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Senior Tony

Former senior tech manager at Meituan, ex‑tech director at New Oriental, with experience at JD.com and Qunar; specializes in Java interview coaching and regularly shares hardcore technical content. Runs a video channel of the same name.

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Latest from Senior Tony

66 recent articles

Senior Tony

Aug 12, 2023 · Databases

Mastering SQL Optimization: 15 Practical Tips to Supercharge Your Queries

This article presents a comprehensive guide to SQL performance tuning, covering real‑world interview scenarios, deep‑pagination pitfalls, and fifteen concrete optimization techniques—including index usage, limit tricks, proper joins, batch operations, and data‑type choices—to help developers write faster, more efficient MySQL queries.

Database OptimizationPerformance tuningSQL

0 likes · 12 min read

Mastering SQL Optimization: 15 Practical Tips to Supercharge Your Queries

Senior Tony

Aug 9, 2023 · Backend Development

Why Netty Powers Modern Java Back‑ends: A Deep Dive into Its Architecture

This article explains what Netty is, why it’s essential for Java back‑end development, details its core components and high‑performance mechanisms such as the Reactor model, Zero‑Copy and object pooling, and shows how Netty handles TCP framing issues with practical decoding solutions.

JavaNettyReactor Pattern

0 likes · 9 min read

Why Netty Powers Modern Java Back‑ends: A Deep Dive into Its Architecture

Senior Tony

Jul 29, 2023 · Fundamentals

Essential Coding Habits Every Engineer Should Master

The article outlines practical coding habits—thorough input validation, comprehensive logging, careful RPC handling, batch processing, cautious SQL execution, safe extensions, disciplined refactoring, minimal dependencies, data consistency, and avoiding over‑engineering—to help engineers write reliable, maintainable code.

Batch ProcessingData ConsistencyRPC

0 likes · 9 min read

Essential Coding Habits Every Engineer Should Master

Senior Tony

Jul 23, 2023 · Backend Development

Master JVM Tuning: Balancing Pause Time, Throughput, and Memory Usage

This article explains the core trade‑offs of JVM tuning—short pause times versus high throughput—provides quantitative goals, outlines when tuning is needed, details step‑by‑step optimization procedures, and lists common GC strategies and command‑line parameters for effective Java performance tuning.

Garbage CollectionJVMJava

0 likes · 12 min read

Master JVM Tuning: Balancing Pause Time, Throughput, and Memory Usage

Senior Tony

Jul 15, 2023 · R&D Management

What Interviewers Really Look for in Your Self‑Introduction (and How to Nail It)

The article reveals why interviewers—often busy, lazy, or even harsh—quickly form opinions based on candidates' self‑introductions, outlines common pitfalls such as overly long or self‑indulgent pitches, and provides a concise, eight‑element formula plus practical practice tips for delivering an effective introduction.

InterviewSoftwarecareer

0 likes · 9 min read

What Interviewers Really Look for in Your Self‑Introduction (and How to Nail It)

Senior Tony

Jul 12, 2023 · Databases

Master MySQL Step‑by‑Step: From Beginner to Expert

This guide outlines a five‑level learning path for MySQL, starting with installation and basic queries, progressing through proficient use, deep understanding of locks, indexes and transactions, advanced performance tuning, and finally product‑level redesign, while recommending essential books and resources.

Database DesignDatabase Learning PathPerformance Optimization

0 likes · 9 min read

Master MySQL Step‑by‑Step: From Beginner to Expert