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Anti-patterns
An anti-pattern in software engineering, project management, and business processes is a common response to a recurring problem that is usually ineffective and risks being highly counterproductive. The term, coined in 1995 by computer programmer Andrew Koenig, was inspired by the book '' Design Patterns'' (which highlights a number of design patterns in software development that its authors considered to be highly reliable and effective) and first published in his article in the ''Journal of Object-Oriented Programming''. A further paper in 1996 presented by Michael Ackroyd at the Object World West Conference also documented anti-patterns. It was, however, the 1998 book ''AntiPatterns'' that both popularized the idea and extended its scope beyond the field of software design to include software architecture and project management. Other authors have extended it further since to encompass environmental, organizational, and cultural anti-patterns. Definition According to the auth ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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List Of Software Anti-patterns
Anti-patterns are commonly used ways of doing software engineering that are not useful or cause more issues than they solve. See design patterns for the opposite. There are many diverse types of software anti-patterns. Some relate to software design, object-oriented programming, computer programming, methodological, configuration management, DevOps, and other aspects of software engineering. Several books have popularized the idea and teaching of anti-patterns. Anti-patterns can be found in anything that has organization, from project management to cultures, but this list focuses solely on software and computer science anti-patterns. List of generic software design anti-patterns * Abstraction inversion * Ambiguous viewpoint * Big ball of mud * Database-as-IPC * Inner-platform effect * Input kludge * Interface bloat * Magic pushbutton * Race hazard * Stovepipe system List of object-oriented anti-patterns * Anemic domain model * Call super * Circle–ellipse proble ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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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] |
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Spaghetti-code
Spaghetti code is a pejorative phrase for difficult-to- maintain and unstructured computer source code. Code being developed with poor structure can be due to any of several factors, such as volatile project requirements, lack of programming style rules, and software engineers with insufficient ability or experience. Meaning Code that overuses GOTO statements rather than structured programming constructs, resulting in convoluted and unmaintainable programs, is often called spaghetti code. Such code has a complex and tangled control structure, resulting in a program flow that is conceptually like a bowl of spaghetti, twisted and tangled. In a 1980 publication by the United States National Bureau of Standards, the phrase ''spaghetti program'' was used to describe older programs having "fragmented and scattered files". Spaghetti code can also describe an anti-pattern in which object-oriented code is written in a procedural style, such as by creating classes whose methods are ove ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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God Object
In object-oriented programming, a god object (sometimes also called an omniscient or all-knowing object) is an object that references a large number of distinct types, has too many unrelated or uncategorized methods, or some combination of both. The god object is an example of an anti-pattern and a code smell. Characteristics A common programming technique is to separate a large problem into several smaller problems (a divide and conquer strategy) and create solutions for each of them. Once the smaller problems are solved, the big problem as a whole has been solved. Therefore a given object for a small problem only needs to know about itself. Likewise, there is only one set of problems an object needs to solve: its ''own'' problems. This also follows the single-responsibility principle. In contrast, a program that employs a god object does not follow this approach. Most of such a program's overall functionality is coded into a single "all-knowing" object, which maintains ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Magic Number (programming)
In computer programming, a magic number is any of the following: * A unique value with unexplained meaning or multiple occurrences which could (preferably) be replaced with a named constant * A constant numerical or text value used to identify a file format or protocol ) * A distinctive unique value that is unlikely to be mistaken for other meanings (e.g., Universally Unique Identifiers) Unnamed numerical constants The term ''magic number'' or ''magic constant'' refers to the anti-pattern of using numbers directly in source code. This breaks one of the oldest rules of programming, dating back to the COBOL, FORTRAN and PL/1 manuals of the 1960s. In the following example that computes the price after tax, 1.05 is considered a magic number: price_tax = 1.05 * price The use of unnamed magic numbers in code obscures the developers' intent in choosing that number, increases opportunities for subtle errors, and makes it more difficult for the program to be adapted and extended ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Poltergeist (computer Programming)
In computer programming, a poltergeist (or gypsy wagon) is a short-lived, typically stateless object used to perform initialization or to invoke methods in another, more permanent class. It is considered an anti-pattern. The original definition is by Michael Akroyd at the 1996 Object World West Conference: A poltergeist can often be identified by its name; they are often called "manager_", "controller_", "supervisor", "start_process", etc. Sometimes, poltergeist classes are created because the programmer anticipated the need for a more complex architecture. For example, a poltergeist arises if the same method acts as both the ''client'' and ''invoker'' in a command pattern, and the programmer anticipates separating the two phases. However, this more complex architecture may actually never materialize. Poltergeists should not be confused with long-lived, state-bearing objects of a pattern such as model–view–controller, or tier-separating patterns such as business delegate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Analysis Paralysis
Analysis paralysis (or paralysis by analysis) describes an individual or group process where overanalyzing or overthinking a situation can cause forward motion or decision-making to become " paralyzed", meaning that no solution or course of action is decided upon within a natural time frame. A situation may be deemed too complicated and a decision is never made, or made much too late, due to anxiety that a potentially larger problem may arise. A person may desire a perfect solution, but may fear making a decision that could result in error, while on the way to a better solution. Equally, a person may hold that a superior solution is a short step away, and stall in its endless pursuit, with no concept of diminishing returns. On the opposite end of the time spectrum is the phrase extinct by instinct, which is making a fatal decision based on hasty judgment or a gut reaction. Analysis paralysis is when the fear of either making an error or forgoing a superior solution outweighs th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Software Engineering
Software engineering is a branch of both computer science and engineering focused on designing, developing, testing, and maintaining Application software, software applications. It involves applying engineering design process, engineering principles and computer programming expertise to develop software systems that meet user needs. The terms ''programmer'' and ''coder'' overlap ''software engineer'', but they imply only the construction aspect of a typical software engineer workload. A software engineer applies a software development process, which involves defining, Implementation, implementing, Software testing, testing, Project management, managing, and Software maintenance, maintaining software systems, as well as developing the software development process itself. History Beginning in the 1960s, software engineering was recognized as a separate field of engineering. The development of software engineering was seen as a struggle. Problems included software that was over ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Anti-social Behaviour
Anti-social behaviours, sometimes called dissocial behaviours, are actions which are considered to violate the rights of or otherwise harm others by committing crime or nuisance, such as stealing and physical attack or noncriminal behaviours such as lying and psychological manipulation, manipulation. It is considered to be disruptive to others in society. This can be carried out in various ways, which includes, but is not limited to, intentional aggression, as well as covert and overt hostility. Anti-social behaviour also develops through social interaction within the family and community. It continuously affects a child's temperament, cognitive ability and their involvement with negative peers, dramatically affecting children's cooperative problem-solving skills. Many people also label behaviour which is deemed contrary to prevailing Social norm, norms for social conduct as anti-social behaviour. However, researchers have stated that it is a difficult term to define, particular ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Organizational Behavior
Organizational behavior or organisational behaviour (see American and British English spelling differences, spelling differences) is the "study of human behavior in organizational settings, the interface between human behavior and the organization, and the organization itself".Moorhead, G., & Griffin, R. W. (1995). ''Organizational behavior: Managing people and organizations'' (5th edition). Boston. Houghton Mifflin, (p.4) Organizational behavioral research can be categorized in at least three ways: * individuals in organizations (micro-level) * work groups (meso-level) * how organizations behave (macro-level) Chester Barnard recognized that individuals behave differently when acting in their organizational role than when acting separately from the organization. Organizational behavior researchers study the behavior of individuals primarily in their organizational roles. One of the main goals of organizational behavior research is "to revitalize organizational theory and devel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Industrial And Organizational Psychology
Industrial and organizational psychology (I-O psychology) "focuses the lens of psychological science on a key aspect of human life, namely, their work lives. In general, the goals of I-O psychology are to better understand and optimize the effectiveness, health, and well-being of both individuals and organizations." It is an applied discipline within psychology and is an international profession. I-O psychology is also known as occupational psychology in the United Kingdom, organisational psychology in Australia, South Africa and New Zealand, and work and organizational (WO) psychology throughout Europe and Brazil. Industrial, work, and organizational (IWO) psychology is the broader, more global term for the science and profession.Spector P. E. (2021). Industrial and Organizational Psychology: Research and Practice 8th ed. Hoboken, NJ: John Wiley. I-O psychologists are trained in the scientist–practitioner model. As an applied psychology field, the discipline involves both res ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |