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5 天前 · The number π (/paɪ/; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159. The number π appears in many formulae across mathematics and physics. It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although ...
4 天前 · Non-binary and genderqueer are umbrella terms for gender identities that are not solely male or female (identities outside the gender binary). Non-binary identities often fall under the transgender umbrella since non-binary people typically identify with a gender that is different from the sex assigned to them at birth, though some non-binary people do not consider themselves transgender.
3 天前 · 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] Classic symptoms include thirst, polyuria ...
1 天前 · The port numbers in the range from 0 to 1023 (0 to 2 10 − 1) are the well-known ports or system ports. They are used by system processes that provide widely used types of network services. On Unix-like operating systems, a process must execute with superuser privileges to be able to bind a network socket to an IP address using one of the well-known ports.
1 天前 · C ( pronounced / ˈsiː / – like the letter c) [6] is a general-purpose programming language. It was created in the 1970s by Dennis Ritchie and remains very widely used and influential. By design, C's features cleanly reflect the capabilities of the targeted CPUs. It has found lasting use in operating systems, device drivers, and protocol ...
3 天前 · In 1869, Goldman Sachs was founded by Marcus Goldman in New York City in a one-room basement office next to a coal chute. In 1882, Goldman's son-in-law Samuel Sachs joined the firm. In 1885, Goldman's son, Henry Goldman, and his son-in-law, Ludwig Dreyfuss, joined the business and the firm adopted its present name, Goldman Sachs & Co. The company pioneered the use of commercial paper for ...
1 天前 · John F. Kennedy International Airport. / 40.63972°N 73.77889°W / 40.63972; -73.77889. John F. Kennedy International Airport [a] ( IATA: JFK, ICAO: KJFK, FAA LID: JFK) is a major international airport serving New York City and its metropolian area, in the state of New York, United States. The airport is the busiest of the seven ...
