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Two whole days of my life, down the drain! Thankfully, it was just my pet project, but I ended up sacrificing an entire weekend wrestling with this enigma. So, I'm writing this blog post to save you from the same fate. Problem: I am using Quarkus and...
Shebang Shebang is a combination of bash # and bang ! followed the the bash shell path. Shebang is simply an absolute path to the bash interpreter. #! /bin/bash Make a file executable To make a .sh file executable only for your user, use: chmod u+x...
1. Show tables The command \dt stands for describe tables and shows all tables in the database, equivalent to show tables in MySQL. \dt 2. Create user Run the following SQL command to create a user. Replace and 'password' with the desired username a...
How to set JAVA_HOME on macOS Monterey? First check which shell you are using (either bash or zsh). For zsh shell, we can put the environment variables at ~/.zshenv or ~/.zshrc.echo $SHELL /bin/zsh On Mac OS X 10.5 or later, we can use /usr/libexe...
Fork your open source project you want to contribute into your GitHub and clone your fork. git clone git@github.com:dcnis/mockito.git Show current configured remote repositories. The origin repo points to your fork on GitHub. git remote -v > origin ...
What is CloudFormation? AWS CloudFormation is a service that enables you to define and provision your AWS Infrastructure as Code (IaC). Other famous Infrastructure as Code services are Terraform, Puppet or Chef. CloudFormation allows you to treat you...
A pub-sub system, short for publish-subscribe system, is a messaging pattern used in distributed systems to enable communication between components or services while decoupling them from each other. Our example will be based on RocketQ. RocketQ is a...
Batch processing refers to the execution of a series of tasks or operations on a large volume of data in a batch. I used batch processing in the past for following use cases. Use cases Perform batch insertion of large data into a database table Quer...
using Redi's atomic increment command (incr)
