大约有 10,000 项符合查询结果（耗时：0.0258秒） [XML]
What is Cache-Control: private?
...8 GMT
The server receives the request, realizes that the client has the most recent version already. Rather than sending the client 200 OK, followed by the contents of the page, instead it tells you that your cached version is good:
304 Not Modified
Your browser did have to suffer the delay of ...
Framework vs. Toolkit vs. Library [duplicate]
...
The most important difference, and in fact the defining difference between a library and a framework is Inversion of Control.
What does this mean? Well, it means that when you call a library, you are in control. But with a framew...
What's the difference between UTF-8 and UTF-8 without BOM?
...t files as file system metadata would be a better way to preserve it. But most of us living in the real world can't change the file system of the OS(s) our programs get run on -- so using the Unicode standard's platform-independent BOM signature seems like the best and most practical alternative IMH...
overlay two images in android to set an imageview
... android:left, android:right, android:top and android:down to control the position of one of the layers in the .xml file.
– zabawaba99
Oct 24 '12 at 3:44
...
Comparison between Corona, Phonegap, Titanium
...
I registered with stackoverflow just for the purpose of commenting on the mostly voted answer on top. The bad thing is stackoverflow does not allow new members to post comments. So I have to make this comment more look like an answer.
Rory Blyth's answer contains some vali...
Git Symlinks in Windows
Our developers use a mix of Windows and Unix based OS's. Therefore, symlinks created on Unix machines become a problem for Windows developers. In windows (msysgit), the symlink is converted to a text file with a path to the file it points to. Instead, I'd like to convert the symlink into an actual W...
C++ Dynamic Shared Library on Linux
...ual otherwise linker will try to perform static linkage */
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( My...
TCPServer TCP服务器扩展：在Android设备上创建TCP服务器 · App Inventor 2 中文网
...
“URS TCP Server Test” 应用程序演示了以下功能：
创建一个监听端口 8083 的 TCP 服务器
接受客户端连接
从客户端接收文本消息
以 “Echo “ 前缀加收到的文本作为响应
可通过 UrsAI2TcpClient 扩展进行测试
基本用法...
How to find out if a file exists in C# / .NET?
...e for existence of that file (something like the -e test in Perl or the os.path.exists() in Python) in C#.
4 Answers
...
Adding the “Clear” Button to an iPhone UITextField
...n attribute for adding this sub-control in Interface Builder in the iPhone OS 2.2 SDK.
10 Answers
...