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How do ports work with IPv6?

Conventional IPv4 dotted quad notation separates the address from the port with a colon, as in this example of a webserver on the loopback interface: ...
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What is the difference between OpenID and SAML?

...e of federation. In SAML federations, an account should be a 1:1 relationship with a single person with a current relationship with the IdP "asserting" both the user authentication and authorisation. Entities operating IdPs in a federation must comply with governance around account currency and ver...
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Why does changing 0.1f to 0 slow down performance by 10x?

... on whether 0 or 0.1 is used. Here's the test code compiled on x64: int main() { double start = omp_get_wtime(); const float x[16]={1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9,2.0,2.1,2.2,2.3,2.4,2.5,2.6}; const float z[16]={1.123,1.234,1.345,156.467,1.578,1.689,1.790,1.812,1.923,2.034,2.145...
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Mac OSX Lion DNS lookup order [closed]

... the hosts file, I have found that in some circumstances, Lion queries the IPv6 address for a domain if it senses that a domain is unreachable over the IPv4 network. I discovered this when I noticed some ads that I had never seen before on Snow Leopard because I had redirected the ad domains to 127...
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Practical non-image based CAPTCHA approaches?

...rflow. This is necessary to prevent bots, spammers, and other malicious scripted activity. We only want human beings to post or edit things here! ...
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How do I get the user agent with Flask?

... 'xforwardedfor': str, 'authorization': bool 'ip_info': str or None, 'path': str, 'speed': float, 'date': datetime, }, { .... } ] Here is one of the places in the library where the data is collected: https://gith...
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How to install Android SDK Build Tools on the command line?

...a stands for --all and -t stands for --filter. If you need to install multiple packages do: android update sdk -u -a -t 1,2,3,4,..,n Where 1,2,..,n is the package number listed with the list command above share ...
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Setting a timeout for socket operations

... like: Socket socket = new Socket(); socket.connect(new InetSocketAddress(ipAddress, port), 1000); Quoting from the documentation connect public void connect(SocketAddress endpoint, int timeout) throws IOException Connects this socket to the server with a specified timeout value. A t...
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在 App Inventor 2 中使用图像 · App Inventor 2 中文网

...” Determining the size of the image on the screen Details on fixed vs. responsive sizing In summary: What MIT App Inventor Programmers Should Do Synopsis: App Inventor works best if you use images whose size matches the size you want them to appear on your screen...
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Determine a user's timezone

...r time zone, not your time zone's offset from GMT. To fix this, simply multiply by -1. Also note that w3school says: The returned value is not a constant, because of the practice of using Daylight Saving Time. share...