 20.000 Views
- 2015-12-29: 2015 in review – report generated by WordPress
- 2016-01-24: Statistics of this Blog: Crossed 30.000 Views
- 2016-06-13: Considerations when converting from WordPress.com to Hugo
- 2016-11-12: Statistics of this Blog: Crossed 40.000 Views
- 2017-04-24: Converting WordPress Export File to Hugo
- 2017-05-18: Statistics of this Blog: Crossed 50.000 Views
- 2017-11-21: Statistics of this Blog: Crossed 60.000 Views
- 2018-07-15: Statistics of this Blog: Crossed 70.000 Views
- 2018-12-31: Statistics of this Blog: Crossed 80.000 Views
- 2019-03-27: WordPress.com down for a few minutes
- 2019-07-01: Statistics of this Blog: Crossed 90.000 Views
- 2020-02-12: Statistics of this Blog: Crossed 100.000 Views
- 2020-10-07: Statistics of this Blog: Crossed 110.000 Views
- 2021-05-18: Moved Blog To eklausmeier.goip.de
- 2021-06-21: WordPress.com Bulk Update
X11
- 2013-05-01: A Praise for IceWM
- 2014-04-26: Installing Ubuntu 14.04 Server Edition
- 2014-05-15: Patching Faulty EDID Information
- 2014-05-30: Installing Missing Debian Packages for Google Chrome
- 2016-10-04: Setting Keyboard-Language in IceWM
astronomy
- 2013-04-27: Brian Koberlein on Google+: Astronomy Blog
- 2013-04-27: Max Planck Institut für Astrophysik: The Millennium Simulation Project
- 2013-06-16: Kepler’s Hypothesis explained by Brian Koberlein
- 2013-09-13: The Attraction of Curves – Brian Koberlein
- 2013-10-01: Photographs from Space by Karen L. Nyberg
- 2013-10-25: Why Brian Koberlein Is In The Dark Matter Camp
- 2013-12-03: Astronomy at Home – Brian Koberlein
- 2015-06-12: Photograph from Space
- 2015-07-26: International Space Station after undocking of STS-132
- 2015-10-21: Photographs from Apollo Mission to Moon
- 2017-01-12: Victoria Kaspi Public Lecture: The Cosmic Gift of Neutron Stars
- 2023-08-03: A Parsec-Scale Galactic 3D Dust Map out to 1.25 kpc from the Sun
- 2023-12-01: Our Neighborhood in the Milky Way in 3D
- 2024-10-08: On The Stability Of The Solar System
aviation
- 2014-02-16: [STORY] Lufthansa Airbus A380 Landing in San Francisco
- 2021-09-12: Air France Air Tracker
- 2022-05-08: Lufthansa Air Tracker
blogging
- 2013-08-21: Average Size of Web Pages plus Prediction
- 2020-05-25: Hosting Static Content with surge.sh
- 2020-05-26: Hosting Static Content with now.sh
- 2020-05-27: Hosting Static Content with netlify.app
- 2021-03-07: Lesser Known Static Site Generators
- 2021-05-18: Moved Blog To eklausmeier.goip.de
- 2021-05-23: Speed-Tests With Pingdom.com
- 2021-05-30: Generate RSS from Markdown
- 2021-06-13: Ampersands in Markdown URLs
- 2021-08-26: Bandwidth Diet for This Blog
- 2021-08-31: HTML Anchor Highlighting
- 2021-09-02: Considerations Regarding Simplifications of Saaze
- 2021-10-19: Making Static Site Generator 30-Times Faster
- 2021-10-31: Simplified Saaze
- 2021-11-12: Making Static Site Generator 500-Times Faster
- 2021-11-13: Performance Comparison Saaze vs. Hugo vs. Zola
- 2021-11-16: Accelerating Page Load Times by Reducing Requests
- 2022-01-11: Statistics of this Blog in 2021
- 2022-01-17: Generate RSS from HTML
- 2022-03-26: Accelerating Page Load Times by Reducing Requests, Part #2
- 2022-04-05: Adding Categories to Saaze
- 2022-04-09: Table of Contents in Saaze
- 2022-04-22: Galleries in Saaze
- 2022-04-23: Mindmaps in Saaze
- 2022-06-27: Example Theme for Simplified Saaze: J-Pilot
- 2022-07-09: Example Theme for Simplified Saaze: Koehntopp
- 2022-07-31: Hosting Static Content with Cloudflare
- 2022-08-04: Simplified Saaze now part of Jamstack listing
- 2022-08-22: Analysis of Website Performance
- 2022-09-05: Example Theme for Simplified Saaze: nukeKlaus
- 2022-09-18: Statistics of this Blog: Crossed 120.000 Views
- 2022-12-27: Analysis of Website Performance #2
- 2023-01-03: Installing Simplified Saaze on Windows 10
- 2023-01-21: Example Theme for Simplified Saaze: Mobility
- 2023-01-24: Analysis of Performance of Demo Open E-Mobility Site
- 2023-01-31: Installing Simplified Saaze on Windows 10 #2
- 2023-04-22: Website Checking with Ahrefs
- 2023-04-29: Embedding Content in Simplified Saaze
- 2023-05-19: Member of 512KB club
- 2023-05-31: Comparing Self-Hosting vs. Hashnode vs. Bearblog
- 2023-06-05: Example Theme for Simplified Saaze: Vonhoff
- 2023-06-23: Example Theme for Simplified Saaze: Paternoster
- 2023-06-27: Performance Remarks on PublicoMag Website
- 2023-07-05: Hosting Static Content with Neocities
- 2023-08-11: Blog Anniversary: 500 posts
- 2023-08-27: Mixing PHP into Markdown
- 2023-09-27: Example Theme for Simplified Saaze: Panorama
- 2023-09-28: Performance Comparison of Ristorante Panorama Website: WordPress vs. Simplified Saaze
- 2023-10-02: Converting Journal Article from LaTeX to Markdown
- 2023-10-23: Pagefind: Searching in Static Sites
- 2023-10-29: Simplified Saaze Monitored with PHPSPY
- 2023-12-03: Converting Bachelor Thesis from LaTeX to Markdown
- 2024-01-02: Example Theme for Simplified Saaze: Lemire
- 2024-01-14: Performance Comparison of Lemire Website: WordPress vs. Simplified Saaze
- 2024-01-20: Member of 250KB club
- 2024-02-11: Considerations on a Newsletter Program
- 2024-03-31: CSS Naked Day
- 2024-05-13: Example Theme for Simplified Saaze: Wendt
- 2024-05-14: Performance Comparison of Wendt Website: WordPress vs. Simplified Saaze
- 2024-05-16: Member of 1MB club
- 2024-07-14: Hosting Static Content with GitLab
- 2024-07-16: Hosting Static Content with GitHub
- 2024-08-14: Slashdot Effect on a Single Page
- 2024-10-13: Hosting Static Content with DigitalOcean
- 2024-10-30: Testing Static HTML Files with htmltest
- 2024-11-03: Hosting Static Content with pico.sh
- 2024-12-08: Converting Myra West's vlog to blog
- 2024-12-10: Example Theme for Simplified Saaze: Myra West
- 2024-05-19: Blogroll
- 2023-10-20: Privacy Policy
bugs
- 2013-08-31: Saving URLs in del.icio.us Still Troublesome
- 2014-01-17: Youtube 500 Internal Server Error
- 2014-05-15: Patching Faulty EDID Information
- 2014-06-19: Facebook Was Down on 19-Jun-2014
- 2014-08-08: Google Chrome Became a Performance Hog
- 2016-05-02: No YouTube Videos on Google Chrome v50
- 2017-05-11: Youtube 500 Internal Server Error
- 2019-03-27: WordPress.com down for a few minutes
- 2019-06-29: Google Chrome in Android Cannot Clear Cookies
- 2020-05-01: youtube-dl HTTP 403 error
- 2021-06-13: Ampersands in Markdown URLs
- 2021-06-27: Deletion Troublesome in Hashnode.com
- 2021-06-29: Brave Browser SIGSEGV Crash
- 2021-07-24: Hashnode Markdown Bulk Import Is Troublesome
- 2021-09-01: YouTube: Something Went Wrong
- 2022-06-14: eklausmeier.goip.de down
- 2022-07-30: npm error: must provide string spec
- 2022-08-07: Twitter: Infinite Loop on Logout
- 2022-11-06: Crashing J-Pilot
- 2023-05-15: Ahrefs: Infinite Loop on Login
- 2023-11-02: Cloudflare Dashboard Down
- 2024-05-29: IGYRC5108-U: IBM Cobol Compiler Terminating
classic
- 2021-01-23: Music from Max Bruch
- 2021-04-27: Music from Edward McDowell
- 2021-05-18: Music from Joachim Raff
- 2021-05-23: Music from Francis Poulenc
- 2021-08-07: Music played by Eliska Lenhartova
- 2021-08-08: Music from Rodrigo Riera
- 2021-08-09: Music played by Kristina Varlid
- 2021-10-16: Music from Heitor Villa-Lobos
- 2021-12-04: Music from Viktor Kosenko
- 2021-12-18: Music from Moritz Moszkowski
- 2022-02-05: Music from Alexander Scriabin
- 2022-02-20: Music from Camille Saint-Saens
- 2022-02-26: Music from Aram Khachaturian
- 2022-02-27: Music from Johannes Brahms
- 2022-04-10: Music from Anton Reicha
- 2022-07-23: Music from Felix Mendelssohn - orchestra
- 2022-07-24: Music from Felix Mendelssohn - duos, trios, quartets
- 2022-09-26: Music from Philip Glass
- 2022-11-05: Music from Domenico Scarlatti
- 2022-12-03: Music from Eduard Franck
- 2022-12-19: Music from Ferdinand Ries
- 2023-01-13: Music from Friedrich Kuhlau
- 2023-01-16: Music from Adolf Fredrik Lindblad
- 2023-02-26: Music from Norbert Burgmüller
- 2023-02-27: Music from Ignacy Feliks Dobrzynski
- 2023-03-04: Music from Wolfgang Amadeus Mozart
- 2023-03-26: Music from Henryk Wieniawski
- 2023-04-10: Music from Sergei Rachmaninoff
- 2023-04-14: Music played by Maria Zhirnykh
- 2023-04-17: Music played by Guitar Duo SoloDuo
- 2023-05-06: Music from Karol Lipinski
- 2023-05-13: Music from Reinhold Glier
- 2023-05-18: Music from Sergei Bortkiewicz
- 2023-07-10: Music from Antonin Dvorak
- 2023-08-10: Music from August Södermann
- 2024-01-12: Music from Ricardo Castro
- 2024-01-26: Cello Concerts
- 2024-03-04: Music from Henri Vieuxtemps
- 2024-04-16: Music from Franz Krommer
- 2024-04-19: Music from Mily Balakirev
- 2024-05-28: Music from César Franck
- 2024-09-29: Music from Viktor Novák
- 2024-10-02: Music from Henryk Pachulski
- 2024-10-03: Music from Georgy Sviridov
college
- 2013-01-09: Dean Kamen at Bates College Commencement 2007
- 2013-11-02: Malcolm Gladwell: Don't go to Harvard, go to the Lousy Schools!
- 2015-07-12: Visiting GSI Helmholtz Centre in Darmstadt
- 2023-01-29: Price's Law
cooling
- 2013-01-08: Computer Cooling
- 2013-09-06: Newer GPUGRID Tasks Keep GPU Really Hot
- 2015-07-23: PC overheating
database
- 2013-09-23: dotScale 2013 MySQL Talk
- 2019-01-11: Web Interface to Oracle Database
- 2019-01-19: java.sql.SQLRecoverableException: IO Error: Connection reset by peer, Authentication lapse
- 2019-08-02: Oracle Deadlock When Using Bitmap Index
- 2020-04-27: SQL Datamodel For J-Pilot
- 2022-10-09: Renumbering J-Pilot SQLite Data
economy
- 2013-09-06: China Built 600 Dams per Year Since 1950
- 2013-09-08: India is now the third largest Smartphone market in the world - Android Authority
- 2013-10-04: NASA Shutdown due to USA Government Shutdown
- 2013-11-27: How Academia Resembles a Drug Gang
- 2014-01-02: Effort Estimation Using Learning Curves
- 2014-06-28: 7-Day Week, 6-Day Week, 5-Day Week, Soviet Calendar
- 2023-01-29: Price's Law
gallery
- 2008-01-02: Blog Header Images
- 2011-05-06: Wolfsburg
- 2012-07-24: Porto
- 2012-07-27: Lisbon
- 2020-09-19: Lyon
- 2021-09-26: Montpellier
- 2022-05-21: Krakow
- 2023-07-02: Tiger Cat in a Box
- 2023-09-17: Montreal
- 2024-07-22: Idstein
- 2024-09-22: Toulouse
guitar
- 2021-08-07: Music played by Eliska Lenhartova
- 2021-08-08: Music from Rodrigo Riera
- 2021-08-09: Music played by Kristina Varlid
- 2021-08-18: Music played by Yelena Nikoghosyan
- 2021-09-26: Music from Agustin Barrios
- 2021-10-16: Music from Heitor Villa-Lobos
- 2022-05-03: Music from Mauro Giuliani
- 2022-06-18: Music from Paulo Bellinati
- 2022-07-19: Music played by Epta Experience
- 2022-09-06: Music played by Carlos Barbosa-Lima
- 2022-09-10: Music played by Duo Siqueira Lima
- 2022-09-26: Music from Philip Glass
- 2022-10-23: Music played by Nemanja Bogunovic
- 2022-11-20: Music from Antonio Cano and Jose Vinas
- 2023-01-09: Music from Roland Dyens
- 2023-01-22: Music from Jean-Philippe Rameau
- 2023-01-23: Music from Jorge Morel
- 2023-04-09: Music played by Trio Elogio
- 2023-04-14: Music played by Maria Zhirnykh
- 2023-04-17: Music played by Guitar Duo SoloDuo
- 2023-05-27: Music from Joaquin Rodrigo
- 2023-07-23: Music played by Guitar Duo Bensa-Cardinot
- 2023-08-06: Music from Mathias Duplessy
- 2023-11-09: Music from Astor Piazzolla
- 2023-12-23: Music from Enrique Granados
- 2024-02-12: Music from Anibal Troilo
- 2024-03-11: Music from Los Indios Tacunau
- 2024-03-16: Music from Julián Plaza
- 2024-07-28: Music played by Beijing Guitar Duo
- 2024-11-01: Music from Regino Sainz de la Maza
hardware
- 2013-09-11: Harddisk Drive Speed in MB/s
- 2013-09-23: dotScale 2013 MySQL Talk
- 2013-10-06: AMD Bulldozer CPU Architecture Overview
- 2013-12-08: Surfing the internet with 100 MBit/s
- 2013-12-09: Wikipedia Infrastructure as of 2013
- 2014-01-07: Plotting Power Consumption of my Desktop PC
- 2014-03-23: Enabling Power-Aware Applications on Linux Using Cyrogenic Module
- 2014-10-21: Review of the OnePlus One Smartphone
- 2014-12-28: Hard-Disk and USB Drive Speed Comparisons
- 2014-12-30: Three Free Invites For the OnePlus One
- 2015-01-22: Two Free Invites for the OnePlus One
- 2015-03-20: Two Free Invites for the OnePlus One, #2
- 2015-04-05: Two Free Invites for the OnePlus One, #3
- 2015-04-09: Two Free Invites for the OnePlus One, #4
- 2015-04-17: Four Free Invites for the OnePlus One, #5
- 2015-05-25: Hard-Disk and SSD Speed Comparisons
- 2015-07-23: PC overheating
- 2015-08-09: Output of lstopo from hwloc
- 2015-11-03: Small Scale Computing
- 2016-07-27: SSD Speed on Dell XPS 13 9350
- 2016-10-11: Interior of Dell XPS-13 and Acer Aspire
- 2016-10-26: Bluetooth Headphones in Arch Linux
- 2016-11-22: Operation Costs Measured in CPU Clock Cycles
- 2017-06-12: HP ePrint Obsolescense
- 2017-12-09: Filippo Mantovani: ARM for HPC
- 2018-02-06: Parallelization and CPU Cache Overflow
- 2020-07-07: ASRock DeskMini A300M with AMD Ryzen 3400G
- 2020-08-09: SSD Speed on Dell XPS 13 9350 with Samsung EVO 970 Plus
- 2022-04-26: Various Quotes from Kristian Köhntopp
- 2022-05-03: Upgrade AMD Bulldozer to Cezanne
- 2022-05-26: Upgrading OnePlus Five to Oppo Reno4
- 2022-08-06: Nima Badizadegan on Cloud Computing
- 2022-09-11: Electricity Measurement with Shelly 3EM
- 2023-06-30: Data Centers in Africa
- 2023-08-28: Crucial 4TB SSD in Asrock A300M
- 2023-10-30: David Heinemeier Hansson on Cloud Computing
- 2024-01-04: Aus allen Wolken gefallen: Cloud-Repatriierung, Rückzug aus der Cloud
- 2024-11-25: Upgrading Oppo Reno4 to Xiaomi 14T Pro
- 2023-07-02: Uses
history
humor
mainframe
- 2013-06-09: Mainframe Rehosting: Cost Reduction, Hardware Sizing, Tools, and Methodology
- 2013-06-22: Memory Limitations with IBM Enterprise COBOL Compiler
- 2013-08-15: SyncSort Sort is Not Stable
- 2014-07-10: No Perl and PHP on Mainframe from IBM
- 2022-01-23: IMS/DC MFS To PHP
- 2022-11-13: Fixed Block Files
mathematics
- 2011-08-14: Mainframe Rehosting
- 2013-01-07: Number of Combinations for German Tax Id
- 2013-04-30: 0x5f3759df - calculating inverse square root
- 2013-06-01: Vasily Volkov (UC Berkeley): Unrolling parallel loops
- 2013-07-27: SUNDIALS (SUite of Nonlinear and DIfferential/ALgebraic equation Solvers)
- 2013-08-11: Design Notes on System for the Analysis of Order- and Stepsize Changes for Cyclic Composite Multistep Methods
- 2013-08-21: Average Size of Web Pages plus Prediction
- 2013-09-13: Torricelli's Trumpet: Infinite Surface Area but Finite Volume
- 2013-09-16: Line Integral of a Vector Field
- 2013-09-27: Gil Kalai on Zhang's Breakthrough in Number Theory
- 2013-09-30: Electronic Mathematical Journals
- 2014-01-02: Effort Estimation Using Learning Curves
- 2014-05-10: Simple Exercises for a C Programming Language Course
- 2014-07-16: Day 1, Workshop Programming of Heterogeneous Systems in Physics
- 2014-07-17: Day 2, Workshop Programming of Heterogeneous Systems in Physics
- 2015-02-07: Announcement: 11th International Conference on Parallel Programming and Applied Mathematics
- 2015-03-15: On Differential Forms
- 2015-06-13: Methods of Proof — Diagonalization
- 2016-10-08: Why does deep and cheap learning work so well?
- 2017-06-05: Five-Value Theorem of Nevanlinna
- 2017-11-30: Optimal Product Portfolio
- 2020-06-30: Reply to: Neural Network Back-Propagation Revisited with Ordinary Differential Equations
- 2020-10-15: Online Dial-A-Ride
- 2021-02-09: Poisson Log-Normal Distributed Random Numbers
- 2021-07-25: Diagonal of Squared Jacobian
- 2023-01-29: Price's Law
- 2023-06-06: Theorem of Stein and Rosenberg
- 2023-06-07: Neural Network Training using Stiff ODE Solvers
- 2023-07-01: Steve Jobs on Bicycles
- 2023-08-03: A Parsec-Scale Galactic 3D Dust Map out to 1.25 kpc from the Sun
- 2024-01-23: Matrixpolynome
- 2024-01-30: Das äußere Produkt und Determinanten
- 2024-01-31: Elementarsymmetrische Polynome
- 2024-02-03: Hermitesche, unitäre und normale Matrizen
- 2024-02-04: Die Spur einer Matrix
- 2024-02-05: Stetigkeit der Eigenwerte in Abhängigkeit der Matrixkomponenten
- 2024-02-06: Holomorphe Matrixfunktionen
- 2024-02-07: Differentiation von Matrizen und Determinanten
- 2024-02-08: Taylorformel für Vektorfunktionen
- 2024-02-09: Die Formel von Faà di Bruno
- 2024-02-10: Stabilität und Polynome
- 2024-06-09: Projektionsmatrix eines Raumes
- 2024-06-10: Lösung linearer Gleichungssysteme
- 2024-06-11: Konvergenzresultate für feste Schrittweiten
- 2024-06-17: Divergenz der Korrektoriteration: Theorie und Experimente
- 2024-06-18: Stabilitätsfunktionale und Semistabilitätsfunktionale
- 2024-07-01: Das Fehlerverhalten zusammengesetzer linearer Mehrschrittformeln
- 2024-08-13: Recursive Generation of Runge-Kutta Formulas
- 2024-09-03: Direct st-connectivity with few paths is in quantum logspace
- 2024-10-08: On The Stability Of The Solar System
network
- 2013-03-05: Fon and Deutsche Telekom Partner Together in Germany
- 2013-06-14: Cisco Cablemodem Signal to Noise Ratio
- 2013-06-15: Positive Erfahrungen mit Unitymedia
- 2013-08-25: Copy Directories with Symbolic Links via ssh
- 2013-10-03: Patrick Pichette on Google Fiber
- 2013-12-08: Surfing the internet with 100 MBit/s
- 2016-12-31: Cablesurf Channel Statistics
- 2017-04-14: Using Odroid as IP Router
- 2018-03-03: Towards web-based delta synchronization for cloud storage systems
- 2018-10-06: Blocking Network Attackers
- 2019-07-06: Updating IP Address in Dynu
- 2020-02-29: Aggressive Vodafone Router
- 2020-03-04: Surfing the internet with 1 GBit/s
- 2020-06-02: Automated Rebooting of Auerswald Communication System
- 2020-07-14: Blocking IP addresses with ipset
- 2021-01-16: Unitymedia und SIP VoIP
- 2021-02-21: ssh as SOCKS server
- 2021-02-28: Analysis And Usage of SSHGuard
- 2021-03-15: Add Disjoint IP Addresses To SSHGuard Blacklist
- 2021-06-05: Using NUC as WLAN Router
- 2022-06-14: eklausmeier.goip.de down
- 2022-06-16: Breaking Vodafone Router
- 2024-01-08: Vodafone Internet Outage
- 2024-08-25: Replacing SSHGuard with 20 Lines of Perl Code
- 2024-10-14: Vodafone Internet Outage #2
orchestra
- 2021-01-23: Music from Max Bruch
- 2021-04-27: Music from Edward McDowell
- 2021-05-18: Music from Joachim Raff
- 2021-05-23: Music from Francis Poulenc
- 2022-07-23: Music from Felix Mendelssohn - orchestra
performance
- 2013-09-12: Dramatic Faster Sorting in Linux Using Nsort
- 2013-12-30: Performance of Dalvik versus native C compilation
- 2015-05-14: Speeding-Up Software Builds: Parallelizing Make and Compiler Cache
- 2016-02-03: Performance Comparison of mmap() versus read() versus fread()
- 2021-05-23: Speed-Tests With Pingdom.com
- 2021-07-13: Performance Comparison C vs. Java vs. Javascript vs. LuaJIT vs. PyPy vs. PHP vs. Python vs. Perl
- 2021-08-26: Bandwidth Diet for This Blog
- 2021-10-19: Making Static Site Generator 30-Times Faster
- 2021-11-12: Making Static Site Generator 500-Times Faster
- 2021-11-13: Performance Comparison Saaze vs. Hugo vs. Zola
- 2021-11-16: Accelerating Page Load Times by Reducing Requests
- 2022-03-26: Accelerating Page Load Times by Reducing Requests, Part #2
- 2022-07-11: Josep Stuhli On Scaling to 20 Million Users
- 2022-08-22: Analysis of Website Performance
- 2022-12-27: Analysis of Website Performance #2
- 2023-01-24: Analysis of Performance of Demo Open E-Mobility Site
- 2023-03-25: Performance Comparison C vs. Java vs. Javascript vs. PHP vs. Python vs. Cobol vs. Dart
- 2023-06-27: Performance Remarks on PublicoMag Website
- 2023-09-28: Performance Comparison of Ristorante Panorama Website: WordPress vs. Simplified Saaze
- 2024-01-14: Performance Comparison of Lemire Website: WordPress vs. Simplified Saaze
- 2024-05-14: Performance Comparison of Wendt Website: WordPress vs. Simplified Saaze
personal
- 2014-08-27: Turning 50 - Now What?
- 2017-01-01: Arnold Heinrich Klausmeier
- 2023-01-07: Harald Herminghaus
- 2024-06-04: Turning 60 - Now What?
- 2008-01-02: About
piano
- 2021-04-27: Music from Edward McDowell
- 2021-08-30: Music from Ernesto Nazareth
- 2022-02-06: Music from Mel Bonis
- 2022-07-25: Music from Felix Mendelssohn - piano
- 2022-10-03: Music from Robert Schumann
- 2023-02-25: Music from Louise Farrenc
- 2023-05-15: Music from Felix Blumenfeld
- 2023-05-18: Music from Sergei Bortkiewicz
- 2023-06-02: Music from Adolf von Henselt
- 2023-06-11: Music from Thomas Tellefsen
- 2023-07-02: Music from Charles-Valentin Alkan
- 2023-10-25: Music from Charles-Marie Widor
- 2024-03-25: Music played by Patil Zakarian
- 2024-07-08: Music played by Margarita Glebov
- 2024-10-22: Music from Ernesto Lecuona
pop
- 2021-08-18: Music played by Yelena Nikoghosyan
- 2023-07-17: Music from Alfredo Zitarrosa
- 2023-09-17: French Pop Music
- 2023-10-22: Music from Eduardo Falu
programming
- 2013-01-07: Number of Combinations for German Tax Id
- 2013-01-11: OpenGL Program: Earth with Moon Rotating around Sun
- 2013-04-21: Counting to Ten on Linux
- 2013-06-21: Generators are now in PHP 5.5
- 2013-06-29: GNU C: Extensions to the C Language Family
- 2013-06-29: Hash functions: An empirical comparison -- article by Peter Kankowski
- 2013-06-30: Hashing Just Random Numbers
- 2013-06-30: Very simple SHA1 test program written in C
- 2013-07-24: HipHop Virtual Machine can run WordPress
- 2013-08-15: SyncSort Sort is Not Stable
- 2013-09-12: Dramatic Faster Sorting in Linux Using Nsort
- 2013-09-18: Graphs with JpGraph by Asial
- 2013-09-21: Georg Hager's Blog: Intel vs. GCC for the OpenMP vector triad: Barrier shootout!
- 2013-10-13: JavaScript grid editor: I want to be Excel
- 2013-10-18: What Makes a Good Programming Environment?
- 2013-10-27: Programming in Excel VBA Compared To LibreOffice (OpenOffice) Calc
- 2013-10-30: Good, Fast, Cheap: You Can Only Pick Two!
- 2013-11-30: Working with System V IPC queues
- 2013-12-01: Output from deviceQuery for NVidia GTX 560
- 2013-12-12: Linux commands: expect and kibitz
- 2014-01-02: Effort Estimation Using Learning Curves
- 2014-01-10: Working with System V IPC queues in Perl and PHP
- 2014-01-13: Changing euid (effective user ID)
- 2014-02-09: Scheduling Cron Jobs on Business Days
- 2014-02-24: Calculating number of seats in parliament using d'Hondt's method
- 2014-05-01: Defeating Annoying Timeout in OpenShift SSH Access
- 2014-05-03: Announcement: Workshop Programming of Heterogeneous Systems in Physics, July 2014
- 2014-05-10: Simple Exercises for a C Programming Language Course
- 2014-05-15: Patching Faulty EDID Information
- 2014-07-05: Splitting Large Files on Microsoft Windows
- 2014-10-27: Effect of Optimizer in gcc on Intel/AMD and Power8
- 2015-02-07: Announcement: 11th International Conference on Parallel Programming and Applied Mathematics
- 2015-02-12: Downloading Binary Data, for example Boost C++ Library
- 2015-10-27: Working with Windows Junctions in Python
- 2016-02-03: Performance Comparison of mmap() versus read() versus fread()
- 2016-03-23: Slides on OpenMP by Christian Terboven & Dirk Schmidl
- 2016-04-05: Performance Comparison C vs. Lua vs. LuaJIT vs. Java
- 2016-05-23: Convert ASCII to Hex and vice versa in C and Excel VBA
- 2016-05-30: GCC 6.1 Compiler Optimization Level Benchmarks
- 2016-11-22: Operation Costs Measured in CPU Clock Cycles
- 2017-06-26: Text Analysis using Concordance
- 2017-07-17: C Pointer Surprises
- 2018-01-23: Hashing with Iterator in C
- 2018-01-30: Rewriting Perl to plain C
- 2018-02-06: Parallelization and CPU Cache Overflow
- 2018-02-22: Unix Command comm: Compare Two Files
- 2018-03-03: Towards web-based delta synchronization for cloud storage systems
- 2018-05-17: Using Scooter Software Beyond Compare
- 2018-07-22: Passing HashMap from Java to Java Nashorn
- 2019-01-19: java.sql.SQLRecoverableException: IO Error: Connection reset by peer, Authentication lapse
- 2020-05-05: Performance Comparison in Computing Exponential Function
- 2020-05-12: Installing Pallene Compiler
- 2020-05-14: Performance Comparison Pallene vs. Lua 5.1, 5.2, 5.3, 5.4 vs. C
- 2020-06-23: Calling C from Julia
- 2020-12-19: Compiling Java source to binary (native)
- 2021-02-01: Performance comparison Ryzen vs. Intel vs. Bulldozer vs. ARM
- 2021-03-29: PHP extension seg-faulting
- 2021-07-11: Calling MD4C from PHP via FFI
- 2021-07-13: Performance Comparison C vs. Java vs. Javascript vs. LuaJIT vs. PyPy vs. PHP vs. Python vs. Perl
- 2021-08-17: Generating JSON with COBOL
- 2021-08-19: Printing COBOL Section Names
- 2021-10-02: Parallel Mass-File Processing
- 2021-10-03: Compiling GnuCOBOL
- 2021-10-05: Comparing GnuCOBOL to IBM COBOL
- 2021-10-06: PECL's Yaml Way Faster Than Symfony's Yaml
- 2021-10-18: Profiling PHP Programs
- 2021-10-29: Saving Attachments in Outlook via VBA
- 2022-01-23: IMS/DC MFS To PHP
- 2022-02-07: Mass Lowercasing of File Names
- 2022-03-20: Testing COBOLworx gcc-cobol
- 2022-03-21: PHPMagazin On Simplified Saaze
- 2022-06-15: Decompressing ZIP Files on Mainframe
- 2022-11-12: Line Length Distribution in Files
- 2022-11-13: Fixed Block Files
- 2022-11-19: Introduction to Hashing
- 2023-02-12: Testing COBOLworx gcc-cobol #2
- 2023-03-25: Performance Comparison C vs. Java vs. Javascript vs. PHP vs. Python vs. Cobol vs. Dart
- 2023-07-09: Profiling PHP Programs #2
- 2023-11-14: Introduction to mle: Small Terminal Based Editor
- 2024-01-24: Lines of Code of various Open-Source Projects
- 2024-02-24: MD4C PHP Extension
- 2024-02-27: Parallelizing the Output of Simplified Saaze
- 2024-03-18: Is Binary Compiled with Frame Pointer Support?
- 2024-05-03: Converting UNIX Timestamps to Year, Month, Day in COBOL
- 2024-08-25: Replacing SSHGuard with 20 Lines of Perl Code
security
- 2013-06-30: Very simple SHA1 test program written in C
- 2013-11-22: Reblog: Beware sexy honeybots spear phishing on social media
- 2014-01-15: Ignoring Security Certificate Errors in Google Chrome
- 2014-01-19: Cisco 2014 Annual Security Report: Java continues to be most vulnerable of all web exploits
- 2014-06-01: Setting-Up LUKS/dm-crypt for External USB-Drive
- 2014-07-07: Creating User Account With Empty Password on Linux
- 2014-09-14: On Password Security and Cracking
- 2014-11-09: Short Review on Film Citizenfour
- 2015-02-28: Using GnuPG for encryption and decryption
- 2015-10-05: Linux pam and /etc/shells
- 2018-04-17: Remote Unlocking of Encrypted Disks
- 2020-01-21: Chinese Hackers
- 2020-02-29: Aggressive Vodafone Router
- 2020-07-14: Blocking IP addresses with ipset
- 2021-02-21: ssh as SOCKS server
- 2021-02-28: Analysis And Usage of SSHGuard
- 2021-03-15: Add Disjoint IP Addresses To SSHGuard Blacklist
- 2024-03-05: Chinese Hackers #2
- 2024-08-25: Replacing SSHGuard with 20 Lines of Perl Code
sociology
- 2013-01-09: Dean Kamen at Bates College Commencement 2007
- 2013-07-19: Blend "Söhne und Weltmacht" and "Why Nations Fail"
- 2013-08-31: Mark Twain Commentary on the MacBook Air
- 2013-10-18: What Makes a Good Programming Environment?
- 2013-11-02: Malcolm Gladwell: Don't go to Harvard, go to the Lousy Schools!
- 2013-11-27: How Academia Resembles a Drug Gang
- 2014-06-28: 7-Day Week, 6-Day Week, 5-Day Week, Soviet Calendar
- 2015-03-03: Average daily commuting time in Europe and the U.S.
- 2015-03-22: Malcolm Gladwell on the importance of stubbornness
- 2015-03-28: Malcolm Gladwell on the financial crisis
- 2021-12-31: Internet Adoption
- 2023-01-29: Price's Law
- 2023-09-23: Malcolm Gladwell: Meritocracies don't work
statistics
- 2013-08-21: Average Size of Web Pages plus Prediction
- 2014-05-07: Statistics of this Blog: Crossed 5.000 Views
- 2014-09-10: Statistics of this Blog: Crossed 10.000 Views
- 2014-12-27: Statistics of this Blog: Crossed 15.000 Views
- 2014-12-30: 2014 in review - report generated by WordPress
- 2015-02-13: WordPress.com News and Numbers: Year 2014 in Review
- 2015-04-23: Statistics of this Blog: Crossed 20.000 Views
- 2016-01-24: Statistics of this Blog: Crossed 30.000 Views
- 2016-11-12: Statistics of this Blog: Crossed 40.000 Views
- 2017-05-18: Statistics of this Blog: Crossed 50.000 Views
- 2017-11-21: Statistics of this Blog: Crossed 60.000 Views
- 2018-07-15: Statistics of this Blog: Crossed 70.000 Views
- 2018-12-31: Statistics of this Blog: Crossed 80.000 Views
- 2019-07-01: Statistics of this Blog: Crossed 90.000 Views
- 2020-02-12: Statistics of this Blog: Crossed 100.000 Views
- 2020-10-07: Statistics of this Blog: Crossed 110.000 Views
- 2021-12-14: URL Count Statistics
- 2022-01-11: Statistics of this Blog in 2021
- 2022-09-18: Statistics of this Blog: Crossed 120.000 Views
- 2022-12-11: Twitter Boom
tax
- 2013-01-07: Number of Combinations for German Tax Id
- 2014-09-16: The Cost of Installing wine
- 2015-07-22: Lexware Financial Office Pro 2015 does not work with wine
- 2020-06-16: Gunnar Uldall's Tax Tariff
transportation
- 2014-09-20: Advances in Automotive Technology
- 2015-05-27: Commuting to Work with an E-Bike
- 2015-08-16: Urban planning
- 2017-04-05: Exceeding 10.000 km with E-Bike
uncategorized
- 2013-03-08: Download "Sent Mail" from Google Mail via POP3
- 2017-05-29: Embedded Documents in MS Word
web-browsing
- 2013-10-20: Clearing Cookie Junk in Google Chrome Web Browser
- 2013-11-22: Reblog: Beware sexy honeybots spear phishing on social media
- 2014-01-15: Ignoring Security Certificate Errors in Google Chrome
- 2014-04-01: Youtube video to mp3
- 2014-05-01: Defeating Annoying Timeout in OpenShift SSH Access
- 2014-07-01: Microsoft Brought Down No-IP.org With Federal Court Order
- 2015-10-15: Suppressing Advertisement on Web-Pages a.k.a. Ad-Blocking
- 2017-04-19: Browsing Linux Kernel Source with Grokbit
- 2018-03-03: Towards web-based delta synchronization for cloud storage systems
- 2019-05-19: Showing History of Visits in Mozilla Firefox
- 2023-03-11: Simple Web-Clipboard
- 2023-03-14: Streaming Desktop with Audio to the Internet
- 2024-02-25: GitHub RSS Atom Feeds
web-server
- 2013-12-09: Wikipedia Infrastructure as of 2013
- 2015-11-07: nginx: 413 Request Entity Too Large - File Upload Issue
- 2018-03-06: Set-Up Hiawatha Web-Server
- 2018-03-14: Set-Up "Let's Encrypt" for Hiawatha Web-Server
- 2021-05-22: Using GoAccess with Hiawatha Web-Server
- 2021-05-29: Configure Lighttpd With PHP and HTTPS
- 2021-06-03: Matomo with Hiawatha
- 2021-11-30: AWStats and Hiawatha
- 2021-12-13: Filtering Bots and Crawlers from Access.log
- 2021-12-14: URL Count Statistics
- 2022-01-04: HashOver Comment System with Hiawatha
- 2022-03-06: ReverseProxy and UrlToolkit in Hiawatha
- 2023-06-30: Data Centers in Africa
- 2023-08-13: Installing OpenLiteSpeed on Arch Linux
- 2023-08-29: From Hiawatha to NGINX
- 2023-08-30: Performance Comparison gzip vs Brotli
- 2024-02-19: Let's Encrypt Certbot Usage with NGINX
- 2024-04-13: Installing and Configuring the H2O Web-Server
- 2024-10-01: XHProf with NGINX
Author: Elmar Klausmeier