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Operator - Wikipedia, the free encyclopedia In mathematics, an operator name or an operator symbol is a notation that denotes the type of mathematical object that is known as an operation. Operators are often in practice just partial functions, a common phenomenon in the theory of differential equations since there is no guarantee that the derivative of a function exists. Three main operators are key to vector calculus, the operator ∇, known as gradient, where at a certain point in a scalar field forms a vector which points in the direction of greatest change of that scalar field. en.wikipedia.org /wiki/Operator   (1577 words)

Operator algebra page of N. C. Phillips Noncommutative geometry and operator algebras at Cardiff University. Operator algebras at the University of Southern Denmark (Odense). Noncommutative geometry and operator algebras at Vanderbilt University. darkwing.uoregon.edu /~ncp/OpAlgResources/OpAlgPages/opalg.html   (1256 words)

Telephone operator - Wikipedia, the free encyclopedia With the development of computerized telephone dialing systems, many telephone calls which previously required a live operator can be placed automatically by the calling party without additional human intervention. Callers rang up an operator at a switching office who then literally connected their wire to the proper circuit in order to complete the call. As well those employed by the public networks, operators were also needed by companies to answer incoming calls and connect them to the correct extension. en.wikipedia.org /wiki/Telephone_operator   (326 words)

How to Comply With If so, the operator also must disclose the kinds of businesses in which the third parties are engaged; the general purposes for which the information is used; and whether the third parties have agreed to maintain the confidentiality and security of the information. Operators may use email to get parental consent for all internal uses of personal information, such as marketing back to a child based on his or her preferences or communicating promotional updates about site content, as long as they take additional steps to increase the likelihood that the parent has, in fact, provided the consent. Operators who follow one of these procedures acting in good faith to a request for parental access are protected from liability under federal and state law for inadvertent disclosures of a child's information to someone who purports to be a parent. www.ftc.gov /bcp/conline/pubs/buspubs/coppa.htm   (2237 words)

PHP: Operators - Manual (the negation operator) or ++ (the increment operator). Operators on the same line have equal precedence, in which case their associativity decides which order to evaluate them in. The table also omits the precedence (and associativity) of the "execution operator" - but since that's a sort of quoting, I don't think it meaningfully has a precedence or associativity - they explain what is to happen where there's an open-endedness in the sense of missing brackets, and the quoting is a sort of bracket. www.php.net /manual/en/language.operators.php   (1292 words)

ECMAScript 4 Operators Rationale User-overridable operators had originally been part of the ECMAScript 4 proposal but were deferred to a future version of the language in order to keep ECMAScript 4 small. Operator overriding is useful, for example, to implement units without having to add units to the core of the ECMAScript 4 language. The operator invocations use pseudo-syntax to denote which operator is called; only the expression syntax on the left side of the table can be used to invoke operators. www.mozilla.org /js/language/es4/rationale/operators.html   (1167 words)

Operator v3.3.20 Operator is a complete Linux (Debian) distribution that runs from a single bootable CD and runs entirely in RAM. Operator also contains a set of computer forensic and data recovery tools that can be used to assist you in data retrieval on the local system. The technique to allow Operator to boot and run from RAM is based on a project called KNOPPIX. www.ussysadmin.com /operator   (397 words)

Operators All the binary operators use infix notation, which means that the operator appears between its operands. The ternary operator is also infix; each component of the operator appears between operands. For example, arithmetic operators, which perform basic arithmetic operations such as addition and subtraction, return numbers — the result of the arithmetic operation. java.sun.com /docs/books/tutorial/java/nutsandbolts/operators.html   (258 words)

Communications equipment operators Because of the irregular nature of telephone operator schedules, many employers seek part-time workers for those shifts that are difficult to fill. New employees in both occupations are trained in the operation of their equipment and in procedures designed to maximize efficiency. Employment of communications equipment operators is projected to decline through 2014, due largely to new labor-saving communications technologies, the movement of jobs to foreign countries, and consolidation of telephone operator jobs into fewer locations, often staffed by temporary or contract workers. stats.bls.gov /oco/ocos154.htm   (1943 words)

Oliver Sturm’s weblog - The ?? operator (C# 2.0)   (Site not responding. Last check: 2007-10-21) operator: It’s an extension in C# 2.0 (find the specs here, this operator is explained on page 14, then end of chapter 19.5) and they call it a null coalescing operator. So this should really make the purpose of the operator quite clear: check something for null, return the same something if it’s not null, the given alternative value otherwise. operator are nullable types, the return type will be the same nullable type. www.sturmnet.org /blog/archives/2005/06/15/doublequestionmark   (385 words)

Operator: click here!   (Site not responding. Last check: 2007-10-21) When callers dial “0,” they usually reach a central office operator, also known as a... operators: =, *=, /=, %=, +=, -=, >>=, <<=, and=, ^=, = left comma... Telephone companies continually strive to increase operator efficiency, and this can create a tense work environment. www.gpm-sprinklers.com /Push_Buttons/Operator.html   (87 words)

Google Guide: Using Search Operators (Advanced Operators) Since weather is not an advanced operator, there is no need to include a colon after the word. Be careful about the effects of a search operator when you use more than one of them in a query. Search operators that should either be used once in a query, or in combination with OR, include filetype: site:, and group:. www.googleguide.com /advanced_operators.html   (3099 words)

:: View topic - operator arrives Describing the vision and research behind Operator, Ableton conceptualist Robert Henke explains, “Our aim was to create a truly unique and inspiring instrument that combined the sonic richness and character of hardware synthesizers with the power of Ableton Live. By integrating Operator with Live, we were able to give users the flexibility and power of clip envelopes, hands-on control and zero latency. Operator includes several integrated lessons, complete with screenshots and sound examples, so that you can quickly discover the power of Operator’s flexible sound design ability. www.ableton.com /forum/viewtopic.php?t=15794   (1013 words)

Safe Boater - Canada Boating Exam - Boat Operator Card Test The Safe Boater Training Program was established in 1999 in response to federal legislation requiring all persons operating a boat in Canada, to have certification. Following a legislated schedule, all boat operators in Canada must carry the license that proves they have been certified. We are dedicated to helping safe minded boaters obtain the required knowledge and documentation required to operate a vessel, boat or pleasure craft on waterways in Canada. www.safeboater.com   (300 words)

operator - Offers for operator - exporters, manufacturers, suppliers, wholesale, Traders, factories, Companies   (Site not responding. Last check: 2007-10-21) We are the Forwarder / Operator of the ISO Tank Containers for all your Inbound/Outbound Shipments in/from India. The 9BA Series barrier arm operators are the result of Aviatel's efforts in developing an affordable medium duty tr... The DC Series sliding gate operators are used to drive sliding gates for residential and industrial uses. www.tradekey.com /ks-operator   (176 words)

3.10 operator -- Standard operators as functions. module exports a set of functions implemented in C corresponding to the intrinsic operators of Python. The functions fall into categories that perform object comparisons, logical operations, mathematical operations, sequence operations, and abstract type tests. The logical operations are also generally applicable to all objects, and support truth tests, identity tests, and boolean operations: www.python.org /doc/current/lib/module-operator.html   (457 words)

In Focus The Vehicle and Operator Services Agency (VOSA) provides a range of licensing, testing and enforcement services with the aim of improving the roadworthiness standards of vehicles ensuring the compliance of operators and drivers with road traffic legislation, and supporting the independent Traffic Commissioners. Operation Atlanta, run by VOSA (the Vehicle and Operator Services Agency) as the first trial check for the South East International Transport Pilot, took place last month, returning some very impressive results. The operation took place over three days (24 hour checks) in early April with the aim of checking large volumes of lorries on international journeys. www.vosa.gov.uk   (479 words)

Subtraction Operator (-) The (-) operator is used to find the difference between two numbers or to indicate the negative value of a numeric expression. In Syntax 2, the - operator is used as the unary negation operator to indicate the negative value of an expression. For information on when a run-time error is generated by Syntax 1, see the Operator Behavior table. www.c-point.com /javascript_tutorial/jsoprSubtract.htm   (161 words)

PHP: Scope Resolution Operator (::) - Manual The :: operator is being used for this. I lost some time trying to refer to class variable with this operator, so I think it may be useful to post a warning. You may want to force the getInstance() function to be called in a static way with the :: operator by testing if $this is set and raising an error or returning a null value (depending on your design). www.php.net /manual/en/keyword.paamayim-nekudotayim.php   (2449 words)

shared_ptr Comparison operators are supplied so that shared_ptr works with the standard library's associative containers. [Operator< has been preferred over a std::less specialization for consistency and legality reasons, as std::less is required to return the results of operator<, and many standard algorithms use operator< instead of std::less for comparisons when a predicate is not supplied. Note that after the containers have been populated, some of the shared_ptr objects will have a use count of 1 rather than a use count of 2, since the set is a std::set rather than a std::multiset, and thus does not contain duplicate entries. www.boost.org /libs/smart_ptr/shared_ptr.htm   (2607 words)

Operator Training Forklift operator training, backhoe training and crane operator training are all types of operator training that are necessary for you as a machine operator to receive before you can get a job in the construction industry involving heavy equipment. Forklift operator training programs teach people what they need to know in order to operate and maintain all kinds of forklifts, great and small. Although we have only discussed forklift operator training, backhoe training and crane operator training, there are other types of training because there are other machines out there that need to be driven properly! www.heavy-equipment-smart.com /training.html   (613 words)

Forklift Operator Safety Training - Forklift Safety Training Services, Inc. With this training experience we know what it takes to ensure that forklift operators learn and retain safety skills.....that is why so many companies including members of the Fortune 500 depend on our training materials to comply with OSHA's safety training requirements. (l)(2)(iii) All operator training and evaluation shall be conducted by persons who have the knowledge, TRAINING, and experience to train powered industrial truck operators and evaluate their competence. From a simple training video to a more comprehensive interactive training kit that includes all the written materials for your classroom, to ensure that your operators are provided the training that is required. www.forkliftsafety.com   (725 words)

The Bastard Operator From Hell Complete Members of the new stripy shirt brigade are full of beans and raring to go... The Bastard Operator From Hell and the Paintball session... The PFY takes the 'how to be a Bastard Operator From Hell' test... members.iinet.com.au /~bofh   (973 words)

Right Shift Assignment Operator (>>=) The (>>=) operator is used to shift the bits of an expression to the right, preserving sign. The >>= operator shifts the bits of result right by the number of bits specified in expression. For information on when a run-time error is generated by the >>= operator, see the Operator Behavior table. www.c-point.com /javascript_tutorial/jsoprrshftequ.htm   (141 words)

Camera Operator Howard is available to operate broadcast television and video cameras and camcorders, supplied by the production company, outside broadcast company, or live event company, etc. Howard is also experienced in rigging and operating most ENG/PSC/EFP broadcast television and video cameras and camcorders by Ikegami, Philips/Thomson, Sony etc, as well as a wide range of broadcast lenses, tripods, fluid-heads, hot heads, microwave links, and camera supports, etc. Howard is comfortable working from heights, and is experienced in operating, and shooting from, very high hydraulic hoist platforms. www.gartonmedia.com /tv__camera_crew1.htm   (488 words)

Springfield Armory - Products - Pistols - 1911-A1 - Operator   (Site not responding. Last check: 2007-10-21) The Operator model pistol is the only pistol offered by a major 1911 manufacturer having a light mounting rail forged directly into the pistol frame. The standardized Picatinny mounting platform readily receives the most popular whitelight, infrared and laser illuminating devices used by US military Spec-Ops and law enforcement SWAT teams. Micro Compact LW Bi-Tone operator w/ light rail, equipped w/ an XML Mini Light™ www.springfield-armory.com /prod-pstl-1911-op.shtml   (96 words)

Operator Services - Powered by Network America Network America offers a wide array of customized international operator services, including: private branded operator services, hospitality operator assistance, operator services for public phone companies, wholesale operator services, inmate operator services (automated operator service) and enhanced operator services for international telecom agents and alternative access providers. Domestic Synopsis: Operator services are provided to CLEC and ILEC customers across the USA. Network America offers a large assortment of customized operator services, including: wholesale operator services, hospitality operator services, operator services for payphones companies, wholesale operator services, inmate operator services (automated operator services) and basic operator services for aggregators and alternative access providers. www.networkam.net   (158 words)

Boolean Searching on the Internet   (Site not responding. Last check: 2007-10-21) A proximity operator determines the closeness of terms within the text of a source document. Implied Boolean logic refers to a search in which symbols are used to represent Boolean logical operators. Usually the logical operator is expressed with substitute language rather than with the operator itself. library.albany.edu /internet/boolean.html   (969 words)

The Annotated Operator The first was August 18, 1970, in a show at the Fillmore West in San Francisco that also featured the first "Brokedown Palace," "Ripple", and "Truckin'". Operator (That's Not the Way it Feels); w.m. William Spivey (Performed by The Manhattan Transfer on the B side of a single, ca. arts.ucsc.edu /gdead/agdl/operator.html   (479 words)

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