instantiation

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Taking a String and making an object from a class that String represents in Java

Scenario: I have two classes named ListLayout and GridLayout which both implement CustomLayout. The user enters a String representing the layout they wish to use (\"ListLayout\" for example)[详细]

2023-03-10 20:25 分类：问答
Why does the compiler try to instantiate a template that I don't actually instantiate anywhere?

Updated below. The following is the entire code I have in my main.cpp: template<class T> struct other_traits;[详细]

2023-03-10 18:46 分类：问答
Diff bet new String("xyz") and "xyz" in Java [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicate: difference between string object and string literal[详细]

2023-03-10 08:03 分类：问答
When returning an object, why put the creation+initialization and the return as two seperate statements instead of one?

Example: Foo make_foo(int a1, 开发者_JAVA百科int a2){ Foo f(a1,a2); return f; } Having seen such functions several times, is it just a matter of coding style / preference or is there more to it tha[详细]

2023-03-10 01:54 分类：问答
Dynamically hooking up a class having different possible constructors

Let\'s say I have two classes that look like this: public class ByteFilter { private Func <int, byte[]> readBytes;[详细]

2023-03-09 17:21 分类：问答
What's the point of writing : $foo = & new someClass();?

I am getting a deprecated warning because of a library I am using. The st开发者_运维知识库atement is the following :[详细]

2023-03-09 10:36 分类：问答
InstantiationException when using subclass of EditTextPreference

Assume, I have a subclass of EditTextPreference called PasswordProtectedEditTextPreference. This subclass basically shows a password dialog before one can edit the preference by the EditTextPreference[详细]

2023-03-09 05:46 分类：问答
MVVM model instantiation

Following 开发者_JS百科WPF MvvmFoundation, linking the View with the ViewModel has many choices like described on http://www.paulstovell.com/mvvm-instantiation-approaches.[详细]

2023-03-08 18:46 分类：问答
What is the proper way to declared class objects?

This is just a quick question to settle a dispute that I stumbled on a while back (sorry I don\'t have the link).[详细]

2023-03-07 19:51 分类：问答
Does System.Activator.CreateInstance(T) have performance issues big enough to discourage us from using it casually?

Does System.Activator.CreateInstance(T) method have performance issues开发者_Python百科 (since I\'m suspecting it uses reflection) big enough to discourage us from using it casually?As always, the onl[详细]

2023-03-07 17:55 分类：问答