大约有 4,090 项符合查询结果（耗时：0.0301秒） [XML]
Use JNI instead of JNA to call native code?
...
JNA does not support mapping of c++ classes, so if you're using c++ library you will need a jni wrapper
If you need a lot of memory copying. For example, you call one method which returns you a large byte buffer, you change something in it, then you need to...
What is a C++ delegate?
What is the general idea of a delegate in C++? What are they, how are they used and what are they used for?
6 Answers
...
Count character occurrences in a string in C++
...r c in string s
Check if c equals '_'
If yes, increase count
EDIT: C++ example code:
int count_underscores(string s) {
int count = 0;
for (int i = 0; i < s.size(); i++)
if (s[i] == '_') count++;
return count;
}
Note that this is code to use together with std::string, if you...
What are the differences between struct and class in C++?
...d difference between classes and structs.
Quoth the standard (§11.2.2 in C++98 through C++11):
In absence of an access-specifier
for a base class, public is assumed
when the derived class is declared
struct and private is assumed when the class is declared class.
And just for completen...
MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术
...程: 不需要多线程调用时, 多用在DOS环境下
多线程: 可以并发运行
静态库: 直接将库与程序Link, 可以脱离MFC库运行
动态库: 需要相应的DLL动态库, 程序才能运行
release版本: 正式发布时使用
debug版本: 调试阶段使用
[page]创建包...
C++ 读写xml方法整理（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
C++ 读写xml方法整理（持续更新）c++读写xml的方法可谓是五花八门，太多了，这里对常用的几种做一个总结，附demo。1、Markup 下载：
特点：C++编写的，一个.h，一个.cpp，绿色小巧，直接加入工程源码编译，只支持MFC。
<?xml versi...
Unicode Processing in C++
What is the best practice of Unicode processing in C++?
9 Answers
9
...
Is sizeof(bool) defined in the C++ language standard?
I can't find an answer in the standard documentation. Does the C++ language standard require sizeof(bool) to always be 1 (for 1 byte), or is this size implementation-defined?
...
Why do we not have a virtual constructor in C++?
Why does C++ not have a virtual constructor?
22 Answers
22
...
How to initialise memory with new operator in C++?
I'm just beginning to get into C++ and I want to pick up some good habits. If I have just allocated an array of type int with the new operator, how can I initialise them all to 0 without looping through them all myself? Should I just use memset ? Is there a “C++” way to do it?
...