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Series about things I am curious about.
Definition Apache Airflow is a workflow scheduler. It defines what should run, when it should run, and in what order — but it does not perform the work itself. Core Building Blocks DAG (Directed Acyclic Graph) A DAG is a workflow definition, written ...
Definition Amazon EBS (Elastic Block Storage) EBS is a network-attached, persistent block storage service designed to be used with EC2 instances. Volumes persist independently of the EC2 instance Can be attached, detached, and reattached to instanc...
Definition An AWS VPC endpoint is a way to privately connect your VPC to AWS services without using the Internet VPC endpoints are used because it is more security, reliability, and performance by keeping traffic on the AWS private network instead of...
What Is a Vectorized Operation? A vectorized operation is an operation that works on entire arrays (Series or DataFrames) at once, rather than processing elements one by one in Python. # Vectorized operations df['key'] = df['key'] *10 df['key'] = df[...
I first started using FastAPI when I joined my team, which was already using it for our backend services. After joining, I wanted to understand how it worked and what made it so effective. Now, after learning about its architecture and design princip...
As a Spring developer, I found myself needing to brush up on Java annotations and Reflection. While working on tasks like data validation and JPA, I realized I was using these features without a solid grasp of the underlying concepts. To clear up my ...
