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How to send a message to a particular client with socket.io

...'m starting with socket.io + node.js, I know how to send a message locally and to broadcast socket.broadcast.emit() function:- all the connected clients receive the same message. ...
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Virtualbox “port forward” from Guest to Host [closed]

... Network communication Host -> Guest Connect to the Guest and find out the ip address: ifconfig example of result (ip address is 10.0.2.15): eth0 Link encap:Ethernet HWaddr 08:00:27:AE:36:99 inet addr:10.0.2.15 Bcast:10.0.2.255 Mask:255.255.255.0 Go to Vbox inst...
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git visual diff between branches

...UI software, you can try something like SourceTree which supports Mac OS X and Windows. share | improve this answer | follow | ...
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How do you normalize a file path in Bash?

... if you're wanting to chomp part of a filename from the path, "dirname" and "basename" are your friends, and "realpath" is handy too. dirname /foo/bar/baz # /foo/bar basename /foo/bar/baz # baz dirname $( dirname /foo/bar/baz ) # /foo realpath ../foo # ../foo: No such file or directory re...
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Can a foreign key be NULL and/or duplicate?

...als. Suppose further that each proposal only has one sales person assigned and one client. So your proposal table would have two foreign keys, one with the client ID and one with the sales rep ID. However, at the time the record is created, a sales rep is not always assigned (because no one is fre...
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Is there a UIView resize event?

I have a view that has rows and columns of imageviews in it. 7 Answers 7 ...
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How to check if any flags of a flag combination are set?

...f you want to know if letter has any of the letters in AB you must use the AND & operator. Something like: if ((letter & Letters.AB) != 0) { // Some flag (A,B or both) is enabled } else { // None of them are enabled } ...
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Login to Microsoft SQL Server Error: 18456

...rver Management Studio in the object explorer: Right click on the server and click Properties Go to the Security page Under Server authentication choose the SQL Server and Windows Authentication mode radio button Click OK Restart SQL Services ...
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How do I disable text selection with CSS or JavaScript? [duplicate]

... edited Jun 1 '15 at 17:08 Andy 1,4461515 silver badges3333 bronze badges answered Sep 23 '10 at 14:44 Je...
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How do I reload .bashrc without logging out and back in?

If I make changes to .bashrc , how do I reload it without logging out and back in? 17 Answers ...