identifier

问题 As a follow-up to a previous question where I asked for a solution to a broken problem, I'm trying to find a way to express an arbitrary identifier in a "readable" way. Context: we are working with entities (domain model objects from DDD), which have an identity . This identity (mapped to a database primary key) can be expressed as a string: '123' , 'ABC' . Some entities can have a compound identity , i.e. composed of two or more other entities' identity : array('123','ABC') . Sometimes, we

问题 This question already has answers here : Get current page programmatically (4 answers) Closed 3 years ago . I need something that will uniquely identify my JSF (XHTML) page. I know that I have: String URI = servletRequest.getRequestURI(); This gives my full path, but that doesn't help if I use PrettyFaces or any other URL changing library. 回答1: You can use UIViewRoot#getViewId() for this: String viewId = FacesContext.getCurrentInstance().getViewRoot().getViewId(); It's also available in EL as

问题 Here i have an actionscript3 code in which i am creating an array of objects. Basically in the array are multiple instances of the same object. I want to make an event listener which calls a function f0 which rotates the object 90 degrees. My problem is i can't find a way to asign unique identifiers to each object in array, so when i click an object i want it to rotate, but only the first element of the array rotates. I also want to center my rotation so that the object doesn't rotate in (0,0

问题 Working on an idea for a simple HTMLElement wrapper I stumbled upon the following for Internet Explorer and Chrome: For a given HTMLElement with ID in the DOM tree, it is possible to retrieve the div using its ID as the variable name. So for a div like <div id="example">some text</div> in Internet Explorer 8 and Chrome you can do: alert(example.innerHTML); //=> 'some text' or alert(window['example'].innerHTML); //=> 'some text' So, does this mean every element in the DOM tree is converted to

问题 I am learning Javascript via Codecademy and no have been stumped on this little piece here. I have supposed to write an if else statement. It shows me here in the following that there is a Syntac Error with a missing identifier: var userAnswer = prompt("Are you feeling lucky, punk?"); if (userAnswer === "yes"); { console.log("Batman hits you very hard. It's Batman and you're you! Of course Batman wins!"); } else { console.log("You did not say yes to feeling lucky. Good choice! You are a

问题 I've been trying to use a Postgres database for authentication with Spring security. This is my SQL table definition: CREATE TABLE "UTILISATEUR" ( "IdUtilisateur" serial NOT NULL, "Nom" character varying(50), "Prenom" character varying(50), "Profil" character varying(50), "Pseudo" character varying(20), "IdSite" integer DEFAULT 0, "Password" character varying(1024), role character varying(45), CONSTRAINT "UTILISATEUR_pkey" PRIMARY KEY ("IdUtilisateur"), CONSTRAINT fk1u FOREIGN KEY (role)

问题 Eclipse's Debug panel shows a list of threads. If a thread is paused and is waiting for an object's lock, then Eclipse will display waiting for: (id=101) . How do I use Eclipse to show me the object for id 101? Note: This is an ID assigned by the debugger and has nothing to do with System.identityHashCode() or hashCode() . Note: This question asks how to get the ID of the object given the object. My question is the reverse. 来源： https://stackoverflow.com/questions/51294224/find-the-object-by

问题 I am learning Scala, and playing with right associate unapply object. I know that if the name ends with ':' then it becomes right associative. However, there seems to be some strange restrictions on the naming e.g. These are invalid object cons: { def unapply(value: String): Option[(Char, List[Char])] = ??? } object :_cons_: { def unapply(value: String): Option[(Char, List[Char])] = ??? } These are valid object cons_: { def unapply(value: String): Option[(Char, List[Char])] = ??? } object >>:

问题 For your information, I have already implemented In-app Purchase in the application and it is working fine with Content Hosting at Apple as well as Server Model .I have logic in my app to check whether user has already downloaded the content ,if not download it using NKIssue as it is Newsstand app. Here is the my requirement for Subscription : There is one issue of the magazine published each month. What I want is for users to subscribe i.e. for 3,6,12 months, and during this time, they

问题 For your information, I have already implemented In-app Purchase in the application and it is working fine with Content Hosting at Apple as well as Server Model .I have logic in my app to check whether user has already downloaded the content ,if not download it using NKIssue as it is Newsstand app. Here is the my requirement for Subscription : There is one issue of the magazine published each month. What I want is for users to subscribe i.e. for 3,6,12 months, and during this time, they