Search - john - CodeBus

[Internet-Network] ACM PKU 1041

Description: John's trip经典欧拉回路的题
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[Program doc] Software Engineering 2nd Edition

Description: SOFTWARE ENGINEERING Published by McGraw-Hill, an imprint of The McGraw-Hill Companies, Inc. 1221 Avenue of the Americas, New York, NY, 10020. Copyright/2001, 1997, 1992, 1987, 1982, by The McGraw-Hill Companies, Inc. All rights reserved. No part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written consent of The McGraw-Hill Companies, Inc., including, but not limited to, in any network or other electronic storage or transmission, or broadcast for distance learning. This book is printed on acid-free paper. 1 2 3 4 5 6 7 8 9 0 DOC/DOC 0 9 8 7 6 5 4 3 2 1 0 ISBN 0073655783 Publisher: Thomas Casson Executive editor: Betsy Jones Developmental editor: Emily Gray Marketing manager: John Wannemacher Project manager: Karen J. Nelson Production supervisor: Heather Burbridge Coordinator freelance design: Keith McPherson Supplement coordinator: Rose Range New media: Christopher Styles Cover design: Rhiannon Erwin Cover illustrator: Joseph Gilians Compositor: Carlisle Communications, Ltd. Typeface: 8.5/13.5 Leawood Printer: R. R. Donnelley & Sons Company Library of Congress Cataloging-in-Publication Data Pressman, Roger S. Software engineering: a practitioner’s approach / Roger S. Pressman.—5th ed. p. cm.— (McGraw-Hill series in computer science) Includes index. ISBN 0-07-365578-3 1. Software engineering. I. Title. II. Series. QA76.758.P75 2001 005.1—dc21 00-036133 http://www.mhhe.com
Platform: | Size: 5368334 | Author: zhangguangyun@gmail.com | Hits:

[CSharp] VC# 2008 从入门到精通

Description: VC# 2008 从入门到精通中文版由John Sharp 所著的《VC# 2008 从入门到精通》，让你完美的了解VC#2008，顺便进一步的改进你的C++编程的技巧。是一本初中学者使用和精通VC的好书。同时其有大量的实例，让你更加直观的，全面的学习。在此供大家分享。
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[Books] Introduction_To_Probability_solutions

Description: Introduction to Probability: Problem Solutions Dimitri P. Bertsekas and John N. Tsitsiklis Massachusetts Institute of Technology
Platform: | Size: 377617 | Author: dingxuejian@126.com | Hits:

[Other] R软件中文教程

Description: 本文档是对 R (“GNU S”）的入门介绍。R 是一种为统计计算和图形显示而设计的语言及环境，它和贝尔实验室（Bell Laboratories） John Chambers 等人开发的 S 系统相似。它提供了一系列统计和图形显示工具（线性和非线性模型，统计检验，时间序列分析，分类，聚类，……）。
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[Books] 支持向量机导论

Description:

由Nello Cristianini and John Shawe-Taylor著，李国正等翻译的关于支持向量机算法研究的很不错的书，很难下到的，值一个积分。

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[Communication-Mobile] 通信范例MATLAB仿真

Description: Contemporary Communication Systems with MATLAB ============================================== John G. Proakis and Masoud Salehi This diskette contains the MATLAB files for "Contemporary Communication Systems with MATLAB" by John G. Praokis and Masoud Salehi. The MATLAB files for each chapter of the book are organized in the corresponding folder. In some cases a MATLAB file appears in more than one folder because it is used in more than one chapter. In most cases numerous comments have been added to the MATLAB files to ease their understanding. It should be noted, however, that in developing the MATLAB files, the main objective of the authors has been the clarity of the MATLAB code rather than its efficiency. In cases where efficient code could have made it difficult to follow, we have chosen to use a less efficient but more readable code. In order to use the software, copy the MATLAB files to your personal computer and add the corresponding paths to your {\tt matlabpath} environment (on an IBM PC compatible machine this is usually done by editing the matlabrc.m file). All MATLAB files have been tested using version 5.2 of MATLAB. On this disk: - Chapter1 - Chapter2 - Chapter3 - Chapter4 - Chapter5 - Chapter6 - Chapter7 - Chapter8 - Chapter9 - readme.txt
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[Documents] javaNIO

Description: 一系列缓冲区类支撑起了 Java 2 平台标准版的新 I/O（NIO）包。这些类的数据容器形成了其它 NIO 操作（如套接字通道上的非阻塞读取）的基础。在本月的 Merlin 的魔力中，常驻 Java 编程专家 John Zukowski 展示了如何操作那些数据缓冲区来执行如读／写原语这样的任务以及如何使用内存映射文件。在以后的文章里，他将把这里所提到的概念扩展到套接字通道的使用。 Java 2 平台标准版（Java 2 Platform Standard Edition，J2SE）1.4 对 Java 平台的 I/O 处理能力做了大量更改。它不仅用流到流的链接方式继续支持以前 J2SE 发行版的基于流的 I/O 操作，而且 Merlin 还添加了新的功能 — 称之为新 I/O 类（NIO），现在这些类位于 java.nio 包中。 I/O 执行输入和输出操作，将数据从文件或系统控制台等传送至或传送出应用程序。（有关 Java I/O 的其它信息，请参阅参考资料）。缓冲区基础抽象的 Buffer 类是 java.nio 包支持缓冲区的基础。 Buffer的工作方式就象内存中用于读写基本数据类型的 RandomAccessFile 。象 RandomAccessFile一样，使用 Buffer ，所执行的下一个操作（读／写）在当前某个位置发生。执行这两个操作中的任一个都会改变那个位置，所以在写操作之后进行读操作不会读到刚才所写的内容，而会读到刚才所写内容之后的数据。 Buffer 提供了四个指示方法，用于访问线性结构（从最高值到最低值）： "capacity() ：表明缓冲区的大小 "limit() ：告诉您到目前为止已经往缓冲区填了多少字节，或者让您用 :limit(int newLimit) 来改变这个限制 "position() ：告诉您当前的位置，以执行下一个读／写操作 "mark() ：为了稍后用 reset() 进行重新设置而记住某个位置缓冲区的基本操作是 get() 和 put() ；然而，这些方法在子类中都是针对每种数据类型的特定方法。为了说明这一情况，让我们研究一个简单示例，该示例演示了从同一个缓冲区读和写一个字符。在清单 1 中， flip() 方法交换限制和位置，然后将位置置为 0，并废弃标记，让您读刚才所写的数据：清单 1. 读／写示例 import java.nio.*; ... CharBuffer buff = ...; buff.put('A'); buff.flip(); char c = buff.get(); System.out.println("An A: " + c); 现在让我们研究一些具体的 Buffer 子类。回页首缓冲区类型 Merlin 具有 7 种特定的 Buffer 类型，每种类型对应着一个基本数据类型（不包括 boolean）： "ByteBuffer "CharBuffer "DoubleBuffer "FloatBuffer "IntBuffer "LongBuffer "ShortBuffer 在本文后面，我将讨论第 8 种类型 MappedByteBuffer ，它用于内存映射文件。如果您必须使用的类型不是这些基本类型，则可以先从 ByteBuffer 获得字节类型，然后将其转换成 Object 或其它任何类型。正如前面所提到的，每个缓冲区包含 get() 和 put() 方法，它们可以提供类型安全的版本。通常，需要重载这些 get() 和 put() 方法。例如，有了 CharBuffer ，可以用 get() 获得下一个字符，用 get(int index) 获得某个特定位置的字符，或者用 get(char[] destination) 获得一串字符。静态方法也可以创建缓冲区，因为不存在构造函数。那么，仍以 CharBuffer为例，用 CharBuffer.wrap(aString) 可以将 String对象转换成 CharBuffer 。为了演示，清单 2 接受第一个命令行参数，将它转换成 CharBuffer ，并显示参数中的每个字符：清单 2. CharBuffer 演示 import java.nio.*; public class ReadBuff { public static void main(String args[]) { if (args.length != 0) { CharBuffer buff = CharBuffer.wrap(args[0]); for (int i=0, n=buff.length(); i<n; i++) { System.out.println(i + " : " + buff.get()); } } } } 请注意，这里我使用了 get() ，而没有使用 get(index) 。我这样做的原因是，在每次执行 get() 操作之后，位置都会移动，所以不需要手工来声明要检索的位置。回页首直接 vs. 间接既然已经了解了典型的缓冲区，那么让我们研究直接缓冲区与间接缓冲区之间的差别。在创建缓冲区时，可以要求创建直接缓冲区，创建直接缓冲区的成本要比创建间接缓冲区高，但这可以使运行时环境直接在该缓冲区上进行较快的本机 I/O 操作。因为创建直接缓冲区所增加的成本，所以直接缓冲区只用于长生存期的缓冲区，而不用于短生存期、一次性且用完就丢弃的缓冲区。而且，只能在 ByteBuffer 这个级别上创建直接缓冲区，如果希望使用其它类型，则必须将 Buffer 转换成更具体的类型。为了演示，清单 3 中代码的行为与清单 2 的行为一样，但清单 3 使用直接缓冲区：清单 3. 列出网络接口 import java.nio.*; public class ReadDirectBuff { public static void main(String args[]) { if (args.length != 0) { String arg = args[0]; int size = arg.length(); ByteBuffer byteBuffer = ByteBuffer.allocateDirect(size*2); CharBuffer buff = byteBuffer.asCharBuffer(); buff.put(arg); buff.rewind(); for (int i=0, n=buff.length(); i<n; i++) { System.out.println(i + " : " + buff.get()); } } } } 在上面的代码中，请注意，不能只是将 String 包装在直接 ByteBuffer中。必须首先创建一个缓冲区，先填充它，然后将位置倒回起始点，这样才能从头读。还要记住，字符长度是字节长度的两倍，因此示例中会有 size*2 。回页首内存映射文件第 8 种 Buffer 类型 MappedByteBuffer 只是一种特殊的 ByteBuffer 。 MappedByteBuffer 将文件所在区域直接映射到内存。通常，该区域包含整个文件，但也可以只映射部分文件。所以，必须指定要映射文件的哪部分。而且，与其它 Buffer 对象一样，这里没有构造函数；必须让 java.nio.channels.FileChannel的 map() 方法来获取 MappedByteBuffer 。此外，无需过多涉及通道就可以用 getChannel() 方法从 FileInputStream 或 FileOutputStream获取 FileChannel 。通过从命令行传入文件名来读取文本文件的内容，清单 4 显示了 MappedByteBuffer ：清单 4. 读取内存映射文本文件 import java.io.*; import java.nio.*; import java.nio.channels.*; import java.nio.charset.*; public class ReadFileBuff { public static void main(String args[]) throws IOException { if (args.length != 0) { String filename = args[0]; FileInputStream fis = new FileInputStream(filename); FileChannel channel = fis.getChannel(); int length = (int)channel.size(); MappedByteBuffer byteBuffer = channel.map(FileChannel.MapMode.READ_ONLY, 0, length); Charset charset = Charset.forName("ISO-8859-1"); CharsetDecoder decoder = charset.newDecoder(); CharBuffer charBuffer = decoder.decode(byteBuffer); for (int i=0, n=charBuffer.length(); i<n; i++) { System.out.print(charBuffer.get()); } } } }
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[GDI-Bitmap] quakeIII 源码

Description: 3D 游戏界的大牛人 John Carmack 终于放出了 Q3 的源代码
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[Books] The MPEG Handbook

Description: 詳細介紹 MPEG1 MPEG2 MPEG4的電子書作者為 John Watkinson 第五版
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[VC/MFC] cpp_faqs

Description: This second edition reflects the help and advice of many people. We are particularly indebted to Bjarne Stroustrup and Andrew Koenig for their inspiration and advice over the years. Paul Abrahams, Michael Ball, Ian Long, John Kwan, Jason Pritchard, Christopher Van Wyk, and Steve Vinoski were particularly helpful in the development of this edition. We appreciate the support and insights of our colleagues and associates, including Mathew Denman, Mike Ferretti, Peter Jakab, Charles Martin, Robert Martin, Chris Rooney, Dave Stott, Ioannis Tollis, John Vlissides, Jim Watson, Claudia Woody, Demetrios Yannokopoulos, and Howard Young. Debbie Lafferty was a tremendous supporter during both editions of this book, and we will always be grateful for her help and patience. Special thanks from Marshall to David W. Bray for showing me the realities of self-directed thinking, to Doug Lea for daily email at 5:30 A.M.(you get a A++), to Jamshid Afshur, Jr. for a million and one suggestions via email, and to my colleagues at Clarkson University. Thanks to all of my students and the many wonderful supporters of the electronic FAQ. Most of al, thank you to Mary Elaine and to David, Elizabeth, Gabrielle, Peter, Katherine, and Brandon; you make it worth the trouble. Special thanks from Greg to Brian Unger and Graham Birtwistle for introducing me to Simula 67 and object-oriented programming in 1981, long before it became fashionable. Thank you Brian Unger and Marshall Cline for giving me the opportunity to pursue interesting projects in stimulating work environments. Also, thanks to my colleagues from the University of Calgary, Jade Simulations, Paradigm Shift, Inc., and MT Systems Company for their assistance and support over the years. Thank you, Barb, for all of your support and for putting up with my unusual work arrangements and bizarre schedules. Special thanks from Mike to Dix Pettey for showing me what research is all about, to John Schmidt for teaching me to be practical, and to Len Gollobin for showing me how to look at problems the right way. The University of Missouri Mathematics Department will always occupy a special place in my heart for both personal and professional reasons. Thanks to my children, Beverly and James, for putting up with a father whose efforts have not always matched his intentions, and to my special friends Christian, Kelly, and Tamie for being part of my life.
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[Game Program] aug98

Description: 国外游戏开发者杂志1998年第八期配套代码，包含了Dan McCabe和John Brothers关于S3TC纹理压缩的两种标准--Code of game development magazine in 1998 eighth issue, it including such two kind of standards as Dan McCabe and John Brothers about S3TC texture compression
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[Game Program] mar00

Description: 国外游戏开发者杂志2000年第三期配套代码，包含John Van Der Burg的particle系统的代码--Code of game development magazine in 2000 the third issue, contains John Van Der Burg`s particle system code
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[Button control] ClrButton

Description: [转载]彩色按钮控件。作者John Wellbelove。-[reproduced] Color button controls. Author John Wellbelove.
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[Books] Linux进程管理

Description: John Wiley & Sons, Inc.出版 ISBN: 0 470 84771 9-John Wiley Sons, Inc.. Publishing ISBN : 0470 84771 9
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[OS Develop] bootf02

Description: John Fine的OS模型// 源代码// C & ASM// 英文 -John Fine s OS model//source code// C & ASM// english
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[Other] 算法ebook(10部算法经典著作的合集)

Description: 算法ebook(10部算法经典著作的合集) 算法ebook> 10部算法经典著作的合集 chm格式 (1)Fundamentals of Data Structures by Ellis Horowitz and Sartaj Sahni (2)Data Structures, Algorithms and Program Style Using C by James F. Korsh and Leonard J. Garrett (3)Data Structures and Algorithm Analysis in C by Mark Allen Weiss (4)Data Structures: From Arrays to Priority Queues by Wayne Amsbury (5)Information Retrieval: Data Structures & Algorithms edited by William B. Frakes and Ricardo Baeza-Yates (6)Introduction to Algorithms by Thomas H. Cormen, Charles E. Leiserson, and Ronald L. Rivest (7)Practical Data Structures in C++ by Bryan Flamig (8)Reliable Data Structures in C by Thomas Plum (9)Data Structures and Algorithms Alfred V. Aho, Bell Laboratories, Murray Hill, New Jersey John E. Hopcroft, Cornell University, Ithaca, New York Jeffrey D. Ullman, Stanford University, Stanford, California (10)DDJ Algorithms and Data Structures Articles-algorithm ebook (10 Algorithm classics Collection) algorithm ebookgt; Gt; Ten algorithm classics Collection chm format (1) Fundamentals of Data Structures by Ellis Horowitz and Sartaj Sahni (2) Data Structures and Algorithms and Program Using C by Style Asperula and James F. Leonard J. Garrett (3) Data Structures and Analysis Algorithm in C by Mark Allen Weiss (4) Data Structures : From Arrays to Priority Queues by Wayne Amsbury (5) Information Retrieval : Data Structures Algorithms edited by William B . Frakes and Ricardo Baeza- Yates (6) Introduction to Algorithms by Thomas H. Cormen, Charles E. Leiserson, and Ronald L. Rivest (7) Practical Data Structures in C by Bryan Flamig (8) Reliable Data Structures in C by Thomas Plum (9) Data Structures and Algorithms Alfred V. Aho, Bell Laborat
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[Other] ToyFDTD2-v1.0

Description: builds an alternate memory allocation scheme into ToyFDTD1. Contributed by John Schneider, it guarantees that the data arrays are contiguous, which the ToyFDTD1 scheme does not. Released 6 December, 1999.
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[Speech/Voice recognition/combine] 语音处理与合成工具箱随书光盘源码1

Description: 由John Wiley出版集团授权清华大学出版社出版《语音处理与合成工具箱》一书随书光盘源码-by John Wiley Publishing Group authorized Qinghua University Press published "voice processing and synthesis tool kit" book with a CD-source
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[Speech/Voice recognition/combine] 语音处理与合成工具箱随书光盘源码2

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