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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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Creating a daemon in Linux
In Linux I want to add a daemon that cannot be stopped and which monitors filesystem changes.
If any changes are detected, it should write the path to the console where it was started plus a newline.
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git visual diff between branches
...UI software, you can try something like SourceTree which supports Mac OS X and Windows.
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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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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 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
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How do you normalize a file path in Bash?
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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...
Virtualbox “port forward” from Guest to Host [closed]
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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...
How do you detect the clearing of a “search” HTML5 input?
... when the user clicks the "x". This is especially useful because it understands the "incremental" attribute.
Now, having said that, I'm not sure if you can tell the difference between clicking the "x" and searching, unless you use an "onclick" hack. Either way, hopefully this helps.
References:
htt...
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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