taking a deep dive into app v
Dive Into Python-Chapter 12. SOAP Web Services
... Source) at org.apache.soap.server.RPCRouter.invoke(RPCRouter.java:146) at org.apache.soap.providers.RPCJavaProvider.invoke( RPCJavaProvider.java:129) at org.apache.soap.server.http.RPCRouterServlet.doPost( ... java.lang.reflect.Method.invoke(Unknown Source) at org.apache.soap.server.RPCRouter.invoke(RPCRouter.java:146) at org.apache.soap.providers.RPCJavaProvider.invoke( RPCJavaProvider.java:129) at org.apache.soap.server.http.RPCRouterServlet.doPost( ... org.apache.soap.server.http.RPCRouterServlet.doPost( RPCRouterServlet.java:288) at javax.servlet.http.HttpServlet.service(HttpServlet.java:760) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)...
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Dive Into Python-Chapter 13. Unit Testing
... values are equal, assertEqual will nothing If every value returned from toRoman matches the known value you expect, assertEqual never raises an exception, so testToRomanKnownValues eventually exits ... take a valid Roman numeral and return the number that it represents fromRoman should fail when given an invalid Roman numeral Requirement #4 is handled in the same way as requirement #1, iterating ... uppercase Roman numerals (i.e it should fail when given lowercase input) In fact, they are somewhat arbitrary You could, for instance, have stipulated that fromRoman accept lowercase and mixed case...
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Dive Into Python-Chapter 14. Test-First Programming
... character can not be repeated four times) 90 is XC, 900 is CM The fives characters can not be repeated 10 is always represented as X, never as VV 100 is always C, never LL Roman numerals are always ... was a failure, because the call to fromRoman did not raise the InvalidRomanNumeral exception that assertRaises was looking for 14.2 roman.py, stage Now that you have the framework of the roman ... the trace information showing exactly what happened In this case, the call to assertRaises (also called failUnlessRaises) raised an AssertionError because it was expecting toRoman to raise an OutOfRangeError...
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Dive Into Python-Chapter 15. Refactoring
... testFromRomanKnownValues result = roman71.fromRoman(numeral) File "roman71.py", line 47, in fromRoman raise InvalidRomanNumeralError, 'Invalid Roman numeral: %s' % s InvalidRomanNumeralError: Invalid ... """convert Roman numeral to integer""" if not s: raise InvalidRomanNumeralError, 'Input can not be blank' if not romanNumeralPattern.search(s): raise InvalidRomanNumeralError, 'Invalid Roman numeral: ... 'LC'): self.assertRaises(roman71.InvalidRomanNumeralError, roman71.fromRoman, s) def testBlank(self): """fromRoman should fail with blank string""" self.assertRaises(roman71.InvalidRomanNumeralError,...
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Dive Into Python-Chapter 16. Functional Programming
... 'sys.argv[0] =', sys.argv[0] pathname = os.path.dirname(sys.argv[0]) print 'path =', pathname print 'full path =', os.path.abspath(pathname) Regardless of how you run a script, sys.argv[0] will always ... pathname, which can be partial or even blank, and returns a fully qualified pathname os.path.abspath deserves further explanation It is very flexible; it can take any kind of pathname Example 16.4 ... always contain the name of the script, exactly as it appears on the command line This may or may not include any path information, as you'll see shortly os.path.dirname takes a filename as a string...
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Dive Into Python-Chapter 17. Dynamic functions
... values, and you assign those values to local variables And then you yield What you yield? A function, built dynamically with lambda, that is actually a closure (it uses the local variables pattern, ... 'ies', 'vacancy') 'vacancies' >>> re.sub('y$', 'ies', 'agency') 'agencies' >>> re.sub('([^aeiou])y$', r'\1ies', 'vacancy') 'vacancies' This regular expression turns vacancy into vacancies and agency ... assign that to a, but also calculate the next value (a+ b) and assign that to b for later use Note that this happens in parallel; if a is and b is 5, then a, b = b, a+ b will set a to (the previous...
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Dive Into Python-Chapter 18. Performance Tuning
... must always be balanced against threats to your program's readability and maintainability 18.7 Summary This chapter has illustrated several important aspects of performance tuning in Python, and ... that we're going to truncate the result to four characters, and we know that we already have at least one character (the initial letter, which is passed unchanged from the original source variable) ... most obvious solution is to define a dictionary with individual characters as keys and their corresponding digits as values, and dictionary lookups on each character This is what we have in soundex/stage1/soundex1c.py...
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Dive Into Python-Chapter 1. Installing Python
... You can also assign values to variables, and the values will be remembered as long as the shell is open (but not any longer than that) 1.9 Summary You should now have a version of Python installed ... RedHat Linux Installing under UNIX-compatible operating systems such as Linux is easy if you're willing to install a binary package Pre-built binary packages are available for most popular Linux ... It's an interpreter for scripts that you can run from the command line or run like applications, by double-clicking the scripts But it's also an interactive shell that can evaluate arbitrary statements...
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Dive Into Python-Chapter 2. Your First Python
... requiring you to declare all variables with their datatypes before using them Java and C are statically typed languages dynamically typed language A language in which types are discovered at execution ... statically typed VBScript and Python are dynamically typed, because they figure out what type a variable is when you first assign it a value strongly typed language A language in which types are ... None), and all functions start with def The argument, params, doesn't specify a datatype In Python, variables are never explicitly typed Python figures out what type a variable is and keeps track...
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Dive Into Python-Chapter 3. Native Datatypes
... brace yourself for Python lists A list in Python is like an array in Perl In Perl, variables that store arrays always start with the @ character; in Python, variables can be named anything, and ... being assigned a value, and they are automatically destroyed when they go out of scope Example 3.17 Defining the myParams Variable if name == " main ": myParams = {"server":"mpilgrim", \ "database":"master", ... you can pass other parameters to specify a base other than and a step other than You can print range. doc for details.) MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY, and SUNDAY are...
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A contrastive investigation into linguistic features of socio cultural propaganda slogans in english and vietnamese
... the aims as well as the formats of propaganda slogans in English and Vietnamese are partially similar, their grammatical, semantic, and pragmatic features are different to a certain degree As an ... LANGUAGE OF PROPAGANDA Propaganda language used in written slogans must be brief, attractive, persuasive, honest, condensed and officially associated with the national language so that it can ... the language of advertising, advertising campaign with proper slogans, and even linguistic feature in term of grammatical structure and vocabulary In Vietnam, Mai Xuan Huy [44] discusses advertising...
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Tài liệu Dive Into Python-Chapter 4. The Power Of Introspection ppt
... make an instance evaluate to false You'll learn all about classes and special methods in Chapter If all values are true in a boolean context, and returns the last value In this case, and evaluates ... of a valid function, and the next line that attempts to call that function will crash and raise an exception That's bad Luckily, getattr takes an optional third argument, a default value Example ... okay, because a lambda function is always true in a boolean context (That doesn't mean that a lambda function can't return a false value The function is always true; its return value could be anything.)...
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Tài liệu Dive Into Python-Chapter 5. Objects and Object-Orientation ppt
... instance of the class tagDataMap is a class attribute: literally, an attribute of the class It is available before creating any instances of the class Class attributes are available both through ... the class and through any instance of the class In Java, both static variables (called class attributes in Python) and instance variables (called data attributes in Python) are defined immediately ... wrapper class: store a real dictionary (data) as a data attribute, define all the methods that a real dictionary has, and have each class method redirect to the corresponding method on the real...
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Tài liệu Dive Into Python-Chapter 7. Regular Expressions doc
... The fives characters can not be repeated The number 10 is always represented as X, never as VV The number 100 is always C, never LL Roman numerals are always written highest to lowest, and read ... it as XCIX, for 10 less than 100, then less than 10) 7.3.1 Checking for Thousands What would it take to validate that an arbitrary string is a valid Roman numeral? Let's take it one digit at a ... from a compact regular expression in two ways: Whitespace is ignored Spaces, tabs, and carriage returns are not matched as spaces, tabs, and carriage returns They're not matched at all (If...
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Tài liệu Dive Into Python-Chapter 9. XML docx
... Examples: kgp.py generates several paragraphs of Kantian philosophy kgp.py -g husserl.xml generates several paragraphs of Husserl kpg.py "" generates a paragraph of Kant ... dom package (a nested package of xml) as a module in and of itself Any level of a package can be treated as a module, as you'll see in a moment It can even have its own attributes and methods, ... provide a way to logically group related modules Instead of having an xml package with sax and dom packages inside, the authors could have chosen to put all the sax functionality in xmlsax.py and...
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Tài liệu Building a monitoring system into your scripts ppt
... relationships are doable in two clicks and a drag Many-to-many relationships require a comparable amount of work, but automatically create the association mapping table, which saves a fair bit of ... uploaded a file called listing4.php in the var2 variable It was 921 bytes in length - POST variable submitted: var1=data1 SECOND CURL OUTPUT: - GET variable submitted: var3=data3 - COOKIE variable ... application is in the PersonDisplay class, which will be used statically I have also included a small installer program that will add the necessary database and tables for testing the application...
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Tài liệu Dive Into Python-Chapter 6. Exceptions and File Handling doc
... ord)} if tagdata[:3] == "TAG": for tag, (start, end, parseFunc) in self.tagDataMap.items(): self[tag] = parseFunc(tagdata[start:end]) tagDataMap is a class attribute that defines the tags you're ... function that compensates for case-insensitive operating systems that think that mahadeva.mp3 and mahadeva.MP3 are the same file For instance, on Windows and Mac OS, normcase will convert the entire ... could have simply said read() here, since you know exactly where you are in the file and you are, in fact, reading the last 128 bytes.) The read data is assigned to the tagData variable, and the...
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Tài liệu Dive Into Python-Chapter 8. HTML Processing doc
... the values of those variables In fact, you can access a namespace as a Python dictionary, as you'll see in a minute At any particular point in a Python program, there are several namespaces available ... proclaiming that all pages must validate against an HTML validator Unquoted attribute values are a common violation of the HTML standard.) Whatever the reason, unquoted attribute values are easy ... important, so pay attention Python uses what are called namespaces to keep track of variables A namespace is just like a dictionary where the keys are names of variables and the dictionary values are...
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Tài liệu Dive Into Python-Chapter 10. Scripts and Streams docx
... find a grammar file, either with a -g flag or a grammar flag, you save the argument that followed it (stored in arg) into the grammar variable, overwriting the default that you initialized at ... grammar file and source that may or may not have been specified on the command line k = KantGenerator(grammar, source) The KantGenerator instance automatically loads the grammar, which is an ... Well, that all seems like a colossal waste of time After all, you've already seen that minidom.parse can simply take the filename and all the opening and closing nonsense automatically And it's...
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Tài liệu Dive Into Python-Chapter 11. HTTP Web Services doc
... download the same data over and over again if it hasn't changed; the server assumes you have the data cached locally All modern web browsers support last-modified date checking If you've ever visited ... built and stored statically, or generated dynamically by a server-side script, and all major languages include an HTTP library for downloading it Debugging is also easier, because you can load up ... request and read arbitrary headers in each response, you can add support for it yourself 11.3.4 ETag/If-None-Match ETags are an alternate way to accomplish the same thing as the lastmodified date...
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