2023-02-07
2021-09-19
the nice thing about writing you own languages...
... is that one can change the grammar at any time... :)
and just simplify things a bit more... :)
what was simple has become simpler... :)
https://www.youtube.com/watch?v=nRIiyCWRGTo
noticed the difference?... :)
2021-09-18
a bit of the leafer language grammar draft... :)
the grammar used to write leafers... :)
written in the `chaos' language... :)
the one written in the home `planck' language... :)
the one written in the core `planck' language... :)
2021-09-01
2021-08-26
2020-12-04
setuid reminder
"Linux ignores the setuid¹ bit on all interpreted executables (i.e. executables starting with a #! line)."
2020-09-29
programming us keyboard layout with pt characters
!! ~/.xmodmaprc !! make AltGr to switch mode keycode 108 = Mode_switch !! Programming keys keycode 34 = bracketleft braceleft parenleft less keycode 35 = bracketright braceright parenright greater keycode 18 = 9 parenleft less keycode 19 = 0 parenright greater degree !! Acentuação e sinais auxiliares ! A Á À Â Ã Á Â ! E É - Ê - É Ê ! I Í - - - Í À * ! O Ó - Ô Õ Ó Ô ! U Ú - - - Ú Õ * ! C - - - - Ç Ã * ! note: use caps lock to select case. keycode 38 = a A aacute acircumflex keycode 26 = e E eacute ecircumflex keycode 31 = i I iacute agrave keycode 32 = o O oacute ocircumflex keycode 30 = u U uacute otilde keycode 54 = c C ccedilla atilde !! primeir@ :: º and ª keycode 48 = quoteright quotedbl masculine ordfeminine !! « » at < > keycode 59 = comma less guillemotleft keycode 60 = period greater guillemotright !! r R ® © keycode 27 = r R registered copyright !! Superiors ! 1 ! ¹ ! 2 @ ² ! 3 # ³ keycode 10 = 1 exclam onesuperior keycode 11 = 2 at twosuperior keycode 12 = 3 numbersign threesuperior !! Currency :: 4 $ € £ keycode 13 = 4 dollar EuroSign sterling !! αβit keycode 90 = KP_Insert KP_0 Greek_alpha keycode 91 = KP_Delete KP_Decimal Greek_beta
test if directory is empty ... :)
https://stackoverflow.com/questions/91368/checking-from-shell-script-if-a-directory-contains-files
https://superuser.com/questions/352289/bash-scripting-test-for-empty-directory
https://www.cyberciti.biz/faq/linux-unix-shell-check-if-directory-empty/
# ?O.o ... well ::: dash/bash only... :)
[ "`echo *`" = '*' -a "`echo **`" = '**' ] && {
echo has no public files ;
[ "`echo .*`" = '.*' -a "`echo .**`" = '.**' ] &&
echo also has no hidden files, is empty ;
} ;# there it is ... :)
# example of use ... :)
cdl () # cd and maybe list
{
local owd="`pwd`" ;
cd "$@" && {
[ "$owd" = "`pwd`" ] ||
# actually changed directory,
[ "`echo *`" = '*' \
-a "`echo **`" = '**' ] ||
# has public files,
{ echo ; .ls ; } # list them.
};
} ;
2020-09-24
keyboard tips...
https://wiki.debian.org/Keyboard
http://xahlee.info/linux/linux_keybinding_index.html
https://unix.stackexchange.com/questions/249122/why-do-my-xmodmap-binds-involving-altgr-only-work-on-some-keys
& there you go update...
xmodmap -e 'keycode 108 = Mode_switch' ;
xmodmap -e "keycode 34=bracketleft braceleft parenleft less"
xmodmap -e "keycode 35=bracketright braceright parenright greater"
2020-09-12
2019-12-16
2019-10-10
2019-10-05
2019-10-01
2019-09-30
nix
install...
sh <(curl https://nixos.org/nix/install) --no-daemon
change to nixos stable channel... (downgrades nix)
nix-channel --add https://nixos.org/channels/nixos-19.03 nixpkgs
entering a shell with ghc and necessary packages to compile abxm...
nix-shell -p "haskellPackages.ghcWithPackages (pkgs: with pkgs; [ xmonad xmonad-contrib ])"
Error: cloning builder process: Operation not permitted installing
sh <(curl https://nixos.org/nix/install) --no-daemon
change to nixos stable channel... (downgrades nix)
nix-channel --add https://nixos.org/channels/nixos-19.03 nixpkgs
nix-channel --update
nix-env -iA nixpkgs.nix
entering a shell with ghc and necessary packages to compile abxm...
nix-shell -p "haskellPackages.ghcWithPackages (pkgs: with pkgs; [ xmonad xmonad-contrib ])"
install development enviroment...
mkdir ~/.config/nixpkgs
echo '{ allowUnfree = true; }' > ~/.config/nixpkgs/config.nix
nix-env -f '' -iA sublime3
nix-env -i cachix
cachix use all-hies
nix-env -iA selection --arg selector 'p: { inherit (p) ghc864; }' -f https://github.com/infinisil/all-hies/tarball/master
nix-env -i ghc
nix-env -i ghc
configure sublime... (no need, but still testing on that)
# https://github.com/haskell/haskell-ide-engine#using-hie-with-sublime-text
## https://packagecontrol.io/installation#st3
# Tools >> Preferences >> LSP Settings
{
"clients": {
"haskell-ide-engine": {
"command": ["hie"],
"scopes": ["source.haskell"],
"syntaxes": ["Packages/Haskell/Haskell.sublime-syntax"],
"languageId": "haskell",
},
},
}
other packages...
subllime-merge
icecat
possible errors during installs...
## https://packagecontrol.io/installation#st3
# Tools >> Preferences >> LSP Settings
{
"clients": {
"haskell-ide-engine": {
"command": ["hie"],
"scopes": ["source.haskell"],
"syntaxes": ["Packages/Haskell/Haskell.sublime-syntax"],
"languageId": "haskell",
},
},
}
other packages...
subllime-merge
icecat
possible errors during installs...
Error: cloning builder process: Operation not permitted installing
solution ::: echo 'sandbox = false' >> .config/nix/nix.conf
( maybe undo this after whatever succeeded )
2019-09-28
2019-09-24
2019-08-12
the tablet.rasi for the children's rofi (draft)
* {
font: "Bitstream Vera Sans Mono 12";
background-color: black;
foreground-color: white;
text-color: silver;
}
window {
border: 1px 5px 5px 1px;
border-color: gold;
border-radius: 3px;
margin: 62px 0px 0px 0px;
width: 50%;
}
listview {
cycle: false;
dynamic: true;
fixed-height: false;
lines: 16;
margin: 7px;
scrollbar: true;
}
element {
background-color: #111111;
margin: 1px;
padding: 10px 10px;
}
element selected {
background-color: dimgray;
text-color: black;
}
element selected.active {
background-color: white;
text-color: black;
}
scrollbar {
handle-color: dimgray;
handle-width: 64px;
padding: 0px;
}
inputbar {
margin: 14px;
}
prompt {
text-color: gold;
}
textbox {
font: "Bitstream Vera Sans Mono 7";
padding: 5px 20px 5px 20px;
border: 1px 0px 1px 0px;
border-color: dimgray;
}
font: "Bitstream Vera Sans Mono 12";
background-color: black;
foreground-color: white;
text-color: silver;
}
window {
border: 1px 5px 5px 1px;
border-color: gold;
border-radius: 3px;
margin: 62px 0px 0px 0px;
width: 50%;
}
listview {
cycle: false;
dynamic: true;
fixed-height: false;
lines: 16;
margin: 7px;
scrollbar: true;
}
element {
background-color: #111111;
margin: 1px;
padding: 10px 10px;
}
element selected {
background-color: dimgray;
text-color: black;
}
element selected.active {
background-color: white;
text-color: black;
}
scrollbar {
handle-color: dimgray;
handle-width: 64px;
padding: 0px;
}
inputbar {
margin: 14px;
}
prompt {
text-color: gold;
}
textbox {
font: "Bitstream Vera Sans Mono 7";
padding: 5px 20px 5px 20px;
border: 1px 0px 1px 0px;
border-color: dimgray;
}
and it actually works daily... :)
yet another run-time fully recompile-able editable x interface... yet just another "proof of concept"... looks great... and it does work better than it already looks... :) ... feels like ~ ... kind of and editable ide... that also runs other applications... :) ... while someone else still lives in the past... :( ...
... and lol :: don't download that torrent... worthless quality!
... and lol :: don't download that torrent... worthless quality!
2019-08-11
dwell now works well... :)
... and goes well with xmobar... :)
Run CommandReader "/path/to/x-touch .5 2 3 1 @" "touch"
our first alpha code craft of a dwell... that works quite well... in chromium overridden... but that's ok... lol
- - - - - - -
#!/bin/sh
x_touch ()
# usage: [ dwell=0 [ touch3=0 [ touch2=0
# [ show=0|1|2|3|4|5 [xchar=@] ]
# ] ] ]
# dwell: timeout in seconds,
# disable with: 0 | [0].0
# touch3: touched fingers count for click 3,
# disable with: 0, sugested: 2
# touch2: touched fingers count for click 2,
# disable with: 0, sugested: 3
# show: output population, disable with: 0
# 0 ) quiet
# @ stdout:
# 1 ) xmobar: gold, orangered, transparent
# 2 ) events: TIMING, LOCKED, UNLOCKED
# 3 ) extra: + KILLED
# @ stderr:
# 4 ) show: + EVENT lines
# >=5 ) debug: + event descriptions
# xchar: string to use in xmobar mode
{ xinput test-xi2 --root | {
local dwell=yes d=${1:-0} \
t3=${2:-0} t2=${3:-0} s=${4:-1} x=${5:-X} ;
[ $d = 0 -o $d = .0 -o $d = 0.0 ] &&
{ d=0 ; dwell=no ; }
[ $d = 0 -a $t3 -eq 0 -a $t2 -eq 0 ] && {
echo 'Nothing to do... :(' >&2 ;
return 1 ;
} ;
local last_event=none color= ;
event () { [ $s -gt 0 -a "$*" != "$last_event" ] && {
if [ $s -eq 1 ] ; then
local color=
case $1 in
T* ) color=darkred ;;
L* )
case $2 in
2 ) color=gold ;;
3 ) if [ "$3" = dwell ] ;
then color=limegreen ;
else color=green ;
fi ;
esac ;
;;
U* ) color=#222222 ;;
esac;
echo "$x
else echo $* ;
fi ;
last_event="$*";
} ; } ;
show () { [ $s -gt 3 ] && echo "$@" >&2 ; } ;
local line=
while read line ; do
case "$line" in
*TouchScreen*slave*pointer* )
show $line ;
break ;
esac ;
done ;
to_after_empty ()
{
local line ;
while read line ; do
[ -z "$line" ] && break ; done ;
} ;
to_after_empty ;
click () { /usr/bin/xdotool click ${1:-3} ; } ;
local dwelling=yes \
LOCK=/tmp/x-touch-dwell.ing"$DISPLAY" \
lock= touched=0 ;
thouched ()
{
touched=$(( $touched + 1 )) ;
[ $touched -eq 1 -a $dwell = yes ] && {
dwelling=yes ;
{
sleep $d ;
touch $LOCK ;
event LOCKED 3 dwell ;
} &
pid=$! ;
event TIMIMG $d @ $pid
} ;
} ;
local dwelling=no ;
undwell () # click?
{
[ $dwelling = yes ] && { # dwelling?
dwelling=no ;
if [ -e $LOCK ] ; then # locked?
rm $LOCK ;
[ "$1" = yes ] && # click?
click ;
else
kill $pid ;
[ $s -gt 2 ] && event KILLED $pid ;
fi ;
} ;
} ;
unlock () # click?
{
touched=0 ;
[ $dwell = yes ] && undwell $1 ;
event UNLOCKED;
} ;
# delete any previous lock
[ -e $LOCK ] && rm $LOCK ;
# for xmonad: first event
if [ $s -eq 1 ] ; then
# sleep 1s ;
event UNLOCKED ;
else last_event=UNLOCKED ;
fi;
local line= showing=yes touching=0 ;
while read line ; do
case "$line" in EVENT* )
showing=no
case "$line" in
# *22* ) show $line ;; # RawTouchBegin
*18* ) # TouchBegin
show $line $touching touching ;
touching=$(( $touching + 1 )) ;
thouched ;
case $touched in
$t3 ) undwell ; event LOCKED 3 ;;
$t2 ) undwell ; event LOCKED 2 ;;
* ) [ $touched -gt $t3 -o $touched -gt $t2 ] &&
event UNLOCKED ;;
esac ;
showing=yes ;
;;
# *24* ) show $line ;; # RawTouchEnd
*20* ) # TouchEnd
show $line $touching touching ;
touching=$(( $touching - 1 )) ;
if [ $touching -eq 0 ] ; then
case $touched in
1 ) unlock yes ;
continue ;
;;
$t3 ) click ;;
$t2 ) click 2 ;;
esac ;
unlock ;
fi ;
showing=yes ;
;;
*19* ) # TouchUpdate
show $line $touching touching ;
unlock ;
;;
*Touch* )
show $line ;
showing=yes ;
esac ;
;;
* ) [ $showing = yes -a $s -gt 4 ] &&
show ::\\t"$line" ;
esac ;
done ;
} ; } ;
x_touch "$@" ;
Run CommandReader "/path/to/x-touch .5 2 3 1 @" "touch"
our first alpha code craft of a dwell... that works quite well... in chromium overridden... but that's ok... lol
- - - - - - -
#!/bin/sh
x_touch ()
# usage: [ dwell=0 [ touch3=0 [ touch2=0
# [ show=0|1|2|3|4|5 [xchar=@] ]
# ] ] ]
# dwell: timeout in seconds,
# disable with: 0 | [0].0
# touch3: touched fingers count for click 3,
# disable with: 0, sugested: 2
# touch2: touched fingers count for click 2,
# disable with: 0, sugested: 3
# show: output population, disable with: 0
# 0 ) quiet
# @ stdout:
# 1 ) xmobar: gold, orangered, transparent
# 2 ) events: TIMING, LOCKED, UNLOCKED
# 3 ) extra: + KILLED
# @ stderr:
# 4 ) show: + EVENT lines
# >=5 ) debug: + event descriptions
# xchar: string to use in xmobar mode
{ xinput test-xi2 --root | {
local dwell=yes d=${1:-0} \
t3=${2:-0} t2=${3:-0} s=${4:-1} x=${5:-X} ;
[ $d = 0 -o $d = .0 -o $d = 0.0 ] &&
{ d=0 ; dwell=no ; }
[ $d = 0 -a $t3 -eq 0 -a $t2 -eq 0 ] && {
echo 'Nothing to do... :(' >&2 ;
return 1 ;
} ;
local last_event=none color= ;
event () { [ $s -gt 0 -a "$*" != "$last_event" ] && {
if [ $s -eq 1 ] ; then
local color=
case $1 in
T* ) color=darkred ;;
L* )
case $2 in
2 ) color=gold ;;
3 ) if [ "$3" = dwell ] ;
then color=limegreen ;
else color=green ;
fi ;
esac ;
;;
U* ) color=#222222 ;;
esac;
echo "
else echo $* ;
fi ;
last_event="$*";
} ; } ;
show () { [ $s -gt 3 ] && echo "$@" >&2 ; } ;
local line=
while read line ; do
case "$line" in
*TouchScreen*slave*pointer* )
show $line ;
break ;
esac ;
done ;
to_after_empty ()
{
local line ;
while read line ; do
[ -z "$line" ] && break ; done ;
} ;
to_after_empty ;
click () { /usr/bin/xdotool click ${1:-3} ; } ;
local dwelling=yes \
LOCK=/tmp/x-touch-dwell.ing"$DISPLAY" \
lock= touched=0 ;
thouched ()
{
touched=$(( $touched + 1 )) ;
[ $touched -eq 1 -a $dwell = yes ] && {
dwelling=yes ;
{
sleep $d ;
touch $LOCK ;
event LOCKED 3 dwell ;
} &
pid=$! ;
event TIMIMG $d @ $pid
} ;
} ;
local dwelling=no ;
undwell () # click?
{
[ $dwelling = yes ] && { # dwelling?
dwelling=no ;
if [ -e $LOCK ] ; then # locked?
rm $LOCK ;
[ "$1" = yes ] && # click?
click ;
else
kill $pid ;
[ $s -gt 2 ] && event KILLED $pid ;
fi ;
} ;
} ;
unlock () # click?
{
touched=0 ;
[ $dwell = yes ] && undwell $1 ;
event UNLOCKED;
} ;
# delete any previous lock
[ -e $LOCK ] && rm $LOCK ;
# for xmonad: first event
if [ $s -eq 1 ] ; then
# sleep 1s ;
event UNLOCKED ;
else last_event=UNLOCKED ;
fi;
local line= showing=yes touching=0 ;
while read line ; do
case "$line" in EVENT* )
showing=no
case "$line" in
# *22* ) show $line ;; # RawTouchBegin
*18* ) # TouchBegin
show $line $touching touching ;
touching=$(( $touching + 1 )) ;
thouched ;
case $touched in
$t3 ) undwell ; event LOCKED 3 ;;
$t2 ) undwell ; event LOCKED 2 ;;
* ) [ $touched -gt $t3 -o $touched -gt $t2 ] &&
event UNLOCKED ;;
esac ;
showing=yes ;
;;
# *24* ) show $line ;; # RawTouchEnd
*20* ) # TouchEnd
show $line $touching touching ;
touching=$(( $touching - 1 )) ;
if [ $touching -eq 0 ] ; then
case $touched in
1 ) unlock yes ;
continue ;
;;
$t3 ) click ;;
$t2 ) click 2 ;;
esac ;
unlock ;
fi ;
showing=yes ;
;;
*19* ) # TouchUpdate
show $line $touching touching ;
unlock ;
;;
*Touch* )
show $line ;
showing=yes ;
esac ;
;;
* ) [ $showing = yes -a $s -gt 4 ] &&
show ::\\t"$line" ;
esac ;
done ;
} ; } ;
x_touch "$@" ;
2019-07-29
javascript-based pc emulator
https://bellard.org/jslinux/
https://bellard.org/jslinux/tech.html
...
http://minimal.linux-bg.org/emulator/
...
http://asmjs.org/spec/latest/#syntax
https://emscripten.org/docs/getting_started/Tutorial.html#running-emscripten
https://emscripten.org/docs/getting_started/Tutorial.html#generating-html
note on the "note": you can load a file, at least any text, using a hidden iframe... :)
reuse it by changing the src attribute... get the text at the onload event...
if is javascript use eval to load the code... :)
... http://node-os.com
https://bellard.org/jslinux/tech.html
...
http://minimal.linux-bg.org/emulator/
...
http://asmjs.org/spec/latest/#syntax
https://emscripten.org/docs/getting_started/Tutorial.html#running-emscripten
https://emscripten.org/docs/getting_started/Tutorial.html#generating-html
note on the "note": you can load a file, at least any text, using a hidden iframe... :)
reuse it by changing the src attribute... get the text at the onload event...
if is javascript use eval to load the code... :)
... http://node-os.com
2019-07-17
meet one of "the competition"...
more at the beginning, around year 2000, we did tried to join their effort and emailed them (http://www.sergeydmitriev.com/) about that... to which "they" never replied... :(
https://www.youtube.com/watch?v=iN2PflvXUqQ
... while we are still quite loosing this lop "race"... :(
... "but hey" ::: "they" have lots of slaves... :( ... lulz...
while we only count on our poor kidnapped retarded children yet to reeducate ... :(
yet they're still not wining as we expected ::: therefore still quite useless to us...
though "that doesn't really work, does it? did you try?..."
just kidding ::: we don't even yet have a shell... :(
though we could ::: be actually using MPS to code my point of view of these issues ::: but that would feel like not fair play... so i did not even tried using it... and it just feels like a joke that "the competition" has lots of human resources... lolz ::: i wish i had humans resources too... unfortunately i'm not a buyer that would have money enough even to barely pay my self to put up with my self at work barely getting nowhere slowly trying to get somewhere... :) ... which is actually good ::: not having too much money to explode so much... https://www.youtube.com/watch?v=A40ww5M53d4
to sergey ::: in case you ever read this, please laugh out loud upon this post... for the sake of my kidnapped retarded children that feed you today ::: obviously for the past 8+ years we barely work... for that part ::: please give your thanks to the sick people that enslave you... but ::: surely you wouldn't actually be even quite aware of that... and now you wonder... wtf is this about?... which is actually even more fun... advise ::: if you read this, just forget you read this... it only took my a few minutes to write.
( this is one o those posts that may as well vanish (or not) at any time, enjoy )
https://www.youtube.com/watch?v=iN2PflvXUqQ
... while we are still quite loosing this lop "race"... :(
... "but hey" ::: "they" have lots of slaves... :( ... lulz...
while we only count on our poor kidnapped retarded children yet to reeducate ... :(
yet they're still not wining as we expected ::: therefore still quite useless to us...
though "that doesn't really work, does it? did you try?..."
just kidding ::: we don't even yet have a shell... :(
though we could ::: be actually using MPS to code my point of view of these issues ::: but that would feel like not fair play... so i did not even tried using it... and it just feels like a joke that "the competition" has lots of human resources... lolz ::: i wish i had humans resources too... unfortunately i'm not a buyer that would have money enough even to barely pay my self to put up with my self at work barely getting nowhere slowly trying to get somewhere... :) ... which is actually good ::: not having too much money to explode so much... https://www.youtube.com/watch?v=A40ww5M53d4
to sergey ::: in case you ever read this, please laugh out loud upon this post... for the sake of my kidnapped retarded children that feed you today ::: obviously for the past 8+ years we barely work... for that part ::: please give your thanks to the sick people that enslave you... but ::: surely you wouldn't actually be even quite aware of that... and now you wonder... wtf is this about?... which is actually even more fun... advise ::: if you read this, just forget you read this... it only took my a few minutes to write.
( this is one o those posts that may as well vanish (or not) at any time, enjoy )
2019-06-20
2019-05-11
noticed odds...
... harder to tell apart when using odd based alphabets... like base 3, for example...
0, 1, 2, 10, 11, 12, 20, 21, 22
check oddness by reducing to digital root...
https://en.wikipedia.org/wiki/Digital_root#Congruence_formula
0, 1, 2, 10, 11, 12, 20, 21, 22
check oddness by reducing to digital root...
https://en.wikipedia.org/wiki/Digital_root#Congruence_formula
the core trinity...
... in rude humble words ::: data | relate | invert
... maybe aka ::: generator | operator | destroyer
... maybe aka ::: generator | operator | destroyer
2019-04-18
2019-04-17
we got "it"...
or at least part of it... but not the implementation ::: requires human resources we do not have...
https://youtu.be/XW_h4KFr9js?t=850
https://youtu.be/XW_h4KFr9js?t=850
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