bash/tmux/neovim/LatexBox -- all my favourite tools
ESC f- next wordESC b- previous word^w- delete previous word^u- delete to line start^y- paste deletedESC d- delete next wordESC t- swap wordsESC r- restore lineESC #- comment out lineESC *- insert file names in CWD starting with^x^e- invoke editor for the command^_- undo edit: "${VAR:=default}"- set variable if not already set- redirection
>&2 echo error- echo to stderr2>&1- combine stdout and stderr> >(tee stdout.log) 2> >(tee stderr.log)- redirect stdout and stderr to different files
- calculate volume sizes
docker volume ls -q | \ parallel 'echo $(docker run -i --rm -v {}:/docs alpine du -sh /docs) {}' | \ sort -hr
git worktree add <branch> <dir- create another directory with a branchgit restore <branchtag|sha> -- <file>- restore deleted filegit log --graph --all- show graph with all branchesgit show development:my_file.txt- show file in another branchgit whatchanged -p my_file.rb- See What Has Changed on a File Over Timegit rev-list --all | xargs git grep -F ''- grep all branches- remove all untracked and ignored files and empty directories
git clean -fdX find . -type d -empty -delete
<Command><Alt><Mouse>- iTerm2 rectangular selection
find . -mindepth 1 -maxdepth 1 -type d -print0 | xargs -0 du -sh | sort -h- list sizes of all directories including ones with spaces-iname- is like-namebut case insesitive
ping 0- check if network is running on the localhost- use
/usr/bin/time -vinstead oftimeto get more detaiiled process infrmation - sort a file keeping header at the top:
cat file | (read -r; printf "%s\n" "$REPLY"; sort)
sudo lshw- list hardware- pipe through
pvto see the command progress findmntto see mount points with details
- fix for command-not-found on Ubuntu
sudo apt install --reinstall command-not-found sudo chmod -R o+r /var/lib/command-not-found/
- remote logout console session
gnome-session-quit --no-prompt addusersudo usermod -a -G <group> <user>; newgrp <group>add user to a group and reload assignmentxsel- copy/paste from/to clipboard
⌘⇧GCommnad-Shift-Gin file dialog - enter path
⌘⇧.Command-Shift-.- show hidden files
gg/G- go to file start/end556G- go to line 556n/N- find next/previous:map- show keybindings- reload file
:edit- current buffer:checktime- all files
:r file- insert text from file^w- window operations followed withw- next windowv/s- vertical/horisontal splito- minimize other windows+/-- increase/decrease vertical size</>- increase/decrease horisontal sizex- swap current window with the nextm- zoom/unzoom curren windowq- cancel window splitw- make all windows same size
:set scrollbind- sync scroll in windows^v- start rectangular selection:let mapleader- detect<Leader>key^r- redo- find/replace
:%s/str/repl/gc- ask and replace:%s/%Vstr/repl/g- search/replace within none-line selection
:set nowrap- prevent line wrapping^y/^e/^u/^d- scroll up/down/pg up/pg downgc, move - comment/uncomment, if does not work- comment block: in the 1st column
^v, select block,I # Esc - uncomment block: in the 1st column
^v, select block,d Esc
- comment block: in the 1st column
"ayy/"Ayy- copy/append selection to registerazR/zM- open/close all foldszo/zcopen/close current fold>/<indent/unindent block>>/<<indent/unindent line^r"insert register into command buffer:so %- reload config while editing init.vimF4- ctags sidebar (:TagbarToggle)F7- run flake8r- replace single character%- jump to matching bracket- delete
d/changec/yankydi"- delete within quotes or other chractersda"- delete within quotes and delete quotesdtc- delete until chracter 'c'df- delete until next space or other chracter including itdT- delete backward until space or other characterdaw- delete the whole word with spacediw- delte the whole word without space
- quoting/unquoting
cs"'- change " to 'ds"- unquote "ysiw"- quote word with "
^o/^i- jump to previos/next location (normal mode)fc/Fc- jump forward/back to charactercgqip- wrap current line:noh- remove search highlight- macro
qaq- start where 'a' is a regizter a-zN@a- play macro in register 'a' 'N' number of times
^6- switch to previous buffer*- search for the word under cursor- marks
ma- mark position a`a- jump to position a'a- jump to line of position a`.- jump to last edit
^- move to 1st none-space character of the string- INSERT mode
^r*- insert yanked text^o- perform a single command from NORMAL mode
r! date- insert current timestampgx- open browser on the current linkbw- completely close the file:help- get help on a topic^]- follow the link^T- go back^o/^i- history forward/back
:argdo/:bufdo/:windo/tabdo- run operation on multiple files^l- redraw screen
[/]c- jump prev/next hunk,hs- stage current hunk,hu- unstage current hunk:G- start commitcain status window on commit -- amend
ma- create a file in the selected directory:syntax on- fix weird symbols in the file list
,di- start line drawing mode,ds- stop line drawing<,>,^,v- arrows^v, draw block,b- draw a box,l- create a box,f- flood with character (does not work)
,sdt- describe table,se- execute selection or statement under cursor:DBCompleteTables- load table names for completion
:setlocal spell spelllang=en_us- start spellcheckz=- spelling suggestionszg- add misspelled word to local dictionary]s/[s- move to next/previous misspelled word,cs- on the word for list of synonyms, etc.
\lv- Latex view\lt- Latex TOC%- jump matching bracket^X^O- complete
%- jump between '<' and '>'>- complete single line tag>>- complete multiline tag\x- surround selection with a tag\%- jump to tag start\d- delete surrounding tags\c/\u- comment/uncomment selection
- fast count of rows estimate
SELECT reltuples::bigint AS estimate FROM pg_class WHERE relname = 'table_name';
- poor man's histogram:
SELECT width_bucket(numeric_column, 1, 200, 20), count(*) FROM table GROUP BY 1 ORDER BY 1
split_part('a:b', ':', 1)-> aconcat_ws(':', 'a', 'b', ..)- join strings with seprator- stop/kill query
SELECT * FROM pg_stat_activity WHERE state = 'active'; SELECT pg_cancel_backend(<pid of the process>)
- convenient view for background queries
SELECT now()-query_start as elapsed, state, datname, pid, usename, query, application_name, client_addr, query_start, state_change, wait_event_type, wait_event FROM pg_stat_activity WHERE state = 'active';
- get database size
SELECT pg_size_pretty(pg_database_size(current_database())) AS database_size;
import ipdb; ipdb.set_trace()- drop into iPython- create virtual environment - https://docs.python.org/3/library/venv.html
python3 -m venv --upgrade-deps venv && \ . ./venv/bin/activate
- install requirements
pip install -r requirements.txt
- find all python environments in current directory and below
fd -p -g '**/bin/activate' aList[::-1]- reverse a list- create conda environment:
conda create -n <env> python=3.12 pip conda activate <env>
- useful decorators
@atexit.register @dataclass @unique @singledispatch
- clickable terminal links
import rich rich.print("Hello [link=http://localhost:8000]App[/link]!")
- slotted classes
__slots__: 'slot' sys.getsizeof(mylist)
- replace column names:
df.columns = ['a', 'b', 'c'] - insert top row
df.loc[-1] = [1,2,3] df.index = df.index + 1 df = df.sort_index()
- drop empty rows:
df.dropna(axis='rows', inplace=True, how='all')
^B I- Installs new plugins from GitHub or any other git repository^B U- updates plugin(s)^B alt u- remove/uninstall plugins not on the plugin list^B [- scroll/copy modeq- quits^<space>- start higlight<esc>w- copy highlighted text
^B %/|- split vertical/horizontal^B <-/^B ->- move between windows^B z- zoom pane to the whole window^B /- search^B y- copy command to clipboard^B Y- copy PWD to clipboard^B C- create new session from within the currebt one^B g- switch to another session^B ]- paste from clipboard^B b- last window^B <space>- change layout- save buffer in file:
^B:capture-pane -S -3000<enter>^B:save-buffer file.txt<enter> ^B D- disconnect other clientstmux new-session -A -s NAME- create new or attach to existing named session
byobu-tmux- start byobu with tmux CLI options^B|/%- horizontal/vertical splitEnter- copy highlight
[tab]- file name globs (requiressetopt extendedglob)<200-300>- range of integers^*.c- negate glob~- exclude from pattern**/*- get into subdir
=<command>-$(which <command>)fc- run the editor on previous commandr a=b- rerun previous command with optional substitution[ESC]q- put command on stack[ESC]a- execute command keep it in buffer[ESC]'- escape command
