properties | 易学教程

Where does slf4j-jdk14 get logging configurations from?

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问题 Where does slf4j-jdk14 get configurations from? I am using compile group: 'org.slf4j', name: 'slf4j-jdk14', version: '1.8.0-alpha2' and importing import org.slf4j.Logger; import org.slf4j.LoggerFactory; In my java file my code is as below: Logger logger=LoggerFactory.getLogger(AppTest.class); logger.info("This is my login!!"); I am getting logs genereated but dont know where it is taking properties from. I want to disable Info logs from my property file as well as put those logs to file. I

How to create in C# WPF a DataGrid dynamic columns binded to an observable collection of dynamic properties types at runtime

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问题 I'm trying to create in C# WPF a DataGrid with dynamic columns binded to an observable collection of dynamic properties types created at runtime. This is my code : View WPF <DataGrid ItemsSource="{Binding MyCollectionVM, Mode=OneWay}" AutoGenerateColumns="True"> </DataGrid> Then in my ViewModel : public class MyStatiClass { public int ID { get; set; } public string Name { get; set; } public string Address { get; set; } } // Main View Model, using MVVMLight library public class MainViewModel :

How to create in C# WPF a DataGrid dynamic columns binded to an observable collection of dynamic properties types at runtime

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Spring conditional yaml property value

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问题 That's how one line of my .yaml properties file looks like: profiles.active: rabbit-${CLUSTER_ENV}, mongo-${CLUSTER_ENV} ... I want to put the below logic only for rabbit- property: if(CLUSTER_ENV == "local") { return "dev"; } else { return CLUSTER_ENV; } Other properties should be filled with local but only in this place the property value should be conditionally filled. Can I somehow add this logic in Spring yaml properties? 回答1: It does not look pretty, but you can use something like:

“WFLYCTL0216: Management resource not found”

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问题 I am passing dbUrl through systemProperties to maven-cargo plugin with wildfly15 container. But getting the following error. Please help to understand the reason [INFO] [talledLocalContainer] 17:52:06,880 ERROR [org.jboss.as.cli.CommandContext] (main) { [INFO] [talledLocalContainer] "outcome" => "failed", [INFO] [talledLocalContainer] "failure-description" => "WFLYCTL0216: Management resource '[(\"system-property\" => \"dbUrl\")]' not found", [INFO] [talledLocalContainer] "rolled-back" =>

Initializing (list) properties in constructor using reflection

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问题 I am trying to initialize all properties in class (lists) with using reflection: public class EntitiesContainer { public IEnumerable<Address> Addresses { get; set; } public IEnumerable<Person> People { get; set; } public IEnumerable<Contract> Contracts { get; set; } public EntitiesContainer() { var propertyInfo = this.GetType().GetProperties(); foreach (var property in propertyInfo) { property.SetValue(property, Activator.CreateInstance(property.GetType()), null); } } } I am getting exception

Spring boot configuration: how to return always same random value when referenced?

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问题 I have the application property APP_ID that should be randomly generated (UUID) and that should have the same value for the entire Spring Boot application. What I did was the following: I defined in the application.properties file the APP_ID=${random.uuid} . The UUID gets created successfully, however for every property reference @Value("${APP_ID}") I will get a different UUID. Example: In class Foo I want to use the appId : @Value("${APP_ID}") private String appId; In class Bar I want to use

Spring Boot 配置文件： application.properties和application.yaml

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application.properties 和 application.yaml 的使用大致上是一直的。 properties 文件比较常见，但是相对于 properties 而言，yaml 更加简洁明了，而且使用的场景也更多，很多开源项目都是使用 yaml 进行配置（例如 Hexo）。除了简洁，yaml 还有另外一个特点，就是 yaml 中的数据是有序的，properties 中的数据是无序的。在一些需要路径匹配的配置中，顺序就显得尤为重要（例如我们在 Spring Cloud Zuul 中的配置），此时我们一般采用 yaml 查看了这两个博客的介绍，收获颇受，故此分享记录下： yaml文件的介绍： https://mp.weixin.qq.com/s/dbSBzFICIDPLkj5Tuv2-yA properties文件的介绍： http://springboot.javaboy.org/2019/0530/application.properties 　　　　　　　　　　或则 https://blog.csdn.net/Thinkingcao/article/details/102611095 来源： https://www.cnblogs.com/Roger2Lj/p/12658589.html

Groovy: how to test if a property access will be successful?

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问题 I have a variable Object foo, which is not null. I want to use foo.bar, but only if it won't bomb me with 'No such property: bar for class: Whatever'. How should I do the following test: if (/*test-here*/) { use(foo.bar) } 回答1: Use object.hasProperty(propertyName) . This will return a truthy value (the property reference) if the property exists. Also object.metaClass.hasProperty(instance, propertyName) is possible. Use object.respondsTo(methodName) to test for method existence. 回答2: I do this

PHP copy all object properties to this

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问题 I have an object in PHP, of the type MyObject . $myObject instanceof MyObject Now, in the class MyObject , there is a non-static function, and in there, I use the reference to "me", like $this , but I also have another object there. Is it possible, without doing $this = $myObject , to achieve more or less the same effect, like something of the sort set_object_vars($this, get_object_vars($myObject)) ? 回答1: <?php class MyObject { public function import(MyObject $object) { foreach (get_object