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Remove NA values from a vector
...'s the common default for many other R functions, including sum(), mean(), etc.)
Setting na.rm=TRUE does just what you're asking for:
d <- c(1, 100, NA, 10)
max(d, na.rm=TRUE)
If you do want to remove all of the NAs, use this idiom instead:
d <- d[!is.na(d)]
A final note: Other functi...
execute function after complete page load
... // When window loaded ( external resources are loaded too- `css`,`src`, etc...)
if (event.target.readyState === "complete") {
alert("hi 2");
}
});
same for jQuery:
$(document).ready(function() { //same as: $(function() {
alert("hi 1");
});
$(window).load(function() {
...
Getting MAC Address
... iface you want the MAC for since many can exist (bluetooth, several nics, etc.).
This does the job when you know the IP of the iface you need the MAC for, using netifaces (available in PyPI):
import netifaces as nif
def mac_for_ip(ip):
'Returns a list of MACs for interfaces that have given IP...
How to set the authorization header using curl
... very
many web sites will not use this concept when they provide logins etc. See
the Web Login chapter further below for more details on that.
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MSysGit vs. Git for Windows
...menu options), and a Portable version that runs direct from a memory stick etc.
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Positions fixed doesn't work when using -webkit-transform
... and Safari) */
#transformed_div {
/* styles here, background image etc */
}
}
So for now you'll have to do it the old fashioned way, until Webkit browsers catch up to FF.
EDIT: As of 10/24/2012 the bug has not been resolved.
This appears to not be a bug, but an aspect of the specific...
IPN vs PDT in Paypal
...t messages that you can receive from IPN, such as chargeback notification, etc, and thus you really should implement it.
PayPal's PDT system sends order confirmations to merchant sites that use PayPal Payments Standard and lets them authenticate this information. Such sites can then display this ...
How to get script of SQL Server data? [duplicate]
...a commonality between them - could be a concept such as "User" or "Orders" etc. Then have a look in that diagram for the cyclic reference and remove it by literally selecting it and hitting delete. Saving the Diagram will force a DDL save and the Relationship will disappear. Remember: This is to gen...
Compare two files line by line and generate the difference in another file
...3
See the manual and the Internet for options, different output formats, etc.
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Firefox 'Cross-Origin Request Blocked' despite headers
... folder .htaccess).
I added a lot of console.log("Hi FF, you are here A") etc to see what was going on.
At first it looked like it hanged on xhr.send(). But then I discovered it did not get to the this statement. I placed another console.log right before it and did not get there - even though the...