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Hello, i have xp-home and recently i have had the same problem. Both of them wont work when it happens.(none of the keys do.) my pc is a sony vaio pcv-rx651 1.7 ghz p4 ps/2 keyboard.any sugestions. Carvana is a sponsor of the National Hockey League's Carolina Hurricanes, USL Championship's Phoenix Rising Football Club since 2018, and IndyCar Series driver Jimmie Johnson since 2021. 19 References edit. Race 1 brisbane apg sale 31st jan 3yo maiden pace 1660m. 3yo maiden pace.

Carvana is an online used car retailer based in Tempe, Arizona.^[1] The company is known for its multi-story car vending machines, and in 2018 it was reported to be the fastest growing used car dealer in the United States.^[2][3]

History[edit]

Carvana was founded by Ernest Garcia III, Ryan Keeton and Ben Huston in 2012. The company's initial funding round came from the used car retailer and finance company, DriveTime.^[4]

In November 2013, Carvana opened its first iteration of a car vending machine. In 2015, a fully automated, coin-operated version of the signature car vending machine opened in Nashville, Tennessee.^[3]

In April 2017, the company went public and began trading on the New York Stock Exchange under the symbol CVNA.^[5]

As of May 2020, Carvana's as-soon-as-next day delivery was available in 261 markets across the country.^[6] In Q2 of 2020, the company reported a 25% increase in vehicle sales, as a result of physical dealership sellers being closed as a consequence of the COVID-19 pandemic. Carvana's had a gross revenue of $1.12 billion, up 13% for the months April–June 2020.^[7]

Business[edit]

Carvana operates as an online-only used car dealer that allows customers to shop, finance, and sell or trade-in cars through their website.^[8][9][10] The company gives customers the option of having their purchased vehicles delivered to them or they can choose to pick them up at one of the company's 24 car vending machines.^[9] Vehicles come with a seven-day return policy.^[11] In response to COVID-19, Carvana introduced touchless delivery and pick-up in March 2020.^[12]

The Houston Chronicle dubbed the company the “Amazon of Auto”.^[13] In 2019, it sold 177,549 vehicles and posted annual revenue of $3.94 billion, making it the third largest used-car retailer in the U.S.^[14]

Acquisitions[edit]

In 2017 Carvana acquired rival automotive startup Carlypso to enhance vehicle data and analytical tools.^[15] In April 2018, Carvana spent $22 million to acquire Mark Cuban-backed Car360 for its smartphone technology for taking vehicle photos with 3D computer vision, machine learning, and augmented reality.^[16][17]

Sponsorships[edit]

Carvana is a sponsor of the National Hockey League's Carolina Hurricanes, USL Championship's Phoenix Rising Football Club since 2018,^[18] and IndyCar Series driver Jimmie Johnson since 2021.^[19]

References[edit]

1. ^ ^abRingle, Hayley. 'EXCLUSIVE: See inside Carvana's new Tempe headquarters'. bizjournals.com. Retrieved November 9, 2018.
2. ^Stock, Kyle (September 20, 2018). 'Car Shopping by Click Hits Critical Mass'. Bloomberg. Retrieved October 31, 2019.
3. ^ ^abLekach, Sasha (March 21, 2019). 'Pick up your used car at Carvana's newest car-sized vending machine'. Mashable. Retrieved October 31, 2019.
4. ^'Amendment No 2 to S-1/A'. Carvana via SEC Edgar. April 17, 2017.
5. ^Weinberg, Neil; Metcalf, Tom (June 6, 2017). 'Cars in Vending Machines, a Fading IPO and an Ex-Con Owner'. Bloomberg News.
6. ^Berthiaume, Dan (May 8, 2020). 'Carvana rolls into 100 new markets'. Chain Store Age. Retrieved June 4, 2020.
7. ^Naughton, Nora (August 10, 2020). 'Growth in Online Shopping and Used Cars Lifts Carvana, Attracts Competition'. The Wall Street Journal. Retrieved August 10, 2020.
8. ^Dahlberg, Nancy (April 12, 2016), 'Online used-car retailer Carvana expanding to Miami', Miami Herald
9. ^ ^abFarmer, Blake (November 12, 2015), 'Why Nashville's Car Vending Machine Might Be More Than A Gimmick', Nashville Public Radio
10. ^Dyer, Ezra (March 23, 2016). 'Which Car-Buying Site Offers the Most for Your Ride?'. Popular Mechanics. Retrieved April 16, 2019.
11. ^News, Savannah Morning. 'Carvana launches service in Savannah'. Savannah Morning News. Retrieved April 16, 2019.
12. ^Gorzelany, Jim (March 17, 2020). 'Best Ways To Buy A Car In The Age Of Coronavirus'. Forbes. Retrieved June 4, 2020.
13. ^Takahashi, Paul (March 1, 2019). 'Group 1 Auto makes inroads in online sales'. HoustonChronicle.com. Retrieved May 6, 2020.
14. ^Deagon, Brian (February 26, 2020). 'Carvana's Earnings Miss Drives Its Stock Sharply Lower'. Investor's Business Daily. Retrieved February 27, 2020.
15. ^'The Amazon Of Cars Just Made Its First Acquisition'. Fortune. Retrieved April 16, 2019.
16. ^'Carvana acquires Car360 for $22M to improve its car-buying platform'. TechCrunch. Retrieved April 16, 2019. Car360 uses 3D computer vision, machine learning and AR tech to improve images taken of vehicles through a smartphone.
17. ^Huddleston, Tom (January 8, 2019). 'Mark Cuban says this is Shark Tank's 'No. 1 success story' after start-up sells for $22 million'. CNBC. Retrieved September 10, 2019. In April 2018, Carvana acquired Car360, the company Francois, 47, launched in 2015 that uses augmented reality technology and 3-D computer vision to allow people to take 360-degree photos of automobiles with a mobile phone.
18. ^'Phoenix Rising FC reveals 2018 uniforms, announces new sponsor'. Arizona Sports. March 11, 2018. Retrieved April 16, 2019.
19. ^'Jimmie Johnson announces Carvana as sponsor for IndyCar venture with Ganassi'. NBC Sports. October 21, 2020. Retrieved October 30, 2020.

External links[edit]

In computing, object model has two related but distinct meanings:

1. The properties of objects in general in a specific computer programming language, technology, notation or methodology that uses them. Examples are the object models of Java, the Component Object Model (COM), or Object-Modeling Technique (OMT). Such object models are usually defined using concepts such as class, generic function, message, inheritance, polymorphism, and encapsulation. There is an extensive literature on formalized object models as a subset of the formal semantics of programming languages.
2. A collection of objects or classes through which a program can examine and manipulate some specific parts of its world. In other words, the object-oriented interface to some service or system. Such an interface is said to be the object model of the represented service or system. For example, the Document Object Model (DOM) [1] is a collection of objects that represent a page in a web browser, used by script programs to examine and dynamically change the page. There is a Microsoft Excel object model [2] for controlling Microsoft Excel from another program, and the ASCOM Telescope Driver [3] is an object model for controlling an astronomical telescope.

An object model consists of the following important features:

Object Reference

Objects can be accessed via object references. To invoke a method in an object, the object reference and method name are given, together with any arguments.

Interfaces

An interface provides a definition of the signature of a set of methods without specifying their implementation. An object will provide a particular interface if its class contains code that implement the method of that interface. An interface also defines types that can be used to declare the type of variables or parameters and return values of methods.

Actions

An action in object-oriented programming (OOP) is initiated by an object invoking a method in another object. An invocation can include additional information needed to carry out the method. The receiver executes the appropriate method and then returns control to the invoking object, sometimes supplying a result.

Exceptions

Programs can encounter various errors and unexpected conditions of varying seriousness. During the execution of the method many different problems may be discovered. Exceptions provide a clean way to deal with error conditions without complicating the code. A block of code may be defined to throw an exception whenever particular unexpected conditions or errors arise. This means that control passes to another block of code that catches the exception.

See also[edit]

Literature[edit]

• Weisfeld, Matt (2003). The Object-Oriented Thought Process (2nd ed.). Sams. ISBN0-672-32611-6.
• Fowler, Martin (1996). Analysis Patterns: Reusable Object Models. Addison-Wesley. ISBN0-201-89542-0.
• Fisher, K.; Honsell, F.; Mitchell, J.C. (1994). 'A Lambda Calculus of Objects and Method Specialization'(PDF). Nordic Journal of Computing. 1: 3–37. doi:10.1109/LICS.1993.287603.
• Marini, Joe (2002). Document Object Model: Processing Structured Documents. Osborne/McGray-Hill. ISBN0-07-222436-3.
• Lippman, Stanley (1996). Inside the C++ Object Model. Addison-Wesley. ISBN0-201-83454-5.

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External links[edit]

• Document Object Model (DOM) The official W3C definition of the DOM.
• Object Model Features Matrix A 'representative sample of the design space of object models' (sense 1).
• ASCOM Standards web site

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