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How do I correctly clone a JavaScript object?

... edited Jul 12 '19 at 13:45 buræquete 12.5k44 gold badges3131 silver badges6262 bronze badges answered Mar 2 '11 at 6:36 ...
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httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se

...m Choose an FQDN and include it both in your /etc/hosts file on both the IPv4 and IPv6 addresses you are using (in your case, localhost or 127.0.0.1), and change your ServerName in your httpd configuration to match. /etc/hosts: 127.0.0.1 localhost.localdomain localhost host.server4-245.com ::...
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Live-stream video from one android phone to another over WiFi

...sample code for the server: // this is your network socket ParcelFileDescriptor pfd = ParcelFileDescriptor.fromSocket(socket); mCamera = getCameraInstance(); mMediaRecorder = new MediaRecorder(); mCamera.unlock(); mMediaRecorder.setCamera(mCamera); mMediaRecorder.setAudioSource(MediaRecorder.AudioS...
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Using ping in c#

...ply reply = pinger.Send(nameOrAddress); pingable = reply.Status == IPStatus.Success; } catch (PingException) { // Discard PingExceptions and return false; } finally { if (pinger != null) { pinger.Dispose(); } } retu...
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Floating View 扩展:悬浮视图扩展,将组件转换为悬浮窗口 · App Inventor 2 中文网

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java.net.UnknownHostException: Invalid hostname for server: local

...hostname "localhost" instead, or perhaps 127.0.0.1 or ::1 (the last one is IPv6). From the javadocs: Thrown to indicate that the IP address of a host could not be determined. 127.0.0.1or ::1 or "localhost" should always be the loopback interface, so if that doesn't work I'd be really surpri...
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IRXmitter红外发射器扩展 · App Inventor 2 中文网

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How does one write code that best utilizes the CPU cache to improve performance?

...pr 18 '09 at 12:56 Tomi KyöstiläTomi Kyöstilä 1,20599 silver badges1313 bronze badges ...
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LEGO EV3 机器人按键控制 · App Inventor 2 中文网

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Best practices when running Node.js with port 80 (Ubuntu / Linode) [closed]

...cloud instances is I redirect port 80 to port 3000 with this command: sudo iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 3000 Then I launch my Node.js on port 3000. Requests to port 80 will get mapped to port 3000. You should also edit your /etc/rc.local file and add...