• spring jpa reference

    Implementing a data access layer of an application has been cumbersome for quite a while. Too much boilerplate code had to be written. Domain classes were anemic and haven't been designed in a real object oriented or domain driven manner. Using both of these technologies makes developers life a lot easier regarding rich domain model's persistence. Nevertheless the amount of boilerplate code to implement repositories especially is still quite high. So the goal of the repository abstraction of Spring Data is to reduce the effort to implement data access layers for various persistence stores significantly.

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    2013-04-16
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  • 项目经理应该知道的97件事

    项目经理应该知道的97件事 97 Things Every Project Manager Should Know is a collection of wisdom from project managers, software developers, and a wide range of other occupation holders from all around the world who are successful in managing their teams to success. They have shared what they think are important tips for you to know, whether you are involved in trying to create the product or manage the processes of your organization’s projects.

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    4.44MB
    2013-02-20
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  • CAPWAP Protocol specification

    This specification defines the Control And Provisioning of Wireless Access Points (CAPWAP) Protocol, meeting the objectives defined by the CAPWAP Working Group in RFC 4564. The CAPWAP protocol is designed to be flexible, allowing it to be used for a variety of wireless technologies. This document describes the base CAPWAP protocol, while separate binding extensions will enable its use with additional wireless technologies.

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    2013-02-05
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  • 扩频通信的基本理论.rar

    概念:所谓扩展频谱技术一般是指用比信号带宽宽得多的频带宽度来传输信息的技术。它主要由原始信息,信源编译码,信道编译码(差错控制),载波调制与解调,扩频调制与解扩频和信道六大部分组成。

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    3.11MB
    2010-03-10
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  • WCDMA系统原理培训手册-part2

    WCDMA 无线 物理层 无线资源 由于文件大小上传的限制,本PDF文档压缩成两部分上传,这是part2.

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    2010-03-10
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  • WCDMA系统原理培训手册-part1

    WCDMA 无线 物理层 无线资源 由于文件大小上传的限制,本PDF文档压缩成两部分上传,这是part1.

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    14.31MB
    2010-03-10
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  • hibernate_reference.pdf

    Working with object-oriented software and a relational database can be cumbersome and time consuming in today's enterprise environments. Hibernate is an Object/Relational Mapping tool for Java environments. The term Object/Relational Mapping (ORM) refers to the technique of mapping a data representation from an object model to a relational data model with a SQL-based schema. Hibernate not only takes care of the mapping from Java classes to database tables (and from Java data types to SQL data types), but also provides data query and retrieval facilities. It can also significantly reduce development time otherwise spent with manual data handling in SQL and JDBC.

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    2010-02-26
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  • 精通Hibernate-Java对象持久化技术详解.pdf

    Hibernate is an Object/Relational Mapping tool for Java environments. The term Object/Relational Mapping (ORM) refers to the technique of mapping a data representation from an object model to a relational data model with a SQL-based schema.

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    16.07MB
    2010-02-26
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  • Wimax 802.16 协议解读

    802.16 协议参考模型 802.16 主要定义了物理层及MAC 层,MAC 层包括三个子层: (1) 服务汇聚子层:Service-Specific Convergence Sublayer (CS) 将所有从汇聚层服务接入点(CS SAP)接收到的外部网络数据的转化/映射成MAC SDU, 通过MAC SAP发送给MAC CPS。CS层的功能包括:分类外部网络服务数据(SDU),将这 些数据关联到正确的MAC服务流(SFID)及连接(CID)。还可能包含负荷头压缩功能(PHS)。 有两种服务汇聚子层:ATM汇聚子层及包汇聚子层。 (2) MAC公共子层:MAC Common Part Sublayer (CPS) CPS不用理解/分析任何从CS层来的负荷信息。该层包含MAC层的核心功能,包括带宽 请求,连接建立,连接维护。该层从MAC SAP接收数据,按MAC连接分类。QoS将被应用 到传输中并由物理层来保证。 (3) 加密子层:Privacy Sublayer MAC层包含一个单独的加密子层来提供认证、密钥交换及加密。

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    2009-10-29
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  • Solaris10 Advanced user maunal

    This book describes how to use the command line interface (CLI) of the Solaris™ operating environment to perform various system tasks.

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    2009-06-05
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