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How to get multiple counts with one SQL query?
...a.distributor_id,
(SELECT COUNT(*) FROM myTable WHERE level='personal' and distributor_id = a.distributor_id) as PersonalCount,
(SELECT COUNT(*) FROM myTable WHERE level='exec' and distributor_id = a.distributor_id) as ExecCount,
(SELECT COUNT(*) FROM myTable WHERE distributor_id = a.dis...
PHP regular expressions: No ending delimiter '^' found in
...n addition, if you're just validating, you don't need the capturing group, and can simplify the regex to /^\d+$/.
Example: http://ideone.com/Ec3zh
See also: PHP - Delimiters
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What's the best way to retry an AJAX request on failure using jQuery?
... return;
}
if (xhr.status == 500) {
//handle error
} else {
//handle error
}
}
});
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R - Markdown avoiding package loading messages
I have been using Knitr via R-Studio, and think it is pretty neat. I have a minor issue though. When I source a file in an R-Chunk, the knitr output includes external comments as follows:
...
Mathematical functions in Swift
...an import only Darwin.
import Darwin
If you want mathematical functions and other standard classes and functions. You can import Foundation.
import Foundation
If you want everything and also classes for user interface, it depends if your playground is for OS X or iOS.
For OS X, you need impor...
java.net.UnknownHostException: Invalid hostname for server: local
... answered Jun 26 '11 at 13:37
André LaszloAndré Laszlo
13.5k22 gold badges5757 silver badges7272 bronze badges
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Difference between outline and border
Does anybody know of any difference between 'border' and 'outline' properties in CSS? If there is no difference, then why are there two properties for the same thing?
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How can I change a secret Gist to public?
I upload a Gist code and set it to be secret.
3 Answers
3
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Copy array by value
...e.log({newArray});
Basically, the slice() operation clones the array and returns a reference to a new array.
Also note that:
For references, strings and numbers (and not the actual object), slice() copies object references into the new array. Both the original and new array refer to the same o...
Force unmount of NFS-mounted directory [closed]
... @Daniel: sure, but it is a Linux question (tagged as such even), and Linux does have it.
– Jürgen A. Erhard
Jul 4 '11 at 13:05
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