Author: Jack
HTTPS
https://certbot.eff.org/lets-encrypt/ubuntuxenial-apache
- sudo apt-get update
- sudo apt-get install software-properties-common
- sudo add-apt-repository universe
- sudo add-apt-repository ppa:certbot/certbot
- sudo apt-get update
sudo apt-get install certbot python-certbot-apache
sudo certbot --apache
sudo certbot renew --dry-run
whatsapp-clone-using-react-hooks-suspense-graphql-apollo-typescript-and-postgresql
https://medium.com/the-guild/whatsapp-clone-using-react-hooks-suspense-graphql-apollo-typescript-and-postgresql-de1840c27d21
Best Practices for Cypress testing
https://docs.cypress.io/guides/references/best-practices.html
StringUtils in Java with Apache Commons Lang 3
isEmpty() – Check if a String is null or empty (“”)
if (StringUtils.isEmpty(name)) { }
isBlank() – Check if a String is blank (all whitespace), empty (“”), or null
if (StringUtils.isBlank(name)) { }
Online IDE
-
https://www.compilejava.net/
https://www.tutorialspoint.com/online_python_ide.php
https://www.tutorialspoint.com/compile_java_online.php
ServerlessStack
https://s3.amazonaws.com/anomaly/ServerlessStack/ServerlessStack-v3.3.3.pdf
React + Redux FLow
Thanks to https://medium.com/@javascript_7596/react-redux-concept-workflow-cheatsheet-be00e3ffa853
Rserve in linux
/usr/local/lib/R/site-library/Rserve/java# ls -la
total 72
drwxrwxr-x 2 root staff 4096 Nov 2 14:26 .
drwxrwxr-x 8 root staff 4096 Nov 2 14:26 ..
-rw-rw-r– 1 root staff 32348 Nov 2 14:26 REngine.jar
-rw-rw-r– 1 root staff 29772 Nov 2 14:26 Rserve.jar
added in bashrc
export CLASSPATH=$CLASSPATH:/usr/local/lib/R/site-library/Rserve/java/REngine.jar:/usr/local/lib/R/site-library/Rserve/java/Rserve.jar