mirror.dongdigua.github.io/org/cheatsheet.org

(Editor) Cheatsheet

• VIM
  • deletion
  • edit
  • movement
  • file/split
• EMACS
  • org
  • normal
  • eww/elpher (essensial)
• Git
• Shell
  • Fish
• ffmpeg

VIM

deletion

key	usage
D	delete to end of line

edit

key	usage
u/C-r	撤销/重做
c i {	change inside {}
"{register}y/p	向/从寄存器拷贝

movement

key	usage
w/e	下一个单词/单词尾
b	单词头
H/M/L	当前页面可见顶部/中间/底部
C-u(f)/d	上/下翻页
%	到对应括号
{}	段落跳转
g ;	goto last change
g */#	正/反查找光标下的词
g d/D	跳转到本地/全局定义
C-w	jump between splits
C-o/i	Older/Newer position
`	mark

file/split

key	usage
:n/:N	文件之间切换
:b	切换到文件
C-w h/j/k/l	切换分屏窗口
:%!xxd (-r)	edit in hex

EMACS

org

key	usage
C-c |	创建表格
C-c C-e	导出 HTML
C-c C-x C-v	toggle render images
C-c C-l	编辑链接
C-c C-,	org-insert-structure-template
C-c C-x p	org-set-property

https://orgmode.org/worg/dev/org-export-reference.html

Bold italic underline strikethrough code verbatim

normal

key	usage
M-%	替换
M-;	区域切换注释
C-x C-;	行切换注释
C-y	paste to minibuffer
M-&/!	async/shell command
C-M-\	indent-region
M-y	past previous
C-x ^	enlarge-window

https://www.masteringemacs.org/article/fun-games-in-emacs

eww/elpher (essensial)

key	usage
TAB	shr-next-link/elpher-next-link
d	eww-download/elpher-download
g	eww-reload/elpher-go
G	eww
l	eww-back-url
∘	elpher-back-url
&	eww-browse-with-external-browser
w	eww-copy-page-url
C/c	elpher-copy-current/link-url
v	eww-view-page-source
.	elpher-view-raw

Git

Git 能离线使用只是个传说, 你仍然需要联网搜索该用哪个命令传什么参数 magic is useful

git log --stat | perl -ne 'END { print $c } $c += $1 if /(\d+) insertions/;'
git log --pretty=tformat: --numstat | awk '{ add += $1; subs += $2; loc += $1 - $2 } END { printf "added lines: %s, removed lines: %s, total lines: %s\n", add, subs, loc }'

git show :1:file  # 1common 2ours 3theirs

git rebase --committer-date-is-author-date

Shell

Fish

key	usage
M-Left/Right	jump world, or prevd/nextd
M-s	sudo the last command
M-w	what is this

ffmpeg

ffmpeg -hwaccel qsv -i IN -ss 5:00 -t 30:00 -s 720x480 -r 30 -an -threads 2 OUT