scope

问题 When referencing global variables, one can see that functions and classes handle this differently. The first is fine and the second causes an error: x = 10 class Foo(): x = x + 1 a = foo() Vs: x = 10 def faa(): x = x + 1 faa() In the Python execution model, this is described as: A class definition is an executable statement that may use and define names. These references follow the normal rules for name resolution with an exception that unbound local variables are looked up in the global

问题 On this site there is the following paragraph (emphasis mine): automatic storage duration. The storage is allocated when the block in which the object was declared is entered and deallocated when it is exited by any means (goto, return, reaching the end). One exception is the VLAs; their storage is allocated when the declaration is executed, not on block entry, and deallocated when the declaration goes out of scope, not than when the block is exited (since C99) . If the block is entered

问题 I am running protractor and jasmine to run unit tests. I need to know the build version of my web app in order to execute different tests. I have declared a variable to store this version value. var version =''; I am getting the version number by using the following code. menuObject.modaltext.getText().then(function(text) { version = text.slice(79,86); console.log(version); browser.driver.sleep(7000); }); The version number is acquired correctly and is consoled properly. But when i use this

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 6 years ago . How to serialize the ViewModel ($scope) in AngularJS? I'm planning to store the serialized value to a ASP.NET server-side div to persists across postbacks. 回答1: $scope is an object created by AngularJS to interact with the markup. It can contain methods that can be referenced from html. You can create a simple

问题 This question already has answers here : Access overridden global variable inside a function (2 answers) Closed 3 years ago . How to access global variable from a function when the name is same as argument name in JavaScript ? var name = null; function func(name) { // How to set the global variable with the passed value } 回答1: If you are really talking about a global variable this can be done this way: function func(name) { window.name=name; } in a browser or function func(name) { global.name

问题 UPDATE: OK I am about ready to give up on Pacakages and classes. No answers coming. Not sure what to do. I tried to make the question easier and made a new post but I was down voted for it. as3 calling a function in another class I am TOTALLY NEW to using PACKAGES and CLASSES. I am finally converting over from the timeline after having so many issues. Please be patient with my lack of knowledge. I need to know how to call a function in the child swf file I loaded from code in the maintime in

问题 This question already has answers here : AngularJS: How can I pass variables between controllers? (15 answers) Closed 5 years ago . I know this has been posted before but I am still confused on how to achieve this for my specific problem. my first controller: myApp.controller("buttonCtrl", function($scope){ $scope.johnny = [ {quote: "Anything for My Princess", controller: Princess}, {quote: "Don't Even Ask", controller: DontAsk}]; } Now I would like to use the $scope.johnny object in this

问题 Hi i try to write a pomfile wich supports running unittests + running on server in eclipse. But m2eclipse ignores the scopes and always deployes everything to the server. either i get java.lang.NoClassDefFoundError: javax/servlet/jsp/el/ELException because i've not included the "javaee-web-api" with code or i get Caused by: java.lang.LinkageError: loader constraint violation: when resolving interface method "javax.servlet.jsp.JspApplicationContext.getExpressionFactory()Ljavax/el

问题 What is the scope of variables that are declared as private in an inner class? For example what would be the scope of key variable in th code given below. package redblacktrees; public class RedBlackTrees<Key extends Comparable <Key>,Val> { private Node root; private class Node { private Key key; //what is thescope of this variable private Val val; private Node left, right; } public Val get(Key key) { Node x = root; while(x != null) { int cmp = key.compareTo(x.key); if(cmp < 0) x = x.left;

问题 I am having trouble with a python class i wrote, the particular problem is in the parseData() function. at the end of the function i have commented where the problem is. The problem is that when i finish the inner loop of the code towards the bottom of the parseData() function is run the value of self.listOfParsedWeatherData is correct, however once the scope falls out of the second loop the value of each element in self.listOfParsedWeatherData is a copy of the previous last element.