randomish topic discussed: command log mode add html nav bar categorization problem 15:50 undo hell using xah-fly-keys.el and xah-html-mode.el ... https://www.youtube.com/watch?v=JFdQtbEcwzE

the final emacs lisp code is named 「xah-html-delete-tag-pair」 in 〈Emacs: Xah HTML Mode〉 [ http://ergoemacs.org/emacs/xah-html-mode.html ] topics talked: • first 30 minute emacs lisp coding. then random. • 〈Starry-Eyed Owl〉 [ http://xaharts.org/arts/starry_eyed_owl.html ] • write html command to delete current tag pair. • 「xah-html-remove-html-tags」 • 「xah-html-html-to-text」 • 「xah-html-remove-list-tags」 • 〈PowerShell Basics〉 [ http://xahlee.info/powershell/index.html ] • 〈Programing Languages and Their Computational Models〉 [ http://xahlee.info/comp/lang_computational_model.html ] • 〈Python by Example〉 [ http://xahlee.info/python/index.html ] • 〈Perl by Example〉 [ http://xahlee.info/perl/perl_index.html ] • 〈Ruby by Example〉 [ http://xahlee.info/ruby/ruby_index.html ] • 〈Golang Tutorial〉 [ http://xahlee.info/golang/golang_index.html ] • 〈Why Python Sucks〉 [ http://xahlee.info/comp/python_problems.html ] • 〈Why Python Doc Sucks〉 [ http://xahlee.info/python/python_doc_index.html ] • 〈Python Poetry: the __main__ Stanza〉 [ http://xahlee.info/python/python_doc__main__stanza.html ] • 〈Practical Emacs Lisp〉 [ http://ergoemacs.org/emacs/elisp.html ] • 〈JavaScript in Depth〉 [ http://xahlee.info/js/js.html ] ... https://www.youtube.com/watch?v=HcT4H4s0Q9E

topics • https://youtu.be/_AtJNICQJj0?t=1376 why you should not alt tab • https://youtu.be/_AtJNICQJj0?t=2213 writing online, encyclopedia style vs blog style. • https://youtu.be/_AtJNICQJj0?t=2960 technology, past and future, and the milengen eedeeots • https://youtu.be/_AtJNICQJj0?t=3274 hp28 graphing calculator, Forth lang, Texas Instrument calc, and never use emacs calc links mentioned • [Emacs: HTML, Delete Tags] ( http://ergoemacs.org/emacs/emacs_html_delete_tags.html ) • [Elisp: Doc String Markup] ( http://ergoemacs.org/emacs/inline_doc.html ) • [Kinesis Advantage2 Keyboard] ( http://xahlee.info/kbd/keyboard_kinesis.html ) • [Ultimate Hacking Keyboard] ( http://xahlee.info/kbd/ultimate_hacking_keyboard.html ) • [Technology, Past and Future] ( http://xahlee.info/comp/technological_musing.html ) • [Heartbeat Watch] ( http://xahlee.info/comp/heart_beat_watch.html ) • why you should not using emacs calc • [HP-28S Advanced Scientific Calculator] ( http://xahlee.info/prog/hp28s/hp28s.html ) • [Best Graphing Calculator] ( http://xahlee.info/math/calculators.html ) ... https://www.youtube.com/watch?v=_AtJNICQJj0

topic talked: • math books. 〈Intro to Real Projective Plane〉 [ http://xahlee.info/projective_geometry/projective_geometry.html ] • A History of Mathematics, by Carl Boyer 〈Math and Geometry Books〉 [ http://xahlee.info/math/xah_math_books_2015-09.html ] • 〈The Betrayal of the Body〉 (1967) by Alexander Lowen • 〈The Language of the Body〉 (1958) by Alexander Lowen (1910 to 2008) 〈Buy at amazon〉 [ http://www.amazon.com/dp/B000GS66R2/?tag=xahh-20 ] • 〈Why I am Not a Christian (Bertrand Russell)〉 [ http://wordyenglish.com/p/why_not_christian.html ] • 〈Has Religion Made Useful Contributions to Civilization? (Bertrand Russell)〉 [ http://wordyenglish.com/p/religion_Russell.html ] • 〈What Desires Are Politically Important? (by Bertrand Russell)〉 [ http://wordyenglish.com/p/russell-lecture.html ] • 〈(Knowledge + Love) / Disrespectfulness〉 [ http://xahlee.info/Netiquette_dir/disrespectfulness.html ] • Kungfu Paglia • Camille Paglia on Lena Dunham. 2016-04-14 • Camille Paglia on gender pronouns • Camille Paglia on Megyn Kelly • Camille Paglia on Lady Gaga • 〈Intro to Real Projective Plane〉 [ http://xahlee.info/projective_geometry/projective_geometry.html ] • 〈Harmonic Conjugacy〉 [ http://xahlee.info/projective_geometry/harmonic_points.html ] • 〈Quadrangle and Quadrilateral〉 [ http://xahlee.info/projective_geometry/quadrilateral.html ] • 〈Desargues's Two Triangle Theorem〉 [ http://xahlee.info/projective_geometry/desargues.html ] • 〈What is Technical Drawing, Descriptive Geometry, Projective Geometry, Linear Algebra〉 [ http://xahlee.info/3d/tech_drawing.html ] • 〈Projective Illusion〉 [ http://xahlee.info/math/projective_illusion.html ] ... https://www.youtube.com/watch?v=tqCgshDvm4c