Chapter 12 Lessons Learned

py server interview summary

Course content Review

Curriculum system (on)

• Interview Skills

• py language articles

• Algorithms and Data Structures articles

• Programming paradigm articles

• Operating System articles

Curriculum system (under)

• Network Programming articles

• Articles database

• Web Part Framework

• System design articles

• Interview Experience

• py basis of high frequency test sites

• py language study basis points

• py characteristics: decoration, a generator with coroutine, exception handling

• Common built-in module: collections modules

• Cpython interpreter: GIL, memory management

• Algorithms and Data Structures-frequency test sites

• py algorithms and data structures inspection point: learn handwriting algorithm problem

• Commonly built structure: list / tuple / set / dict, collections module

• Often test algorithm: fast row, merge, heap sort and other advanced sorting algorithm

• Often test data structures: linked lists, binary trees, stacks, queues

• Programming paradigm high-frequency test sites
  • Programming paradigms: OOP

  • Object-oriented basis, to achieve class py

  • Decorator

  • Singleton handwritten

• OS-frequency test sites
  • linux
    • Common linux command: top / kill / ps
    • The difference between threads and processes
    • Operating system memory management mechanism

• Network high-frequency test sites

• Network protocols and network programming foundation
  • Network protocols: TCP / UDP / HTTP
  • Multiplexing and concurrent programming
  • py concurrent network frame: Tornado / Gevent / Asyncio
• Database high-frequency test sites
  • mysql + redis is the key
    • mysql base and indexing works
    • Write SQL statements
    • Cache, Redis and principles of use

• Py Web frame frequency test sites

  Common web framework Django / Flask / Tornado at least a skilled

  • Comparison of different frame WSGI
  • Common network security issues SQL injection / XSS / CSRF
  • RESTful
• Design high-frequency test sites
  • Design three elements: a scene limits data access design, design algorithm
  • Short URL system, spike system, comment system
  • Answer Key: illustrations, architectural design

Top priority

• Algorithms and data structures, brush interview questions

• Database (relational + memory type)

• Network protocols and network programming

• Storage-related: For mysql, redis, memcache and other understanding and application capabilities
• web / network-related: For the http protocol and network related to webserver, load balancing

• Knowledge System: linux memory allocation method, CPU scheduling, tcp / ip realization