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Wilmington, North Carolina once had a thriving Black middle class and an elected interracial government. In 1898 white supremacists used violence to overthrow that government, kill Black residents and drive many others from the city.
MORE →Reflects the personal views, recollections, and perspective of the author, Mike Davis.
This is a personal recollection on the Move fire on May 13, 1985
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Non-structured programming (a.k.a. unstructured programming) is the programming paradigm that describes the state-of-the-art of programming before the structured programming paradigm was envisioned and involves the use of the goto statement for control flow such as selection (i.e. if/then/else) and iteration (i.e. while and for).
In general, the use of goto, particularly for selection and iteration, is criticized for producing unreadable, spaghetti code in the 1968 open letter Go To Statement Considered Harmful by Dutch computer scientist Edsger W. Dijkstra,[1] who coined the term structured programming.[citation needed]
Any programming language that provides goto can be used to write unstructured code. Notable languages that rely primarily if not exclusively on goto for control flow include JOSS, FOCAL, TELCOMP, any assembly language, batch file, and early versions of BASIC, Fortran, COBOL, and MUMPS.
The unbridled use of the go to statement has as an immediate consequence that it becomes terribly hard to find a meaningful set of coordinates in which to describe the process progress. ... The go to statement as it stands is just too primitive, it is too much an invitation to make a mess of one's program.
Source: Wikipedia. Article content is retrieved live through the MediaWiki API.
Non-structured programming (a.k.a. unstructured programming) is the programming paradigm that describes the state-of-the-art of programming before the structured programming paradigm was envisioned and involves the use of the goto statement for control flow such as selection (i.e. if/then/else) and iteration (i.e. while and for). In general, the use of goto, particularly for selection and iteration, is criticized for producing unreadable, spaghetti code in the 1968 open letter Go To Statement Considered Harmful by Dutch computer scientist Edsger W. Dijkstra, who coined the term structured programming. Any programming language that provides goto can be used to write unstructured code. Notable languages that rely primarily if not exclusively on goto for control flow include JOSS, FOCAL, TELCOMP, any assembly language, batch file, and early versions of BASIC, Fortran, COBOL, and MUMPS.
Structured programming is a programming paradigm characterized by source code that uses block-based source code structure to encode control flow such as sequence, selection (i.e. if-then-else and switch) and iteration (i.e. for and while). Originally, the central goal of the structured programming movement was to eliminate the need for and use of the goto statement. As goto provides powerful and flexible flow control, it can be used to write any arbitrarily complex algorithm, but the resulting code often has significant quality issues, commonly described as spaghetti code. Structured programming replaces goto with constructs that tend to result in better code. The paradigm became popular and for the most part achieved the goal of supplanting goto. In fact, its ubiquity is so thorough that for much of software development, it is simply the way code is written, and is no longer a topic of discussion as it once was. Structured programming is sometimes associated with modular programming even though they are different. In a general sense, structured implies a sense of modularity and of being written to be efficient and easy to understand and modify, but this is not what structured programming means in a narrow sense. After structured programming became popular, the style of programming that preceded it was retroactively called non-structured programming. Although technically a programming paradigm, it differs from other paradigms in that it was not intentionally designed. It was simply the state-of-the-art before structured programming was envisioned.
Ada is a structured, statically typed, imperative, and object-oriented high-level programming language, inspired by Pascal and other languages. It has built-in language support for design by contract (DbC), extremely strong typing, explicit concurrency, tasks, synchronous message passing, protected objects, and non-determinism. Ada improves code safety and maintainability by using the compiler to find errors in favor of runtime errors. Ada is an international technical standard, jointly defined by the International Organization for Standardization (ISO), and the International Electrotechnical Commission (IEC). As of May 2023, the standard, ISO/IEC 8652:2023, is called Ada 2022 informally. Ada was originally designed by a team led by French computer scientist Jean Ichbiah of Honeywell under contract to the United States Department of Defense (DoD) from 1977 to 1983 to supersede over 450 programming languages then used by the DoD. Ada was named after Ada Lovelace (1815–1852), who has been credited as the first computer programmer.
Structured English is the use of the English language with the syntax of structured programming to communicate the design of a computer program to non-technical users by breaking it down into logical steps using straightforward English words. Structured English gives aims to get the benefits of both the programming logic and natural language: program logic helps to attain precision, whilst natural language helps with the familiarity of the spoken word. It is the basis of some programming languages such as SQL (Structured Query Language) "for use by people who have need for interaction with a large database but who are not trained programmers".
Before the 1921 destruction of Tulsa’s Greenwood District, Black residents had created a remarkable center of business and community life. The district included stores, professional offices, entertainment venues and homes owned by Black citizens. Understanding Greenwood means learning what was built—not only what was burned.
MORE →Brown v. Board of Education in 1954.
