Complex tech,
explained
simply.
Like finding the right nut in the right tree.
Hi, I’m Cesar “Aran” Pasillas — software engineer, AI builder, and your bushy-tailed guide through Java, LLMs, microservices, and modern engineering.
No jargon forests. Just clear paths and well-hidden nuts of knowledge.
Aran DataNut
Chief Nut Architect
“Every complex system has a simpler version hiding inside it. My job is to find it — like a nut under the snow.”
- RAG Pipelines
- Java Spring
- LLM Orchestration
- Microservices
- Whisper AI
- Vector Stores
Every post, same
friendly formula
Aran breaks down each concept the same way — so you always know what to expect and always walk away with the nut.
chunks = vector_store.search(
query=“user question”, top_k=5
)
Aran DataNut
Chief Nut Architect
“Think of a RAG pipeline like my winter stash — I don’t memorize every nut’s location. I just remember which tree to check.”
- RAG Pipelines
- LLM Routing
- Vector Stores
Aran’s Nutshell
Today’s Nut
What you take home today
“Don’t memorize the whole forest. Just know which tree to check. That’s RAG in one sentence.”
- RAG = map, not memory
- Embeddings = coordinates
Latest posts
-
7 SRE Principles
If you want to adopt SRE you need to understand the 7 SRE principles: Embrace Risk, Service Level Objectives, Eliminate Toil, Monitoring, Automation, Release Engineering and Simplicity
🐿️
|
-
Tight Coupling & Loose Coupling
Tight Coupling : means that the classes are dependent on specific class. Loose Coupling : he classes are not dependent on specific classes but on interfaces
🐿️
|
-
Steps to create a Spring Project
The best way to create a project in Spring is using the spring initializar start.spring.io. Spring initializr generates spring boot project quickly!
🐿️
|
Programming Squirrel 