static-members

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C++ - why does this member need to be declared static?

This was driving me insane.I was getting a \"No matching function call to \'WordCloud::WordCloud()\'\" error.It seems that a default constructor was being called, but because I didn\'t define one, the[详细]

2023-02-03 15:02 分类：问答
How do static member variables affect object size?

I\'m wondering how static member variables are typically implemented in languages like C++ and if thei开发者_C百科r use affects the size of instantiated objects.[详细]

2023-02-03 13:15 分类：问答
static member cannot be used as a default function parameter in PHP5?

dose php5 forbid this usage, the following code doesn\'t work class Foo{ public static $data = \"abcd\";[详细]

2023-02-03 03:31 分类：问答
Why must the static member be initialized outside main()?

开发者_Python百科Why is this invalid in C++? class CLS { public: static int X; }; int _tmain(int argc, _TCHAR* argv[])[详细]

2023-01-31 13:17 分类：问答
Protected static member variables

I\'ve recently been working on some class files and I\'ve noticed that the member variables had been set in a protected static mode like protected static $_someVar and accessed like static::$_someVar.[详细]

2023-01-27 12:36 分类：问答
When are servlet static variables gced in gae?

I\'m trying to have a GAE app that all it does is register users and associate contacts with them, and return their online status. If online return their IP. 开发者_如何学编程So i\'ve a JPA entity wit[详细]

2023-01-27 07:17 分类：问答
Are static methods and variables available in derived classes?

I have static variables and methods in a class. Will they be inherited in der开发者_StackOverflowived classes or not?[详细]

2023-01-23 10:50 分类：问答
Static variable across multiple requests

In order to improve speed of chat application, I am remembering last message id in static variable (actually, Dictionary).[详细]

2023-01-22 12:25 分类：问答
A class that only has static data and methods to access these data. How to implement that properly?

I know that is a beginner\'s question. I\'m new to java and and also to programming in general. Say I got a class that has only static data, example:[详细]

2023-01-21 11:32 分类：问答
What does "typedef void (*Something)()" mean

I am trying to understand what this means, the code I am looking at has in .h typedef void (*MCB)(); static MCBm_process;[详细]

2023-01-20 21:42 分类：问答