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How to write an XPath query to match two attributes?
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//div[@id='..' and @class='...]
should do the trick. That's selecting the div operators that have both attributes of the required value.
It's worth using one of the online XPath testbeds to try stuff out.
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How to get the process ID to kill a nohup process?
...task in the background, the background operator (&) will give you the PID at the command prompt. If your plan is to manually manage the process, you can save that PID and use it later to kill the process if needed, via kill PID or kill -9 PID (if you need to force kill). Alternatively, you can f...
How to get the index of an element in an IEnumerable?
... +1 for "questioning the wisdom". 9 times out of 10 it's probably a bad idea in the first place.
– Joel Coehoorn
Aug 17 '09 at 21:45
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Can a class extend both a class and implement an Interface
Can a class extend both an interface and another class in PHP?
Basically I want to do this:
3 Answers
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Why do we have map, fmap and liftM?
...classopedia, page 20
fmap and liftM exist because monads were not automatically functors in Haskell:
The fact that we have both fmap and liftM is an
unfortunate consequence of the fact that the Monad type class does not require
a Functor instance, even though mathematically speaking, every ...
How to calculate the SVG Path for an arc (of a circle)
....y
].join(" ");
return d;
}
to use
document.getElementById("arc1").setAttribute("d", describeArc(200, 400, 100, 0, 180));
and in your html
<path id="arc1" fill="none" stroke="#446688" stroke-width="20" />
Live demo
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How to leave a message for a github.com user
...te with a github.com user i.e. write the user a message when only username/id is given on their GitHub page? Does GitHub have this social feature?
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How to use cURL to get jSON data and decode the data?
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$url="https://.../api.php?action=getThreads&hash=123fajwersa&node_id=4&order_by=post_date&order=desc&limit=1&grab_content&content_limit=1";
Using cURL
// Initiate curl
$ch = curl_init();
// Will return the response, if false it print the response
curl_setopt($c...
How to recover a dropped stash in Git?
...e stash from the SHA-1, stash again and then pop the second to last stash (called stash@{1}).
– musiKk
Mar 24 '14 at 10:28
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iphone ios running in separate thread
... Sorry for resurrecting this so much later, but if I spawn a method call with performSelector:withObject:afterDelay do I still need to use an NSAutoReleasePool inside the async method? If it magically uses the main auto release pool then the performSElector:afterDelay is definitely a quicker ...