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

Java Optional Best Practices

Table of Contents

• map vs flatMap
• Filter out Optional.empty() from a stream of Optional
• Call chains of nullable API
• orElse, orElseGet, orElseThrow
• When to (not) use Optional in API?
• Other Tips about Optional
• Methods of Optional
• New methods after Java 8
• When work with legacy code
• Example of Using Optinonal

Linux File Manager Nemo Tips and Tricks

Table of Contents

• Nemo Shortcuts
• Customize Left Side Bar
• Customize Nemo
• Nemo Features
• Other Nemo Tips

Spell and Grammar Check for Markdown

Table of Contents

• Spelling/Grammar Check
• Atom
• app.grammarly.com
• Grammarly Extension
• Others