Beginning PythonFrom Novice to Professional, Second Edition 2008 phần 3 pot

... length_message([1, 2, 3] ) The length of [1, 2, 3] is 3 Many functions and operators are polymorphic—probably most of yours will be, too, even if you don’t intend them to be. Just by using polymorphic ... 'years old' 1 13 ■ ■ ■ CHAPTER 6 Abstraction In this chapter, you learn how to group statements into functions, which enables you to tell the computer how to do some...

Ngày tải lên: 12/08/2014, 10:21

... title="Simple Editor", size=(410, 33 5)) win.Show() loadButton = wx.Button(win, label='Open', pos=(225, 5), size=(80, 25)) saveButton = wx.Button(win, label='Save', pos= (31 5, 5), ... vM.4.01. 03. 27 201-229-121-127-20010626) with ESMTP id <20041220002242.ADASD1 23. bar.baz@[ 43. 2 53. 124. 23] >; Thu, 20 Dec 2004 00:22:42 +0000 User-Agent: Microsoft-...

Ngày tải lên: 12/08/2014, 10:21

... 64.7 2008 01 4 .3 4.4 4.2 66.7 69.5 63. 8 2008 02 4.0 4.1 3. 9 66.1 68.9 63. 2 2008 03 4.2 4 .3 4.0 65.7 68.6 62.8 2008 04 4.6 4.8 4.4 65.7 68.6 62.7 2008 05 5.2 5.6 4.9 65.6 68.7 62.5 2008 06 5.8 6 .3 ... 62.0 2008 07 6 .3 7.1 5.5 64.9 68.4 61.4 2008 08 7.4 8.6 6 .3 65.1 68.9 61.2 2008 09 8.6 10.2 7.0 65.4 69.6 61.2 First Implementation In this first implementation,...

Ngày tải lên: 12/08/2014, 10:21

... calls REST and RPC, 34 6 SOAP, 34 6 with Pyro, 34 6 XML-RPC, 34 5 profile module, 258, 36 3 run method, 36 3, 36 4 profiling, 35 9, 36 2 36 3, 36 4 hotshot/profile/timeit modules, 36 3 625 ■INDEX head method, ... 36 5 36 6 architecture, 36 6 CPython, 36 7 encapsulation, 36 6 extending CPython, 36 9 37 1 extension approaches, 38 0 identifying bottlenecks, 36 5 IronPython, 36...

Ngày tải lên: 12/08/2014, 10:21

... might expect: >>> 1, 2, 3 (1, 2, 3) >>> print 1, 2, 3 1 2 3 >>> print (1, 2, 3) (1, 2, 3) This behavior can be very useful if you want to combine text and variable values ... make much sense to add an integer to a string, checking whether an integer is less than a string seems rather pointless. Oddly, in Python versions prior to 3. 0 you are al...

Ngày tải lên: 12/08/2014, 10:21

... require an object to belong to a cer- tain class or to implement a certain interface, Python often simply requires it to follow some given protocol. So, to be a sequence, all you have to do is follow ... >>> simple_generator <function simple_generator at 153b44> >>> simple_generator() <generator object at 1510b0> The iterator returned by the generat...

Ngày tải lên: 12/08/2014, 10:21

... need to wrap the directives like this (remember to use quotes around the path if you are a Windows user): <Directory /path /to/ your/directory> (Add the directives here) </Directory> The ... of to- do” or “continue here” for myself. This is really bad form if you’re developing together with others, though. You should never check failing code into the common code repository...

Ngày tải lên: 12/08/2014, 10:21

... assigning to its attributes (top, bottom, left, right, topleft, topright, bottomleft, bottomright, size, width, height, center, centerx, centery, midleft, midright, midtop, and midbottom) or ... demonstrates the syntax used to create dictionaries: phone = { "Alice" : 234 52 532 , "Boris" : 25 233 6, "Clarice" : 235 2525, "Doris" : 236 246 43 }...

Ngày tải lên: 12/08/2014, 10:21

... calendar.getTime(); 22. } 23. 24. public String getName() 25. { 26. return name; 27. } 28. 29. public double getSalary() 30 . { 31 . return salary; 32 . } 33 . 34 . public Date getHireDay() 35 . { 36 . return ... 5 ■ Inheritance 190 22. } 23. 24. abstract class Person 25. { 26. public Person(String n) 27. { 28. name = n; 29. } 30 . 31 . public abstract String get...

Ngày tải lên: 12/08/2014, 11:20

... Wireless Toolkit includes a document called “J2ME Wireless Toolkit Basic Customization Guide.” This guide describes how to add support for any obfuscator to the toolkit. Obfuscators tend to be ... descriptor is automatically generated when you click the Build button in the J2ME Wireless Toolkit. If you’re using the J2ME Wireless Toolkit, you won’t need to create the application de...

Ngày tải lên: 17/02/2014, 23:20