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https://en.wikipedia.org/wiki/Database%20engine | A database engine (or storage engine) is the underlying software component that a database management system (DBMS) uses to create, read, update and delete (CRUD) data from a database. Most database management systems include their own application programming interface (API) that allows the user to interact with their ... |
https://en.wikipedia.org/wiki/QED%20manifesto | The QED manifesto was a proposal for a computer-based database of all mathematical knowledge, strictly formalized and with all proofs having been checked automatically. (Q.E.D. means in Latin, meaning "which was to be demonstrated.")
Overview
The idea for the project arose in 1993, mainly under the impetus of Robert ... |
https://en.wikipedia.org/wiki/DBase | dBase (also stylized dBASE) was one of the first database management systems for microcomputers and the most successful in its day. The dBase system included the core database engine, a query system, a forms engine, and a programming language that tied all of these components together.
Originally released as Vulcan fo... |
https://en.wikipedia.org/wiki/Vladimir%20Vapnik | Vladimir Naumovich Vapnik (; born 6 December 1936) is a computer scientist, researcher, and academic. He is one of the main developers of the Vapnik–Chervonenkis theory of statistical learning and the co-inventor of the support-vector machine method and support-vector clustering algorithms.
Early life and education
Vl... |
https://en.wikipedia.org/wiki/Million%20Book%20Project | The Million Book Project (or the Universal Library) was a book digitization project led by Carnegie Mellon University School of Computer Science and University Libraries from 2007 to 2008. Working with government and research partners in India (Digital Library of India) and China, the project scanned books in many lang... |
https://en.wikipedia.org/wiki/Macintosh%20SE/30 | The Macintosh SE/30 is a personal computer designed, manufactured and sold by Apple Computer from January 1989 to October 1991. It is the fastest of the original black-and-white compact Macintosh series.
The SE/30 has a black-and-white monitor and a single Processor Direct Slot (rather than the NuBus slots of the IIx,... |
https://en.wikipedia.org/wiki/Macintosh%20IIci | The Macintosh IIci is a personal computer designed, manufactured, and sold by Apple Computer, Inc. from September 1989 to February 1993. It is a more powerful version of the Macintosh IIcx, released earlier that year, and shares the same compact case design. With three NuBus expansion slots and a Processor Direct Slot... |
https://en.wikipedia.org/wiki/Data%20Display%20Debugger | Data Display Debugger (GNU DDD) is a graphical user interface (using the Motif toolkit) for command-line debuggers such as GDB, DBX, JDB, HP Wildebeest Debugger, XDB, the Perl debugger, the Bash debugger, the Python debugger, and the GNU Make debugger. DDD is part of the GNU Project and distributed as free software und... |
https://en.wikipedia.org/wiki/Liberal%20International | Liberal International (LI) is a worldwide organization of liberal political parties. The political international was founded in Oxford in 1947 and has become the pre-eminent network for liberal parties aiming to strengthen liberalism around the world. Its headquarters are at 1 Whitehall Place, London, SW1A 2HD, within ... |
https://en.wikipedia.org/wiki/SIM%20lock | A SIM lock, simlock, network lock, carrier lock or (master) subsidy lock is a technical restriction built into GSM and CDMA mobile phones by mobile phone manufacturers for use by service providers to restrict the use of these phones to specific countries and/or networks. This is in contrast to a phone (retrospectively ... |
https://en.wikipedia.org/wiki/Ruud%20de%20Wild | Rudolf Alexander de Wild (born 24 April 1969) is a Dutch radio host. He is also a former DJ, VJ and was one of the faces of the now-defunct television network Talpa.
On 6 May 2002, when he worked for radio station 3FM, he interviewed Pim Fortuyn. After the interview De Wild and Fortuyn stepped outside where De Wild wi... |
https://en.wikipedia.org/wiki/Canadian%20Trusted%20Computer%20Product%20Evaluation%20Criteria | The Canadian Trusted Computer Product Evaluation Criteria (CTCPEC) is a computer security standard published in 1993 by the Communications Security Establishment to provide an evaluation criterion on IT products. It is a combination of the TCSEC (also called Orange Book) and the European ITSEC approaches.
CTCPEC led ... |
https://en.wikipedia.org/wiki/Declarative%20programming | In computer science, declarative programming is a programming paradigm—a style of building the structure and elements of computer programs—that expresses the logic of a computation without describing its control flow.
Many languages that apply this style attempt to minimize or eliminate side effects by describing wha... |
https://en.wikipedia.org/wiki/BMP | BMP may refer to:
Computing
Basic Multilingual Plane, related to the Unicode character set
Beep Media Player, an obsolete media player related to XMMS
BMP file format, an image file format with the extension .bmp
BGP Monitoring Protocol (RFC 7854), a network protocol for monitoring BGP sessions
Vehicles
BMP dev... |
https://en.wikipedia.org/wiki/ALGOL%20W | ALGOL W is a programming language. It is based on a proposal for ALGOL X by Niklaus Wirth and Tony Hoare as a successor to ALGOL 60. ALGOL W is a relatively simple upgrade of the original ALGOL 60, adding string, bitstring, complex number and reference to record data types and call-by-result passing of parameters, int... |
https://en.wikipedia.org/wiki/With%20This%20Ring%20%28TV%20series%29 | With This Ring (originally known as Happily Ever After) was a prime time panel show aired by the DuMont Television Network on Sundays from January 21, 1951, to March 11, 1951.
The show featured engaged white, opposite-sex couples discussing marriage and marital problems. The show was initially hosted by Bill Slater, b... |
https://en.wikipedia.org/wiki/Winsock | In computing, the Windows Sockets API (WSA), later shortened to Winsock, is an application programming interface (API) that defines how Windows network application software should access network services, especially TCP/IP. It defines a standard interface between a Windows TCP/IP client application (such as an FTP clie... |
https://en.wikipedia.org/wiki/Structural%20induction | Structural induction is a proof method that is used in mathematical logic (e.g., in the proof of Łoś' theorem), computer science, graph theory, and some other mathematical fields. It is a generalization of mathematical induction over natural numbers and can be further generalized to arbitrary Noetherian induction. St... |
https://en.wikipedia.org/wiki/3DNow%21 | 3DNow! is a deprecated extension to the x86 instruction set developed by Advanced Micro Devices (AMD). It adds single instruction multiple data (SIMD) instructions to the base x86 instruction set, enabling it to perform vector processing of floating-point vector operations using vector registers, which improves the pe... |
https://en.wikipedia.org/wiki/Instructions%20per%20cycle | In computer architecture, instructions per cycle (IPC), commonly called instructions per clock, is one aspect of a processor's performance: the average number of instructions executed for each clock cycle. It is the multiplicative inverse of cycles per instruction.
Explanation
While early generations of CPUs carried... |
https://en.wikipedia.org/wiki/Shugart%20Associates | Shugart Associates (later Shugart Corporation) was a computer peripheral manufacturer that dominated the floppy disk drive market in the late 1970s and is famous for introducing the -inch "Minifloppy" floppy disk drive. In 1979 it was one of the first companies to introduce a hard disk drive form factor compatible with... |
https://en.wikipedia.org/wiki/Permit%20to%20travel | In the ticketing system of the British rail network, a Permit to Travel provisionally allows passengers to travel on a train when they have not purchased a ticket in advance and the ticket office of the station they are travelling from is closed, without incurring a penalty fare.
Because some rail passengers may trave... |
https://en.wikipedia.org/wiki/Geometric%20primitive | In vector computer graphics, CAD systems, and geographic information systems, geometric primitive (or prim) is the simplest (i.e. 'atomic' or irreducible) geometric shape that the system can handle (draw, store). Sometimes the subroutines that draw the corresponding objects are called "geometric primitives" as well. Th... |
https://en.wikipedia.org/wiki/Enumeration | An enumeration is a complete, ordered listing of all the items in a collection. The term is commonly used in mathematics and computer science to refer to a listing of all of the elements of a set. The precise requirements for an enumeration (for example, whether the set must be finite, or whether the list is allowed to... |
https://en.wikipedia.org/wiki/Time%20Sharing%20Option | Time Sharing Option (TSO) is an interactive time-sharing environment for IBM mainframe operating systems, including OS/360 MVT, OS/VS2 (SVS), MVS, OS/390, and z/OS.
Use
In computing, time-sharing is a design technique that allows many people to use a computer system concurrently and independently—without interfering ... |
https://en.wikipedia.org/wiki/Radiant | Radiant may refer to:
Computers, software, and video games
Radiant (software), a content management system
GtkRadiant, a level editor created by id Software for their games
Radiant AI, a technology developed by Bethesda Softworks for The Elder Scrolls games
Radiant, the team that opposes Dire on Dota 2
Music
Rad... |
https://en.wikipedia.org/wiki/United%20Way | United Way is an international network of over 1,800 local nonprofit fundraising affiliates. United Way was the largest nonprofit organization in the United States by donations from the public, prior to 2016.
United Way organizations raise funds primarily via workplace campaigns, where employers solicit contributions ... |
https://en.wikipedia.org/wiki/Boolean | Any kind of logic, function, expression, or theory based on the work of George Boole is considered Boolean.
Related to this, "Boolean" may refer to:
Boolean data type, a form of data with only two possible values (usually "true" and "false")
Boolean algebra, a logical calculus of truth values or set membership
B... |
https://en.wikipedia.org/wiki/Media%20coverage%20of%20the%20Iraq%20War | The 2003 invasion of Iraq involved unprecedented U.S. media coverage, especially cable news networks.
U.S. mainstream media coverage
The most popular cable network in the United States for news on the war was Fox News, and had begun influencing other media outlets' coverage. At the time, Fox News was owned by Rupert M... |
https://en.wikipedia.org/wiki/Transaction%20processing | In computer science, transaction processing is information processing that is divided into individual, indivisible operations called transactions. Each transaction must succeed or fail as a complete unit; it can never be only partially complete.
For example, when you purchase a book from an online bookstore, you exc... |
https://en.wikipedia.org/wiki/Pwd | In Unix-like and some other operating systems, the pwd command (print working directory) writes the full pathname of the current working directory to the standard output.
Implementations
Multics had a pwd command (which was a short name of the print_wdir command) from which the Unix pwd command originated. The command... |
https://en.wikipedia.org/wiki/1984%20%28advertisement%29 | "1984" is an American television commercial that introduced the Apple Macintosh personal computer. It was conceived by Steve Hayden, Brent Thomas, and Lee Clow at Chiat/Day, produced by New York production company Fairbanks Films, and directed by Ridley Scott. The ad was an allusion to George Orwell's noted 1949 novel,... |
https://en.wikipedia.org/wiki/Memory%20card | A memory card is an electronic data storage device used for storing digital information, typically using flash memory. These are commonly used in digital portable electronic devices. They allow adding memory to such devices using a card in a socket instead of protruding USB flash drives.
History
The basis for memory c... |
https://en.wikipedia.org/wiki/Order%20of%20operations | In mathematics and computer programming, the order of operations is a collection of rules that reflect conventions about which operations to perform first in order to evaluate a given mathematical expression.
These rules are formalized with a ranking of the operators. The rank of an operator is called its precedence,... |
https://en.wikipedia.org/wiki/Early%20stopping | In machine learning, early stopping is a form of regularization used to avoid overfitting when training a learner with an iterative method, such as gradient descent. Such methods update the learner so as to make it better fit the training data with each iteration. Up to a point, this improves the learner's performance ... |
https://en.wikipedia.org/wiki/Eldon%20C.%20Hall | Eldon Hall was the leader of hardware design efforts for the Apollo Guidance Computer (AGC) at MIT, and advocated the use of integrated circuits for this task. He wrote extensively of the development of the AGC, culminating in his 1996 book, Journey to the Moon: The History of the Apollo Guidance Computer ()
He pursue... |
https://en.wikipedia.org/wiki/Subtyping | In programming language theory, subtyping (also called subtype polymorphism or inclusion polymorphism) is a form of type polymorphism. A subtype is a datatype that is related to another datatype (the supertype) by some notion of substitutability, meaning that program elements (typically subroutines or functions), writt... |
https://en.wikipedia.org/wiki/C%C3%B4te%20d%27Azur%20Observatory | The Côte d'Azur Observatory (, OCA) is a network of astronomical observatories throughout southern France. It originated in 1988 with the merger of two observatories:
Nice Observatory
Centre de recherches en géodynamique et astrométrie (CERGA)
Cote d'Azure Observatory tested beam combining technology at CHARA array.... |
https://en.wikipedia.org/wiki/Uniform%20Crime%20Reports | The Uniform Crime Reporting (UCR) program compiles official data on crime in the United States, published by the Federal Bureau of Investigation (FBI). UCR is "a nationwide, cooperative statistical effort of nearly 18,000 city, university and college, county, state, tribal, and federal law enforcement agencies voluntar... |
https://en.wikipedia.org/wiki/ASCII%20%28magazine%29 | was a monthly released microcomputer magazine in Japan, published by ASCII Corporation from 1977. It targeted business users who used a personal computer in their home and office, but it sometimes introduced computer games and computer music. It was also known as the written along with the title from Vol. 2 No. 4, and... |
https://en.wikipedia.org/wiki/Transport%20in%20Aruba | Transport in Aruba is facilitated by road, air, and rail. Aruba features a well-established road network, with the majority of the roads being paved. However, as one ventures towards the interior of the island, the prevalence of paved roads decreases, giving way to more rugged terrain. Conversely, coastal areas typical... |
https://en.wikipedia.org/wiki/Stateful%20firewall | In computing, a stateful firewall is a network-based firewall that individually tracks sessions of network connections traversing it. Stateful packet inspection, also referred to as dynamic packet filtering, is a security feature often used in non-commercial and business networks.
Description
A stateful firewall keeps... |
https://en.wikipedia.org/wiki/Emergent%20algorithm | An emergent algorithm is an algorithm that exhibits emergent behavior. In essence an emergent algorithm implements a set of simple building block behaviors that when combined exhibit more complex behaviors. One example of this is the implementation of fuzzy motion controllers used to adapt robot movement in response ... |
https://en.wikipedia.org/wiki/Write%20protection | Write protection is any physical mechanism that prevents writing, modifying, or erasing data on a device. Most commercial software, audio and video on writeable media is write-protected when distributed.
Examples
IBM -inch magnetic tape reels, introduced in the 1950s, had a circular groove on one side of the reel, i... |
https://en.wikipedia.org/wiki/Stress%20testing%20%28computing%29 | In computing, stress testing (sometimes called torture testing) can be applied to either hardware or software. It is used to determine the maximum capability of a computer system and is often used for purposes such as scaling for production use and ensuring reliability and stability. Stress tests typically involve runn... |
https://en.wikipedia.org/wiki/OBject%20EXchange | OBEX (abbreviation of OBject EXchange, also termed IrOBEX) is a communication protocol that facilitates the exchange of binary objects between devices. It is maintained by the Infrared Data Association but has also been adopted by the Bluetooth Special Interest Group and the SyncML wing of the Open Mobile Alliance (OMA... |
https://en.wikipedia.org/wiki/Porting | In software engineering, porting is the process of adapting software for the purpose of achieving some form of execution in a computing environment that is different from the one that a given program (meant for such execution) was originally designed for (e.g., different CPU, operating system, or third party library). ... |
https://en.wikipedia.org/wiki/Endian | Endian may refer to:
Endianness, the order of the bytes, comprising a digital word, in computer memory
Endian Firewall, a Linux distribution of the South Tyrolean company Endian
See also
Big-endians, a fictional group in Gulliver's Travels |
https://en.wikipedia.org/wiki/Automake | In software development, GNU Automake is a programming tool to automate parts of the compilation process. It eases usual compilation problems. For example, it points to needed dependencies.
It automatically generates one or more Makefile.in from files called Makefile.am. Each Makefile.am contains, among other things, ... |
https://en.wikipedia.org/wiki/Base64 | In computer programming, Base64 is a group of tetrasexagesimal binary-to-text encoding schemes that represent binary data (more specifically, a sequence of 8-bit bytes) in sequences of 24 bits that can be represented by four 6-bit Base64 digits.
As with all binary-to-text encoding schemes, Base64 is designed to carry ... |
https://en.wikipedia.org/wiki/MTV2 | MTV2 (formerly M2) is an American pay television channel owned by the Paramount Media Networks division of Paramount Global.
The channel launched initially as an all-music video service, once the original MTV had started to shift its programming. As with its parent network, MTV2's focus on music programming would grad... |
https://en.wikipedia.org/wiki/Wardialing | Wardialing (or war dialing) is a technique to automatically scan a list of telephone numbers, usually dialing every number in a local area code to search for modems, computers, bulletin board systems (computer servers) and fax machines. Hackers use the resulting lists for various purposes: hobbyists for exploration, an... |
https://en.wikipedia.org/wiki/2000s%20in%20film | The decade of the 2000s in film involved many significant developments in the film industries around the world, especially in the technology used. Building on advancements from the 1990s, computers were used to create effects that would have previously been more expensive, from the subtle erasing of surrounding islands... |
https://en.wikipedia.org/wiki/Michael%20A.%20Jackson%20%28computer%20scientist%29 | Michael Anthony Jackson (born 16 February 1936) is a British computer scientist, and independent computing consultant in London, England. He is also a visiting research professor at the Open University in the UK.
Biography
Born in Birmingham to Montagu M. Jackson and Bertha (Green) Jackson, Jackson was educated at Har... |
https://en.wikipedia.org/wiki/Command%20%28computing%29 | In computing, a command is a directive to a computer program to perform a specific task. It may be issued via a command-line interface or as input to a network service as part of a network protocol, or as an event triggered in a graphical user interface.
Specifically, the term command is used in imperative programming... |
https://en.wikipedia.org/wiki/RCP | RCP may refer to:
Architecture
Reinforced concrete pipe
Reflected ceiling plan
Computer technology
RCP (chip), a co-processor chip designed by Silicon Graphics for use in the Nintendo 64 gaming system
rcp (Unix), a command on the Unix operating systems that is used to remote copy a file
Rapid control prototypi... |
https://en.wikipedia.org/wiki/VH1 | VH1 (originally an initialism of Video Hits One) is an American basic cable television network based in New York City. It was created by Warner-Amex Satellite Entertainment, at the time a division of Warner Communications and the original owner of MTV, and launched on January 1, 1985, in the former space of Turner Broa... |
https://en.wikipedia.org/wiki/Gambas | Gambas is the name of an object-oriented dialect of the BASIC programming language, as well as the integrated development environment that accompanies it. Designed to run on Linux and other Unix-like computer operating systems, its name is a recursive acronym for Gambas Almost Means Basic. Gambas is also the word for p... |
https://en.wikipedia.org/wiki/Win32s | Win32s is a 32-bit application runtime environment for the Microsoft Windows 3.1 and 3.11 operating systems. It allowed some 32-bit applications to run on the 16-bit operating system using call thunks. A beta version of Win32s was available in October 1992. Version 1.10 was released in July 1993 simultaneously with Wi... |
https://en.wikipedia.org/wiki/At%20%28command%29 | In computing, at is a command in Unix-like operating systems, Microsoft
Windows, and ReactOS used to schedule commands to be executed once, at a particular time in the future.
Design
Unix-like
On Unix-like operating systems, at reads a series of commands from standard input and collects them into one "at-job" which ... |
https://en.wikipedia.org/wiki/Anita%20Borg | Anita Borg (January 17, 1949 – April 6, 2003) was an American computer scientist celebrated for advocating for women’s representation and professional advancement in technology. She founded the Institute for Women and Technology and the Grace Hopper Celebration of Women in Computing.
Education and early life
Borg was... |
https://en.wikipedia.org/wiki/Newton%20polynomial | In the mathematical field of numerical analysis, a Newton polynomial, named after its inventor Isaac Newton, is an interpolation polynomial for a given set of data points. The Newton polynomial is sometimes called Newton's divided differences interpolation polynomial because the coefficients of the polynomial are calcu... |
https://en.wikipedia.org/wiki/Elasticity | Elasticity often refers to:
Elasticity (physics), continuum mechanics of bodies that deform reversibly under stress
Elasticity may also refer to:
Information technology
Elasticity (data store), the flexibility of the data model and the clustering
Elasticity (system resource), a defining feature of distributed sys... |
https://en.wikipedia.org/wiki/Boot%20sector | A boot sector is the sector of a persistent data storage device (e.g., hard disk, floppy disk, optical disc, etc.) which contains machine code to be loaded into random-access memory (RAM) and then executed by a computer system's built-in firmware (e.g., the BIOS).
Usually, the very first sector of the hard disk is the... |
https://en.wikipedia.org/wiki/Daisyworld | Daisyworld, a computer simulation, is a hypothetical world orbiting a star whose radiant energy is slowly increasing or decreasing. It is meant to mimic important elements of the Earth-Sun system. James Lovelock and Andrew Watson introduced it in a paper published in 1983 to illustrate the plausibility of the Gaia hyp... |
https://en.wikipedia.org/wiki/John%20Draper | John Thomas Draper (born March 11, 1943), also known as Captain Crunch, Crunch, or Crunchman (after the Cap'n Crunch breakfast cereal mascot), is an American computer programmer and former phone phreak. He is a widely known figure within the computer programming world and the hacker and security community, and generall... |
https://en.wikipedia.org/wiki/Wardriving | Wardriving is the act of searching for Wi-Fi wireless networks, usually from a moving vehicle, using a laptop or smartphone. Software for wardriving is freely available on the internet.
Warbiking, warcycling, warwalking and similar use the same approach but with other modes of transportation.
Etymology
War driving o... |
https://en.wikipedia.org/wiki/Vampire%20tap | A vampire tap (also called a piercing tap) is a device for physically connecting a station, typically a computer, to a network that used 10BASE5 cabling. This device clamped onto and "bit" into the cable (hence the name "vampire"), inserting a probe through a hole drilled using a special tool through the outer shieldin... |
https://en.wikipedia.org/wiki/Network%20Information%20Service | The Network Information Service, or NIS (originally called Yellow Pages or YP), is a client–server directory service protocol for distributing system configuration data such as user and host names between computers on a computer network. Sun Microsystems developed the NIS; the technology is licensed to virtually all ot... |
https://en.wikipedia.org/wiki/Network%20information%20system | A network information system (NIS) is an information system for managing networks, such as electricity network, water supply network, gas supply network, telecommunications network., or street light network
NIS may manage all data relevant to the network, e.g.- all components and their attributes, the connectivity bet... |
https://en.wikipedia.org/wiki/EDA | EDA or Eda may refer to:
Computing
Electronic design automation
Enterprise Desktop Alliance, a computer technology consortium
Enterprise digital assistant
Estimation of distribution algorithm
Event-driven architecture
Exploratory data analysis
Government and politics
Economic Development Administration, an a... |
https://en.wikipedia.org/wiki/Electronic%20design%20automation | Electronic design automation (EDA), also referred to as electronic computer-aided design (ECAD), is a category of software tools for designing electronic systems such as integrated circuits and printed circuit boards. The tools work together in a design flow that chip designers use to design and analyze entire semicond... |
https://en.wikipedia.org/wiki/Inline%20expansion | In computing, inline expansion, or inlining, is a manual or compiler optimization that replaces a function call site with the body of the called function. Inline expansion is similar to macro expansion, but occurs during compilation, without changing the source code (the text), while macro expansion occurs prior to com... |
https://en.wikipedia.org/wiki/Grub%20%28search%20engine%29 | Grub is an open source distributed search crawler platform.
Users of Grub could download the peer-to-peer grubclient software and let it run during their computer's idle time. The client indexed the URLs and sent them back to the main grub server in a highly compressed form. The collective crawl could then, in theory,... |
https://en.wikipedia.org/wiki/LookSmart | LookSmart is an American search advertising, content management, online media, and technology company. It provides search, machine learning and chatbot technologies as well as pay-per-click and contextual advertising services.
LookSmart also licenses and manages search ad networks as white-label products. It abides by... |
https://en.wikipedia.org/wiki/Eclipse%20%28software%29 | Eclipse is an integrated development environment (IDE) used in computer programming. It contains a base workspace and an extensible plug-in system for customizing the environment. It is the second-most-popular IDE for Java development, and, until 2016, was the most popular. Eclipse is written mostly in Java and its pri... |
https://en.wikipedia.org/wiki/List%20of%20places%20in%20Guatemala | This is a list of places in Guatemala.
List of most populous cities in Guatemala
Population data up to number 30 is based on the 2018 census.
Ancient cities and important ruins
Cancuén
Dos Pilas
El Baul
Iximche
Kaminaljuyu
Machaquila
El Mirador
La Joyanca
Mixco Viejo
Naranjo
Nakbé
Piedras Negras
Quiri... |
https://en.wikipedia.org/wiki/Lifetime%20%28TV%20network%29 | Lifetime is an American basic cable channel that is part of Lifetime Entertainment Services, a subsidiary of A&E Networks, which is jointly owned by Hearst Communications and The Walt Disney Company. It features programming that is geared toward women or features women in lead roles.
, it is received by 93.8 million ho... |
https://en.wikipedia.org/wiki/Cray | Cray Inc., a subsidiary of Hewlett Packard Enterprise, is an American supercomputer manufacturer headquartered in Seattle, Washington. It also manufactures systems for data storage and analytics. Several Cray supercomputer systems are listed in the TOP500, which ranks the most powerful supercomputers in the world.
Cra... |
https://en.wikipedia.org/wiki/Thomas%20write%20rule | In computer science, particularly the field of databases, the Thomas write rule is a rule in timestamp-based concurrency control. It can be summarized as ignore outdated writes.
It states that, if a more recent transaction has already written the value of an object, then a less recent transaction does not need to per... |
https://en.wikipedia.org/wiki/Timestamp-based%20concurrency%20control | In computer science, a timestamp-based concurrency control algorithm is a non-lock concurrency control method. It is used in some databases to safely handle transactions, using timestamps.
Operation
Assumptions
Every timestamp value is unique and accurately represents an instant in time.
A higher-valued timestamp o... |
https://en.wikipedia.org/wiki/Non-lock%20concurrency%20control | In Computer Science, in the field of databases, non-lock concurrency control is a concurrency control method used in relational databases without using locking.
There are several non-lock concurrency control methods, which involve the use of timestamps on transaction to determine transaction priority:
Optimistic con... |
https://en.wikipedia.org/wiki/Concurrency%20control | In information technology and computer science, especially in the fields of computer programming, operating systems, multiprocessors, and databases, concurrency control ensures that correct results for concurrent operations are generated, while getting those results as quickly as possible.
Computer systems, both soft... |
https://en.wikipedia.org/wiki/Executable | In computing, executable code, an executable file, or an executable program, sometimes simply referred to as an executable or binary, causes a computer "to perform indicated tasks according to encoded instructions", as opposed to a data file that must be interpreted (parsed) by a program to be meaningful.
The exact i... |
https://en.wikipedia.org/wiki/Lagrange%20polynomial | In numerical analysis, the Lagrange interpolating polynomial is the unique polynomial of lowest degree that interpolates a given set of data.
Given a data set of coordinate pairs with the are called nodes and the are called values. The Lagrange polynomial has degree and assumes each value at the corresponding no... |
https://en.wikipedia.org/wiki/Conservative%20two-phase%20locking | In computer science, conservative two-phase locking (C2PL) is a locking method used in DBMS and relational databases.
Conservative 2PL prevents deadlocks.
The difference between 2PL and C2PL is that C2PL's transactions obtain all the locks they need before the transactions begin. This is to ensure that a transaction... |
https://en.wikipedia.org/wiki/Self-modifying%20code | In computer science, self-modifying code (SMC or SMoC) is code that alters its own instructions while it is executing – usually to reduce the instruction path length and improve performance or simply to reduce otherwise repetitively similar code, thus simplifying maintenance. The term is usually only applied to code wh... |
https://en.wikipedia.org/wiki/Domain%20relational%20calculus | In computer science, domain relational calculus (DRC) is a calculus that was introduced by Michel Lacroix and Alain Pirotte as a declarative database query language for the relational data model.
In DRC, queries have the form:
where each Xi is either a domain variable or constant, and denotes a DRC formula. The res... |
https://en.wikipedia.org/wiki/Write%E2%80%93read%20conflict | In computer science, in the field of databases, write–read conflict, also known as reading uncommitted data, is a computational anomaly associated with interleaved execution of transactions.
Given a schedule S
T2 could read a database object A, modified by T1 which hasn't committed. This is a dirty or inconsistent re... |
https://en.wikipedia.org/wiki/Write%E2%80%93write%20conflict | In computer science, in the field of databases, write–write conflict, also known as overwriting uncommitted data is a computational anomaly associated with interleaved execution of transactions.
Given a schedule S
note that there is no read in this schedule. The writes are called blind writes.
We have a lost update.... |
https://en.wikipedia.org/wiki/Read%E2%80%93write%20conflict | In computer science, in the field of databases, read–write conflict, also known as unrepeatable reads, is a computational anomaly associated with interleaved execution of transactions.
Given a schedule S
In this example, T1 has read the original value of A, and is waiting for T2 to finish. T2 also reads the original... |
https://en.wikipedia.org/wiki/10BROAD36 | 10BROAD36 is an obsolete computer network standard in the Ethernet family. It was developed during the 1980s and specified in IEEE 802.3b-1985. The Institute of Electrical and Electronics Engineers standards committee IEEE 802 published the standard that was ratified in 1985 as an additional section 11 to the base Ethe... |
https://en.wikipedia.org/wiki/IBM%20PS/2 | The Personal System/2 or PS/2 is IBM's second generation of personal computers. Released in 1987, it officially replaced the IBM PC, XT, AT, and PC Convertible in IBM's lineup. Many of the PS/2's innovations, such as the 16550 UART (serial port), 1440 KB 3.5-inch floppy disk format, 72-pin SIMMs, the PS/2 port, and the... |
https://en.wikipedia.org/wiki/ESDI | ESDI may refer to:
ESDi School of Design, at University Ramon Llull, Barcelona, Spain
Enhanced Small Disk Interface, a computer disk interface
European Security and Defence Identity, a European initiative in NATO overseen by the Western European Union
Escola Superior de Desenho Industrial, at Rio de Janeiro State ... |
https://en.wikipedia.org/wiki/Linux%20Gazette | The Linux Gazette was a monthly self-published Linux computing webzine, published between July 1995 and June 2011. Its content was published under the Open Publication License.
History
It was started in July 1995 by John M. Fisk as a free service. He went on to pursue his studies and become a medical doctor. At Mr. F... |
https://en.wikipedia.org/wiki/Multiversion%20concurrency%20control | Multiversion concurrency control (MCC or MVCC), is a concurrency control method commonly used by database management systems to provide concurrent access to the database and in programming languages to implement transactional memory.
Description
Without concurrency control, if someone is reading from a database at the... |
https://en.wikipedia.org/wiki/Polymorphic%20code | In computing, polymorphic code is code that uses a polymorphic engine to mutate while keeping the original algorithm intact - that is, the code changes itself every time it runs, but the function of the code (its semantics) will not change at all. For example, the simple math expressions 3+1 and 6-2 both achieve the sa... |
https://en.wikipedia.org/wiki/SNP | SNP may refer to:
Computing
SNP (complexity), in theoretical computer science
SNP file format, for Microsoft Access reports
Scalable Networking Pack, to extend Microsoft Windows Server 2003
Secure Network Programming, a prototype Internet protocol and API
SnP file or Touchstone file, an electrical circuit simu... |
https://en.wikipedia.org/wiki/Basic%20block | In compiler construction, a basic block is a straight-line code sequence with no branches in except to the entry and no branches out except at the exit. This restricted form makes a basic block highly amenable to analysis. Compilers usually decompose programs into their basic blocks as a first step in the analysis proc... |
https://en.wikipedia.org/wiki/Binary%20translation | In computing, binary translation is a form of binary recompilation where sequences of instructions are translated from a source instruction set to the target instruction set. In some cases such as instruction set simulation, the target instruction set may be the same as the source instruction set, providing testing and... |
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