2014年12月22日 · 0L is a long integer value with all the bits set to zero - that's generally the definition of 0. The ~ means to invert all the bits, which leaves you with a long integer with all the bits set to one. In two's complement arithmetic (which is almost universal) a signed value with all bits set to one is -1.

2021年8月6日 · 2.0o(o 大写英文字母o) 表示八进制的前缀 也可以使用空格加上0 注意是空格加上0 即:" 0" 例如 在chrome中按F12 在console控制台中可以输入字符串 " 076" 或者输入 "0O76" 查看结果是 62

0O (zero O) or 0-O may refer to: 0o, 0_o, and 0.o, a kaomoji emoticon that may refer to shocked, disturbed, or confused. 0-O, abbreviation for 0-operand instruction set; 0o, or zero object, a mathematics term for a simultaneously initial and terminal object; 0O, …

2020年9月15日 · JavaScript/Python：八进制数值的前缀可以为0 0o 0O三种皆可。 Java/C：八进制数值只能用一种前缀0，不能用0o 0O，否则会报错(报错内容见文末) 至于Java和C中八进制数值常量只能以0开头，可能是因为这两种都是编译型的语言，而JavaScript和Python都是解释型的语言。

2023年8月8日 · In Python, 0o, 0x and 0b are prefix notations used to represent numbers in different number systems. 0o is used to indicate an octal (base-8) number. Octal numbers use the digits 0 to 7. 0x is used to indicate a hexadecimal (base-16) number. Hexadecimal numbers use the digits 0 to 9 and the letters A to F to represent values 10 to 15.

0 (zero) is a number representing an empty quantity. Adding (or subtracting) 0 to any number leaves that number unchanged; in mathematical terminology, 0 is the additive identity of the integers, rational numbers, real numbers, and complex numbers, as …

我也是来搜这个原因的，本以为理解了命名原因后比较好记忆，结果发现……0b代表的Binary、0o代表的Octal、0x代表的Hexadecimal这可比它原来的单单一个0b、0o、0x难记多了……

Zero to the power of zero, denoted as 00, is a mathematical expression with different interpretations depending on the context. In certain areas of mathematics, such as combinatorics and algebra, 00 is conventionally defined as 1 because this assignment simplifies many formulas and ensures consistency in operations involving exponents.

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0（零／〇）是代表“空量”（无）的一个数。0是-1与1之间的整数，属于偶数，其既不是正数也不是负数。 0是大多数记数系统的位值记号，同样作为占位符 数字使用。这种用法起源于印度数学，中世纪时经伊斯兰数学家传播到欧洲，并由斐波那契推广。玛雅人 ...