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Why does InetAddress.isReachable return false, when I can ping the IP address?
Why does isReachable return false ? I can ping the IP.
10 Answers
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Objective-C 2.0 Mac和iOS开发实践指南 PDF扫描版 - 文档下载 - 清泛网 - ...
...者：李强 等
Robert Clair，拥有20年以上的商业图形软和CAD软件开发经验。在过去的8年中，他主要从事MacOSx和iPhone开发。作为Chromatic Bytes公司的负责人，他曾经设计过OSX软件（Zeus Draw和Shades）以及iPhone软件（Zeus Draw Mobile和Orfeo）。...
Open Redis port for remote connections
...alls that might block the access.
Important: If you don't use a firewall (iptables, ufw..) to control who connects to the port in use, ANYONE can connect to this Redis instance. Without using Redis' AUTH that means anyone can access/change/delete your data. Be safe!
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How can I display an RTSP video stream in a web page?
I have an ip camera which provides a live RTSP video stream. I can use VLC media player to view the feed by providing it with the URL:
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Nginx Different Domains on Same IP
.... I tend to have one file per real domain. Each of which might contain multiple server blocks.
– aychedee
Jun 28 '13 at 15:19
5
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https URL with token parameter : how secure is it?
... it wouldn't be a proper page (no google analytics or other third party script).
– Flackou
Mar 13 '09 at 16:41
5
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SQL Server, convert a named instance to default instance?
...ing without using the instance name, and using only the server name and/or IP address, then you can do the following:
Open SQL Server Configuration Manager
Click SQL Server Network Configuration
Click Protocols for INSTANCENAME you want to make available (i.e. SQLExpress)
Right-click TCP/IP and cl...
How to safely upgrade an Amazon EC2 instance from t1.micro to large? [closed]
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IP address of new instance will be different. Am I right? So we need to change dns record ?
– gandil
May 5 '11 at 13:40
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内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...分。可以使用各种方法解决内存问题：
专用库
语言
软件工具
硬件检查器
在这整个领域中，我始终认为最有用并且投资回报率最大的是考虑改进源代码的风格。它不需要昂贵的代价或严格的形式；可以始终取消与内存无...
Maximum length of the textual representation of an IPv6 address?
...information about the maximum length of the textual representation of an IPv6 address, which is what a webserver provides through $_SERVER["REMOTE_ADDR"] .
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