python design patterns book

I sold a copy of ". NET and design patterns" a few days ago, and I thought it was quite good. This book uses a large number of practical applications to describe the application of design patterns in actual development. I have also bought the

I'm glad my first book was published by Turing Press. This book summarizes my years of framework study, research summary, inside pure dry, no nonsense.For details of the book, see the sales page of the interactive network: http://product.china-pub.com/3770890Best Recommendation:"The greatest value of this book is to te

Working for n years, suddenly wanted to comb the knowledge about design and architecture. I would like to ask if there is any good book or material in this respect, more about the actual work, worthy of recommendation of excellent practice. Originally felt like "Enterprise Application Architecture Model" good, just a bit of translation is a little hehe, look very tired. Reply content: Working for n yea

inheritance relationship between the two roles into the aggregation relationship, the strong association between them is changed to weak association;(P185)Bridging in bridge mode is one-way, that is, the object that can only be an abstract part to use the concrete realization part of the object, but not in turn;(P194)from a more essential point of view, basically as long as the Java program for the abstract writing, can be regarded as the application of bridge mode, is to let the abstraction an

inheritance relationship between the two roles into the aggregation relationship, the strong association between them is changed to weak association;(P185)Bridging in bridge mode is one-way, that is, the object that can only be an abstract part to use the concrete realization part of the object, but not in turn;(P194)From a more essential point of view, basically as long as the Java program for the abstract writing, can be regarded as the application of bridge mode, is to let the abstraction an

observers, that is, dependent objects, each time data changes, these 2 view will changeclassHexviewer (object):defUpdate (self, subject):Print 'hexviewer:subject%s has data 0x%x'%(Subject.name, Subject.data)classDecimalviewer (object):defUpdate (self, subject):Print 'decimalviewer:subject%s has data%d'%(Subject.name, Subject.data)if __name__=='__main__': Data1= Data ('Data 1') Data2= Data ('Data 2') View1=decimalviewer () view2=hexviewer () Data1.attach (view1) Data1.attach (view2) Data2.attach

(self) self.engine.accept (visitor) self.body.accept (Visito R) forWheelinchself.wheels:wheel.accept (visitor)#This is our visitor, and every change is here .classPrintvisitor:defVisitwheel (self, Wheel):Print "Visiting"+wheel.name+"Wheel" defVisitengine (self, Engine):Print "Visiting engine" defvisitbody (self, body):Print "Visiting Body" defVisitcar (self, car):Print "Visiting Car"if __name__=='__main__': Car=Car () visitor=printvisitor () car.accept (visitor)Learn some

The appearance pattern of design patterns in Python advocates less coupling with multiple modules for code management, and is illustrated with examples below. Application Features: When many complex and small functions need to invoke requirements, and these calls often have a certain relevance, that is, a call is a series of. Structural characteristics: The orig

):def __init__(self): Self.name='Processserver'self.state=state.newdefboot (self):Print('booting the {}'. Format ( self) self.state=state.runningdefKill (Self, restart=True):Print('killing {}'. Format ( self) self.state= Stae.restartifRestartElseState.zobmiedefcreate_process (self, user, name):Print("trying to create process ' {} ' for user ' {} '". Format (name, user)classWindowsServer:PassclassNetworkserver:PassclassOperatingSystem:def __init__(self): Self.fs=fileserver () self.ps=Processserve

particularly understanding of the design pattern, however, from freshman to now also do 5 years of programmers, for a particularly large project has not been contacted, but for small and medium-sized software design model to be used with caution, from the sophomore read "Agile Software Development", has always felt that the book said particularly good, Although

First Lecture: 1. Object-oriented design patterns and principles Introduction to Design Patterns: Each pattern describes a problem that recurs around us, and the core of the solution to the problem.--christopher alexander{Architect} Software designers ' understanding of the concept of

simple point design, the state into the door state, stop state and operating state, the operation is divided into open door, closed, run, stop, the process is also very complex. First of all, the open door state can not open, run, stop, stop the state can not be closed, stop, operation status can not open, close, run. To use a if...else ... Implementation, first code confusion, difficult to maintain, and the second is not easy to expand. As for the v

_remove_stop_words (self,words):Raise Notimplementederrordef _stem_words (self,words):Raise Notimplementederrordef _frequency (self,setemmed_words):counts={}For word in Setemmed_words:Counts[word]=counts.get (word,0) +1#BasicIndex实现如下:From Itertools import GroupByClass Basicindex (Indexer):_stop_words= (' He ', ' she ', ' is ', ' and ', ' or ')def _remove_stop_words (self,words):return (word for word in words if Word is not in self._stop_words)def _stem_words (self,words):Return ((Len (word) >2

#-*-Coding:utf-8-*-__author__ = ' Administrator '#python高级编程: A useful design pattern#设计械是可复用的, some of the most popular books in a program that provide language-related solutions to the problems of software design awareness:"""Gamma, Heim, Johson and Vlissides a.k.a "Foursome (GOF)" written elements of reusable object-oriented software (Chinese:It is considered

python programming: Creating high-quality programs using design patterns, concurrency, and librariesDirectory 1 Create design mode 2 structural design mode 3 behavioral design mode 4 advanced con