How to Improve Problem Solving Skills - A Developer's Guide

How to Improve Problem Solving Skills

Jeffery Yuan

April 24, 2019

Table of Contents

• Why Problem-solving skills matters
  • Problem Solving and troubleshooting
  • Solve the Problem when Needed
• How to Solve a Problem
  • Understand the Problem/environment First
  • Check the Log and Error Message
  • Case Study – The Log and Error Message
    • Problem: Failed to talk Cassandra server: 10.10.10.10
  • Source code is always the ultimate truth
  • Reproduce the problem
  • Solving Problem from Different Angles
  • Find Information Effectively
  • Find Information Effectively Cont.
  • How to Troubleshoot and Debug
  • Resource About Troubleshooting
  • Urgent Issues in Production
• Ask for help
  • Before
  • Where and Who
  • How to Ask Help
  • Learn more
  • Fix same/similar/related problems in other places
• Knowledge & Tools
  • Knowledge
  • Knowledge cont.
    • Common Problems
  • Tools - Eclipse
  • Practice - Connect to the remote data in local dev
  • Tools - Decompiler
  • Tools - Java
  • Tools - Splunk
  • Tools - Misc
• Problem Solving in Practice
  • Example: Redis cache.put Hangs
  • Practice - Iterator vs Iterable
  • Practice - Iterator vs Iterable
  • Practice 2 - Spring Cacheable Not Working
• Post Mortem
  • Reflection: Lesson Learned
  • Think More
• Bonus
  • Building Troubleshooting-Friendly Application
  • How to write test efficiently
• The End
  • This presentation was built using Reveal.js, Markdown and Github Pages

How to Improve Design Skills

Jeffery Yuan

April 26, 2019

Table of Contents

• Agenda
• How to Design
  • How to Design
  • How to Design
• Reflection – Lesson Learned
  • Reflection – Lesson Learned
  • Reflection – Lesson Learned
• System Design Principles
  • System Design Principles
  • System Design Principles Cont.
  • System Design Principles Cont.
• Learning from Open Source
  • Learning from Open Source
  • Cassandra
  • Cassandra Cont.
  • Kafka
  • Database
  • Learning from Existing Products
• System Design Practices
  • System Design Practices
  • System Design Practices
• Resource
  • Resource
  • Resource Cont.

How to Improve Your Skills as a Programmer

Jeffery Yuan

April 25, 2019

Table of Contents

• Skills that are important for engineers
• Learn from others
• Learn how to do daily work better
  • Learn how to do daily work better
  • Learn how to do daily work better Cont.
• Learn the things you use
• Learn the tools you use everyday
  • Learn the tools you use everyday
• Mentoring/teaching
• Share your knowledge
• Communication Skills
• What to learn