find text in directory

grep -rnw '/path/to/somewhere/' -e 'pattern'

• pass properties to children react props by using React.cloneElement
• using withStyles from @material-ui/core/styles for react-admin

add git submodule

git add submodule [url] name

git remove submodule

Remove the submodule entry from .git/config

git submodule deinit -f path/to/submodule

Remove the submodule directory from the superproject's .git/modules directory

rm -rf .git/modules/path/to/submodule

Remove the entry in .gitmodules and remove the submodule directory located at path/to/submodule

git rm -f path/to/submodule

cors error when 301

remove trailing / at end of apis

config vscode for tsx, jsx, js, ts support

"files.associations": { ".js":"javascriptreact", ".ts": "typescriptreact", ".jsx": "javascriptreact", ".tsx":"typescriptreact" },

delete node_modules recursive

find . -name 'node_modules' -type d -prune -exec rm -rf '{}' + find . -name "node_modules" -type d -prune -print | xargs du -chs find . -name 'node_modules' -type d -prune -print -exec rm -rf '{}' ;

common lib

• logger for js: loglevel

install npm module for sub dir

find . -maxdepth 1 -type d \( ! -name . \) -exec sh -c "cd '{}' && echo '>>>>>>>> run in {}' && rm -rf node_modules && npm install" \;

reduce pdf size

gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook -dNOPAUSE -dQUIET -dBATCH -sOutputFile=output.pdf input.pdf 
ps2pdf -dPDFSETTINGS=/ebook input.pdf output.pdf

make iso file from osx

hdiutil makehybrid -o ~/Desktop/image.iso ~/path/to/folder/to/be/converted -iso -joliet

mount disk

mkdir /mnt/cdrom
mount -t iso9660 -o ro /dev/sr0 /mnt/cdrom

list disk

lsblk

add jquery to console.

var jq = document.createElement('script');
jq.src = "https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js";
document.getElementsByTagName('head')[0].appendChild(jq);