我们通过重命名int创建了一个Boolean类型:#define BOOL int(虽然有些程序员会使用宏定义的方式来实现此目的,但类型定义仍然是定义新类型的最佳方法。) 6) 、控制条件编译。例如,在程序中出现的宏定义可能表明需要将程序在“调试模式”下进行编译,来使用额外的语句输出调试信息:#define DEBUG(这里顺便提一下,如前面...
sbr.registerSingleton(IMPORT_REGISTRY_BEAN_NAME, parser.getImportRegistry()); }if(this.metadataReaderFactory instanceof CachingMetadataReaderFactory) {// Clear cache in externally provided MetadataReaderFactory; this is a no-op// for a shared cache since it'll be cleared by the ApplicationContext....
The following data types are supported: text, Boolean (true/false), color, and URL. Creating an editable tag attribute inserts a template parameter in the code. An initial value for the attribute is set in the template document; when a template-based document is created, it inherits the ...
the programming language it uses, or the operations that can perform on it. Moreover, different data items can be numerical values, alphanumeric values, decimals, boolean, etc.
JavaScript 的数据类型可以分为 7 种:空(Null)、未定义(Undefined)、数字(Number)、字符串(String)、布尔值(Boolean)、符号(Symbol)、对象(Object)。 其中前 6 种类型为基础类型,最后 1 种为引用类型。这两者的区别在于: 基础类型的数据在被引用或拷贝时,是值传递,也就是说会创建一个完全相等的变量; ...
The matches and not_matches operators expect an argument that conforms to the Java regular expression syntax. For more information, seejava.util.regex.Pattern. Compound expressions You can combine expressions using the following Boolean operators: ...
解释java>、>>、>>>三者的区别 在java中: 1、>表示大于,如:if(a>b)...结果是boolean类型 2、>>表示右移(有符号右移),如:15>>2的结果是3,-31>>3的结果是-4,左边以该数的符号位补充,移出的部分将被抛弃。 转为二进制的形式可能更好理解(省略左边的三个字节),0000 1111(15)右移2位的结果是...
public boolean equals(Object obj) Overrides: equals in class Object hashCode public int hashCode() Overrides: hashCode in class Object clone public DefineExpressionRequest clone() Description copied from class: AmazonWebServiceRequest Creates a shallow clone of this object for all field...
void setAutowireCandidate(boolean autowireCandidate); // 是否作为主选的bean void setPrimary(boolean primary); // 创建这个bean的类的名称 void setFactoryBeanName(@Nullable String factoryBeanName); // 创建这个bean的方法的名称 void setFactoryMethodName(@Nullable String factoryMethodName); ...
Changelog: PHP 7.3: Defining case-insensitive constants is deprecated.PHP 7: The value parameter can also be an array.PHP 5: The value parameter must be a string, integer, float, boolean or NULL.❮ PHP Misc Reference Track your progress - it's free! Log in Sign Up COLOR...