浅析C程序设计中指针使用的若干问题

指针是C语言中的一个重要概念，也是C语言的一个重要特色。正确而灵活地运用指针，可以有效地表示复杂的数据结构；能动态分配内存：方便地使用字符串；有效而方便地使用数组；在调用函数时能得到多于1个值；能直接处理内存等。然而指针又是非常不安全的设施，错误的理解与使用指针，将使用户     

C语言指针教学探讨

指针是C语言教学的重和难点,也是C语言的精华。正确而灵活地应用指针,能动态分配内存;可以有效地表示复杂的数据结构;有效而方便地使用数组等。论文针对C语言指针的教学进行探讨,力图通过细致的分析,提出行之有效的教学方法,与同行商榷。     

理解和使用C语言指针应注意的几个问题

C语言是使用最广泛的程序设计语言之一，但就其学习难度来说，也是比较大的，其中的指针既是C语言的重点，又是C语言的难点，能做到通俗、全面、准确地讲述C语言指针概念的书籍较为少见，因此，初学者对C语言指针的理解往往显得模糊。本文根据作者在C语言教学和使用方面的多年经验，讨论了一般教科书中讲解不够清楚或不够准确的几个问题，希望对读者进～步用好C语言指针有所帮助。互指针就是地址理解C语言指针的基础就是牢固树立指针就是地址的概念。具体的说，指针常量就是地址常量，指针变量就是地址变量。先来看指针常量：（）若i是…     

C语言指针探讨

指针是C语言中的一个重要概念，也是C语言的一个重要特色。正确而灵活地运用指针，可以有效地表示复杂的数据结构；能动态分配内存；能方便地使用字符串；有效而方便地使用数组；在调用函数时能得到多于1个的值；能直接处理内存等。但同时，指针的概念也难以理解，使用比较灵活的特点给程序设计者的学习和应用带来困难。本文结合例题探讨指针问题。一、指针的概念如果在程序中定义了一个变量，在编译时就会给这个变量分配一定长度的内存空间。内存区的每一个内存单元都有一个地址，用来标识内存单元，通过地址对所标识的单元存放数据。给变…     

关于指针数组与指向指针的指针教学研究

指针是C语言中的一个重要的概念,也是C语言的一个重要特色,正确而灵活地运用它可以使程序简洁、紧凑、高效,这对软件设计十分必要.但是指针概念比较复杂,应用也比较灵活且容易出错,学习者较难掌握,是C语言教学的难点,特别是指针与数组结合使学习者理解起来更加困难,本文从概念表示到应用分析由浅入深地讨论了指针数组与指向指针的指针.阐述了学习方法与教学经验.     

C语言指针教学难点探讨

从C语言指针的概念出发，分析了C语言指针教学中的几个难点问题，并创造性地对教学内容作了精辟地总结。     

C与C+ +中指针的应用

C与C＋＋语言程序设计中指针的概念是不可缺少的主要内容。指针类型用途很广，利用指针可以直接对内存中各种不同的数据结构的数据进行快速处理。如：能方便地使用字符率，有效而方便地使用数组，指针的使用为函数修改其调用参数提供了方便，用于支持C的动态内存分配，创建键表和管理动态对象等，C的很多特性完全依赖于指针才能实现。正是因为有了指针及其灵活应用，才使C语言成为一门绝好的语言，尤其擅长于书写系统软件，但指针作为C语言的最显著特征的同时，又是C语言最危险的特征。1指针的分类指针可以分为两大类：指向对象的指针和…     

C语言中指针教学的研究与探讨

指针是C语言的一个重点和难点,初学时常会出错。该文结合作者多年的教学实践,对C语言中指针的教学过程以及如何让学生更好地掌握指针进行了较为深入的研究探讨。     

C语言中指针教学的研究与探讨

指针是C语言的一个重点和难点,初学时常会出错。该文结合作者多年的教学实践,对C语言中指针的教学过程以及如何让学生更好地掌握指针进行了较为深入的研究探讨。     

C语言中的指针

指针是C语言的精华部分,也是C语言学习的重点和难点,正确而灵活地应用指针是学习C语言中最重要的环节,也是掌握C语言的一个标志。本文从指针的概念、运算、误用以及与数组和函数的关系五个方面对C语言指针进行了分析和探讨。     

Only connect: teaching, technology and telesis

Abstract This paper describes an approach to the design of interactive multimedia materials being developed in a European Community project. The developmental process is seen as a dialogue between technologists and teachers. This dialogue is often problematic because of the differences in training, experience and culture between them. Conditions needed for fruitful dialogue are described and the generic model for learning design used in the project is explained.     

European Community policy and the market

Abstract This paper starts with some reflections on the policy considerations and priorities which are shaping European Commission (EC) research programmes. Then it attempts to position the current projects which seek to capitalise on information and communications technologies for learning in relation to these priorities and the apparent realities of the marketplace. It concludes that while there are grounds to be optimistic about the contribution EC programmes can make to the efficiency and standard of education and training, they are still too technology driven.     

一种自适应子融合集成多分类器方法

融合集成方法已经广泛应用在模式识别领域,然而一些基分类器实时性能稳定性较差,导致多分类器融合性能差,针对上述问题本文提出了一种新的基于多分类器的子融合集成分类器系统。该方法考虑在度量层融合层次之上通过对各类基多分类器进行动态选择,票数最多的类别作为融合系统中对特征向量识别的类别,构成一种新的自适应子融合集成分类器方法。实验表明,该方法比传统的分类器以及分类融合方法识别准确率明显更高,具有更好的鲁棒性。     

Avoiding semantic and temporal gaps in developing software intensive systems

Development of software intensive systems (systems) in practice involves a series of self-contained phases for the lifecycle of a system. Semantic and temporal gaps, which occur among phases and among developer disciplines within and across phases, hinder the ongoing development of a system because of the interdependencies among phases and among disciplines. Such gaps are magnified among systems that are developed at different times by different development teams, which may limit reuse of artifacts of systems development and interoperability among the systems. This article discusses such gaps and a systems development process for avoiding them.     

Designing economic np control charts: A programmed simulation approach

This paper presents control charts models and the necessary simulation software for the location of economic values of the control parameters. The simulation program is written in FORTRAN, requires only 10K of main storage, and can run on most mini and micro computers. Two models are presented - one describes the process when it is operating at full capacity and the other when the process is operating under capacity. The models allow the product quality to deteriorate to a further level before an existing out-of-control state is detected, and they can also be used in situations where no prior knowledge exists of the out-of-control causes and the resulting proportion defectives.     

The development of robot art

Going through a few examples of robot artists who are recognized worldwide, we try to analyze the deepest meaning of what is called “robot art” and the related art field definition. We also try to highlight its well-marked borders, such as kinetic sculptures, kinetic art, cyber art, and cyberpunk. A brief excursion into the importance of the context, the message, and its semiotics is also provided, case by case, together with a few hints on the history of this discipline in the light of an artistic perspective. Therefore, the aim of this article is to try to summarize the main characteristics that might classify robot art as a unique and innovative discipline, and to track down some of the principles by which a robotic artifact can or cannot be considered an art piece in terms of social, cultural, and strictly artistic interest. This work was presented in part at the 13th International Symposium on Artificial Life and Robotics, Oita, Japan, January 31–February 2, 2008     

Explanation and prediction: an architecture for default and abductive reasoning

Although there are many arguments that logic is an appropriate tool for artificial intelligence, there has been a perceived problem with the monotonicity of classical logic. This paper elaborates on the idea that reasoning should be viewed as theory formation where logic tells us the consequences of our assumptions. The two activities of predicting what is expected to be true and explaining observations are considered in a simple theory formation framework. Properties of each activity are discussed, along with a number of proposals as to what should be predicted or accepted as reasonable explanations. An architecture is proposed to combine explanation and prediction into one coherent framework. Algorithms used to implement the system as well as examples from a running implementation are given.     

Three Process Perspectives: Organizations, Teams, and People

This paper provides the author's personal views and perspectives on software process improvement. Starting with his first work on technology assessment in IBM over 20 years ago, Watts Humphrey describes the process improvement work he has been directly involved in. This includes the development of the early process assessment methods, the original design of the CMM, and the introduction of the Personal Software Process (PSP)^SM and Team Software Process (TSP){^SM}. In addition to describing the original motivation for this work, the author also reviews many of the problems he and his associates encountered and why they solved them the way they did. He also comments on the outstanding issues and likely directions for future work. Finally, this work has built on the experiences and contributions of many people. Mr. Humphrey only describes work that he was personally involved in and he names many of the key contributors. However, so many people have been involved in this work that a full list of the important participants would be impractical.     

基于QTE的蒙古文显示机制研究与实现

蒙古语言是中国蒙古族使用的通用语言,由于蒙古文区别于其他文字的书写方式和其自身变形机制等特点,在很多通用的文字处理引擎中都不被支持。在嵌入式产品开发与应用领域中Linux加QTE已经成为流行方式。该文给出了一种在QTE环境上实现基于标准Unicode的蒙古文点阵显示和变形算法, 并自定义了支持蒙古文的QTE组件,扩展了QTE功能,为在Linux加QTE方式的嵌入式体系结构中处理蒙古文提供了一种解决方法。     

基于复小波噪声方差显著修正的SAR图像去噪

提出了一种基于复小波域统计建模与噪声方差估计显著性修正相结合的合成孔径雷达(Synthetic Aperture Radar,SAR)图像斑点噪声滤波方法。该方法首先通过对数变换将乘性噪声模型转化为加性噪声模型,然后对变换后的图像进行双树复小波变换(Dualtree Complex Wavelet Transform,DCWT),并对复数小波系数的统计分布进行建模。在此先验分布的基础上,通过运用贝叶斯估计方法从含噪系数中恢复原始系数,达到滤除噪声的目的。实验结果表明该方法在去除噪声的同时保留了图像的细节信息,取得了很好的降噪效果。