-
Lazarus is a free and open source development tool for the FreePascal Compiler. The purpose of the project is to serve as a Code Repository, Wiki Knowledgebase and support site for converting existing components and libraries to work with Lazarus and FPC
標簽：
development
FreePascal
the
Compiler
上傳時間：
2013-12-20
上傳用戶：wang5829
-
國家SQL標準委員會ISO/IEC JTC1 SC32 WG3負責人Keith W.Hare作序推薦。
使用SQL進行數據操作的快速上手指南。
如果你使用如下的數據庫系統：Access，MS SQL serve，Oracle，DB2，MySQL，Ingres。
或者任何其他基于SQL的程序，在你開始編寫查詢之前，本書都能夠節省你的時間和精力。
本書針對編寫SQL查詢為初學者提供了一個按部就班、易于閱讀的指導。它包含了上百個帶有詳細說明的例子。本書為我們提供了理解、修改和創建SQL查詢所需的工具。 對于所有數據庫設計者來說本書是一本重要的書。它吸取了復雜的數學集合論和一階謂詞邏輯，并且使得這些理論容易讓每個人理解。如果你想要學習從初級到中級的SQL課程，本書是你所必需的。
標簽：
SQL
Access
Keith
Hare
上傳時間：
2014-01-23
上傳用戶：gdgzhym
-
跨數據庫平臺:
n 支持 oracle 的OCI
n 支持DB2的CLI,
n 支持ODBC(通過ODBC,可支持SQL serveR,MySQL等)
Ø 跨OS平臺:
n 標準C++語言,支持 unix/linux/windows
Ø 使用簡單:
n 只有一個頭文件
n 接口簡潔.otl_stream, otl_connect, otl_exception等就可以完成大部分工作
n 相對 ProC等嵌入式開發,代碼能相應減少
Ø 性能:
n 直接訪問數據庫API接口,具有API接口的高效率,可靠性
Ø 穩定性:
n 開源代碼,唯一的代碼文件otlv4.h,可以了解所有基于數據庫API的實現細節
n 從1996年開始,到今已10余年.
Ø 可讀性及可維護性:
n 標準C++代碼,不需要任何預處理
n 使用流的形式,輸入輸出異常簡潔
n 減少大量代碼,
n 代碼結構更加簡潔
參考資料:
http://otl.sourceforge.net/
標簽：
ODBC
oracle
serve
OCI
上傳時間：
2017-06-14
上傳用戶：cainaifa
-
SensorSimII is the framework of a simulator that I have been working on to study how future sensor networks should operate. the simulator is written in a modular fashion so that it can be adapted to serve a number of needs. However, please remember that it is still a work in progress. This web page is here just to give a glimpse of the approach we ve taken with this simulator. Likewise this web page is simply preliminary information to attempt to answer some of the questions that researchers might have about this project.
標簽：
SensorSimII
framework
simulator
working
上傳時間：
2013-12-26
上傳用戶：wsf950131
-
MySQL is the world’s most popular open source database,
sporting a barrier of entry low enough to attract novice
developers yet powerful enough to power some of the world’s
most popular websites, among them Yahoo!, BBC News, the
U.S. Census Bureau, and Craigslist.
This reference card was created to help you quickly navigate
some of MySQL’s most popular features. Covering topics such
as confguration, administration software, backup procedures,
SQL features, and user management, this card will serve as a
handy desk reference for countless projects to come.
標簽：
database
sporting
barrier
popular
上傳時間：
2017-07-13
上傳用戶：weiwolkt
-
Abstract—We describe a technique for image encoding in which local operators of many scales but identical shape serve as the basis functions. The representation differs from established techniques in that the code elements are localized in spatial frequency as well as in space.
標簽：
technique
operators
Abstract
describe
上傳時間：
2014-01-23
上傳用戶：ruixue198909
-
Computational models are commonly used in engineering design and scientific discovery activities for simulating
complex physical systems in disciplines such as fluid mechanics, structural dynamics, heat transfer, nonlinear
structural mechanics, shock physics, and many others. These simulators can be an enormous aid to engineers who
want to develop an understanding and/or predictive capability for complex behaviors typically observed in the
corresponding physical systems. Simulators often serve as virtual prototypes, where a set of predefined system
parameters, such as size or location dimensions and material properties, are adjusted to improve the performance
of a system, as defined by one or more system performance objectives. Such optimization or tuning of the
virtual prototype requires executing the simulator, evaluating performance objective(s), and adjusting the system
parameters in an iterative, automated, and directed way. System performance objectives can be formulated, for
example, to minimize weight, cost, or defects; to limit a critical temperature, stress, or vibration response; or
to maximize performance, reliability, throughput, agility, or design robustness. In addition, one would often
like to design computer experiments, run parameter studies, or perform uncertainty quantification (UQ). These
approaches reveal how system performance changes as a design or uncertain input variable changes. Sampling
methods are often used in uncertainty quantification to calculate a distribution on system performance measures,
and to understand which uncertain inputs contribute most to the variance of the outputs.
A primary goal for Dakota development is to provide engineers and other disciplinary scientists with a systematic
and rapid means to obtain improved or optimal designs or understand sensitivity or uncertainty using simulationbased
models. These capabilities generally lead to improved designs and system performance in earlier design
stages, alleviating dependence on physical prototypes and testing, shortening design cycles, and reducing product
development costs. In addition to providing this practical environment for answering system performance questions,
the Dakota toolkit provides an extensible platform for the research and rapid prototyping of customized
methods and meta-algorithms
標簽：
Optimization and Uncertainty Quantification
上傳時間：
2016-04-08
上傳用戶：huhu123456
-
This is the second edition of a textbook that is intended for a senior or graduate-level
course in an electrical engineering (EE) curriculum on the subject of the analysis of
multiconductor transmission lines (MTLs). It will also serve as a useful reference
for industry professionals.
標簽：
Multiconductor
Transmission
Analysis
Lines
of
上傳時間：
2020-05-26
上傳用戶：shancjb
-
The very title of this book is borrowed from the information theory vocabulary,
and, quite naturally, it is an outline of this theory that will serve as an introduction.
The subject of information theory is the scientific study of communications. To this
end it defines a quantitative measurement of the communicated content, i.e. informa-
tion, and deals with two operations essential for communication techniques: source
coding and channel encoding.
標簽：
Communication
Networks
Channel
Coding
in
上傳時間：
2020-05-26
上傳用戶：shancjb
-
This work titled A Digital Phase Locked Loop based Signal and Symbol Recovery
System for Wireless Channel is intended to serve as a document covering funda-
mental concepts and application details related to the design of digital phase locked
loop (DPLL) and its importance in wireless communication. It documents some
of the work done during the last few years covering rudimentary design issues,
complex implementations, and fixing configuration for a range of wireless propa-
gation conditions.
標簽：
Digital
Locked
Phase
Loop
上傳時間：
2020-05-27
上傳用戶：shancjb
