• Diff for "PyIAQ"

Differences between revisions 22 and 23

Deletions are marked like this. Additions are marked like this.
Line 18: Line 18:
 1. [:PyIAQ/Q4: Q:在python中 怎样才能写++x,x++那样?]["yongshunz"]  1. [:PyIAQ/Q4: Q:在python中 怎样才能写++x,x++那样?]

Python 罕见问题集 ::-- ZoomQuiet [2005-09-06 03:57:19]

Infrequently Answered Questions -- norvig.com

  • by Peter Norvig

  • 收集Python 极精细的特性问题！值得学习！

  • 大家来共同翻译吧！创建页面时使用 PyIAQ模板 是也乎…………

  1. Q: What is an Infrequently Answered Question?

  2. Q: finally子句里面代码是不是总是会被执行？ 100%-- huangyi

    • The code in a finally clause will never fail to execute, right?

  3. Q: Polymorphism is great; I can sort a list of elements of any type, right?

  4. Q:在python中 怎样才能写++x,x++那样?

  5. Q: Can I use C++'s syntax for ostreams: cout << x << y ... ?

  6. Q: What if I like C++'s printf?

  7. Q: 是否有一种更好的语法来编写字典文本?所有keys都是标识符。 未完成-- huangyi

    • Is there a better syntax for dictionary literals? All my keys are identifiers

  8. Q: Is there a similar shortcut for objects?

  9. Q: 创建对象很爽，但是如何更新？ 100%-- ZoomQuiet

    • That's great for creating objects; How about for updating?

  10. Q: Can I have a dict with a default value of 0 or [ or something?]

  11. Q: 嘿, 你可以在0.007kb以内的代码里转置一个矩阵吗? 95%-- huangyi

    • Hey, can you write code to transpose a matrix in 0.007KB or less?

  12. Q: f(*m)这个技巧确实不错。不知道这个语法是否可以用在方法调用上, 比如 x.f(*y)? todo-- huangyi

    • The f(*m) trick is cool. Does the same syntax work with method calls, like x.f(*y)?

  13. Q: Can you implement abstract classes in Python in 0 lines of code? Or 4?

  14. Q: How do I do Enumerated Types (enums) in Python?

  15. Q: Why is there no ``Set'' data type in Python?

  16. Q: 我能在python里使用布尔型数据吗?

  17. Q: Can I do the equivalent of (test ? result : alternative) in Python?

  18. Q: What other major types are missing from Python?

  19. Q: How do I do the Singleton Pattern in Python?

  20. Q: Is no "news" good news?

  21. Q: Can I have a history mechanism like in the shell?

  22. Q: How do I time the execution of my functions?

  23. Q: What does your .python startup file look like?

  24. Q: 我该怎样往 类里传递参数?

  25. Q: 当我试图调用类里的方法时,出现错误了？