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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 · In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn . The sequence commonly starts from 0 and 1, although some authors start the sequence from 1 and 1 or sometimes (as did Fibonacci ...
2 天前 · Peru, officially the Republic of Peru, is a country in western South America.It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pacific Ocean.Peru is a megadiverse country with habitats ranging from the arid plains of the Pacific coastal region in the west to the peaks of the Andes ...
1 天前 · Uzbekistan, officially the Republic of Uzbekistan, is a doubly landlocked country located in Central Asia.It is surrounded by five countries: Kazakhstan to the north, Kyrgyzstan to the northeast, Tajikistan to the southeast, Afghanistan to the south, and Turkmenistan to the southwest, making it one of only two doubly landlocked countries on Earth, the other being Liechtenstein.
1 天前 · 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.[d] It is the world's ninth-most populous country and Europe's most populous country. Russia is a highly urbanized ...
2 天前 · Serbia,[c] officially the Republic of Serbia,[d] is a landlocked country at the crossroads of Southeast and Central Europe,[8][9] located in the Balkans and the Pannonian Plain. It borders Hungary to the north, Romania to the northeast, Bulgaria to the southeast, North Macedonia to the south, Croatia and Bosnia and Herzegovina to the west, and ...
1 天前 · Burundi, [c] officially the Republic of Burundi, [d] is a landlocked country in the Great Rift Valley at the junction between the African Great Lakes region and East Africa. It is bordered by Rwanda to the north, Tanzania to the east and southeast, and the Democratic Republic of the Congo to the west; Lake Tanganyika lies along its southwestern ...
