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Python 史话 - pc01的专栏 - CSDN博客 - 0 views

  • Python /pi:'thon/ 用作者的话说, Python是另一个脚本语言,另一个Perl。 Python的设计崇尚简洁和优雅,它主要吸引那些觉得Perl 丑陋怪异的程序员。Python \Py"thon\, n. Python是卧在特尔斐阿波罗神殿的毒蛇的名字。Python一种大型蟒蛇。
  • Python是一种解释型、交互式、面向对象的通用编程语言,它的标识是一条可爱的大蟒蛇。我们经常拿它和Tcl、Perl、Scheme、Java 比较:Python有非常清晰的语法,先进的面向对象设计,拥有模块、类、异常处理、动态执行和高级数据类型。强大的标准库涵盖了字串处理(正则表达式)、网络协议(HTTP, FTP, SMTP,XML-RPC, POP, IMAP)、软件工程(敏捷开发,单元测试,logging)、操作系统接口(系统调用,文件系统,数据库)的方方面面。此外它还拥有大量的第三方扩展库和庞大活跃的社群支持,比如图形库PIL,跨平台GUI框架wxPython,应用服务器Zope,网络框twisted,3D支持PyOpenGL。简单,强大,开放和免费,就是使用Python最好的理由。
  • Guido van Rossum 是Python语言的作者。据称Guido 因喜爱英国BBC每周滑稽剧Monty Python'sFlying Circus 而命名Python。象Linux 和Delphi这类单词的发音总是另人迷惑,Python社区称Python为派森[音],称Guido为奎多[音]的占了大多数。
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  • Gudio 的主页上面题有:笨拙并以此为荣(Gawkyand proud of it)。他推崇开放和自由,喜欢印有YouNeed Python的文化衫和PYTHON的车牌,主张Computer Programming for Everybody,让Python为我们开心地工作。
  • 开发小组成员利用邮件列表python-dev和新闻组comp.lang.python沟通交流,用SourceForge 完成代码管理、版本控制、特性跟踪、Bugs修复、提交补丁。
  • 由Guido本人和Bruce Eckel主持的PyCon2004 是面向Python社区的开发者盛会。PyCon2004议题涉及Web开发、数学和科学计算、Pyrex、Zope、GUI、3D、面向对象、Twisted网络框架、分布式应用。
  • 已经创建了一种叫Pyrex 的语言,它融合了Python 和 C。一旦用 C 编译器进行了编译,就可以将这些Pyrex语言模块导入常规的 Python 应用程序并使用。与直接用C编写扩展相比,Pyrex允许在同一代码中更无缝地混合C级别的变量和Python级别的变量对象。扩展模块Psyco还可以插入Python解释器的内部,让它运行得更快。
  • Python语言非常接近人类的自然语言。Python源程序被称作可执行的伪代码,具有极高的可读性。
  • Python是平台兼容,高度可移植的,可以运行在许多Unix 变体,Mac,MS-DOS,Windows,嵌入式等平台。Python 2.0增加了对Unicode支持。Python社区还为你提供了最佳的工具和商业应用的秘密武器。
  • Python已经集成在大多数Linux发行版中。RedHat使用Python制作安装程序Anaconda(蟒蛇)。Gentoo的emerge 和portage 使用Python构建完整的系统。所有运行Mac OS X的Apple计算机的基本安装都包括Python。HP和Compaq的很多机器使用Python进行服务管Zope应用服务器是Python构建复杂系统的最佳实例。Plone内容管理系统是Zope应用最广泛的产品。Zope和Plone方案成了O'Reilly Open Source Conference2004的明星。BitTorrent使得Python更加出名和流行。BT完美地应用了Python相关的多种解决方案:设计优雅、跨平台的语言和标准网络库的强力支持,wxPython跨平台的GUI,用py2exe绑定虚拟机并编译为可执行程序发布。RealNetworks的开源项目Helix 播放器(RealOne)用Python构建应用系统。
xiuli zhuang

Web Squared: Web 2.0 Five Years On: Web 2.0 Summit 2009 - Co-produced by TechWeb & O'Re... - 0 views

  • Chief among our insights was that "the network as platform" means far more than just offering old applications via the network ("software as a service"); it means building applications that literally get better the more people use them, harnessing network effects not only to acquire users, but also to learn from them and build on their contributions.
  • building applications that literally get better the more people use them
  • Data is the "Intel Inside" of the next generation of computer applications.
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  • ata is being collected, presented, and acted upon in real time. The scale of participation has increased by orders of magnitude.
  • lifestream
  • All of a sudden, we’re not using search via a keyboard and a stilted search grammar, we’re talking to and with the Web. It’s getting smart enough to understand some things (such as where we are) without us having to tell it explicitly. And that’s just the beginning.
  • But it’s important to realize that machine learning techniques apply to far more than just sensor data.
  • information shadows
  • geotagging
  • The smartphone revolution has moved the Web from our desks to our pockets. Collective intelligence applications are no longer being driven solely by humans typing on keyboards but, increasingly, by sensors.
  • With more users and sensors feeding more applications and platforms, developers are able to tackle serious real-world problems.
  • The Web is no longer a collection of static pages of HTML that describe something in the world. Increasingly, the Web is the world – everything and everyone in the world casts an "information shadow," an aura of data which, when captured and processed intelligently, offers extraordinary opportunity and mind bending implications.
  • It’s easy to forget that only 15 years ago, email was as fragmented as social networking is today, with hundreds of incompatible email systems joined by fragile and congested gateways. One of those systems – internet RFC 822 email – became the gold standard for interchange.
  • They thus turn what at first appeared to be unstructured into structured data.
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    O'Reilly
xiuli zhuang

Web 2.0 Summit 2009 - Co-produced by TechWeb & O'Reilly Conferences, October 20 - 22, 2... - 0 views

  • Web to work—its technologies, its business models, and perhaps most importantly, its philosophies of openness, collective intelligence, and transparency.
  • Last year we focused on where the Web met the world. This year, the Web is the world.
  • how the world is putting the Web to work to make business more efficient, culture more vibrant, and society more tolerant.
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