• Site
  • 1. Introduction
  • 2. Software development model
  • 3. Control Structures
  • 4. Logic
    • 4.1. Logic symbols
    • 4.2. Notation
    • 4.3. Combinatorics
    • 4.4. Boolean functions and truth tables
      • 4.4.1. Universal lookup function
      • 4.4.2. Nullary Boolean functions
      • 4.4.3. Unary Boolean functions
      • 4.4.4. Binary Boolean functions
    • 4.5. Mask operation
      • 4.5.1. Clearing data bits
      • 4.5.2. Setting data bits
      • 4.5.3. Inverting data bits
      • 4.5.4. Other mask operations
    • 4.6. Functional completeness
      • 4.6.1. Composition of Boolean functions with NOT and AND
        • 4.6.1.1. Composing nullary functions from NOT and AND
        • 4.6.1.2. Convenience definition of OR
      • 4.6.2. Universal composition function
        • 4.6.2.1. Unary functions defined by composition function
        • 4.6.2.2. Example composition function for \(f^3_{23}\)
  • 5. Source Control Management
    • 5.1. Kallithea
    • 5.2. Mercurial Repository Trimming
  • 6. Shell basics
    • 6.1. Job Control
    • 6.2. POSIX
      • 6.2.1. Conventions for Syntax Descriptions
        • 6.2.1.1. Specific Conventions in Templated Shell Scripts
    • 6.3. Special Purpose Language vs. Generic Programming Language
      • 6.3.1. Variable expansion
      • 6.3.2. echo (1) , printf(1)
      • 6.3.3. Avoid special bash syntax
      • 6.3.4. Do not use arrays
    • 6.4. WRF loop - single line processing in shell
      • 6.4.1. WRF loop
      • 6.4.2. WRF loop with standard IFS split
      • 6.4.3. WRF loop with special IFS split
      • 6.4.4. split and process lines with awk(1)
    • 6.5. Single quoting
    • 6.6. Construct correctly quoted shell script
      • 6.6.1. Preparations
      • 6.6.2. Single quoted string
      • 6.6.3. HERE document
    • 6.7. Command execution
    • 6.8. . command
    • 6.9. Subshell and compound commands
  • 7. Shell Wildcards and Filenames
    • 7.1. Glob pattern expansion
    • 7.2. Non-matching glob patterns
    • 7.3. Directory separator and illegal characters
      • 7.3.1. 7-bit ASCII, printable, without directory separator and illegal characters
  • 8. Shell Tools
    • 8.1. dir_to_dot.sh - generate dot(1) graph from directory
  • 9. Python
    • 9.1. Language extensions
  • 10. Common Lisp
  • 11. Evaluating algorithms
    • 11.1. Big O notation
    • 11.2. Bakado - the way of the idiot
      • 11.2.1. Proving \(f(n) \in o(g)\)
      • 11.2.2. Proving \(f(n) \in O(g)\)
    • 11.3. Taidanado - the way of the lazy
    • 11.4. Satori o aita tensaido - the way of the enlightened genius
  • 12. Exchange variables without temporary variable
    • 12.1. Bewerbungsgespräch
    • 12.2. Hardware
    • 12.3. Software
      • 12.3.1. Assembler
      • 12.3.2. Interpreter
        • 12.3.2.1. XOR Lösung
        • 12.3.2.2. NORMALE LÖSUNG
      • 12.3.3. Compiler
      • 12.3.4. Details
  • 13. MOV is Turing-complete
  • 14. Markup converter design
    • 14.1. Direct conversion between markup languages
    • 14.2. Conversion via central abstract DOM
  • 15. shell PIDs
  • 16. Emacs Extension
    • 16.1. Emacs-Erweiterungen mit Cut-Paste-Modify
      • 16.1.1. Erst mal Proof-of-Concept
      • 16.1.2. Der Makro
      • 16.1.3. Die Funktion
        • 16.1.3.1. Was muss man haben
        • 16.1.3.2. Welche Vorlage benutzt man?
        • 16.1.3.3. Umgang mit Klammerausdrücken
        • 16.1.3.4. Erst mal die absoluten Basics
        • 16.1.3.5. Butter bei die Fische
        • 16.1.3.6. Das Sahnehäubchen
  • 17. klicki-bunti-und-das-fliewatüüt
  • 18. Shell Option Evaluation Loop
    • 18.1. Shell Commmand Grammar
    • 18.2. Option Loop Activity Diagram
    • 18.3. Option Loop Template
    • 18.4. Snippet for defining an option
      • 18.4.1. Example options
        • 18.4.1.1. No parameters
        • 18.4.1.2. All parameters = ::fillme::
        • 18.4.1.3. opt_short = q, opt_long = quiet-day
        • 18.4.1.4. opt_short = q, opt_arg = INT
        • 18.4.1.5. opt_short = q, opt_long = quiet-day, opt_arg = INT
        • 18.4.1.6. opt_long = quiet-day, opt_arg = INT
      • 18.4.2. Option generator snippet
  • General Index
• Page