Skip to content

Latest commit

 

History

History
109 lines (70 loc) · 2.6 KB

cheatsheet.md

File metadata and controls

109 lines (70 loc) · 2.6 KB
Raw

#VIM

###Shortcuts zz : Center cursor location

0 : Go to beginning of the line

:%so ~/.vimrc : reloads .vimrc

''! : copy into system clipboard in visual mode

###Match and replace end of line with new line :%s/$/^V^M/g

###Delete up to character dt<char>

###Go to end of line and insert shift-a

###Select word under cursor viw # selects word vaw # selects leading and trailing spaces

###Record and replay repeated actions record: q[register][action]q replay: @[register]

example: qa^yw$pq

records yanking the first word on the line and pasting it to the end of line into register a, q ends the recording

#########################################################################################

#BASH

###Loop through each line in file while read p; do echo $p; done < file

###Loop n times for i in {1..n}; do echo $i; done

###Loop through strings, useful for looping though executables prog="p1 p2 p3 p4" for p in $prog; do echo $prog done

###Redirect time output. Time sends to stderr time sleep 1 2> file

###Read file into variable file=$(<file)

###Less in color less -r

###copy directory recursivly cp -r

tail continuously updated program with grep

adb -s 172.16.51.120:5555 shell top -m 1 | egrep --line-buffered "User .* System .*" | while IFS= read -r line; do printf '%s:%s\n' "$(date +%s)" "$line"; done >> ~/elov1-cpu

###Pretty print json echo '{}' | jq

#########################################################################################

#GIT

###Set global ignore

git config --global core.excludesfile ~/dotifle/.gitignore_global

###Rename branch on local and remote

git branch -m old_branch new_branch         # Rename branch locally    
git push origin :old_branch                 # Delete the old branch    
git branch --unset-upstream                 # may be needed if the pushed branch get set to track the old branch
git push --set-upstream origin new_branch   # Push the new branch, set local branch to track the new remote

###git log: find a commit between two timestamps

git log --pretty="%h %an %ad" --since=2018-04-15 --until=2018-04-18

###git bisect: for tracking down an old commit that introduced a bug

git bisect start <bad> <good>
git bisect run script.sh            # script exits with 0 if good else bad
git bisect reset                    # resets bisect and goes to where you started
git bisect log > bisect.log         # shows bisect history to check if your script is correct
git bisect replay bisect.log        # if you mess up, correct the bisect log, reset and replay the log