Tài liệu Dive Into Python-Chapter 5 Objects and Object-Orientation ppt

Tài liệu Dive Into Python-Chapter 5. Objects and Object-Orientation ppt

... a difficult time Chapter 5. Objects and Object-Orientation This chapter, and pretty much every chapter after this, deals with object-oriented Python programming. 5. 1. Diving In Here is a ... the same keys and values, and strings are equal when they are the same length and contain the same sequence of characters. For class instances, you can define the __cmp__ method and code the ... like, separated by commas. 5. 3.1. Initializing and Coding Classes This example shows the initialization of the FileInfo class using the __init__ method. Example 5. 5. Initializing the FileInfo...

Tài liệu Dive Into Python-Chapter 6. Exceptions and File Handling doc

... with for Loops Chapter 6. Exceptions and File Handling In this chapter, you will dive into exceptions, file objects, for loops, and the os and sys modules. If you've used exceptions ... file handling code in the fileinfo.py sample code from teh previous chapter. This example shows how to safely open and read from a file and gracefully handle errors. Example 6.6. File Objects ... file handling. 6.1. Handling Exceptions Like many other programming languages, Python has exception handling via try except blocks. Note Python uses try except to handle exceptions and raise...

Tài liệu Dive Into Python-Chapter 10. Scripts and Streams docx

... 10.2. Standard input, output, and error UNIX users are already familiar with the concept of standard input, standard output, and standard error. This section is for the rest of you. Standard ... sys.stdout.write(&apos ;Dive in') 2 Dive inDive inDive in >>> for i in range(3): sys.stderr.write(&apos ;Dive in') 3 Dive inDive inDive in 1 As you saw in Example 6.9, ... stdout and stderr >>> for i in range(3): print &apos ;Dive in' 1 Dive in Dive in Dive in >>> import sys >>> for i in range(3): sys.stdout.write('Dive...

Tài liệu Dive Into Python-Chapter 4. The Power Of Introspection ppt

... 4. 15. Introducing and >>> 'a' and 'b' 'b' >>> '' and 'b' '' >>> 'a' and 'b' and ... information about the __builtin__ module. And guess what, Python has a function called info. Try it yourself and skim through the list now. We'll dive into some of the more important functions ... to filter lists using the built-in filter function. 4.6. The Peculiar Nature of and and or In Python, and and or perform boolean logic as you would expect, but they do not return boolean...

Tài liệu Dive Into Python-Chapter 7. Regular Expressions doc

... accept:  800 -55 5-1212  800 55 5 1212  800 .55 5.1212  (800) 55 5-1212  1-800 -55 5-1212  800 -55 5-1212-1234  800 -55 5-1212x1234  800 -55 5-1212 ext. 1234  work 1-(800) 55 5.1212 #1234 Quite ... >>> phonePattern.search('800 -55 5-1212').groups() ('800', &apos ;55 5', '1212') >>> phonePattern.search('800 -55 5-1212-1234') >>> ... phonePattern.search('800 -55 5-1212-1234').groups() ('800', &apos ;55 5', '1212', '1234') >>> phonePattern.search('800 55 5 1212 1234') ...

Tài liệu Dive Into Python-Chapter 9. XML docx

... n-with-a-tilde-over-it (241), and u-with-two-dots-over-it ( 252 ). And unicode uses the same characters as 7-bit ASCII for 0 through 127, and the same characters as ISO-8 859 -1 for 128 through 255 , and then extends ... actually a list of 5 objects: 3 Text objects and 2 Element objects. The first child is a Text object representing the carriage return after the '<grammar>' tag and before the ... from there into characters for other languages with the remaining numbers, 256 through 655 35. When dealing with unicode data, you may at some point need to convert the data back into one of...

Tài liệu Dive Into Python-Chapter 8. HTML Processing doc

... download/diveintopython-html -5. 0.zip download/diveintopython-pdf -5. 0.zip download/diveintopython-word -5. 0.zip download/diveintopython-text -5. 0.zip download/diveintopython-html-flat -5. 0.zip ... subclasses SGMLParser and provides all 8 essential handler methods: unknown_starttag, unknown_endtag, handle_charref, handle_entityref, handle_comment, handle_pi, handle_decl, and handle_data. Example ... download/diveintopython-xml -5. 0.zip download/diveintopython-common -5. 0.zip rest of output omitted for brevity 1 Call the feed method, defined in SGMLParser, to get HTML into the parser.[1]...

Tài liệu Dive Into Python-Chapter 11. HTTP Web Services doc

... urllib.urlopen('http://diveintomark.org/xml/atom.xml').read() connect: (diveintomark.org, 80) 2 send: ' GET /xml/atom.xml HTTP/1.0 3 Host: diveintomark.org 4 User-agent: Python-urllib/1. 15 5 ' ... 'last-modified': 'Thu, 15 Apr 2004 19: 45: 21 GMT', 'etag': '"e842a-3e53 -55 d97640"', 'content-length': ' 159 55& apos;, 'accept-ranges': ... opener.open(request).read() 3 connect: (diveintomark.org, 80) send: ' GET /xml/atom.xml HTTP/1.0 Host: diveintomark.org User-agent: OpenAnything/1.0 +http://diveintopython.org/ 4 ' reply:...

Tài liệu java Data Access JDBC, JNDI, and JAXP pptx

... 100000. 75 1989−09−16 100 41987 654 1 Larry 150 0. 75 2001−03− 05 200 312 654 987 Lori 2000. 95 1999−01−11 300 123 456 789 Jimmy 3080. 05 1997−09−07 400 987 654 321 John 4 351 .27 1996−12−31 50 0 53 7642 256 Andy ... 254 Executing SQL commands using rowsets 255 Fetching data from a rowset 256 Traversing data in a rowset 256 Controlling scrollable and updateable properties 257 Setting transaction levels 257 Cleaning ... SSN: 41987 654 1, Name: Larry, Salary: $ 150 0.00Row Number=3, SSN: 312 654 987, Name: Lori, Salary: $2000. 95 Row Number=4, SSN: 123 456 789, Name: Jimmy, Salary: $3080.00Row Number =5, SSN: 987 654 321,...

Tài liệu Lab 1.2.5 Connecting Console Interfaces pptx

... Step 1 Identify connectors and components a. Examine the router and locate the RJ 45 connector labeled “Console”. 2 - 3 CCNA 2: Routers and Routing Basics v 3.0 - Lab 1.2 .5 Copyright  2003, Cisco ... 1 - 3 CCNA 2: Routers and Routing Basics v 3.0 - Lab 1.2 .5 Copyright  2003, Cisco Systems, Inc. Lab 1.2 .5 Connecting Console Interfaces Objective • Connect ... (COM 1 or 2) a. Examine the computer and locate a 9 or 25 pin male connector labeled serial. It may or may not be identified. Step 3 Locate the RJ 45- to-DB9 adapter Step 4 Locate or build...

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