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3 days ago · The cover of the book The C Programming Language, first edition, by Brian Kernighan and Dennis Ritchie. In 1978, Brian Kernighan and Dennis Ritchie published the first edition of The C Programming Language. [18] Known as K&R from the initials of its authors, the book served for many years as an informal specification of the language.
3 days ago · The horse (Equus ferus caballus) [2] [3] is a domesticated, one-toed, hoofed mammal. It belongs to the taxonomic family Equidae and is one of two extant subspecies of Equus ferus. The horse has evolved over the past 45 to 55 million years from a small multi-toed creature, close to Eohippus, into the large, single
2 days ago · Diabetes mellitus, often known simply as diabetes, is a group of common endocrine diseases characterized by sustained high blood sugar levels. [10] [11] Diabetes is due to either the pancreas not producing enough insulin, or the cells of the body becoming unresponsive to the hormone's effects. [12]
3 days ago · Long COVID is a patient-created term coined early in the pandemic by those suffering from long-term symptoms. [13] [14] While long COVID is the most prevalent name, the terms long-haul COVID, post-COVID-19 syndrome, post-COVID-19 condition, [1] [15] post-acute sequelae of COVID-19 (PASC), and chronic COVID syndrome are also in use. [5]
2 days ago · The cat (Felis catus), commonly referred to as the domestic cat or house cat, is a small domesticated carnivorous mammal. It is the only domesticated species of the family Felidae.
1 day ago · Russia, [b] or the Russian Federation, [c] is a country spanning Eastern Europe and North Asia.It is the largest country in the world by area, extending across eleven time zones and sharing land borders with fourteen countries.
2 days ago · Vitamin D is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and for many other biological effects. [1] [2] In humans, the most important compounds in this group are vitamin D 3 (cholecalciferol) and vitamin D 2 (ergocalciferol). [2] [3]
