spring-boot Learning Spring Boot from Zero to Cloud: Part 36 – JdbcTemplate – Generated Keys! josedacruz, May 31, 2025May 31, 2025 Welcome to another episode in our Spring Boot Series series! In this video, you’ll learn how to insert data using JdbcTemplate and immediately retrieve the auto-generated key — a common task when working with relational databases. 🎯 Topics covered: 🔧 Technologies used: Continue Reading
spring-boot Learning Spring Boot from Zero to Cloud: Part 35 – JdbcTemplate – Generic DAOs! josedacruz, May 30, 2025May 30, 2025 In this episode of our Spring Boot series, we dive into building reusable DAO classes using Spring’s JdbcTemplate. If you’re tired of writing repetitive SQL and boilerplate JDBC code, this design pattern will help you write cleaner, more testable, and maintainable code in no time. Learn how to abstract CRUD… Continue Reading
spring-boot Learning Spring Boot from Zero to Cloud: Part 34 – JdbcTemplate – Empty and Null Handling! josedacruz, May 28, 2025May 28, 2025 Handling database results properly is critical for writing robust and clean Spring Boot applications! In this video, we dive deep into how to gracefully deal with null values and empty query results using JdbcTemplate – a must-have skill for any backend developer. You’ll learn how to prevent dreaded NullPointerExceptions, improve… Continue Reading
spring-boot Learning Spring Boot from Zero to Cloud: Part 33 – JdbcTemplate – Complex Queries! josedacruz, May 27, 2025May 27, 2025 Welcome to this deep-dive tutorial where we explore how to handle complex SQL result sets using JdbcTemplate in Spring Boot. If you’ve ever struggled with joins, nested mappings, or organizing your domain models cleanly — this is the video for you. We’ll walk through practical examples using LEFT JOIN, LinkedHashMap,… Continue Reading
architecture How to Be a Software Architect: Role, Responsibilities, and Real-World Impact (EP00) josedacruz, May 24, 2025May 24, 2025 What does a software architect really do? 🤔Beyond drawing diagrams and picking tech stacks, the architect is a visionary, a decision-maker, and the bridge between business and code. In this video, you’ll get a complete walkthrough of what the architect’s role looks like in real-world projects — from discovery all… Continue Reading
spring-boot Learning Spring Boot from Zero to Cloud: Part 32 – Conditional Beans: When to Load and When to Skip! josedacruz, May 23, 2025May 23, 2025 Unlock the full potential of Spring Boot’s auto-configuration magic by mastering Conditional Beans! In this video, we dive deep into how @Conditional, @ConditionalOnProperty, @ConditionalOnClass, and related annotations work behind the scenes. ✅ Learn how to use conditions for dynamic configuration✅ Understand Spring Boot’s evaluation pipeline✅ See real-world use cases like… Continue Reading
puzzles and challenges Puzzles You Should Know – Ep.3 – Two Coins Puzzle (And 6 Real-Life/Software Examples) josedacruz, May 21, 2025May 21, 2025 Ever flipped two heads in a row and wondered what that really means? 🪙 In this video, we dive into the classic Two Coins Puzzle to reveal the logic behind Bayes’ Theorem — one of the most powerful tools for updating beliefs based on evidence. Whether you’re debugging software, reading… Continue Reading
metrics Metrics That Matter Ep. 1 – Lines of Code (LOC): What Every Developer & Architect Should Know josedacruz, May 20, 2025May 20, 2025 Welcome to the Metrics That Matter series! In this episode, José Cruz walks you through one of the most talked-about — and often misunderstood — software metrics: Lines of Code (LOC).This video isn’t just a dry definition. You’ll learn how to interpret, apply, and even challenge LOC-based metrics with real-world… Continue Reading
spring-boot Learning Spring Boot from Zero to Cloud: Part 31 – Lazy Beans: Delay, Don’t Deny! josedacruz, May 19, 2025May 19, 2025 🚀 Welcome back to our Spring Boot Mastery Series! In this episode, we dive deep into one of the most misunderstood yet powerful annotations in the Spring ecosystem: @Lazy. Whether you’re optimizing performance, managing complex dependencies, or delaying heavy instantiations, understanding @Lazy can level up your architectural thinking and application… Continue Reading
architecture How to Be a Software Architect: Architecture Starts Before Code (EP02) josedacruz, May 17, 2025May 17, 2025 Most software projects fail not because of bad code, but because of decisions that were never made — or made too late. This video explains why great architecture starts before the first line of code is ever written. You’ll learn how architects think, what questions they ask early, and how… Continue Reading