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Couch surfing is usually missed by homeless counts and is therefore a type of hidden homelessness. For example, in 2017, HUD counted 114 thousand children as homeless in the United States in their homeless count, while surveys conducted by the Department of Education concluded there were 1.3 million. [ 8 ]
CouchSurfing is a hospitality exchange service by which users can request free short-term homestays or interact with other people who are interested in travel. It is accessible via a website and mobile app .
In mathematics, the moving sofa problem or sofa problem is a two-dimensional idealization of real-life furniture-moving problems and asks for the rigid two-dimensional shape of the largest area that can be maneuvered through an L-shaped planar region with legs of unit width. [1] The area thus obtained is referred to as the sofa constant.
Homeless children sleeping in New York City, 1890. Photographed by Jacob Riis.. Youth homelessness is the problem of homelessness or housing insecurity amongst young people around the globe, extending beyond the absence of physical housing in most definitions and capturing familial instability, poor housing conditions, or future uncertainty (couch surfing, van living, hotels).
The variety and size of waves varies tremendously, as does surf craft, and to some degree even the medium. Harnessing the momentum of a wave for travel is the loosest definition of surfing, so in popular culture, the term is often applied to many forms of expanded "surfing". Particularly "surfing the web" and "couch surfing" common examples ...
The problem for graphs is NP-complete if the edge lengths are assumed integers. The problem for points on the plane is NP-complete with the discretized Euclidean metric and rectilinear metric. The problem is known to be NP-hard with the (non-discretized) Euclidean metric. [3]: ND22, ND23
Lamo was known as the "Homeless Hacker" for his reportedly transient lifestyle, [66] claiming that he spent much of his travels couch-surfing, squatting in abandoned buildings, and traveling to Internet cafés, libraries, and universities to investigate networks, sometimes exploiting security holes. [6]
Where available, ICD-10 codes are listed. When codes are available both as a sign/symptom (R code) and as an underlying condition, the code for the sign is used. When there is no symptoms for a disease that a patient has, the patient is said to be asymptomatic.