实现基本的购物车功能。 eclipse+sqlserver2005 1.主要强调了购物车的业务逻辑。 2，利用javabean封装。比较适合jsp初学者。 3.简洁实用。可以在此基础上开发更加复杂功能的购物网站。 数据库建立 create database shop_db go use shop_db go create table t_sp ( s_id int identity(1,1) primary key, s_name varchar(20) not null, s_price money not null ) go insert into t_sp values( IBM笔记本电脑 , 19999 ) insert into t_sp values( Hp商务笔记本电脑 , 8666 ) insert into t_sp values( 精通JSP技术 , 236 ) insert into t_sp values( ASP.NET高级应用 , 156 ) insert into t_sp values( J2EE高级开发 , 126 ) insert into t_sp values( 华硕笔记本电脑 , 6789 ) go select * from t_sp go
上传时间： 2013-12-20
上传用户：netwolf
As you have learnt that sleep( )/usleep()/nanosleep() are not good to delay a process. Timers can provide more accurate time control in applications. In this lab, you will explore POSIX timers and signal programming, experience the timer drift. The primary focus of this lab will be "time". The experiment will show you several methods to measure time in your applications.
标签： nanosleep process Timers learnt
上传时间： 2013-12-19
上传用户：huyiming139
Spectrum Digital, Inc的 详细的 DM6467开发资料！DaVinciHD_EVM_TechRef_RevD，This is the primary location for all Davinci HD EVM related documentation, notes and errata. This version of the page applies to the lastest shipping version. Here is a complete version history:DaVinci HD Schematics Board schematics
标签： DaVinciHD_EVM_TechRef_RevD Spectrum Digital 6467
上传时间： 2016-11-27
上传用户：huql11633
/*** ***建立数据库*** *** */ /*建立数据库wagemanage，并定义物理存储路径*/ CREATE DATABASE wagemanage ON primary (NAME= wagemanage , FILENAME= D:wagemanage_MDF.mdf ) GO /******************建立基本表*******************/ /*建立员工基本表*/
标签： wagemanage 数据库
上传时间： 2014-08-21
上传用户：vodssv
What is Verilog? ➥ Verilog HDL is a Hardware Description Language (HDL) ➥ Verilog HDL allows describe designs at a high level of abstraction as well as the lower implementation levels ➥ primary use of HDLs is the simulation of designs ➥ Verilog is a discrete event time simulator What is VeriWell? ➥ VeriWell is a comprehensive implementation of Verilog HDL
标签： Verilog HDL 10149 Description
上传时间： 2017-02-18
上传用户：
If a tree falls in the forest, and there s nobody there to hear, does it make a sound? This classic conundrum was coined by George Berkeley (1685-1753), the Bishop and influential Irish philosopher whose primary philosophical achievement is the advancement of what has come to be called subjective idealism. He wrote a number of works, of which the most widely-read are Treatise Concerning the Principles of Human Knowledge (1710) and Three Dialogues between Hylas and Philonous (1713) (Philonous, the "lover of the mind," representing Berkeley himself).
标签： there classic forest nobody
上传时间： 2013-11-26
上传用户：stvnash
Altera® provides various tools for development of hardware and software for embedded systems. This handbook complements the primary documentation for these tools by describing how to most effectively use the tools. It recommends design styles and practices for developing, debugging, and optimizing embedded systems using Altera-provided tools. The handbook introduces concepts to new users of Altera’s embedded solutions, and helps to increase the design efficiency of the experienced user.
标签： development for provides embedded
上传时间： 2017-06-15
上传用户：haoxiyizhong
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.
标签： books QuickSteps computer question
上传时间： 2013-12-11
上传用户：ljt101007
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
标签： Optimization and Uncertainty Quantification
上传时间： 2016-04-08
上传用户：huhu123456
The rapid growth of the Web in the past two decades has made it the larg- est publicly accessible data source in the world. Web mining aims to dis- cover useful information or knowledge from Web hyperlinks, page con- tents, and usage logs. Based on the primary kinds of data used in the mining process, Web mining tasks can be categorized into three main types: Web structure mining, Web content mining and Web usage mining.
上传时间： 2020-05-26
上传用户：shancjb
