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云数据及Firebase组件简介 · App Inventor 2 中文网
...(GINGERBREAD_MR1) 或更高版本，无论是用于开发应用程序时的实时测试还是运行使用该组件的应用程序 (.apk)。
使用云数据
将 FirebaseDB 组件添加到项目中可以提供对多个块的访问。 要使应用程序在云中存储数据，请使用 StoreValue ...
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
10
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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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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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HTTP 1.0 vs 1.1
...s, but haven't been able to pull out a lot of difference between them. Wikipedia says this:
8 Answers
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