Andulka
Today's Document
Love Begins
trying on a metaphor
YOU ARE THE REASON
if i look back, i am lost
Jules of Nature
h
noise dept.
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One Nice Bug Per Day
PUT YOUR BEARD IN MY MOUTH
shark vs the universe
Noah Kahan
Sweet Seals For You, Always
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tumblr dot com
he wasn't even looking at me and he found me
taylor price
art blog(derogatory)
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@srinimf
Databricks Watermark vs Window Explained with Simple Diagrams (Beginner's Guide)
Introduction If you’re learning Databricks Structured Streaming, you’ve likely come across the terms Window and Watermark. These are two of the most commonly misunderstood concepts because they are often used together in streaming applications. Many beginners think they perform the same function. In reality, they solve different problems. In this guide, you’ll learn: What a Window is What a…
Databricks RSA Preparation: Top Interview Questions and Answers (2026 Guide)
Databricks RSA Preparation Questions and Answers Preparing for a Databricks RSA (Resident Solutions Architect) interview requires more than just knowing Spark APIs. You should understand architecture, security, governance, optimization, and customer best practices. This guide covers commonly asked RSA interview questions with practical answers. 1. What is Databricks? Databricks is a unified…
How to Create a Subagent in Claude Code: A Step-by-Step Guide
What’s a subagent? A specialized Claude instance with its own context window, custom system prompt, and specific tool access — useful for tasks like code review, testing, or research that would otherwise clutter your main conversation. Steps to create one Option A — Ask Claude to write it for you (recommended) In a Claude Code session, describe the subagent you want, e.g.:“Create a personal…
Migrating from Hive Metastore to Unity Catalog in Databricks: Complete Step-by-Step Guide
Introduction As organizations modernize their data platforms, governance, security, and centralized access control become critical requirements. Many companies using Databricks initially started with the legacy Hive Metastore for managing tables and permissions. However, Databricks now recommends moving to Unity Catalog for enterprise-grade governance and data management. Migrating from Hive…
2-Minute Random Topics to Improve English Speaking Skills
Speaking English fluently requires regular practice, confidence, and clear communication. One of the best ways to improve fluency is by speaking for two minutes on random topics. This method helps improve vocabulary, pronunciation, grammar, and thinking in English. In this blog post, you will find popular 2-minute speaking topics along with key points you can use while speaking. Why 2-Minute…
Spark Structured Streaming vs Spark Declarative Pipelines (SDP): What Every Data Engineer Should Know
If you’ve been building data pipelines on Databricks, you’ve likely used Spark Structured Streaming — the powerful low-level API for real-time data processing. But with the introduction of Spark Declarative Pipelines (SDP), formerly known as Delta Live Tables, Databricks has reimagined how pipelines should be built. So which one should you use? In this post, we break down both approaches — what…
Linking Words Practice: Improve Your English Speaking Fluency Naturally
Why Linking Words Matter Many English learners know grammar and vocabulary, but they often struggle to connect their ideas smoothly while speaking. For example, they may have several good points to share, but the conversation sounds disconnected. In other words, linking words help transform separate sentences into a clear and organized message. There are several benefits to using linking words,…
Databricks DLT with @dp: A Complete Guide to Streaming and Batch Processing
Modern data engineering requires handling both real-time streaming data and traditional batch workloads efficiently. Databricks has evolved Delta Live Tables (DLT) into Lakeflow Declarative Pipelines, enabling data engineers to build reliable and scalable pipelines with less code. Using the dp module, developers can define streaming tables and materialized views declaratively. Databricks…
AI Agents for Beginners: Everything You Need to Know
Artificial Intelligence is changing the world faster than ever, and one of the biggest innovations today is AI Agents. From automating tasks to making intelligent decisions, AI agents are becoming powerful digital assistants for businesses and individuals. If you are new to AI, this beginner-friendly guide will help you understand: What AI agents are How they work Real-world use…
Quick SQL Interview Questions for Data Engineers (Little Tricky)
Use these for interviews, practice, or YouTube/blog content. Includes table creation + query questions. 1. Find 2nd Highest Salary Table: CREATE TABLE employees ( emp_id INT, emp_name VARCHAR(50), salary INT);INSERT INTO employees VALUES(1,'John',5000),(2,'Mary',7000),(3,'David',7000),(4,'Sam',4000); Question: Find the 2nd highest salary. Answer: SELECT MAX(salary) AS second_highestFROM…
AWS Glue Crawler Issue with Dynamic S3 Folder Paths? Here’s the Complete Fix
Introduction One common challenge beginners face while working with AWS Glue is handling S3 paths that contain dynamically changing folder names. This usually happens when files are written by applications, APIs, Lambda functions, or ETL jobs that generate hash-based or UUID-based folders for every run. For example, your S3 path may look like this: s3://my-bucket/output/ 8d3f1a92/result/…
How to Create a Generic Stored Procedure for KPI Calculation (SQL + AWS Lambda)
In modern data engineering, building scalable and reusable systems is essential. Writing separate SQL queries for every KPI quickly becomes messy and hard to maintain. A better approach?👉 Use a Generic Stored Procedure powered by Dynamic SQL, and trigger it using AWS Lambda. In this blog, you’ll learn: What a generic stored procedure is Why dynamic SQL is important Step-by-step KPI…
Unlocking the Power of Databricks Genie: A Comprehensive Guide
In the ever-evolving landscape of big data analytics, tools and technologies play a pivotal role in how businesses derive insights from their data. One such revolutionary tool is Databricks Genie. This article will explore what Databricks Genie is, its features, and how it enhances data analytics for organizations looking to leverage their data for competitive advantage. What is Databricks…
Secure S3 File Upload Using API Gateway, Lambda & PostgreSQL (Complete AWS Architecture Guide
Modern applications often allow users to upload files—documents, invoices, images, or datasets. But a production-grade upload pipeline must be secure, scalable, and well-organized. In this article, we will build a complete end-to-end architecture where: A frontend user submits data An API receives the request The system validates the request against a database A hashed folder key is…
AI Agents in Data Engineering: Everything You Need to Know
Artificial Intelligence is rapidly transforming the way organizations manage and process data. One of the most exciting developments in this space is the emergence of AI agents. These intelligent systems are capable of analyzing information, making decisions, and performing tasks autonomously. For data engineers, AI agents represent a major shift in how data pipelines, analytics workflows, and…
The End-to-End AI Stack – A Real Guide for Developers to Code, Create, and Execute
Artificial Intelligence tools are on the rise, from writing assistants to coding helpers and automation platforms. However, many professionals struggle to compare these tools effectively. This is where the AI Stack becomes important. Modern AI tools like ChatGPT, NotebookLM, and Antigravity serve different purposes, and understanding their roles helps in: Avoiding tool overload Building…
10 Workplace Communication Speaking Exercises to Improve Fluency at Work
Strong workplace communication is one of the most valuable professional skills today.Whether you’re giving project updates, speaking to clients, or collaborating with teams — the ability to speak clearly and confidently can set you apart. However, many professionals struggle with: Speaking smoothly in meetings Structuring thoughts while talking Avoiding filler words Sounding confident during…