大约有 43,000 项符合查询结果(耗时:0.0343秒) [XML]

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What is the largest TCP/IP network port number allowable for IPv4?

...ions. Microsoft wrote an interesting Technet article about how to diagnose and avoid it in Windows environments: blogs.technet.microsoft.com/askds/2008/10/29/… – JessieArr Jul 13 '16 at 20:04 ...
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Lost connection to MySQL server at 'reading initial communication packet', system error: 0

...ests that it might be a firewall problem: I have just had this problem and found it was my firewall. I use PCTools Firewall Plus and it wasn't allowing full access to MySQL. Once I changed that it was fine. Hope that helps. Could that be it? Also, someone here suggests that it might be becaus...
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Using ping in c#

... using System.Net.NetworkInformation; public static bool PingHost(string nameOrAddress) { bool pingable = false; Ping pinger = null; try { pinger = new Ping(); PingReply reply = pinger.Send(nameOrAddress); pingable = reply.Status == IPStatus.Success;...
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java.net.UnknownHostException: Invalid hostname for server: local

...ther. Everything was right. The Solution Not calling trim() for the host string which contained whitespace. In writing a proxy server the host was obtained from HTTP headers with the use of split(":") by semicolons for the HOST header. This left whitespace, and causes the UnknownHostException as a...
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How Can I Download a File from EC2 [closed]

...ome Web server on your instance, configure HTTPS if your file is sensitive and then download using your browser, here are some tutorials: http://flurdy.com/docs/ec2/apache_tomcat/ http://www.robotmedia.net/2011/04/how-to-create-an-amazon-ec2-instance-with-apache-php-and-mysql-lamp/ ...
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What is the best Java email address validation method? [closed]

... email package is the easiest: public static boolean isValidEmailAddress(String email) { boolean result = true; try { InternetAddress emailAddr = new InternetAddress(email); emailAddr.validate(); } catch (AddressException ex) { result = false; } return result; } ...
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How to resolve “Waiting for Debugger” message?

... Some devices will only let the debugger attach if the application has the android.permission.SET_DEBUG_APP permission set in its manifest file: <manifest> <uses-permission android:name="android.permission.SET_DEBUG_APP"></uses-permission> </manifest> ...
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Reliable method to get machine's MAC address in C#

...alStatus == OperationalStatus.Up select nic.GetPhysicalAddress().ToString() ).FirstOrDefault(); Or: String firstMacAddress = NetworkInterface .GetAllNetworkInterfaces() .Where( nic => nic.OperationalStatus == OperationalStatus.Up && nic.NetworkInterfaceType != Netwo...
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How do I allow HTTPS for Apache on localhost?

...is being included. In my case I had to uncomment this line: Include conf/extra/httpd-ssl.conf In the SSL config httpd-ssl.conf I had to update the following lines: Update SSLSessionCache "shmcb:C:\Program Files (x86)\Zend\Apache2/logs/ssl_scache(512000)" to SSLSessionCache "shmcb:C:/Progra\~2/Ze...
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List of standard lengths for database fields

...those were over 25, and they were all cases where data imports resulted in extra junk winding up in that field.) Last name was similar to first name. Email addresses maxed out at 62 characters. Most of the longer ones were actually lists of email addresses separated by semicolons. Street address ma...