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星期日, 7月 25, 2010. Python] Patterns in Python. 那本四人幫的經典是1995年出版的居然已經歷經15年了實在是太可怕了. 雖然Design Pattern並非銀彈也極容易被濫用但是還是一個很重要的思維的參考與轉變. 在不同的語言下會有不同的Pattern的實作甚至根本不需要因為語言本身就直接解決. 像是Observer Pattern.在C#直接可以用delegate/event解決. 雖然都了解Pattern大概的concept 但是每當換一個語言要implement的時候還是傻眼. 不知從何開始. 最近在寫Python. 在網路上找到這一篇倒是挺有趣的. Patterns in Python. 大概讀完了文章就來作個紀錄還有英翻中複習Patterns吧. 主要的精神把Create objects獨立出來單一窗口回傳一個符合基本interface的object. 單一窗口內要怎麼create不同的objects 可以一直改變. Class Instrument(object): InstrumentPool = weakref.

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Implementer | holamann.blogspot.com Reviews

<META> DESCRIPTION

星期日, 7月 25, 2010. Python] Patterns in Python. 那本四人幫的經典是1995年出版的居然已經歷經15年了實在是太可怕了. 雖然Design Pattern並非銀彈也極容易被濫用但是還是一個很重要的思維的參考與轉變. 在不同的語言下會有不同的Pattern的實作甚至根本不需要因為語言本身就直接解決. 像是Observer Pattern.在C#直接可以用delegate/event解決. 雖然都了解Pattern大概的concept 但是每當換一個語言要implement的時候還是傻眼. 不知從何開始. 最近在寫Python. 在網路上找到這一篇倒是挺有趣的. Patterns in Python. 大概讀完了文章就來作個紀錄還有英翻中複習Patterns吧. 主要的精神把Create objects獨立出來單一窗口回傳一個符合基本interface的object. 單一窗口內要怎麼create不同的objects 可以一直改變. Class Instrument(object): InstrumentPool = weakref.

<META> KEYWORDS

1 implementer

2 design pattern

3 factory pattern

4 random這個module可以隨時被抽換

5 呵我倒還沒真的想過這樣使用

6 singleton

7 這是最易懂卻難實作的pattern了

8 在python的話直接貼上文上的範例就不多作解釋了

9 flyweight

10 實作如下值得一提的是它用的是weak reference

CONTENT

Page content here

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implementer,design pattern,factory pattern,random這個module可以隨時被抽換,呵我倒還沒真的想過這樣使用,singleton,這是最易懂卻難實作的pattern了,在python的話直接貼上文上的範例就不多作解釋了,flyweight,實作如下值得一提的是它用的是weak reference,observer,主要是實作delegate跟event,我之前也有找了很多delegate/event的實作體,中文看完就看似比較懂一點,好啦複習結束

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Implementer | holamann.blogspot.com Reviews

https://holamann.blogspot.com

星期日, 7月 25, 2010. Python] Patterns in Python. 那本四人幫的經典是1995年出版的居然已經歷經15年了實在是太可怕了. 雖然Design Pattern並非銀彈也極容易被濫用但是還是一個很重要的思維的參考與轉變. 在不同的語言下會有不同的Pattern的實作甚至根本不需要因為語言本身就直接解決. 像是Observer Pattern.在C#直接可以用delegate/event解決. 雖然都了解Pattern大概的concept 但是每當換一個語言要implement的時候還是傻眼. 不知從何開始. 最近在寫Python. 在網路上找到這一篇倒是挺有趣的. Patterns in Python. 大概讀完了文章就來作個紀錄還有英翻中複習Patterns吧. 主要的精神把Create objects獨立出來單一窗口回傳一個符合基本interface的object. 單一窗口內要怎麼create不同的objects 可以一直改變. Class Instrument(object): InstrumentPool = weakref.

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Implementer: [Python] Debugging Python by PDB

http://holamann.blogspot.com/2010/06/python-debugging-python-by-pdb.html

星期四, 6月 24, 2010. Python] Debugging Python by PDB. 最近寫Python寫到快瘋了. 被Visual Studio寵壞的我. Debugging更痛苦. 所以下定決定好好研究一下python debugging 的技巧. The Python debugger � Python Conquers The Universe. 在code任何地方可以下中斷點 by inserting the line below. Pdbset trace # 但記得要import pdb. 2 然後就可以直接執行程式了 python your program.py. 3 就會進入 (Pdb) 這時候就可以開始用console來debugging了. N : next statement. ENTER] : repeat last debugging command. Q: quit the debugging. P : print. (example: p a,b,c). L : list the current line of program.

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Implementer: 三月 2008

http://holamann.blogspot.com/2008_03_01_archive.html

星期三, 3月 19, 2008. Concept] Difference between Composition and Aggregation. 結論就是Aggregation跟Composition 都是一種Association，一種owner ship的概念. 只是Composition是更強烈的Ownership 主要是生命週期是一起的. 而Aggregation就不是. Public class classA - > Composition. ClassB B = new ClassB(). Public class classA - >Aggregation. ClassB *m pB;. M pB = pB; / lifecycle is not the same with parent! 訂閱：文章 (Atom). Concept] Difference between Composition and Aggre. Picture Window範本. 範本圖片製作者： sbayram.

3

Implementer: [Django] Very Good Introduction to Django

http://holamann.blogspot.com/2010/06/django-very-good-introduction-to-django.html

星期二, 6月 15, 2010. Django] Very Good Introduction to Django. Python and Django: Fast and easy web application development. 訂閱：張貼留言 (Atom). Django] Django Web Framework Introduction. Python] Debugging Python by PDB. Python] Python Profilers in Default. Django] Middle Concept and Introduction. Django] Django Deployment with Fabric. Django] Very Good Introduction to Django. Django] Django Con High Performance Django. Django] Debugging Django Slide. Picture Window範本. 範本圖片製作者： sbayram.

4

Implementer: [Django] Django Deployment with Fabric

http://holamann.blogspot.com/2010/06/django-django-deployment-with-fabric.html

星期二, 6月 15, 2010. Django] Django Deployment with Fabric. Django Deployment with Fabric. 這一篇Slide 有點相見恨晚因為很多東西我已經走過一遭不過看完之後也能印證很多想法大家看法一致 . 在網路上有找到一篇跟我類似想法的人也做了跟fabric有關的deployement 可參考. Http:/ morethanseven.net/2009/07/27/fabric-django-git-apache-mod/wsgi-virtualenv-and-p.html. 訂閱：張貼留言 (Atom). Django] Django Web Framework Introduction. Python] Debugging Python by PDB. Python] Python Profilers in Default. Django] Middle Concept and Introduction. Django] Django Deployment with Fabric.

5

Implementer: [Django] Django Web Framework Introduction

http://holamann.blogspot.com/2010/06/django-django-web-framework.html

星期五, 6月 25, 2010. Django] Django Web Framework Introduction. The Django Web Application Framework. 訂閱：張貼留言 (Atom). Django] Django Web Framework Introduction. Python] Debugging Python by PDB. Python] Python Profilers in Default. Django] Middle Concept and Introduction. Django] Django Deployment with Fabric. Django] Very Good Introduction to Django. Django] Django Con High Performance Django. Django] Debugging Django Slide. Picture Window範本. 範本圖片製作者： sbayram.

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星期日, 7月 25, 2010. Python] Patterns in Python. 那本四人幫的經典是1995年出版的居然已經歷經15年了實在是太可怕了. 雖然Design Pattern並非銀彈也極容易被濫用但是還是一個很重要的思維的參考與轉變. 在不同的語言下會有不同的Pattern的實作甚至根本不需要因為語言本身就直接解決. 像是Observer Pattern.在C#直接可以用delegate/event解決. 雖然都了解Pattern大概的concept 但是每當換一個語言要implement的時候還是傻眼. 不知從何開始. 最近在寫Python. 在網路上找到這一篇倒是挺有趣的. Patterns in Python. 大概讀完了文章就來作個紀錄還有英翻中複習Patterns吧. 主要的精神把Create objects獨立出來單一窗口回傳一個符合基本interface的object. 單一窗口內要怎麼create不同的objects 可以一直改變. Class Instrument(object): InstrumentPool = weakref.

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