oop
friend function of a class
Can I make a funct开发者_JAVA百科ion that is not member of any class be a friend of a class?If so could someone point me out to the syntax? I used thispage as reference .On that it only has a function[详细]
2023-04-11 21:32 分类:问答PHP OOP design - limiting parameters to specific child classes while implementing generic interfaces
I often do PHP projects designed to scrape hierarchical data from web pages and save them to the DB (essentially, structure the data - think scraping government websites that do have the data, but do[详细]
2023-04-11 20:44 分类:问答Why would you declare an Interface and then instantiate an object with it in Java?
A friend and I are studying Java. We were looking at interfaces today and we got into a bit of an discussion about how interfaces are used.[详细]
2023-04-11 20:12 分类:问答Javascript: retrieve objects by id, using an object, not an array
I want an array of objects to monitor (loading of) each span element (using XMLHTTPRequest to retrieve a URL on another page and place into the relevant span - I haven\'t included this functionality b[详细]
2023-04-11 19:21 分类:问答JavaScript OO issue when accessing instance methods
I\'ve used a few tutorials on OOP in JavaScript. It seemed to go well, until I met the following... Result of expression \'this.prepareFrame\' [undefined] is not a function.[详细]
2023-04-11 19:18 分类:问答Oop concept for 3 different objects
I have a supplier and a client object. So far so good. I wish to send an email to the client, but to respect some good old fashion OOP concepts, it\'s not ok to add a send email method in supplier or[详细]
2023-04-11 18:39 分类:问答Java noob needs clarification on wierd overloaded method issue
In my real code I have an object pool that creates \"Foo\"\'s which I totally forgot about. The problem is that I am never creating \"Bar\"s in the firstplace! I didn\'t realize it until some of you m[详细]
2023-04-11 18:07 分类:问答Ruby Inheritance - Super Initialize getting wrong number of arguments
I\'m playing with Ruby and learning about OO techniques and inheritance and I\'ve finally hit an error that has eluded me for awhile.[详细]
2023-04-11 17:43 分类:问答Polymorphism and data hiding: Does a base class override or ignore a derived class' access restrictions?
Please look at the following code listing: #include <iostream> using namespace std; class Base { public:[详细]
2023-04-11 17:16 分类:问答How to handle object properties when using the pure prototyping approach in JavaScript
I\'m an experienced coder learning JavaScript for the first time, using Douglas Crockford\'s \"Javascript: The Good Parts\" book. In it, he recommends using a \'purely prototypal\' approach to inherit[详细]
2023-04-11 16:44 分类:问答