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CSS:  #wrap {   background: #fff;   position: relative; } #wrap:after {   content: "\f087";    font-family: FontAwesome;   font-style: normal;   font-weight: normal;   text-decoration: inherit;   position:...

find the oldest file in the directory find  .  -type f -printf '%T+ %pn' | sort | head -n 1 ...

Count folder with number of files: ls . | wc -l A typical way to handle the “argument list too long” error is via the find command. Delete all files with sess*  find .  -maxdepth 1 -mindepth 1 -type f -name "sess*" -delete tip: handle large sessions folder for php: rm -rf sessions; mkdir sessions;  chmod 1733 sessions; ...

Tip for search in MySQL with case sensitive:  SELECT *  FROM table_name WHERE BINARY field_name LIKE '%search_string%'; ...

run expo update / nmp update first, then, Install packages: npm install @react-navigation/native Installing dependencies into an Expo managed project:  expo install react-native-gesture-handler react-native-reanimated react-native-screens react-native-safe-area-context @react-native-community/masked-view if you are using 'stack' and 'drawer', import the packages as well: npm install @react-navigation/stack npm install @react-navigation/drawer for material bottom and top tabs navigator, import following: npm install @react-navigation/material-bottom-tabs react-native-paper npm install @react-navigation/material-top-tabs react-native-tab-view If you're on a Mac and developing for iOS, you...

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Run following command first to see exactly which files you will remove.  find . -name "*.bak" -type f Also, make sure that -delete is the last argument in your command. If you put it before the -name *.bak argument, it will delete everything.  But use it with precaution.  find . -name "*.bak" -type f -delete ...

Make sure you have Node 12 LTS or greater installed, download from https://nodejs.org/en/ Use npm to install the Expo CLI command line utility sudo npm install -g expo-cli or sudo npm install expo-cli --global Then (use expo) run the following commands to create a new React Native project called "AwesomeProject": expo init AwesomeProject  cd AwesomeProject npm start # you can also use: expo start expo commands: ...

1. go to https://www.pyinstaller.org/ 2. install PyInstaller from PyPI pip install pyinstaller 3. run pyinstaller --onefile -w if you want only one output file and without opening console terminal pyinstaller --onefile -w yourscript.py 4. (for windows) if your program requires additional  packages, you can use NSIS (Nullsoft Scriptable Install System) https://nsis.sourceforge.io/Main_Page. download and install it.  (watch video above to see how to do it properly). ...