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记录一些Mac OS X技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...按住widget，然后按F4打开Dashboard，松开鼠标即可。
开启FTP共享（10.7以后已取消该功能）
在“系统偏好设置”里找到“共享”，勾选“文件共享”，然后点击“选项”按钮，勾选“使用FTP来共享文件和文件夹”，再勾选允许访...
How do I use extern to share variables between source files?
...is informed that a
variable exists (and this is its type); it does not allocate the
storage for the variable at that point.
A variable is defined when the compiler allocates the storage for
the variable.
You may declare a variable multiple times (though once is sufficient);
you may only define it...
C++ Dynamic Shared Library on Linux
...e */
virtual void DoSomething();
private:
int x;
};
#endif
myclass.cc
#include "myclass.h"
#include <iostream>
using namespace std;
extern "C" MyClass* create_object()
{
return new MyClass;
}
extern "C" void destroy_object( MyClass* object )
{
delete object;
}
MyClass::MyClass...
PHP mailer multiple address [duplicate]
...o');
// ..
Better yet, add them as Carbon Copy recipients.
$mail->AddCC('person1@domain.com', 'Person One');
$mail->AddCC('person2@domain.com', 'Person Two');
// ..
To make things easy, you should loop through an array to do this.
$recipients = array(
'person1@domain.com' => 'Perso...
防挂马：apache禁止访问文件或目录执行权限、禁止运行脚本PHP文件的设置方...
... <Directory "要去掉PHP执行权限的目录路径，例如：D:/piaoyun.cc/upload">
ErrorDocument 404 /404/404.html
ErrorDocument 403 /404/403.html
<FilesMatch "\.(?i:php|php3|php4)$"> // ?是尽可能多的匹配.php的字符串,i是不区分大小写,然后冒号后面跟上正则表达...
编译错误 error: ‘typeof’ cannot be used as a function - C/C++ - 清泛网 - 专注C/C++及内核技术
...展关键字。
注：C++11标准的话，请使用 -std=gnu++11
GNC CC是一个功能非常强大的跨平台C编译器，它对C 语言提供了很多扩展，这些扩展对优化、目标代码布局、更安全的检查等方面提供了很强的支持。Linux 内核代码使用了大量...
C++ protobuf使用入门实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...uf;
option csharp_namespace = "Google.Protobuf.WellKnownTypes";
option cc_enable_arenas = true;
option go_package = "google.golang.org/protobuf/types/known/testpb";
option java_package = "com.google.protobuf";
option java_outer_classname = "TestProto";
option java_multiple_files = true;
opt...
Linux C++静态链接protobuf库异常中止 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...，我得到:
[libprotobuf ERROR ../google/protobuf/descriptor_database.cc:668] Symbol name "google.protobuf.Struct" conflicts with the existing symbol "google.protobuf.Struct".
[libprotobuf FATAL ../google/protobuf/descriptor.cc:1357] CHECK failed: GeneratedDatabase()->Add(encoded_file_descript...
Passing additional variables from command line to make
...assignments like this:
# Don't do this!
target:
$(MAKE) -C target CC=$(CC) CFLAGS=$(CFLAGS)
Instead, better solution might be to export these variables. Exporting a variable makes it into the environment of every shell invocation, and Make calls from these commands pick these environment...
How do I explicitly specify a Model's table-name mapping in Rails?
... a Model class called Countries and I want it to map to a DB table called 'cc'.
2 Answers
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