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3 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.
2 天前 · Benedict Timothy Carlton Cumberbatch CBE (born 19 July 1976) is an English actor. Known for his work on screen and stage, he has received various accolades, including a BAFTA TV Award, a Primetime Emmy Award and a Laurence Olivier Award, in addition to nominations for two Academy Awards and four Golden Globes. In 2014, Time magazine named him ...
2 天前 · Tuberculosis ( TB ), also known colloquially as the " white death ", or historically as consumption, [7] is an infectious disease usually caused by Mycobacterium tuberculosis (MTB) bacteria. [1] Tuberculosis generally affects the lungs, but it can also affect other parts of the body. [1] Most infections show no symptoms, in which case it is ...
1 天前 · Background Titanic on sea trials, 2 April 1912 At the time of her entry into service on 2 April 1912, the Titanic was the second of three Olympic-class ocean liners, and was the largest ship in the world.She and the earlier RMS Olympic were almost one and a half times the gross register tonnage of Cunard's RMS Lusitania and RMS Mauretania, the previous record holders, and were nearly 100 feet ...
2 天前 · Hewlett-Packard. / 37.4136; -122.1451. The Hewlett-Packard Company, commonly shortened to Hewlett-Packard ( / ˈhjuːlɪt ˈpækərd / HYEW-lit PAK-ərd) or HP, was an American multinational information technology company headquartered in Palo Alto, California. HP developed and provided a wide variety of hardware components, as well as software ...
1 天前 · Volodymyr Oleksandrovych Zelenskyy[a][b][c] (born 25 January 1978) is a Ukrainian politician and former actor who has been serving as the sixth president of Ukraine since 2019. Born to a Ukrainian Jewish family, Zelenskyy grew up as a native Russian speaker in Kryvyi Rih, a major city of Dnipropetrovsk Oblast in central Ukraine. Before his ...
1 天前 · The number π (/ p aɪ /; 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 fractions such as are commonly used to ...
