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September 2

React Navigation 5

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...

September 2

React Navigation 4

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August 26

How to recursively delete all files of a specific extension in the current directory

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 ...

August 20

Setup React Project

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: ...

June 23

Creating a Stand Alone Executable from a Python Script using PyInstaller

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). ...

May 31

HTML codes for ASCII characters

https://ascii.cl/htmlcodes.htm ...

May 22

Custom logo make easy with two online image tool

Easiest way to create an image online: https://logomakr.com/ Once you have logo done, take a screenshot and use our suggestion tool to remove the background.  ...

May 22

How to make png background transparent?

Want to give your png file a transparency background?  Free online tool: https://onlinepngtools.com/create-transparent-png ...

March 28

Certbot SSL Certification Auto Renew Cron Job

Let's encrypt SSL certificates will get expired after 90 Days of installation and you must renew it before it get expired. Certbot Renew Command $ sudo certbot renew --dry-run Certbot Auto Renew Cron Job $ cat /etc/cron.d/certbot Content: # /etc/cron.d/certbot: crontab entries for the certbot package # # Upstream recommends attempting renewal twice a day # # Eventually, this will be an opportunity to validate certificates # haven't been revoked, etc....

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