|
Cohesion (computer Science)
In computer programming, cohesion refers to the ''degree to which the elements inside a module (programming), module belong together''. In one sense, it is a measure of the strength of relationship between the Method (computer programming), methods and data of a Class (computer programming), class and some unifying purpose or concept served by that class. In another sense, it is a measure of the strength of relationship between the class's methods and data. Cohesion is an level of measurement#Ordinal_scale, ordinal type of measurement and is usually described as “high cohesion” or “low cohesion”. Modules with high cohesion tend to be preferable, because high cohesion is associated with several desirable software traits including Robustness (computer science), robustness, reliability, reusability, and understandability. In contrast, low cohesion is associated with undesirable traits such as being difficult to maintain, test, reuse, or understand. Cohesion is often contraste ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Computer Programming
Computer programming or coding is the composition of sequences of instructions, called computer program, programs, that computers can follow to perform tasks. It involves designing and implementing algorithms, step-by-step specifications of procedures, by writing source code, code in one or more programming languages. Programmers typically use high-level programming languages that are more easily intelligible to humans than machine code, which is directly executed by the central processing unit. Proficient programming usually requires expertise in several different subjects, including knowledge of the Domain (software engineering), application domain, details of programming languages and generic code library (computing), libraries, specialized algorithms, and Logic#Formal logic, formal logic. Auxiliary tasks accompanying and related to programming include Requirements analysis, analyzing requirements, Software testing, testing, debugging (investigating and fixing problems), imple ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Software Component
A software component is a modular unit of software that encapsulates specific functionality. The desired characteristics of a component are reusability and maintainability. Value Components allow software development to assemble software with reliable parts rather than writing code for every aspect; allowing for implementation to be more like factory assembly than custom building. Attributes Desirable attributes of a component include but are not limited to: * Cohesive encapsulates related functionality * Reusable * Robust * ''Substitutable'' can be replaced by another component with the same interface * Documented * Tested Third-party Some components are built in-house by the same organization or team building the software system. Some are third-party, developed elsewhere and assembled into the software system. Component-based software engineering For large-scale systems, component-based development encourages a disciplined process to manage comple ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Software Architecture
Software architecture is the set of structures needed to reason about a software system and the discipline of creating such structures and systems. Each structure comprises software elements, relations among them, and properties of both elements and relations. The ''architecture'' of a software system is a metaphor, analogous to the architecture of a building. It functions as the blueprints for the system and the development project, which project management can later use to extrapolate the tasks necessary to be executed by the teams and people involved. Software architecture is about making fundamental structural choices that are costly to change once implemented. Software architecture choices include specific structural options from possibilities in Software design, the design of the software. There are two fundamental laws in software architecture: # Everything is a trade-off # "Why is more important than how" "Architectural Kata" is a teamwork which can be used to produce an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rutgers University
Rutgers University ( ), officially Rutgers, The State University of New Jersey, is a Public university, public land-grant research university consisting of three campuses in New Jersey. Chartered in 1766, Rutgers was originally called Queen's College and was affiliated with the Reformed Church in America, Dutch Reformed Church. It is the eighth-oldest college in the United States, the second-oldest in New Jersey (after Princeton University), and one of nine colonial colleges that were chartered before the American Revolution.Stoeckel, Althea"Presidents, professors, and politics: the colonial colleges and the American revolution", ''Conspectus of History'' (1976) 1(3):45–56. In 1825, Queen's College was renamed Rutgers College in honor of Colonel Henry Rutgers, whose substantial gift to the school had stabilized its finances during a period of uncertainty. For most of its existence, Rutgers was a Private university, private liberal arts college. It has evolved into a Mixed-sex ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IBM Systems Journal
''IBM Journal of Research and Development'' is a former, peer-reviewed bimonthly scientific journal covering research on information systems. This Journal has ceased production in 2020. According to the ''Journal Citation Reports'' in 2019, the journal had an impact factor The impact factor (IF) or journal impact factor (JIF) of an academic journal is a type of journal ranking. Journals with higher impact factor values are considered more prestigious or important within their field. The Impact Factor of a journa ... of 1.27. IBM also published the ''IBM Systems Journal'' () starting in 1962; it ceased publication in 2008 and was absorbed in part by the ''IBM Journal of Research and Development''. References External links * English-language journals IBM Information systems journals {{science-journal-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Packt Publishing
Packt is a publishing company founded in 2003 and headquartered in Birmingham, UK, with offices in Mumbai, India. Packt primarily publishes print and electronic books and videos relating to information technology, including programming, web design, data analysis, and hardware. History Founded in 2003 by David and Rachel Maclean, Packt Publishing provides books, eBooks, video tutorials, and articles for software engineers, web developers, system administrators, and users. The company states that it supports and publishes books on smaller projects and subjects that standard publishing companies cannot make profitable. The company's business model, which involves print-on-demand publishing and selling direct, enables it to make money selling books with lower unit sales. This business model aims to give authors high royalty rates and the opportunity to write on topics that standard publishers tend to avoid. In 2018, Packt's revenue reached 18.4 million pounds, a 28% increase ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Static Code Analysis
In computer science, static program analysis (also known as static analysis or static simulation) is the analysis of computer programs performed without executing them, in contrast with dynamic program analysis, which is performed on programs during their execution in the integrated environment. The term is usually applied to analysis performed by an automated tool, with human analysis typically being called "program understanding", program comprehension, or code review. In the last of these, software inspection and software walkthroughs are also used. In most cases the analysis is performed on some version of a program's source code, and, in other cases, on some form of its object code. Rationale The sophistication of the analysis performed by tools varies from those that only consider the behaviour of individual statements and declarations, to those that include the complete source code of a program in their analysis. The uses of the information obtained from the analysis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Object-oriented Programming Terms
This is a list of terms found in object-oriented programming. A * Abstract class * Accessibility * Abstract method * Abstraction (computer science) *Access control * Access modifiers * Accessor method * Adapter pattern * Aspect-oriented B * Bridge pattern * Builder pattern * Base class C * Cast * Chain-of-responsibility pattern *Class * Class hierarchy * Class method * Class object * Class variable * Cohesion * Collection class * Composition * Constructor *Container * Contravariance * Copy constructor * Coupling * Covariance D * Data-driven design * Data hiding * Default constructor * Deep copy * Delegation * Dependency injection * Destructor * Dispatch table * Dynamic binding * Dynamic dispatch * Dynamically typed language E * Early binding * Eigenclass *Encapsulation (computer programming) * European Conference on Object-Oriented Programming *Exception handling * Extension F * Facade - pattern * Factory method pattern * Factory object * Factory pattern * Field *Finalizer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coupling (computer Science)
A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power. The primary purpose of couplings is to join two pieces of rotating equipment while permitting some degree of misalignment or end movement or both. In a more general context, a coupling can also be a mechanical device that serves to connect the ends of adjacent parts or objects. Couplings do not normally allow disconnection of shafts during operation, however there are torque-limiting couplings which can slip or disconnect when some torque limit is exceeded. Selection, installation and maintenance of couplings can lead to reduced maintenance time and maintenance cost. Uses Shaft couplings are used in machinery for several purposes. A primary function is to transfer power from one end to another end (ex: motor transfer power to pump through coupling). Other common uses: * To alter the vibration characteristics of rotating units * To connect the driving and the driven ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Steve McConnell
Steven C. McConnell is an author of software engineering textbooks such as '' Code Complete'', ''Rapid Development'', and ''Software Estimation''. He is cited as an expert in software engineering and project management. Career McConnell graduated with a bachelor's degree in philosophy, minoring in computer science, at Whitman College in Walla Walla, Washington, and a master's degree in software engineering from Seattle University. He then pursued a career in the desktop software industry, working at Microsoft, Boeing, the Russell Investment Group and several other Seattle area firms. At Microsoft, McConnell worked on TrueType as part of Windows 3.1. At Boeing, he worked on a Strategic Defense Initiative project. McConnell published his first book, '' Code Complete'', in 1993. From 1996 to 1998, he was the editor of the "Best Practices" column in the IEEE Software magazine. From 1998 to 2002, he served as the editor-in-chief An editor-in-chief (EIC), also known as lead ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Edward Yourdon
Edward Nash Yourdon (April 30, 1944 – January 20, 2016) was an American software engineer, computer consultant, author and lecturer, and software engineering methodology pioneer. He was one of the lead developers of the structured analysis techniques of the 1970s and a co-developer of both the Yourdon/Whitehead method for object-oriented analysis/design in the late 1980s and the Coad/Yourdon methodology for object-oriented analysis/design in the 1990s. Biography Yourdon obtained his B.S. in applied mathematics from Massachusetts Institute of Technology (MIT) in 1965, and did graduate work in electrical engineering and computer science at MIT and the Polytechnic Institute of New York. In 1964 Yourdon started working at Digital Equipment Corporation developing FORTRAN programs for the PDP-5 minicomputer and later assembler for the PDP-8. In the late 1960s and early 1970s he worked at a small consulting firm and as an independent consultant. In 1974 Yourdon founded his ow ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lexical Analysis
Lexical tokenization is conversion of a text into (semantically or syntactically) meaningful ''lexical tokens'' belonging to categories defined by a "lexer" program. In case of a natural language, those categories include nouns, verbs, adjectives, punctuations etc. In case of a programming language, the categories include identifiers, operators, grouping symbols, data types and language keywords. Lexical tokenization is related to the type of tokenization used in large language models (LLMs) but with two differences. First, lexical tokenization is usually based on a lexical grammar, whereas LLM tokenizers are usually probability-based. Second, LLM tokenizers perform a second step that converts the tokens into numerical values. Rule-based programs A rule-based program, performing lexical tokenization, is called ''tokenizer'', or ''scanner'', although ''scanner'' is also a term for the first stage of a lexer. A lexer forms the first phase of a compiler frontend in processing. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
