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Calling a function every 60 seconds
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If you don't care if the code within the timer may take longer than your interval, use setInterval():
setInterval(function, delay)
That fires the function passed in as first parameter over and over.
A better approach is, to use setTimeout along with a self-executing anonymo...
force client disconnect from server with socket.io and nodejs
Is there any way to disconnect a client with SocketIO, and literally close the connection? So if someone is connected to my server, and I want to close the connection between them and my server, how would I go about doing that?
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Changing all files' extensions in a folder with one command on Windows
...all extensions, just use the wildcard again:
ren *.* *.YYY
One way to make this work recursively is with the FOR command. It can be used with the /R option to recursively apply a command to matching files. For example:
for /R %x in (*.txt) do ren "%x" *.renamed
will change all .txt extensions t...
In SQL Server, when should you use GO and when should you use semi-colon ;?
I’ve always been confused with when I should use the GO keyword after commands and whether a semi-colon is required at the end of commands. What is the differences and why/when I should use them?
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The server committed a protocol violation. Section=ResponseStatusLine ERROR
...true" />
</settings>
</system.net>
If this doesn't work you may also try setting the KeepAlive property to false.
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Remove blank lines with grep
I tried grep -v '^$' in Linux and that didn't work. This file came from a Windows file system.
14 Answers
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Python speed testing - Time Difference - milliseconds
...etime.timedelta is just the difference between two datetimes ... so it's like a period of time, in days / seconds / microseconds
>>> import datetime
>>> a = datetime.datetime.now()
>>> b = datetime.datetime.now()
>>> c = b - a
>>> c
datetime.timedelta(0...
SVN upgrade working copy
...t 1.7.
With the command line client, you have to manually upgrade your working copy format by issuing the command svn upgrade:
Upgrading the Working Copy
Subversion 1.7 introduces substantial changes to the working copy
format. In previous releases of Subversion, Subversion would
autom...
How to have click event ONLY fire on parent DIV, not children?
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If the e.target is the same element as this, you've not clicked on a descendant.
$('.foobar').on('click', function(e) {
if (e.target !== this)
return;
alert( 'clicked the foobar' );
});
.foobar {
padding: 20px; background: yellow;
}
span {
background: blu...
Scala how can I count the number of occurrences in a list
I want to implement it like this: list.count(2) (returns 3).
16 Answers
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