# HG changeset patch # User Oleksandr Gavenko # Date 1238258510 -7200 # Node ID 28bf1a282a7083d66bb386595d9792f4ebbad940 # Parent c40837b0c482cba5128db0e72831f056fba47fc6# Parent 24f1a6ce1a7275fbd00f5f7e1b8222fed9c81a95 Automated merge with file:///srv/hg/admin-doc diff -r c40837b0c482 -r 28bf1a282a70 auto-proof.rst --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/auto-proof.rst Sat Mar 28 18:41:50 2009 +0200 @@ -0,0 +1,49 @@ +-*- outline -*- + +* proofgeneral. + + $ sudo apt-get install proofgeneral + $ sudo apt-get install proofgeneral-coq + $ sudo apt-get install proofgeneral-misc + $ sudo apt-get install proofgeneral-doc + $ sudo apt-get install proofgeneral-minlog + +or build from source: + + $ make clean + $ make compile EMACS=xemacs + $ cat ~/.emacs +... +(load-file "dir/generic/proof-site.el") +... + +See + + http://proofgeneral.inf.ed.ac.uk/ + +* Isabelle. + +Isabelle is a generic proof assistant. + +It allows mathematical formulas to be expressed in a formal language and +provides tools for proving those formulas in a logical calculus. The main +application is the formalization of mathematical proofs and in particular +formal verification, which includes proving the correctness of computer +hardware or software and proving properties of computer languages and +protocols. + +See + + http://isabelle.in.tum.de/overview.html + http://en.wikipedia.org/wiki/Isabelle_(theorem_prover) + +* IsarMathLib. + +This site is an experimental HTML rendering of fragments of the IsarMathLib +project. IsarMathLib is a library of mathematical proofs formally verified by +the Isabelle theorem proving environment. The formalization is based on the +Zermelo-Fraenkel set theory. + +See + + http://isarmathlib.org/ diff -r c40837b0c482 -r 28bf1a282a70 laser-disk.rst --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/laser-disk.rst Sat Mar 28 18:41:50 2009 +0200 @@ -0,0 +1,43 @@ +-*- outline -*- + +* What best DVD-R or DVD+R? + +The DVD-R format was developed by Pioneer in 1997 vc DVD+R in 2002 by Sony. + +DVD+R format was not an official DVD format until January 25, 2008. + +DVD-R(W) and DVD+R(W) format are incompatible. + +DVD-R(W) use amplitude modulation, DVD+R(W) use phase modulation, so more reliable. + +On multi-session DVD-R(W) disk any session take up to 96 MB in time on DVD+R(W) +every session take exactly 2 MB. + +DVD+R(W) win! + +See + + http://en.wikipedia.org/wiki/DVD-R + http://en.wikipedia.org/wiki/DVD%2BR + +* What capacity of DVD? + ++----------+-------------------------------------------+ +| | Capacity | ++ Type +-----------+---------------+------+--------+ +| | sectors | bytes | GB | GiB | +| | 2,048B | | | | ++----------+-----------+---------------+------+--------+ +|DVD-R (SL)| 2,298,496 | 4,707,319,808 | 4.7 | 4.384 | +|DVD+R (SL)| 2,295,104 | 4,700,372,992 | 4.7 | 4.378 | +|DVD-R DL | 4,171,712 | 8,543,666,176 | 8.5 | 7.957 | +|DVD+R DL | 4,173,824 | 8,547,991,552 | 8.5 | 7.961 | ++----------+-----------+---------------+------+--------+ + + + + + + + + diff -r c40837b0c482 -r 28bf1a282a70 video-file.rst --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/video-file.rst Sat Mar 28 18:41:50 2009 +0200 @@ -0,0 +1,23 @@ +-*- outline -*- + +* Players for linux? + + $ sudo apt-get install vlc +or + $ sudo apt-get install mplayer + +* How convert .3gp to .avi(mpeg)? + +First install convertor: + + $ sudo apt-get install ffmpeg + +Then do: + + $ ffmpeg -i video-in.3gp -b 250 -s 160×120 -r 15 -f avi -an video-out.avi +or + $ mencoder -oac mp3lame -ovc lavc -o video-out.avi -vf pp,2xsai,scale video-in.3gp +or + $ mencoder -o video-in.avi -vf pp,2xsai,scale -ovc lavc video-out.3gp +or + $ mencoder -o video-in.avi -vf rotate=2 -oac pcm -ovc divx4 video-out.3gp