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Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Oct 12, 2024 · Backend Development

Mastering Spring Boot Bean Selection: 6 Ways to Choose the Right Implementation

This tutorial walks through six practical techniques—@Qualifier, @Primary, @Profile, collection injection, @Priority, and custom @Conditional—to control which implementation of a Spring Boot interface is autowired, complete with code examples and usage tips.

JavaPrimaryQualifier
0 likes · 8 min read
Mastering Spring Boot Bean Selection: 6 Ways to Choose the Right Implementation
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Mar 1, 2024 · Backend Development

How to Precisely Choose a DAO Implementation in Spring: 8 Injection Techniques

This article explains eight practical ways to control which DAO implementation Spring injects, covering @Qualifier, bean naming, custom qualifiers, manual lookup, profile‑based beans, @Primary, and @Priority, with complete code examples for each method.

Custom AnnotationPrimaryQualifier
0 likes · 7 min read
How to Precisely Choose a DAO Implementation in Spring: 8 Injection Techniques
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Sep 28, 2021 · Backend Development

Mastering Spring Boot @Profile: Conditional Bean Registration Guide

This tutorial demonstrates how to use Spring Boot's @Profile annotation to conditionally register beans based on active profiles, covering simple configuration files, multi‑condition expressions, logical operators, and default profile handling with complete code examples.

Conditional BeanJavaSpringBoot
0 likes · 5 min read
Mastering Spring Boot @Profile: Conditional Bean Registration Guide
Java Architecture Diary
Java Architecture Diary
Aug 19, 2020 · Backend Development

What Changed in Spring Boot 2.4 Config File Processing?

Spring Boot 2.4 introduces a major overhaul of how application.properties and application.yml files are processed, adding deterministic document ordering, new profile activation keys, support for multi‑document properties, profile groups, import of external configuration, and Kubernetes‑aware volume mounts, while preserving backward compatibility through a legacy mode.

Spring BootYAMLconfiguration
0 likes · 12 min read
What Changed in Spring Boot 2.4 Config File Processing?
Ctrip Technology
Ctrip Technology
Sep 4, 2018 · Mobile Development

Custom Video Compression on iOS: Understanding H.264 Profiles, Levels and Implementation

This article introduces the fundamentals of video compression, analyzes the shortcomings of traditional iOS compression methods, explains H.264 profile and level concepts, examines device support, and provides a step‑by‑step custom iOS solution for controlling bitrate, resolution and frame rate.

AVFoundationH.264iOS
0 likes · 10 min read
Custom Video Compression on iOS: Understanding H.264 Profiles, Levels and Implementation