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Collection of all Tables of Contents  (incl. Categorisation and Crossreferences)

🥼Mathematical and Natural Sciences Education

1. 🧮Mathematics Page  [🇩🇪]
   • Brief Introduction
   • Recommendations for students
   • Further Literature
   • ✇ PDF Downloads about Mathematics
   • ➥ Professional Use of Software (e.g. GNU/Linux or T_EX/L^AT_EX) in Sciences and the Technical Domain
   • ➥ Personal Background
2. 💡Physics Page  [🇩🇪]
   • Brief Introduction and Overview
   • SI Units and its new definition on natural constants
   • Prefixes for Units
   • The Greek Alphabet
   • Scientific Notation
   • Recommendations for students
   • Further Literature
   • ✇ PDF Downloads about Physics
   • ➥ Professional Use of Software (e.g. GNU/Linux or T_EX/L^AT_EX) in Sciences and the Technical Domain
   • ➥ Hintergrund des Autors
3. 🔭Astronomy Page  [🇩🇪]
   • Meaning of Astronomy
   • Categories of Astronomy
   • Segmentation of the sky – The 88 Constellations:
     

     	A	B	C	D	E	F	G	H	I	J	K
     1	And	Ant	Aps	Aqr	Aql	Ara	Ari	Aur	Boo	Cae	Cam
     2	Cnc	CVn	CMa	CMi	Cap	Car	Cas	Cen	Cep	Cet	Cha
     3	Cir	Col	Com	CrA	CrB	Crv	Crt	Cru	Cyg	Del	Dor
     4	Dra	Equ	Eri	For	Gem	Gru	Her	Hor	Hya	Hyi	Ind
     5	Lac	Leo	LMi	Lep	Lib	Lup	Lyn	Lyr	Men	Mic	Mon
     6	Mus	Nor	Oct	Oph	Ori	Pav	Peg	Per	Phe	Pic	Psc
     7	PsA	Pup	Pyx	Ret	Sge	Sgr	Sco	Scl	Sct	Ser	Sex
     8	Tau	Tel	TrA	Tri	Tuc	UMa	UMi	Vel	Vir	Vol	Vul

   • Recommendations for students
   • Further Literature
   • ✇ PDF Downloads about Astronomy
   • ➥ Professional Use of Software (e.g. GNU/Linux or T_EX/L^AT_EX) in Sciences and the Technical Domain
   • ➥ Hintergrund des Autors
4. 👨‍🏫Page about Teaching  [🇩🇪]
   • Prior Experience
   • Referendariat
   • Attitude towards Teachingamt
   • Recent problems of education policy
     • • Brainwashing instead of objective discussion about education
     • Competence Orientation
       • Introducing confusion between clear terms to force insane new wordings – like competence competence
     • Variety of Methods
       • Reasonable definition of reasonable in teaching
     • Internal Differentiation
       • Youth Abandonment (Group Dynamics)
     • Students as Experts & Bulimarexia Learning
       • Primary School as model for high schools & lies in relation with Interactive Whiteboards
       • Correlation between Bulimarexia Learning and Motivation
     • Pre-specified Ranking of Ways of Teaching
       • Activity of Students at all Costs - regardless of the adverse consequences
       • Manipulative Ways of Teaching: in the sense of learning poorly defined as lasting change of behaviour
     • Types of schools in the distorting mirror
       • Shocking role reversal of Types of schools
       • Equal but not equal' when talking about public schools – Elite High School and Potemkin integrated comprehensive school
       • Lowering levels of education and devastation of original high school goal
       • ➥ Professional Use of Software (e.g. GNU/Linux or T_EX/L^AT_EX) in Sciences and the Technical Domain
     • Absolute influence of Politicians without keeping standards
       • Elimination of meaningful Quality Control
       • Problems with todays Curricula
       • Corrosive modifications of Curricula:
         Elimination of technically required knowledge about complex numbers &
         Introduction of Stochastics and Physics subjects far beyond highschool level to unnecessarily force didactical reduction
       • Discrepancy between general matriculation standard and required knowledge for beginning ones studies
       • Poorly applied GTR Usage
       • Effectiveness as revealed by  Hattie's Visible Learning (esp. professional competence, teacher-student relationship)
   • Further Literature  (John Hattie, Good Teaching, Brain Research)
5. 👨‍🏫Page about School Development  [🇩🇪]
   • Why again?
   • Boundary Conditions  (School Authorities / Body Maintaining School)
     • School Books
     • School Curricula
     • Legal Provisions for Learning (Breaks: Catch Up / Relaxation?; Schoolwork: Homework / Study Time?)
     • • Heart of Learning and Knowledge
       • Use of Technology for the Benefit of People, not for their Abuse/Harm
       • Artificial Intelligence
     • School Concepts
     • • Digital Learning – Tablet‑Classes
     • Room Setup
     • • Boards
       • Windows
       • Degassing System
       • New Buildings and Needs‑Based Funding
   • Teachers
   • Pupils
   • Parents
   • Problems concerning Addiction
     • Addiction to Prescription Drugs
     • Alcohol
     • Internet‑related Addiction Imbalance
       • Possible Symptoms of Smartphone Addiction
       • Tips for Smartphone Addiction Withdrawal
6. 📙Page about Research & Education  [🇩🇪]
   • Attunement
   • Professional Use of Software (e.g. GNU/Linux or T_EX/L^AT_EX) in Sciences and the Technical Domain
7. 🎓Page about own Research  [🇩🇪]
   • Attunement
   • Photometry – determination  brightness
   • • Fig. 1: Plot of spectral graphs for passbands, CCD efficiency and ISM absorption
     • Fig. 2: Plot of spectral flux of stars and black bodies
     • Fig. 3: CMDs with the isochrones of the Geneva and Padova groups
     • Fig. 4: CMD of spectral type and luminosity class
     • Fig. 5: Schematic CMD of 5 Galatic clusters
     • The Data Reduction
       • ➥ Professional Use of Software (e.g. GNU/Linux or T_EX/L^AT_EX) in Sciences and the Technical Domain
     • Fig. 6: PSF (point-spread-function) and blooming
     • Fig. 7: Photometric comparison of two data sets
     • Eq. 1: Equations about extinction (A) and colour excess (E)
     • Eq. 2: reddening-free parameter Q
     • Eq. 3: Intrinsic colour (B-V)₀
   • Our Galaxis – The Milkyway
   • • Fig. 8: Our Galaxy: schematic anatomy and artist's impression
     • Fig. 9: Observed Milkyway as composit of multiple exposures
   • The Magellanic Clouds – Companions of our Galaxy
   • • Fig. 10: Magellanic Clouds at the Southern Sky
     • Fig. 11: HI distribution of the Magellanic Stream
     • Fig. 12: LMC & SMC in optical light
   • Supergiant Shells – Huge structures poor of gas in the Magellanic Clouds
   • • Fig. 13: High-resolution HI images of the Magellanic Clouds
     • Fig. 14: LMC & SMC in Hα
     • Tab. 1: The Supergiant Shells (SGSs) of the Magellanic Clouds
     • Fig. 15: Positions of the Supergiant Shells or emission regions and OB associations of the LMC
     • Fig. 16: Statistics of diameters of shells in the LMC: clear categories of GSs and SGSs
   • LMC 4:  Photometric studies about the largest of the SGSs (located in the northwest)
   • • Fig. 17: LMC 4 with data set: Hα image or sketch with A-type supergiant stars and star cluster arcs
     • Fig. 18: CMDs of LMC 4 with isochrones
     • Fig. 19: CMDs of two clusters inside LMC 4: HS 343 and KMHK 1000 with fitted isochrones
   • LMC 1:  Photometric studies about the SGS in the Northeast
   • • Fig. 20: Chart and CCD mosaic of the observed central region of LMC 1
     • Fig. 21: CMDs of LMC 1 (fields C and S) with fitted isochrones
     • Fig. 22: CMDs of NE quarter of LMC 1 field C with fitted isochrones
     • Fig. 23: Statistics of the colour excess for the central region of LMC 1
     • Fig. 24: Luminosity and mass function for the central region of LMC 1
   • SMC 1:  Photometric studies of the only SGS of the SMC
   • • Fig. 25: Chart and CCD mosaic of the observed region of the SGS SMC 1
     • Fig. 26: CMDs of the SMC 1 region with isochrones
     • Fig. 27: Statistics of the colour excess for the SMC 1 region
     • Fig. 28: Luminosity and mass function for the entire SMC 1 region
   • Bow-shock model:  Explanation for large-scale star formation
   • • Fig. 29: LMC sketches about the bow-shock model of large-scale star formation
     • Tab. 2: Observed regions with their data and parameters according to the bow-shock model
     • Eq. 4: Expected age after bow-shock trigger szenario
   • Personal Background
   • ... stay tuned ... ;-)

🥋Traditional Taekwon-Do / Martial Art and First Aid

1. 🥋Page about Traditional Taekwon-Do  [🇩🇪]
   • Meaning of Korean term Taekwon-Do
   • Origin of Taekwon-Do
   • Basic schools:  Traditional ⇄ Modern
   • ➥ Grandmaster Kwon, Jae-Hwa
     • ➥ Tabular List of stages in the martial artist's life
     • ➥ The Force of 10000 Newton
   • ➥ Kwon, Jae-Hwa Federation
   • Cornerstones
     • Hyong / Pattern
     • Taeryon / Fight
     • Kyekpa / Breaking Test
     • Cee Soo / Warm Up & Stretching
     • Hosinsul / Self-Defence
     • Ilon / Theory
   • General Points
     • Defence and Attack:  Fight
       • Prevention
     • Breathing and battle cry
     • Graduation
   • Terms – special Korean Vocabulary
     • ① Numbers
     • ② Cornerstones of Taekwon-Do
     • ③ General Terms
     • ④ Commands
     • ⑤ Executing body parts
     • ⑥ Categories of Techniques
     • ⑦ Terms for Direction and other additions
     • ⑧ Stages / attacking zones
     • ⑨ Position of feet
     • ⑩ Blocks
   • Background Information
     • Meaning of Mu Do / Bu Do
     • Spiritual Foundation
       • Taoism
       • Konfuzianism
       • Buddhism
     • The Korean Flag
     • The Korean Script
   • Frequently asked questions and their answers
     • What are the advantages of Taekwon-Do?
     • Who is able to learn Taekwon-Do?
     • What is needed for a first training session?
     • Will children become agressive or violent due to Taekwon‑Do training?
     • What about Taekwon‑Do training from a point of view of sports medicine?
     • What consequences result from recent studies of sports medicine with regard to physical inactivity of adolescents?
     • Is Traditional Taekwon-Do suited for School Courses?
       ☞ Prerequisites, Training Times, Goals, Exercises
   • Further Literature
   • ✇ PDF Downloads about Taekwon-Do
   • Personal Background
2. 👊Page about Kwon, Jae-Hwa Taekwon-Do  [🇩🇪]
   • Grandmaster Kwon, Jae-Hwa
     • Tabular List of stages in the martial artist's life
     • The Force of 10000 Newton
   • Kwon, Jae-Hwa Federation
   • ➥ Further Literature
   • ➥ Relation of the author with TTKD/KJH-TKD
3. 🚑Page about First Aid  [🇩🇪]
   • Importance of First Aid
   • Approach to First Aid
     • Responsive
     • Breathing
     • Without breathing
   • Further Links
   • Personal Background

🛀Relaxation Techniques, Stress, Burnout  (focus on: Autogenic Training)

1. 💺Autogenic Training Page  [🇩🇪]
   • What is AT?
     • School Course
   • Mode of action
   • Organization
   • General Information
   • Structure
   • Further Literature
   • ✇ PDF Downloads about Relaxation Techniques, Stress and Burnout
   • Personal Background
2. 💔Stress Page  [🇩🇪]
   • What is Stress?
     • • Loss of Control
     • Two categories of Stress
     • Types of reaction for being in danger
   • Proceeding against Stress
   • Further Literature
   • • Problems caused by Smartphones
     • Smartphone Assessment
     • List of insane Technology (not limited to Smartphones)
     • Warning in USA of Smartphones
   • ✇ PDF Downloads about Relaxation Techniques, Stress and Burnout
   • Personal Background  (from AT Page)
3. 🔥Burnout Page  [🇩🇪]
   • What is Burnout?
   • Encounter with Burnout Syndrom
   • Course of Burnout
   • Further Literature
   • ✇ PDF Downloads about Relaxation Techniques, Stress and Burnout
   • Personal Background  (from AT Page)
4. 🎒Stress of Students  [🇩🇪]
   • Preliminary Remark
   • Modern Stressors for Students
   • • Child Poverty
   • Burnout and Students
   • Recognizing Students with Burnout
   • Further Links
   • ✇ PDF Downloads about Relaxation Techniques, Stress and Burnout
   • Personal Background  (from AT Page)
5. 🎈Page about Relaxation Techniques  [🇩🇪]
   • List of major Relaxation Techniques
   • Categorisation of Relaxation Techniques
   • Similarities between Relaxation Techniques
   • Reminder of responsibility & Warning of Commercialism
   • Further Literature
   • ✇ PDF Downloads about Relaxation Techniques, Stress and Burnout
   • Personal Background  (from AT Page)

♟️ Chess 

1. ♘Page about Chess  [🇩🇪]
   • What is Chess?
   • Origin and Development of Chess
   • Ranking of Players based on the players' statistics: Elo rating
   • Chess diagrams and coordinates used
     • Chess coordinates
     • Chess diagrams
   • Movement of own pieces and Capturing opposing pieces
   • Sources
     • Weblinks
     • Further reading
   • Personal background

💻Computer:  GNU/Linux incl. Security, T_EX/L^AT_EX, C++ Programming & Games

1. 🐧Page about GNU/Linux  [🇩🇪]
   • Meaning of GNU/Linux
     • GNU
       • Richard M. Stallman
     • Linux
       • Linus Benedict Torvalds
     • Tux
       • Tux Rumours
     • Distribution
     • Zoo of distributions
     • Use cases of Linux
   • Recommended Linux Distributions
     • • Installation Inferno with Xubuntu 19.04 Disco
     • Desktop Environments
       • Derivate
     • PPA: Personal Package Archives
       • vim (most common Unix/Linux editor)
       • LibreOffice (free office suite)
       • SuperTuxKart (very good kart game)
   • ➥ Formerly recommended Linux Distributions
   • ➥ Installation and Configuration Manual for GNU/Linux Systems
   • Recommended Programs
     • Firefox (free web browser)
     • • Firefox 57.0.x⁺ Problems
     • Thunderbird (free E-Mail client)
     • LibreOffice (incl. alternatives)
     • Okular (free PDF Viewer; suited for presentations)
     • eog (Eye of GNOME; simple image viewer)
     • VLC (versatile multimedia player)
     • Ghostscript (gs; interpreter for PostScript) & ps2pdfwr
     • a2ps (converter from ASCII to PostScript)
     • Pandoc (universal document converter)
     • kolourpaint (simple painting program)
     • GIMP (GNU Image Manipulation Program)
     • xv (old image viewer – and fast scan manipulation program)
     • xsane (scanner frontend for SANE API)
     • T_EX Live (scientific typesetting system)
     • ➥ Professional Use of Software (e.g. GNU/Linux or T_EX/L^AT_EX) in Sciences and the Technical Domain
     • Gnuplot (graphing utility)
     • vim (most common Unix/Linux editor)
     • kcalc (graphical scientific calculator; part of KDE)
     • Maxima (extensive CAS system)
     • synaptic (graphical SW package manager)
     • ➥ Game examples (Linux‑specific or multi‑platform)
   • File Conversion Examples
   • ➥ General Points about Security Problems of IT Systems
   • ➥ Remarks about Security Disaster: Meltdown & Spectre  [CPU bugs of Intel, AMD, ARM, ...:  CVE-2017-5715+-5753+-5754]
     • • ➥ General Insecurity of Windows  (and macOS)
     • ➥ AMD Flaws:  Ryzenfall, Masterkey, Chimera, Fallout [Security Breach with prior root authorization:  CVE-2018-8930 to -8936]
     • ➥ Spectre Next Generation:  Spectre NG  [CVE-201?-???? to -????]
       • ➥ NetSpectre
       • ➥ SplitSpectre
       • ➥ Foreshadow/L1TF
       • ➥ Growing Table of Weaknesses due to Spectre & Meltdown
       • • ➥ ZombieMess/MDS table part
       • ➥ ZombieMess/MDS
       • ➥ YAM
       • ➥ MDS in-flight variants
       • ➥ SWAPGS as new Spectre V1 variant
       • ➥ Intel Special: TAA, GPU Bugs, iTLB Multihit, JCC Erratum, ME/CSME, and TPM
       • ➥ Intel New Year Special: Double CPU Vulnerability L1DES & VRS
       • ➥ Load Value Injection (LVI; a Spectre/Meltdown mix)
       • ➥ Thunderspy (Thunderbolt vulnerability and successor of Thunderclap)
     • ➥ Spoiler (Intel problem)
   • ➥ Death of Simultaneous Multi- / Hyper-Threading (SMT/HT)
     • ➥ Translation Lookaside Buffer (TLB) Bleed
     • ➥ PortSmash:  new CPU side-channel vulnerability  [CVE-2018-5407]
   • ➥ Remark about Spying Coprozessors:  Intel CSME & AMD PSP
     • ➥ Intel caused Reverse Engineering Information about Intel's FSP to be taken down
     • ➥ Intel's formerly advertised security feature MPX:  pointless and now abandoned!
     • ➥ POP SS / MOV SS Vulnerability – or Intel's misleading documentation  [CVE‑2018‑8897]
     • ➥ German Staatstrojaner, unlawful entry up to DSGVO – political situation in Germany and the EU
   • ➥ SegmentSmack:  Bug in Linux network domain  [CVE‑2018‑5390]
   • ➥ Holey Beep:  System Beep  [CVE-2018-0492]
   • ➥ Dirty Cow:  Copy-on-Write Linux problem  [CVE-2016-5195]
   • ➥ Shellshock:  Bash security breach  [CVE-2014-6271]
   • ➥ Heartbleed:  OpenSSL security breach  [CVE-2014-0160]
   • ➥ FDIV Bug of Intel Pentium
   • Recommendation for getting acquainted with and finding help for GNU/Linux
   • Personal Background
     • • IT Branch
2. 📀Installation and Configuration Manual for GNU/Linux Systems  [🇩🇪]
   • ➥ Meaning of GNU/Linux
   • ➥ Recommended Linux Distributions
   • ➥ Formerly recommended Linux Distributions
   • Installation and Configuration of Kubuntu and Xubuntu
     • Graphical Installer
     • Reworking
       • Boot Manager grub2
       • Graphical Package Manager synaptic
       • Configuration of KDE
       • Configuration of XFCE
       • Configuration of xterm-s
       • Configuration of graphical scientific calculators: kcalc / galculator
       • Brother Multifunction Devices  DCP-L8410CDW and DCP-7055 Driver  (similar DCP-7030)
         • Installation procedure after recommendation of Brother support (Aug. 2018)
       • Administration of CUPS Printer Queues via Command Line Interface
   • Further administrative tasks under Kubuntu and Xubuntu
     • Usage of USB Sticks
     • Backup and Restore of Partitions via dd
     • Backup and Restore of File Systems via tar
     • Changing UUID and/or LABEL of ext4  (Deleting/Keeping of FSs)
     • Stopping error messages from packet manager
   • ➥ Recommended Programs
   • ➥ Personal Background
     • • ➥ IT Branch
3. 📂Configuration Files for GNU/Linux Systems  [🇩🇪]
   • ➥ Meaning of GNU/Linux
   • ➥ Recommended Linux Distributions
   • ➥ Formerly recommended Linux Distributions
   • ➥ Installation and Configuration of Kubuntu and Xubuntu
   • Configuration Files under Xubuntu
     • grub2 Config:  /boot/grub/grub.cfg
   • ➥ Further administrative tasks under Kubuntu and Xubuntu
   • ➥ Recommended Programs
   • ➥ Personal Background
     • • ➥ IT Branch
4. 🖬Page about older GNU/Linux Versions  [🇩🇪]
   • ➥ Meaning of GNU/Linux
   • ➥ Recommended Linux Distributions
   • Formerly recommended Linux Distributions
     • • Back to the future – or rather Bug Party
       • PPA:  Personal Package Archives
   • ➥ Installation and Configuration Manual of GNU/Linux Systems
   • ➥ Recommended Programs
   • ➥ Personal Background
     • • ➥ IT Branch
5. ⚠️Page about Security Problems with IT  [🇩🇪]
   • ➥ Meaning of GNU/Linux
   • General Terms
   • Remark about Security Disaster:  Meltdown & Spectre  [CPU Bugs von Intel, AMD, ARM, ...:  CVE-2017-5715+-5753+-5754]
     • • General Insecurity of Windows  (and macOS)
     • AMD Flaws:  Ryzenfall, Masterkey, Chimera, Fallout  [Security Breach with prior root authorization:  CVE-2018-8930 to -8936]
     • Spectre Next Generation:  Spectre NG  [CVE-201?-???? to -????]
       • NetSpectre
       • SplitSpectre
       • Foreshadow/L1TF
       • Growing Table of Weaknesses due to Spectre & Meltdown
         • ZombieMess/MDS table part
       • ZombieMess/MDS
       • YAM
       • MDS in-flight variants
       • SWAPGS as new Spectre V1 variant
       • Intel Special: TAA, GPU Bugs, iTLB Multihit, JCC Erratum, ME/CSME, and TPM
       • Intel New Year Special: Double CPU Vulnerability L1DES & VRS
       • Load Value Injection (LVI; a Spectre/Meltdown mix)
       • Thunderspy (Thunderbolt vulnerability and successor of Thunderclap)
     • Spoiler (Intel problem)
   • Death of Simultaneous Multi- / Hyper-Threading (SMT/HT)
     • Translation Lookaside Buffer (TLB) Bleed
     • PortSmash:  new CPU side-channel vulnerability  [CVE-2018-5407]
   • Remark about Spying Coprozessors:  Intel CSME & AMD PSP
     • Intel caused Reverse Engineering Information about Intel's FSP to be taken down
     • Intel's formerly advertised security feature MPX:  pointless and now abandoned!
     • POP SS / MOV SS Vulnerability – or Intel's misleading documentation  [CVE‑2018‑8897]
     • German Staatstrojaner, unlawful entry up to DSGVO – political situation in Germany and the EU
   • SegmentSmack:  Bug in Linux network domain  [CVE‑2018‑5390]
   • Holey Beep:  System Beep  [CVE-2018-0492]
   • Dirty Cow:  Copy-on-Write Linux problem  [CVE-2016-5195]
   • Shellshock:  Bash security breach  [CVE-2014-6271]
   • Heartbleed:  OpenSSL security breach  [CVE-2014-0160]
   • FDIV Bug of Intel Pentium
   • ➥ Personal Background
     • • ➥ IT Branch
6. 📜T_EX/L^AT_EX Page  [🇩🇪]
   • Importance of T_EX, L^AT_EX and the term typesetting/publishing program
     • • T_EX Live
   • A first start ...
   • ... and possible ways of further extending ones knowledge
     • Using Mathematical Formula
     • Usage of ZapfDingbats and MarVoSym font and other font packages
   • Recommendation for getting acquainted with and finding help for T_EX/L^AT_EX
   • Personal Background
     • • Debian advantage due to huge and current Repositories
       • WYSIWYG‑Editors
       • Editor vim
       • Usage for Specialist Publication
   • Professional Use of Software (e.g. GNU/Linux or T_EX/L^AT_EX) in Sciences and the Technical Domain
7. 💾Programming in C++  [🇩🇪]
   • Programming Basis: GNU/Linux and GCC
     • Operating System GNU/Linux as Basis for Programming
     • Generating Binaries with the GNU Compiler Collection GCC
       • Pragramming Language D
       • Possible Rust front‑end
     • Linker of GCC
     • Finding Bugs in the Binary with Debugger GDB
     • Working with Source Code: Editors and IDEs
     • Automatic Creation of Binaries: Makefiles and the Utility make
       • Listing of the current Makefile
       • Explanations about the Usage of Makefiles
       • Screenshot of the help message given by Makefile
   • Introduction to programming languages
     • Historical Development of three Generations
     • C as programming language close to the hardware
       • Norms of the Programming Language C
       • The Main Library glibc
     • Recommendation of Programming Languages
       • Rankings of Programming Languages
       • Software Quality:  App Suite – App – Program – Suite
       • Projects in several Programming Languages
   • Introduction to C++
     • History and Norms of C++
       • Norms of the Programming Language C++
       • Libraries for C++
     • Features and resulting Fields of Use
   • Introduction of an Example Program in C++
     • Source Code
       • ANSI colour codes in C++ (Comment and Definitions)
       • Time Function: Timestamp as std::string in YYYYMMDDHHMMSS Format
       • Algorithm: Step 1
       • Algorithm: Step 2
       • Algorithm: Step 3
     • Explanations about the Source Code
       • Comments
       • main Function
       • Preprocessor
       • Programming Style
       • Blocks of Code
       • Indentation
       • Comment Categories
       • Name Conventions
       • Algorithm: Explanation
       • Tiny Benchmark
       • License and Copyright
       • Escape Sequences for colour codes as well as special characters in C/C++
       • Defining used Namespace in C++
       • Outlook and Retrospect
     • Additions
       • The Binary and how to get info about it
       • The GNU Binary Utilities (binutils)
       • The GNU Core Utilities (coreutils, i.e. general Unix‑commands)
       • Reverse‑Engineering with poke
       • Downloads of Example Program incl. Makefile
   • Further Literatur & Online Sources
     • C++ Programming, general subject
     • Programming Tools, general subject
     • Game Programming with C++
   • Own Experiences and Motivation
     • • Programming a 300 dpi LASER Printer to reach 4k Resolution beginning of the 1990ies
8. 🖪 C++ Code Example of Phase 1 (from former Programming in C++)  [🇩🇪]
   • Makefiles and the Utility make
   • Introduction of an Example Program in C++
     • Source Code
       • ANSI colour codes in C++ (Comment and Definitions)
       • Algorithm: Step 1
       • Algorithm: Step 2
       • Algorithm: Step 3
     • Explanations about the Source Code
       • Comments
       • main Function
       • Preprocessor
       • Programming Style
       • Blocks of Code
       • Indentation
       • Comment Categories
       • Name Conventions
       • Algorithm: Explanation
       • License and Copyright
       • Escape Sequences for colour codes as well as special characters in C/C++
       • Defining used Namespace in C++
       • Outlook and Retrospect
     • Additions
       • The Binary and how to get info about it
       • The GNU Binary Utilities (binutils)
       • Downloads of Example Program incl. Makefile
9. 🕹️Games  [🇬🇧🇩🇪]
   • Categorization for Games
   • Quality Criteria for Games
   • Game examples (GNU/Linux‑specific or multi‑platform)
     • SuperTuxKart (very nice kart game)
     • SuperTux (simple, child‑oriented Jump 'n' Run game)
     • Frozen Bubble (coloured bubble puzzle for all ages)
     • GLtron (nice Tron game)
     • Extreme Tux Racer (high speed arctic racing game)
     • XBlast TNT (nice Bomberman‑clone)
     • Tales of Maj'Eyal (grafical Rogue‑like)
     • Frogatto (nice, old‑school 2D platformer game with a frog)
     • Cube 2: Sauerbraten (free Shooter with solo campaign)
     • Rush Troopers (amazing soldier game for Controller with local Coop Mode)
     • Sector Squad (very interesting Asteroids‑like game for Controller with local Coop Mode)
     • Not a Hero (perfect TPP Shooter for Controller)
     • Fury Unleashed (perfect Roguelite TPP Platform Shooter for Keyboard/Mouse or Controller [`Twin Stick'] incl. local Coop mode)
     • Star Vikings Forever (very nice and intriguing RPG, suited for casual gaming)
     • Iratus: Lord of the Dead (very deep and captivating Turn-Based RPG and Dark Fantasy Roguelike being quite complex but for advanced gamers also suited for casual gaming)
     • Kingdom Rush (exciting real‑time startegy game series, using towers to stop incoming enemy troops – also suitable for casual gaming)
     • Bridge Constructor (fascinating physics‑puzzler series for constructing bridges to be tested by vehicles of different weight; suited for all ages and casual gaming)
     • The Pedestrian (brilliant puzzle platformer bringing traffic signs to life; suited for all ages and casual gaming)
     • Train Valley series (partly relaxing and adorable train‑puzzle) similar to Please Fix The Road (very beautiful and funny 3D‑Puzzle, mixture between the next game and Tetris) and What the Golf? (a very humorous game with nice approaches to physics, which is not really related to golf)
     • Children of Morta (very nice and addictive Twin Stick Roguelike Action RPG incl. local co‑operation mode)
     • Danger Scavenger (very nice and captivating Twin Stick Shooter incl. local co‑operation mode and suitable for casual gaming)
     • Driftmoon (really beautiful and exciting role‑playing game [RPG] and fantasy adventure, suited for casual gaming)
     • Haven Park (really cute and relaxing game) and A Short Hike (really nice and relaxing game)
     • Spiritfarer (very diversified and relaxing Platformer and Crafting game with local co‑operation mode)
     • Shovel Knight (very nice retro platformer in 5 parts, family‑friendly and partly available with local cooperation mode or PvP – I recommend a controller; incl. inofficial PDF Manual for free download)
     • Clunky Hero (very captivating Jump'n'Run and Metroidvania, which is solid even in devlopment – best played with controller)
     • Eagle Island Twist (very diversified and strategic Platformer)
     • Classic DOS Games (under GNU/Linux as Remake or by DOSBox; e.g. Crystal Caves HD, Secret Agent HD, Monster Bash HD, or Cosmo's Cosmic Adventure)
     • Several nice Flash games (for in‑between)
     • Note about Digital Game Distribution GOG.com
     • Note about Gaming Plattform itch.io
     • Note about Gaming Plattform steam
     • Note about Gaming Plattform Game Jolt
     • Warning of games: harmful to minors – addictive, promoting violence and damaging willingness to help
   • Game Engines and Frameworks
     • Game Engines
     • Game Frameworks
   • Further Literature
   • Personal Background
10. 🪤Games: Solving Problems  [🇬🇧🇩🇪]
    • Rescue Chain for Troubleshooting
      • Starting Game on Commandline in Terminal Window (for error messages)
      • ...

⚙️Technics:  WorldWideWeb, PC Tech Info, King Desktop, Technics Overview, Delphin & Music

1. 🌐WWW Manual Page  [🇬🇧]
   • Introduction
     • • World Wide Web
   • URLs and places for HTML documents
     • • Top Level Domain (e.g. .de)
   • HTML dialects and the general structure of HTML documents
   • Empty tags
   • Container tags
     • • Color Usage (as formerly used in the BODY tag)
       • Anchor Tag (for hyper references aka links, i.e. <A ... >)
       • Table Tag
   • Special characters
     • Latin1 : Basic and Supplement
     • Diacritical Marks
     • Greek and Coptic
     • Arabic
     • General Punctuation
     • Currency Symbols
     • Letterlike Symbols
     • Number Forms
     • Arrows
     • Mathematical Operators
     • Box Drawings
     • Block Elements
     • Geometric Shapes
     • Miscellaneous Symbols
     • ZapfDingbats block
     • Miscellaneous Mathematical Symbols-A
     • Supplemental Arrows-A
     • Braille Patterns
     • Supplemental Arrows-B
     • Miscellaneous Mathematical Symbols-B
     • Supplemental Mathematical Operators
     • Miscellaneous Symbols and Arrows
     • Glagolitic
     • Latin Extended-C
     • CJK Symbols and Punctuation
     • Variation Selectors
     • Mathematical Alphanumeric Symbols
     • Mahjong Tiles
     • Domino Tiles
     • Playing Cards
     • Enclosed Alphanumeric Supplement
       • Flag Category
     • Enclosed Ideographic Supplement
     • Miscellaneous Symbols and Pictographs
       • Man Teacher / Woman Teacher: Emojis with all Skin Tones
       • Family in different formations
     • Emoticons
     • Ornamental DingbatsEmoticons
     • Transport and Map Symbols
     • Alchemical Symbols
     • Geometric Shapes Extended
     • Supplemental Arrows-C
     • Supplemental Symbols and Pictographs
     • Chess Symbols
     • End of List with Further Links
   • Style Sheets
   • Available set of icons
   • Useful hints for creating good homepages
     • • Translations of Webpages
       • How to avoid line breaks
       • Use of a favicon (Tab logo)
       • Firefox: about:
       • Free WWW – no censorship!
   • Useful hints for webmastering
   • Links for further information
2. 🔧PC Tech Information about my web presence  [🇬🇧🇩🇪]
   • Old-School – or just logical
     • Usage of footnotes
   • Problem Solving
   • Testing Environment
     • Main Workstation
     • Peripherals
       • Screen
       • HiFi system
       • Brother multifunction devices
       • Keyboard
       • Mouse
       • Controller
       • USB Stick
       • USB HDD
       • Webcam
       • USB‑Microphone
       • Presenter  (being both PC remote control and Laser pointer)
       • PC chair
     • Confusion around buying a Workstation in Corona times – advice for avoiding critical points
       • Pure SSD solution: future‑proof with more silence and capacities up to 8 TB
       • Use of current `Vanilla Kernel' and Mesa: workaround for GPUs younger than 15 months
       • `Gaming' as new seal of quality for the desktop
       • Switch from Intel [CPU/iGPU] to AMD [CPU/dGPU] & from GTK/XFCE to Qt/KDE
     • Repair of Haswell system
   • Hoster
3. 👑King Desktop  [🇬🇧🇩🇪]
   • Opinions – Mobile Mania, Pressure for Change, Superficiality
   • Facts – Need for Ergonomics, Quality, Resolution and Size of the Screen
     • Snapshot of Categories
     • Ergonomics
     • Quality
     • Resolution and Size of the Screen
       • Aspect Ratios of Pages and Screens
       • Table with Page Formats
       • Table with Screen Formats
       • Resolving Power of Human Eye and resulting Element Density to Distance Relation
     • Valuation of Categories
   • Conclusion – Lessons to Learn
4. ⚙️Technics  [🇩🇪]
   • Introduction
     • List of insane, dubious or even ☠️life threatening Technics
       • Corona‑Chaos / COVID‑19‑Pandemie
         • Face Maske against Corona
           • Long‑Covid
         • ☠️Rapid Antigen Test
         • Variants of Covid‑19
           • Table of variants for COVID‑19
           • German Politicians as Fire Accelerants for Corona
         • Vaccination uncertainty
           • Table of COVID‑19 vaccines
         • ☠️Corona‑Warn‑App (CWA)
         • ☠️Herd Immunity (problematic term)
         • Reasonable Actions
         • Reasonable Regulations
         • Origin and Spread of the Corona virus
       • ☠️Smartphone Sham
       • Darkening of Glass with UV Flooding
       • All Wheel Drive or no AWD/4x4/...?
       • ☠️Diesel – Scandal with continuing health risk
       • Energy-Saving Lamp or rather ☠️Poison Lamp?
       • Disposable Lamps, Socket Madness and Torture Light Sources
       • ☠️Autonomous Driving and Robotaxis
       • Drive Technology for future cars: electric drive or hydrogen drive?
       • ☠️Digitization for better and unsociable Learning
       • Generations and where the journey is going concerning our society
     • Reasons:  Lobbying, Disinterest, Little Expertise, Dunning‑Kruger effect
   • Overview Menu
   • Conclusion
5. 🐬Delphin water vacuum cleaner  [🇩🇪]
   • Introduction
   • Delphin DP S8
     • Handling
     • Wear Parts
   • Conclusion
6. 🎷Music Page: Car HiFi and own Active Years  [🇩🇪]
   • Introduction
   • Car HiFi
   • Button Cell Phone against Smartphone Addiction
   • Personal Engagement

🔑Disclaimer and Personal Matters

1. 📄Disclaimer  [🇬🇧🇩🇪]
   • General Terms
     • Visability of Links
   • Addendum concerning DSGVO
2. 🌠Page about personal Motivation  [🇩🇪]
   • Web Start and Hiatus
   • Current Status
   • Heart of my Motivation
   • ➥ Expertise for Traditional Taekwon-Do
   • ➥ Relation with Autogenic Training
   • ➥ Personal Experiences with T_EX/L^AT_EX
   • ➥ Relation with GNU/Linux
3. 🤗Solace & Spirituality  [🇩🇪]
   • Reasons for this page – and why just now ...
     • Social Conscience
   • Offering Solace ...
   • Spirituality ...
   • Confusions and Disarrays of the big Churches
   • Personal Relation
4. 👤Anonymity Page  [🇩🇪]
   • Background
     • Request for general Concern
     • Anonymity as Human Right
       • So‑called reasons the data collecting mania
       • `Steuer‑ID' and the reckless linking of personal data
       • Dictatorship as obviously envisaged goal
     • Personal Experiences
     • A German Problem – as well as an international one
     • Time for Change
     • jmb‑edu.de History
       • Logo History
     • Absurdity of Address Blocking Lists
   • Internet Resources

🛈Sitemap and Structure of Content

1. 🌍Sitemap  [🇬🇧🇩🇪]
   • This Webpage
2. 🔠Keyword Index  [🇩🇪]
   • Alphabetic‑numerical Fast Access:
     

     	1	2	3	4	5	6	7	8	9
     1. Set	A	B	C	D	E	F	G	H	I
     2. Set	J	K	L	M	N	O	P	Q	R
     3. Set	S	T	U	V	W	X	Y	Z	;-)

3. 🏁Start Page  [🇬🇧🇩🇪]
4. 📋PDF Downloads Page  [🇬🇧🇩🇪]
   • Background & Usage
   • Summaries
     • Mathematics
     • Physics
     • Astronomy
     • Chemistry  [       🇬🇧]
     • Biology  [       🇬🇧]
     • Computer Science  [       🇬🇧]
     • AT/Stress/BOS/Relaxation Techniques
     • Traditional Taekwon-Do
     • Games
5. 📢Talk Summaries  [🇩🇪]
   • Background & Usage
     • Recommendation about a Presenter  (i.e. about Computer Remote Control for Talks)
   • Summaries of available Talks
     • Mathematics
       • 3D Drawing – Visual Illusion – Art à la M.C. Escher
       • Mathematics in HB in Q‑Phase and Abitur examination (G8, 2016)
       • Term and Rule Learning (incl. Communication)
     • Physics
       • Physics – Introduction
     • Astronomy
       • Astronomy – Introduction
       • Where is Our Place in Universe?
       • The Magellanic Clouds:  LMC / GMW & SMC / KMW
     • Computer Science
       • Computer Science – Ⅰ. Principles:  Hardware / Software
       • Computer Science – Ⅱ. Linux Basics
       • Computer Science – Ⅲ. Programming with C++
       • Computer Science – Ⅳ. Typesetting System T_EX / L^AT_EX
     • AT/Stress/BOS/Relaxation Techniques
       • Relaxation Techniques – Burnout – Autogenic Training
     • Traditional Taekwon-Do
       • Traditional Taekwon‑Do
   • Intention & Motivation

Basic Structure of jmb-edu.de

– Menu Structure with Unicode Icons –

• Start Page:  [🛈Start⁺]
  • Start Page:  [🏁Start]
  • PDF Downloads:  [📋PDF Downloads]
  • Talk Summaries:  [📢Talks]
  • Keyword Index:  [🔠Index]
  • Sitemap:  [🌍Sitemap]
• Taekwon-Do / Martial Art:  [🥋TKD⁺]
  • Traditional Taekwon‑Do:  [🥋TTKD]
  • Grandmaster Kwon / Kwon, Jae‑Hwa Taekwon-Do:  [👊GM Kwon / KJH-TKD]
  • First Aid:  [🚑First Aid]
• Autogenic Training:  [🛀AT⁺]
  • Autogenic Training:  [💺Autogenic Training]
  • Stress:  [💔Stress]
  • Burnout:  [🔥Burnout]
  • Stress of Students:  [🎒Stress of Students]
  • Relaxation Techniques:  [🎈Relaxation Techniques]
• Chess:  [♟️Chess]
  • Page of Chess:  [♘Page of Chess]
• Mathematics:  [🧮Maths]
• Physics:  [💡Physics]
• Astronomy:  [🔭Astro]
• Mathematics and Natural Sciences Lessons (🥼): <just SupCategory of the Sitemap>
• Chemistry: <🧪only as category – not as page>
• Biology: <🧬only as category – not as page>
• Computer Science: <💻only as category – not as page>
• Research & Education:  [📙R&E⁺]
  • Research & Education:  [📙Research & Education]
  • Own Research:  [🎓Own Research]
  • Teaching:  [👨‍🏫Teaching]
• GNU/Linux:  [🐧GNU/Linux⁺]
  • GNU/Linux:  [🐧GNU/Linux]
  • Installation and Configuration Manual for GNU/Linux Systems:  [📀Installation: G/L]
  • Configuration Files for GNU/Linux Systems:  [📂Configs: G/L]
  • Formerly recommended Linux Distributions:  [🖬Older G/L-s]
  • Page about Security Problems with IT:  [⚠️Security Problems]
• T_EX/L^AT_EX:  [📜L^AT_EX]
• C++ Programming:  [💾Progs: C++]
  • C++ Programming:  [💾Progs: C++]
  • C++ Code Example Phase 1:  [🖪C++ Code Phase 1]
• Games:  [🕹️Games]
  • Games:  [🕹️Games]
  • Games: Solving Problems:  [🪤Games: Solving Problems]
• Technics:  [⚙️Technics⁺]
  • Technics:  [⚙️Technics]
  • WWW Manual:  [🌐WWW Manual]
  • PC Tech Information about my web presence:  [🔧PC Tech Info]
  • King Desktop:  [👑King Desktop]
  • Music & G2 Phone:  [🎷Music & G2 Phone]
  • Delphin:  [🐬Delphin]
• Disclaimer:  [🔑Disclaimer⁺]
  • Disclaimer:  [📄Disclaimer]
  • Anonymity Page:  [👤Anonymity]
  • Motivation:  [🌠Motivation]
  • Solace & Spirituality:  [🤗Solace]
• HTTP Error Page:  [🤯Error Page]
• just for giving own E-Mail address:  E‑Mail:  📧jmb@jmb‑edu.de

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