布尔值(Boolean values) 布尔值是特殊的整数。尽管布尔值由常量 True 和 False 来表示, 如果将布尔值放到一 个数值上下文环境中(比方将 True 与一个数字相加), True 会被当成整数值 1, 而 False 则会被当成整数值 0。 下列对象的布尔值是 False: None False (布尔类型) 所有的值为零的数: 0 (整型) 0....
Boolean 美[ˈbuliən] 英[ˈbuːliən] adj.布尔逻辑体系的(分别以 1 和 0 代指是和非) n.〔数〕布尔 网络布尔型;布尔值;布林 权威英汉双解 英汉 英英 网络释义 boolean adj. 1. 布尔逻辑体系的(分别以 1 和 0 代指是和非)connected with a system, used especially in computing and el...
Boolean Values are Represented as Integers In X++ the internal representation of a boolean is an integer. You can assign any integer value to a variable declared of type boolean. The integer value 0 (zero) evaluates to false, and all others evaluate to true. ...
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1 2 3 4 5 6 7 8 9 10 varbFound =false; vari = 0; while(!bFound) { if(aValue[i] == vSearchValues) { bFound =true; }else{ i++; } } 在这个例子中,Boolean 变量(bFound)用于记录检索是否成功。找到问题中的数据项时,bFound 将被设置为 true,!bFound 将等于 false,意味着运行将跳出...
type int and values 0 and 1 as-is; and carefully do domain conversions from any other values to these with double negation !! or if you insist you don't remember that 0 is falsy and non-zero truish, at least use upper case so that they don't get confused with the C99 concepts: ...
Many stanza entries represent a Boolean value.Security Verify Accessrecognizes the Boolean valuesyesandno. Some of the entries in the configuration files are read by other servers and utilities. For example, many entries in the[ldap]stanza are read by the LDAP client. Some of these other progra...
ArcGIS geoprocessing tool that performs a Boolean And operation on the cell values of two input rasters.
Define Boolean algebra. Boolean algebra synonyms, Boolean algebra pronunciation, Boolean algebra translation, English dictionary definition of Boolean algebra. n. An algebra in which variables may have one of two values and the operations defined on them
This code checks whetheraequals4. If so, it adds1tob; otherwise, it adds1toa. As we’ll discuss inType Conversions, any JavaScript value can be converted to a boolean value. The following values convert to, and therefore work like,false: ...