This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
```swift | |
class RefTarget: NSObject { | |
private var retainSelf: RefTarget? | |
override init() { | |
super.init() | |
self.retainSelf = self | |
} | |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include <stdio.h> | |
#include <stdlib.h> | |
#include <unistd.h> | |
int main(int argc, char const *argv[]) | |
{ | |
pid_t pid; | |
// 1. 终端是标准的输出设备,标准输出设备是行缓冲模式,当有 \n 的时候, 会刷新缓冲区 | |
// 2. 文件是全缓冲模式, 全缓冲模式下 \n 仅仅是一个换行的作用 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
extension UITableView { | |
func indexPathForCellContainsView(_ view: UIView) -> IndexPath? { | |
guard let cell = view.ancestorOfType(UITableViewCell.self) as? UITableViewCell else { return nil } | |
return self.indexPath(for: cell) | |
} | |
} | |
extension UIView { |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include <stdio.h> | |
#include <stdlib.h> | |
#include <sys/types.h> | |
#include <sys/socket.h> | |
#include <unistd.h> | |
#include <string.h> | |
#include <netinet/in.h> | |
#include <netinet/ip.h> | |
#include <arpa/inet.h> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include <stdio.h> | |
#include <stdlib.h> | |
#include <sys/types.h> | |
#include <sys/socket.h> | |
#include <unistd.h> | |
#include <netinet/in.h> | |
#include <netinet/ip.h> | |
#include <string.h> | |
#include <arpa/inet.h> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include <stdio.h> | |
#include <stdlib.h> | |
#include <sys/types.h> | |
#include <sys/socket.h> | |
#include <sys/un.h> | |
#include <string.h> | |
#include <stddef.h> | |
#include <unistd.h> | |
static const char *SERVERNAME = "@servername"; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include <stdio.h> | |
#include <stdlib.h> | |
#include <sys/types.h> | |
#include <sys/socket.h> | |
#include <sys/un.h> | |
#include <string.h> | |
#include <stddef.h> | |
#include <unistd.h> | |
static const char *SERVERNAME = "@servername"; |