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https://en.wikipedia.org/wiki/Information%20diving | Information diving is the practice of recovering technical data, sometimes confidential or secret, from discarded material. In recent times, this has chiefly been from data storage elements in discarded computers, most notably recoverable data remaining on hard drives. Those in charge of discarding computers usually ne... |
https://en.wikipedia.org/wiki/Volume%20boot%20record | A volume boot record (VBR) (also known as a volume boot sector, a partition boot record or a partition boot sector) is a type of boot sector introduced by the IBM Personal Computer. It may be found on a partitioned data storage device, such as a hard disk, or an unpartitioned device, such as a floppy disk, and contains... |
https://en.wikipedia.org/wiki/Incentive%20compatibility | A mechanism is called incentive-compatible (IC) if every participant can achieve the best outcome to themselves just by acting according to their true preferences. For example, there is incentive compatibility if high-risk clients are better off in identifying themselves as high-risk to insurance firms, who only sell d... |
https://en.wikipedia.org/wiki/Participation%20constraint%20%28mechanism%20design%29 | In game theory, and particularly mechanism design, participation constraints or individual rationality constraints are said to be satisfied if a mechanism leaves all participants at least as well-off as they would have been if they hadn't participated.
Unfortunately, it can frequently be shown that participation const... |
https://en.wikipedia.org/wiki/Smalley%20%28excavator%29 | A smalley is a type of small excavator with two wheels on a single axle. It had no drive to the wheels, moving instead by pulling itself along using the excavator or 'backhoe' arm. Once in location the machine worked as any other 360° excavator, with two fixed-adjustable front legs, and two rear legs which could be mec... |
https://en.wikipedia.org/wiki/EFI%20system%20partition | The EFI (Extensible Firmware Interface) system partition or ESP is a partition on a data storage device (usually a hard disk drive or solid-state drive) that is used by computers having the Unified Extensible Firmware Interface (UEFI). When a computer is booted, UEFI firmware loads files stored on the ESP to start ins... |
https://en.wikipedia.org/wiki/Maintenance-free%20operating%20period | Maintenance-free operating period (MFOP) is an alternative measure of performance to the mean time between failures (MTBF), defined as the time period during which a device will be able to perform each of its intended functions, requiring only a minimal degree of maintenance. It was originally proposed in 1996 by the U... |
https://en.wikipedia.org/wiki/Alan%20Kotok | Alan Kotok (November 9, 1941 – May 26, 2006) was an American computer scientist known for his work at Digital Equipment Corporation (Digital, or DEC) and at the World Wide Web Consortium (W3C). Steven Levy, in his book Hackers: Heroes of the Computer Revolution, describes Kotok and his classmates at the Massachusetts I... |
https://en.wikipedia.org/wiki/TrueNAS | TrueNAS is the branding for a range of free and open-source network-attached storage (NAS) operating systems produced by iXsystems, and based on FreeBSD and Linux, using the OpenZFS file system. It is licensed under the terms of the BSD License and runs on commodity x86-64 hardware.
The TrueNAS range includes free pu... |
https://en.wikipedia.org/wiki/Javier%20Barros%20Sierra | Javier Barros Sierra (25 February 1915 – 5 May 1971) was a Mexican engineer and rector of the National Autonomous University of Mexico during the 1968 Tlatelolco massacre.
Career
Born in Mexico City, he studied civil engineering at the National Autonomous University of Mexico. He became president of the student socie... |
https://en.wikipedia.org/wiki/Nasan | The Nasan Clustered File System is a shared disk file system created by the company DataPlow. Nasan software enables high-speed access to shared files located on shared, storage area network (SAN)-attached storage devices by utilizing the high-performance, scalable data transfers inherent to storage area networks and t... |
https://en.wikipedia.org/wiki/Memory%20disambiguation | Memory disambiguation is a set of techniques employed by high-performance out-of-order execution microprocessors that execute memory access instructions (loads and stores) out of program order. The mechanisms for performing memory disambiguation, implemented using digital logic inside the microprocessor core, detect t... |
https://en.wikipedia.org/wiki/Google%20Bookmarks | Google Bookmarks was an online bookmarking service from Google, launched on October 10, 2005. It was an early cloud-based service that allowed users to bookmark webpages and add labels or notes. The service never became widely adopted by Google users.
Users could securely access their bookmarks on any device by signin... |
https://en.wikipedia.org/wiki/Google%20Developers | Google Developers (previously Google Code) , application programming interfaces (APIs), and technical resources. The site contains documentation on using Google developer tools and APIs—including discussion groups and blogs for developers using Google's developer products.
There are APIs offered for almost all of Goog... |
https://en.wikipedia.org/wiki/Ring%20signature | In cryptography, a ring signature is a type of digital signature that can be performed by any member of a set of users that each have keys. Therefore, a message signed with a ring signature is endorsed by someone in a particular set of people. One of the security properties of a ring signature is that it should be co... |
https://en.wikipedia.org/wiki/Bangladesh%20Mathematical%20Olympiad | The Bangladesh Mathematical Olympiad is an annual mathematical competition arranged for school and college students to nourish their interest and capabilities for mathematics. It has been regularly organized by the Bangladesh Math Olympiad Committee since 2001. Bangladesh Math Olympiad activities started in 2003 formal... |
https://en.wikipedia.org/wiki/L%20pad | An L pad is a network composed of two impedances that typically resemble the letter capital "L" when drawn on a schematic circuit diagram. It is commonly used for attenuation and for impedance matching.
Speaker L pad
A speaker L pad is a special configuration of rheostats used to control volume while maintaining a... |
https://en.wikipedia.org/wiki/Transparent%20Inter-process%20Communication | Transparent Inter Process Communication (TIPC) is an Inter-process communication (IPC) service in Linux designed for cluster-wide operation. It is sometimes presented as Cluster Domain Sockets, in contrast to the well-known Unix Domain Socket service; the latter working only on a single kernel.
Features
Some features... |
https://en.wikipedia.org/wiki/Business-driven%20development | Business-driven development is a meta-methodology for developing IT solutions that directly satisfy business requirements. This is achieved by adopting a model-driven approach that starts with the business strategy, requirements and goals, and then refines and transforms them into an IT solution. The transformation is ... |
https://en.wikipedia.org/wiki/Data%20redundancy | In computer main memory, auxiliary storage and computer buses, data redundancy is the existence of data that is additional to the actual data and permits correction of errors in stored or transmitted data. The additional data can simply be a complete copy of the actual data (a type of repetition code), or only select p... |
https://en.wikipedia.org/wiki/Packetized%20elementary%20stream | Packetized Elementary Stream (PES) is a specification in the MPEG-2 Part 1 (Systems) (ISO/IEC 13818-1) and ITU-T H.222.0 that defines carrying of elementary streams (usually the output of an audio or video encoder) in packets within MPEG program streams and MPEG transport streams. The elementary stream is packetized by... |
https://en.wikipedia.org/wiki/Complex%20reflection%20group | In mathematics, a complex reflection group is a finite group acting on a finite-dimensional complex vector space that is generated by complex reflections: non-trivial elements that fix a complex hyperplane pointwise.
Complex reflection groups arise in the study of the invariant theory of polynomial rings. In the mid-... |
https://en.wikipedia.org/wiki/Justin%20Rattner | Justin R. Rattner is a retired Intel Senior Fellow, Corporate Vice President and former director of Intel Labs. Previously, he served as the corporation's Chief Technology Officer, where he was responsible for leading Intel's microprocessor, communications and systems technology labs and Intel Research.
In 1989, Rattn... |
https://en.wikipedia.org/wiki/Engineering%20mathematics | Engineering mathematics is a branch of applied mathematics concerning mathematical methods and techniques that are typically used in engineering and industry. Along with fields like engineering physics and engineering geology, both of which may belong in the wider category engineering science, engineering mathematics i... |
https://en.wikipedia.org/wiki/Bromodeoxyuridine | Bromodeoxyuridine (5-bromo-2'-deoxyuridine, BrdU, BUdR, BrdUrd, broxuridine) is a synthetic nucleoside analogue with a chemical structure similar to thymidine. BrdU is commonly used to study cell proliferation in living tissues and has been studied as a radiosensitizer and diagnostic tool in people with cancer.
During... |
https://en.wikipedia.org/wiki/Resolution%20independence | Resolution independence is where elements on a computer screen are rendered at sizes independent from the pixel grid, resulting in a graphical user interface that is displayed at a consistent physical size, regardless of the resolution of the screen.
Concept
As early as 1978, the typesetting system TeX due to Donald K... |
https://en.wikipedia.org/wiki/Raritan%20Inc. | Raritan is a multinational technology company that manufactures hardware for data center power distribution, remote server management, and audio visual solutions. The company is headquartered in Somerset, New Jersey (which is located near Raritan, New Jersey), and has a commercial presence in over 76 countries. Raritan... |
https://en.wikipedia.org/wiki/Geometric%20Shapes%20%28Unicode%20block%29 | Geometric Shapes is a Unicode block of 96 symbols at code point range U+25A0–25FF.
U+25A0–U+25CF
The BLACK CIRCLE is displayed when typing in a password field, in order to hide characters from a screen recorder or shoulder surfing.
U+25D0–U+25FF
The CIRCLE WITH LEFT HALF BLACK is used to represent the contrast rati... |
https://en.wikipedia.org/wiki/Landship | A landship is a large land vehicle that travels exclusively on land. Its name is meant to distinguish it from vehicles that travel through other mediums such as conventional ships, airships, and spaceships.
Military committees
Landship Committee
The British Landship Committee formed during World War I to develop arm... |
https://en.wikipedia.org/wiki/Structure%20from%20motion | Structure from motion (SfM) is a photogrammetric range imaging technique for estimating three-dimensional structures from two-dimensional image sequences that may be coupled with local motion signals. It is studied in the fields of computer vision and visual perception. In biological vision, SfM refers to the phenomeno... |
https://en.wikipedia.org/wiki/Osmotic%20shock | Osmotic shock or osmotic stress is physiologic dysfunction caused by a sudden change in the solute concentration around a cell, which causes a rapid change in the movement of water across its cell membrane. Under hypertonic conditions - conditions of high concentrations of either salts, substrates or any solute in the ... |
https://en.wikipedia.org/wiki/Introduction%20to%20Mathematical%20Philosophy | Introduction to Mathematical Philosophy is a book (1919 first edition) by philosopher Bertrand Russell, in which the author seeks to create an accessible introduction to various topics within the foundations of mathematics. According to the preface, the book is intended for those with only limited knowledge of mathemat... |
https://en.wikipedia.org/wiki/Bay%20mud | Bay mud consists of thick deposits of soft, unconsolidated silty clay, which is saturated with water; these soil layers are situated at the bottom of certain estuaries, which are normally in temperate regions that have experienced cyclical glacial cycles.
Example locations are Cape Cod Bay, Chongming Dongtan Reserve... |
https://en.wikipedia.org/wiki/Commissure | A commissure () is the location at which two objects abut or are joined. The term is used especially in the fields of anatomy and biology.
The most common usage of the term refers to the brain's commissures, of which there are five. Such a commissure is a bundle of commissural fibers as a tract that crosses the midli... |
https://en.wikipedia.org/wiki/Autonomic%20networking | Autonomic Networking follows the concept of Autonomic Computing, an initiative started by IBM in 2001. Its ultimate aim is to create self-managing networks to overcome the rapidly growing complexity of the Internet and other networks and to enable their further growth, far beyond the size of today.
Increasing size and... |
https://en.wikipedia.org/wiki/Arduino | Arduino () is an Italian open-source hardware and software company, project, and user community that designs and manufactures single-board microcontrollers and microcontroller kits for building digital devices. Its hardware products are licensed under a CC BY-SA license, while the software is licensed under the GNU Les... |
https://en.wikipedia.org/wiki/Dipotassium%20phosphate | Dipotassium phosphate (K2HPO4) (also dipotassium hydrogen orthophosphate; potassium phosphate dibasic) is the inorganic compound with the formula K2HPO4.(H2O)x (x = 0, 3, 6). Together with monopotassium phosphate (KH2PO4.(H2O)x), it is often used as a fertilizer, food additive, and buffering agent. It is a white or co... |
https://en.wikipedia.org/wiki/Operability | Operability is the ability to keep a piece of equipment, a system or a whole industrial installation in a safe and reliable functioning condition, according to pre-defined operational requirements.
In a computing systems environment with multiple systems this includes the ability of products, systems and business proc... |
https://en.wikipedia.org/wiki/Scophony | Scophony was a sophisticated mechanical television system developed in Britain by Scophony Limited. A black and white image was produced by an early form of acousto-optic modulation of a bright light using a piezoelectric crystal and water or other transparent liquid column.
Principle of operation
The light modulator... |
https://en.wikipedia.org/wiki/Cave%20survey | A cave survey is a map of all or part of a cave system, which may be produced to meet differing standards of accuracy depending on the cave conditions and equipment available underground. Cave surveying and cartography, i.e. the creation of an accurate, detailed map, is one of the most common technical activities under... |
https://en.wikipedia.org/wiki/Filter%20cake | A filter cake is formed by the substances that are retained on a filter. Filter aids, such as diatomaceous earth or activated carbon are usually used to form the filter cake. The purpose is to increase flow rate or achieve a smaller micron filtration. The filter cake grows in the course of filtration, becoming "thicker... |
https://en.wikipedia.org/wiki/History%20of%20Programming%20Languages%20%28conference%29 | History of Programming Languages (HOPL) is an infrequent ACM SIGPLAN conference. Past conferences were held in 1978, 1993, and 2007. The fourth conference was originally intended to take place in June 2020, but was postponed to 2021.
HOPL I
HOPL I was held June 1 – 3, 1978 in Los Angeles, California. Jean E. Sammet wa... |
https://en.wikipedia.org/wiki/OS2000 | Baget RTOS (rus. ОСРВ Багет) is a real-time operating system developed by the Scientific Research Institute of System Development of the Russian Academy of Sciences for a MIPS architecture (Baget-MIPS variant) and Intel board support packages (BSPs) (x86 architecture). Baget is intended for software execution in a hard... |
https://en.wikipedia.org/wiki/Bit%20Rate%20Reduction | Bit Rate Reduction, or BRR, also called Bit Rate Reduced, is a name given to
an audio compression method used on the SPC700 sound coprocessor used in the SNES, as well as the audio processors of the Philips CD-i, the PlayStation, and the Apple Macintosh Quadra series. The method is a form of ADPCM.
BRR compresses eac... |
https://en.wikipedia.org/wiki/Martian%20language | Martian language (), sometimes also called brain-disabled characters (), is the nickname of unconventional representation of Chinese characters online. "Martian" describes that which seems strange to local culture. The term was popularised by a line from the 2001 Hong Kong comedy Shaolin Soccer, in which Sing (Stephen ... |
https://en.wikipedia.org/wiki/Pirate%20game | The pirate game is a simple mathematical game. It is a multi-player version of the ultimatum game.
The game
There are five rational pirates (in strict order of seniority A, B, C, D and E) who found 100 gold coins. They must decide how to distribute them.
The pirate world's rules of distribution say that the most seni... |
https://en.wikipedia.org/wiki/Blue%20Mesa%20Reservoir | Blue Mesa Reservoir is an artificial reservoir located on the upper reaches of the Gunnison River in Gunnison County, Colorado. The largest lake located entirely within the state, Blue Mesa Reservoir was created by the construction of Blue Mesa Dam, a tall earthen fill dam constructed on the Gunnison by the U.S. Bure... |
https://en.wikipedia.org/wiki/Blue%20Mesa%20Dam | Blue Mesa Dam is a zoned earthfill dam on the Gunnison River in Colorado. It creates Blue Mesa Reservoir, and is within Curecanti National Recreation Area just before the river enters the Black Canyon of the Gunnison. The dam is upstream of the Morrow Point Dam. Blue Mesa Dam and reservoir are part of the Bureau of R... |
https://en.wikipedia.org/wiki/270%20%28number%29 | 270 (two hundred [and] seventy) is the natural number following 269 and preceding 271.
In mathematics
270 is a harmonic divisor number
270 is the fourth number that is divisible by its average integer divisor
References
Integers |
https://en.wikipedia.org/wiki/Morrow%20Point%20Dam | Morrow Point Dam is a concrete double-arch dam on the Gunnison River located in Colorado, the first dam of its type built by the U.S. Bureau of Reclamation. Located in the upper Black Canyon of the Gunnison, it creates Morrow Point Reservoir, and is within the National Park Service-operated Curecanti National Recreat... |
https://en.wikipedia.org/wiki/Cleaner%20production | Cleaner production is a preventive, company-specific environmental protection initiative. It is intended to minimize waste and emissions and maximize product output. By analysing the flow of materials and energy in a company, one tries to identify options to minimize waste and emissions out of industrial processes thr... |
https://en.wikipedia.org/wiki/Crystal%20Dam | Crystal Dam is a , double-curvature, concrete, thin arch dam located 6 miles downstream from Morrow Point Dam on the Gunnison River in Colorado, United States. Crystal Dam is the newest of the three dams in Curecanti National Recreation Area; construction on the dam was finished in 1976. The dam impounds Crystal Reser... |
https://en.wikipedia.org/wiki/Megaspore | Megaspores, also called macrospores, are a type of spore that is present in heterosporous plants. These plants have two spore types, megaspores and microspores. Generally speaking, the megaspore, or large spore, germinates into a female gametophyte, which produces egg cells. These are fertilized by sperm produced by th... |
https://en.wikipedia.org/wiki/Open%E2%80%93closed%20principle | In object-oriented programming, the open–closed principle (OCP) states "software entities (classes, modules, functions, etc.) should be open for extension, but closed for modification";
that is, such an entity can allow its behaviour to be extended without modifying its source code.
The name open–closed principle has ... |
https://en.wikipedia.org/wiki/Haxe | Haxe is a high-level cross-platform programming language and compiler that can produce applications and source code for many different computing platforms from one code-base. It is free and open-source software, released under the MIT License. The compiler, written in OCaml, is released under the GNU General Public Lic... |
https://en.wikipedia.org/wiki/Heath-Brown%E2%80%93Moroz%20constant | The Heath-Brown–Moroz constant C, named for Roger Heath-Brown and Boris Moroz, is defined as
where p runs over the primes.
Application
This constant is part of an asymptotic estimate for the distribution of rational points of bounded height on the cubic surface X03=X1X2X3. Let H be a positive real number and N(H) th... |
https://en.wikipedia.org/wiki/Consensus%20%28computer%20science%29 | A fundamental problem in distributed computing and multi-agent systems is to achieve overall system reliability in the presence of a number of faulty processes. This often requires coordinating processes to reach consensus, or agree on some data value that is needed during computation. Example applications of consensus... |
https://en.wikipedia.org/wiki/Interkinesis | Interkinesis or interphase II is a period of rest that cells of some species enter during meiosis between meiosis I and meiosis II. No DNA replication occurs during interkinesis; however, replication does occur during the interphase I stage of meiosis (See meiosis I). During interkinesis, the spindles of the first mei... |
https://en.wikipedia.org/wiki/Sum%20of%20angles%20of%20a%20triangle | In a Euclidean space, the sum of angles of a triangle equals the straight angle (180 degrees, radians, two right angles, or a half-turn).
A triangle has three angles, one at each vertex, bounded by a pair of adjacent sides.
It was unknown for a long time whether other geometries exist, for which this sum is different... |
https://en.wikipedia.org/wiki/State%20machine%20replication | In computer science, state machine replication (SMR) or state machine approach is a general method for implementing a fault-tolerant service by replicating servers and coordinating client interactions with server replicas. The approach also provides a framework for understanding and designing replication management pro... |
https://en.wikipedia.org/wiki/Cryptographic%20log%20on | Cryptographic log-on (CLO) is a process that uses Common Access Cards (CAC) and embedded Public Key Infrastructure (PKI) certificates to authenticate a user's identification to a workstation and network. It replaces the username and passwords for identifying and authenticating users. To log-on cryptographically to a ... |
https://en.wikipedia.org/wiki/Dead-beat%20control | In discrete-time control theory, the dead-beat control problem consists of finding what input signal must be applied to a system in order to bring the output to the steady state in the smallest number of time steps.
For an Nth-order linear system it can be shown that this minimum number of steps will be at most N (dep... |
https://en.wikipedia.org/wiki/Crick%20Lecture | The Francis Crick Medal and Lecture is a prize lecture of the Royal Society established in 2003 with an endowment from Sydney Brenner, the late Francis Crick's close friend and former colleague. It is delivered annually in biology, particularly the areas which Francis Crick worked (genetics, molecular biology and neur... |
https://en.wikipedia.org/wiki/Ethyl%20pentanoate | Ethyl pentanoate, also commonly known as ethyl valerate, is an organic compound used in flavors. It is an ester with the molecular formula C7H14O2. This colorless liquid is poorly soluble in water but miscible with organic solvents.
As is the case with most volatile esters, it has a pleasant aroma and taste. It is ... |
https://en.wikipedia.org/wiki/Butyl%20butyrate | Butyl butyrate, or butyl butanoate, is an organic compound that is an ester formed by the condensation of butyric acid and n-butanol. It is a clear, colorless liquid that is insoluble in water, but miscible with ethanol and diethyl ether. Its refractive index is 1.406 at 20 °C.
Aroma
Like other volatile esters, butyl... |
https://en.wikipedia.org/wiki/Social%20organism | Social organism is a sociological concept, or model, wherein a society or social structure is regarded as a "living organism". The various entities comprising a society, such as law, family, crime, etc., are examined as they interact with other entities of the society to meet its needs. Every entity of a society, or s... |
https://en.wikipedia.org/wiki/Calciphylaxis | Calciphylaxis, also known as calcific uremic arteriolopathy (CUA) or “Grey Scale”, is a rare syndrome characterized by painful skin lesions. The pathogenesis of calciphylaxis is unclear but believed to involve calcification of the small blood vessels located within the fatty tissue and deeper layers of the skin, blood ... |
https://en.wikipedia.org/wiki/Prurigo%20nodularis | Prurigo nodularis (PN), also known as nodular prurigo, is a skin disease characterised by pruritic (itchy) nodules which usually appear on the arms or legs. Patients often present with multiple excoriated lesions caused by scratching. PN is also known as Hyde prurigo nodularis, Picker's nodules, atypical nodular form o... |
https://en.wikipedia.org/wiki/Marine%20ecosystem | Marine ecosystems are the largest of Earth's aquatic ecosystems and exist in waters that have a high salt content. These systems contrast with freshwater ecosystems, which have a lower salt content. Marine waters cover more than 70% of the surface of the Earth and account for more than 97% of Earth's water supply and 9... |
https://en.wikipedia.org/wiki/Multiple%20description%20coding | Multiple description coding (MDC) in computing is a coding technique that fragments a single media stream into n substreams (n ≥ 2) referred to as descriptions. The packets of each description are routed over multiple, (partially) disjoint paths. In order to decode the media stream, any description can be used, however... |
https://en.wikipedia.org/wiki/Subaudible%20tone | A subaudible tone is a tone that is used to trigger an automated event at a radio station. A subaudible tone is audible; however, it is usually at a low level that is not noticeable to the average listener at normal volumes. It is a form of in-band signaling.
Overview
These tones are included in the audible main po... |
https://en.wikipedia.org/wiki/GRANK | GRANK, or Global Rank is a ranking of the rarity of a species, and is a useful tool in determining conservation needs.
Global Ranks are derived from a consensus of various conservation data centres, natural heritage programmes, scientific experts and NatureServe.
They are based on the total number of known, extant pop... |
https://en.wikipedia.org/wiki/NRANK | NRANK, or National Rank, is a ranking of the rarity of a species within a nation. Each nation can assign their own NRANK based on information from conservation data centres, natural heritage programmes, and expert scientists.
Taxonomy (biology) |
https://en.wikipedia.org/wiki/Indian%20Railway%20Service%20of%20Electrical%20Engineers | The Indian Railway Service of Electrical Engineers (IRSEE) is a prestigious group A central engineering services of the Indian railways. The officers of this service are responsible for managing the Electrical Engineering organisation of the Indian Railways.
The Indian railways have technical and non-technical departm... |
https://en.wikipedia.org/wiki/Indian%20Railway%20Service%20of%20Signal%20Engineers | The Indian Railway Service of Signal Engineers (IRSSE) is a central engineering services group A cadre of the Indian railways. The officers of this service are responsible for managing the Signal and Telecommunications Engineering Organization of the Indian Railways.
Recruitment
The incumbents who were Graduates in E... |
https://en.wikipedia.org/wiki/Indian%20Railway%20Service%20of%20Engineers | The Indian Railways Service of Engineers (IRSE) is one of the oldest group 'A' central engineering services recruited through the engineering services examination of the Union Public Service Commission. The officers of this service are responsible for administering the Civil Engineering organisation of the Indian Railw... |
https://en.wikipedia.org/wiki/Indian%20Railway%20Stores%20Service | The Indian Railway Stores Service (IRSS) is one of the Group A central engineering services of the Government of India. The officers of this service are procurement and logistics specialists, contract managers on the Indian Railways, providers of logistics for the transportation of material from and within various rai... |
https://en.wikipedia.org/wiki/Active%20object | The active object design pattern decouples method execution from method invocation for objects that each reside in their own thread of control. The goal is to introduce concurrency, by using asynchronous method invocation and a scheduler for handling requests.
The pattern consists of six elements:
A proxy, which prov... |
https://en.wikipedia.org/wiki/Gottfrid%20Svartholm | Per Gottfrid Svartholm Warg (born 17 October 1984), alias anakata, is a Swedish computer specialist, known as the former co-owner of the web hosting company PRQ and co-founder of the BitTorrent site The Pirate Bay together with Fredrik Neij and Peter Sunde.
Parts of an interview with Svartholm commenting on the May 20... |
https://en.wikipedia.org/wiki/PRQ | PRQ is a Swedish Internet service provider and web hosting company created in 2004.
Ownership
Based in Stockholm, PRQ was created by Gottfrid Svartholm and Fredrik Neij, two founders of The Pirate Bay.
Business model
Part of PRQ's business model is to host any customers, regardless of how odd or controversial they m... |
https://en.wikipedia.org/wiki/ArchNet | Archnet is a collaborative digital humanities project focused on Islamic architecture and the built environment of Muslim societies. Conceptualized in 1998 and originally developed at the MIT School of Architecture and Planning in co-operation with the Aga Khan Trust for Culture. It has been maintained by the Aga Khan... |
https://en.wikipedia.org/wiki/Artin%20billiard | In mathematics and physics, the Artin billiard is a type of a dynamical billiard first studied by Emil Artin in 1924. It describes the geodesic motion of a free particle on the non-compact Riemann surface where is the upper half-plane endowed with the Poincaré metric and is the modular group. It can be viewed as the... |
https://en.wikipedia.org/wiki/Chorobates | The chorobates, described by Vitruvius in Book VIII of the De architectura, was used to measure horizontal planes and was especially important in the construction of aqueducts.
Similar to modern spirit levels, the chorobates consisted of a beam of wood 6 m in length held by two supporting legs and equipped with two pl... |
https://en.wikipedia.org/wiki/ICMP%20tunnel | An ICMP tunnel establishes a covert connection between two remote computers (a client and proxy), using ICMP echo requests and reply packets. An example of this technique is tunneling complete TCP traffic over ping requests and replies.
Technical details
ICMP tunneling works by injecting arbitrary data into an echo pa... |
https://en.wikipedia.org/wiki/Voigt%20effect | The Voigt effect is a magneto-optical phenomenon which rotates and elliptizes linearly polarised light sent into an optically active medium. Unlike many other magneto-optical effects such as the Kerr or Faraday effect which are linearly proportional to the magnetization (or to the applied magnetic field for a non magne... |
https://en.wikipedia.org/wiki/Hadamard%27s%20dynamical%20system | In physics and mathematics, the Hadamard dynamical system (also called Hadamard's billiard or the Hadamard–Gutzwiller model) is a chaotic dynamical system, a type of dynamical billiards. Introduced by Jacques Hadamard in 1898, and studied by Martin Gutzwiller in the 1980s, it is the first dynamical system to be proven ... |
https://en.wikipedia.org/wiki/Full%20state%20feedback | Full state feedback (FSF), or pole placement, is a method employed in feedback control system theory to place the closed-loop poles of a plant in pre-determined locations in the s-plane. Placing poles is desirable because the location of the poles corresponds directly to the eigenvalues of the system, which control th... |
https://en.wikipedia.org/wiki/Drive%20mapping | Drive mapping is how MS-DOS and Microsoft Windows associate a local drive letter (A through Z) with a shared storage area to another computer (often referred as a File Server) over a network. After a drive has been mapped, a software application on a client's computer can read and write files from the shared storage ar... |
https://en.wikipedia.org/wiki/Acarinarium | An acarinarium is a specialized anatomical structure which is evolved to facilitate the retention of mites on the body of an organism, typically a bee or a wasp. The term was introduced by Walter Karl Johann Roepke.
Evolution
The acarinarium has evolved to enhance the mutualistic relationship between the mites and the... |
https://en.wikipedia.org/wiki/Do%21%20Run%20Run | Do! Run Run, also known as Super Pierrot (スーパーピエロ Sūpā Piero), is the fourth and final incarnation of Mr. Do!, the Universal video game mascot. Returning to his Mr. Do! roots, the clown has a bouncing powerball with which to hurl at monsters. Mr. Do runs along the playfield picking up dots and leaving a line behind him... |
https://en.wikipedia.org/wiki/SNADS | SNADS or Systems Network Architecture Distribution Services is an "asynchronous
distribution service that can store data for delayed delivery."
SNADS uses SNA data links to allow messages and objects to be sent from system to system using the APPC protocol. It is a very robust service: once an object has been accepte... |
https://en.wikipedia.org/wiki/French%20Academy%20of%20Technologies | The National Academy of Technologies of France (Académie des technologies) is a learned society, founded in 2000, with an emphasis on technology, and the newest of French academies. In 2007 it acquired the status of établissement public, which enforces its public role.
Its stated missions are as follows:
Help to bet... |
https://en.wikipedia.org/wiki/Unbundled%20network%20element | Unbundled network elements (UNEs) are a requirement mandated by the United States Telecommunications Act of 1996. They are the parts of the telecommunications network that the incumbent local exchange carriers (ILECs) are required to offer on an unbundled basis. Together, these parts make up a local loop that connects ... |
https://en.wikipedia.org/wiki/Action-angle%20coordinates | In classical mechanics, action-angle variables are a set of canonical coordinates that are useful in characterizing the nature of commuting flows in integrable systems when the conserved energy level set is compact, and the commuting flows are complete. Action-angle variables are also important in obtaining the frequen... |
https://en.wikipedia.org/wiki/Comic%20Bakery | Comic Bakery is a computer game for the MSX, made by Konami in 1984 and later a Commodore 64 conversion was made by Imagine Software.
Gameplay
The game is set in a bakery, where the town baker tries to bake and deliver bread (croissants in the MSX version) while fighting off raccoons. Pieces of bread move along a fact... |
https://en.wikipedia.org/wiki/ScaLAPACK | The ScaLAPACK (or Scalable LAPACK) library includes a subset of LAPACK routines redesigned for distributed memory MIMD parallel computers. It is currently written in a Single-Program-Multiple-Data style using explicit message passing for interprocessor communication. It assumes matrices are laid out in a two-dimensiona... |
https://en.wikipedia.org/wiki/Algebraic%20operation | In mathematics, a basic algebraic operation is any one of the common operations of elementary algebra, which include addition, subtraction, multiplication, division, raising to a whole number power, and taking roots (fractional power). These operations may be performed on numbers, in which case they are often called ar... |
https://en.wikipedia.org/wiki/Programming%20language%20specification | In computer programming, a programming language specification (or standard or definition) is a documentation artifact that defines a programming language so that users and implementors can agree on what programs in that language mean. Specifications are typically detailed and formal, and primarily used by implementors,... |
https://en.wikipedia.org/wiki/Substitution%20%28logic%29 | A substitution is a syntactic transformation on formal expressions.
To apply a substitution to an expression means to consistently replace its variable, or placeholder, symbols with other expressions.
The resulting expression is called a substitution instance, or instance for short, of the original expression.
Propo... |
https://en.wikipedia.org/wiki/Programming%20language%20implementation | In computer programming, a programming language implementation is a system for executing computer programs. There are two general approaches to programming language implementation:
Interpretation: The program is read as input by an interpreter, which performs the actions written in the program.
Compilation: The program... |
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