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  • Ruby For Rails 經典的RoR電子書 譯者: 吳暢欣 / 張明生 作者: 布萊克 ISBN: 9787115161611 頁數: 386 定價: 59.0 出版社: 人民郵

    Ruby For Rails 經典的RoR電子書 譯者: 吳暢欣 / 張明生 作者: 布萊克 ISBN: 9787115161611 頁數: 386 定價: 59.0 出版社: 人民郵電出版社 裝幀: 平裝 出版年: 2007-7-1 # 簡介   本書是一部專門為Rails實踐而寫的經典Ruby著作,由四部分組成,共17章。第一部分講述Ruby和Rails的編程環境。第二部分和第三部分與Rails緊密聯系,著重對 Ruby這門語言進行詳細介紹;所采用的Rails應用示例,既說明了Ruby的特性,也給出了有關Rails的重要信息。第四部分講述了如何應用第二部分和第三部分的Ruby知識來開發Rails應用。    本書適合于Ruby的初學者,也適合于想要進一步提高Ruby編程技能,開發實際Rails應用的Web程序員。 # 作者簡介   David A.Black世界頂尖的Ruby和Rails專家、Ruby和Rails的主要倡導機構之一Ruby Central(RbyConf和RailsConf主辦者)的負責人。他是Roby核心開發者之一,RCRchive的維護者。

    標簽: 9787115161611 Rails Ruby 59.0

    上傳時間: 2013-12-22

    上傳用戶:jennyzai

  • The 2D CFD Program NaSt2D The program is a 2D solver for the incompressible, transient Navier-Sto

    The 2D CFD Program NaSt2D The program is a 2D solver for the incompressible, transient Navier-Stokes equations including the temperature equation and free boundary problems. It uses finite differences for discretization on a structured equidistant staggered grid, Central and upwind (donor-cell) discretization of the convective parts and an explicit time stepping scheme. The free boundary value problems are treated with the MAC technique.

    標簽: incompressible Navier-Sto The transient

    上傳時間: 2013-11-30

    上傳用戶:xfbs821

  • "Hard to find" full description of ContactID protocol from Ademco used by many home security devices

    "Hard to find" full description of ContactID protocol from Ademco used by many home security devices to send messages to CMS (Central Monitoring Station) about security events. Has full technical description and can be used to easy make CMS communication module that sends info from your alarm system to CMS station.

    標簽: description ContactID protocol security

    上傳時間: 2017-05-30

    上傳用戶:lifangyuan12

  • QuickSteps books are recipe books for computer users. They answer the question 揌ow do I...??by prov

    QuickSteps books are recipe books for computer users. They answer the question 揌ow do I...??by providing a quick set of steps to accomplish the most common tasks with a particular program. The sets of steps are the Central focus of the book. Sidebar QuickSteps provide information on how to do quickly many small functions or tasks that are in support of the primary functions. Sidebar QuickFacts supply information that you need to know about a subject. Notes, Tips, and Cautions augment the steps, but they are presented in a separate column to not interrupt the fl ow. Brief introductions are present, but there is minimal narrative otherwise. Many illustrations and fi gures, a number with callouts, are also included where they support the steps.

    標簽: books QuickSteps computer question

    上傳時間: 2013-12-11

    上傳用戶:ljt101007

  • A large body of computer-aided techniques has been developed in recent years to assist in the proce

    A large body of computer-aided techniques has been developed in recent years to assist in the process of modeling, analyzing, and designing communication systems . These computer-aided techniques fall into two categories: formula-based approaches, where the computer is used to evaluate complex formulas, and simulation-based approaches, where the computer is used to simulate the waveforms or signals that flow through the system. The second approach, which involves “waveform”-level simulation (and often incorporates analytical techniques), is the subject of this book. Since performance evaluation and trade off studies are the Central issues in the analysis and design of communication systems, we will focus on the use of simulation for evaluating the performance of analog and digital communication systems with the emphasis on digitalcommunication systems.

    標簽: computer-aided techniques developed assist

    上傳時間: 2014-01-01

    上傳用戶:541657925

  • Crime+and+Intelligence+Analysis

    In the hit CBS crime show Person of Interest, which debuted in 2011, the two heroes—one a former Central Intelligence Agency agent and the other a billionaire technology genius—work together using the ubiquitous surveillance system in New York City to try to stop violent crime. It’s referred to by some as a science fiction cop show. But the use of advanced technology for crime analysis in almost every major police department in the United States may surpass what’s depicted on TV crime dramas such as Person of Interest. Real-time crime cen- ters (RTCCs) are a vital aspect of intelligent policing. Crime analysis is no longer the stuff of science fiction. It’s real.

    標簽: Intelligence Analysis Crime

    上傳時間: 2020-05-25

    上傳用戶:shancjb

  • Cognitive+Networked+Sensing+and+Big+Data

    The idea of writing this book entitled “Cognitive Networked Sensing and Big Data” started with the plan to write a briefing book on wireless distributed computing and cognitive sensing. During our research on large-scale cognitive radio network (and its experimental testbed), we realized that big data played a Central role. As a result, the book project reflects this paradigm shift. In the context, sensing roughly is equivalent to “measurement.”

    標簽: Cognitive Networked Sensing Data Big and

    上傳時間: 2020-05-26

    上傳用戶:shancjb

  • Distributed Antenna Systems

    The rapid growth in mobile communications has led to an increasing demand for wide- band high data rate communications services. In recent years, Distributed Antenna Systems (DAS) has emerged as a promising candidate for future (beyond 3G or 4G) mobile communications, as illustrated by projects such as FRAMES and FuTURE. The architecture of DAS inherits and develops the concepts of pico- or micro-cell systems, where multiple distributed antennas or access points (AP) are connected to and con- trolled by a Central unit.

    標簽: Distributed Antenna Systems

    上傳時間: 2020-05-27

    上傳用戶:shancjb

  • Principles+of+digital+communication

    Communication has been one of the deepest needs of the human race throughout recorded history. It is essential to forming social unions, to educating the young, and to expressing a myriad of emotions and needs. Good communication is Central to a civilized society. The various communication disciplines in engineering have the purpose of providing technological aids to human communication. One could view the smoke signals and drum rolls of primitive societies as being technological aids to communication, but communication technology as we view it today became important with telegraphy, then telephony, then video, then computer communication, and today the amazing mixture of all of these in inexpensive, small portable devices.

    標簽: communication Principles digital of

    上傳時間: 2020-05-31

    上傳用戶:shancjb

  • WLANs+WPANs+towards+4G+Wireless

    This book paves the path toward fourth generation (4G) mobile communica- tion by introducing mobility in heterogeneous IP networks with both third generation (3G) and wireless local area networks (WLANs), which is seen as one of the Central issues in the becoming 4G of telecommunications networks and systems. This book presents a thorough overview of 3G networks and standards and discusses interworking and handover mechanisms between WLANs and the Universal Mobile Telecommunication System (UMTS).

    標簽: Wireless towards WLANs WPANs 4G

    上傳時間: 2020-06-01

    上傳用戶:shancjb

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