我在prolog中编程一个家庭,我在使用nephew实现时遇到了麻烦.当我问埃里克是否是阿尔贝托的侄子时,它返回真实,因为它应该返回假,因为阿尔贝托是埃里克的父亲,然而,它确实适用于所有其他应该是真实的情况.如果有人能帮助我,我将非常感激.我的代码:
man(beto).
man(fransisco).
man(alberto).
man(jaime).
man(manolo).
man(nolo).
man(lito).
man(manuel).
man(erick).
man(jesu).
man(jesus).
woman(emi).
woman(harumi).
woman(haru).
woman(yuneisi).
woman(yasmeli).
woman(mioara).
woman(elia).
woman(iza).
woman(alice).
woman(ofelia).
woman(arlet).
parent(manuel, alberto).
parent(ofelia, alberto).
parent(manuel, jaime).
parent(ofelia, jaime).
parent(manuel, manolo).
parent(ofelia, manolo).
parent(alberto, erick).
parent(alberto, beto).
parent(alberto, fransisco).
parent(emi, erick).
parent(emi, beto).
parent(manolo, nolo).
parent(manolo, arlet).
parent(nolo, lito).
parent(iza, lito).
parent(mioara, yuneisi).
parent(mioara, yasmeli).
parent(jaime, yuneisi).
parent(jaime, yasmeli).
parent(jesus_padre, jesu)
parent(jesus_padre, alice).
parent(jesus_padre, haru).
parent(harumi, haru).
parent(harumi, jesu).
parent(harumi, alice).
father(X,Y) :- parent(X,Y), man(X).
mother(X,Y) :- parent(X,Y), …Run Code Online (Sandbox Code Playgroud) 我有一个 main@SpringBootApplication需要扫描特定的包才能启用 JPA 存储库,因此我使用@EnableJpaRepositories它来指定它。现在我正在实现单元测试,我只想测试控制器组件,所以我按照官方文档中的教程进行操作,他们使用@WebMvcTest(MyController.class)服务依赖项来测试控制器。问题是这对我不起作用,因为它试图加载我在主 Spring Boot 应用程序中指定的 JpaRepositories (当我@EnableJpaRepositories在主类中注释时,测试运行没有问题)。
我猜我需要为测试类创建一个特定的配置,这样它就可以忽略主要配置(因为我只想加载控制器并模拟服务层),但我不知道如何创建这样的配置。我尝试添加一个空配置,但它仍然失败并出现相同的错误:
@TestConfiguration
static class TestConfig {}
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这是我得到的错误:
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'failureTaskHandler': Unsatisfied dependency expressed through field 'myManager'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'msgManager': Unsatisfied dependency expressed through field 'inboundManager'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'inboundManager': Unsatisfied dependency expressed through field 'messageRepository'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name …Run Code Online (Sandbox Code Playgroud) 我正在编写一个小C代码,它存在一个变量作为int指针.进程应该做的是减去该变量的值,直到它达到0.问题是每个进程看起来都有自己的变量副本,即使程序打印的地址是相同的.这是否因为每个进程在内存中都有自己的空间?
这是输出:
START
Account address: 0x7ffee5820be0
Parent substracted 10. Account value: 90, address 0x7ffee5820be0
Parent substracted 10. Account value: 80, address 0x7ffee5820be0
Parent substracted 10. Account value: 70, address 0x7ffee5820be0
Parent substracted 10. Account value: 60, address 0x7ffee5820be0
Parent substracted 10. Account value: 50, address 0x7ffee5820be0
Parent substracted 10. Account value: 40, address 0x7ffee5820be0
Parent substracted 10. Account value: 30, address 0x7ffee5820be0
Parent substracted 10. Account value: 20, address 0x7ffee5820be0
Parent substracted 10. Account value: 10, address 0x7ffee5820be0
Parent substracted …Run Code Online (Sandbox Code Playgroud) c ×1
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