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Remove all classes that begin with a certain string
...jQuery, the actual DOM element is at index zero, this should work
$('#a')[0].className = $('#a')[0].className.replace(/\bbg.*?\b/g, '');
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follo...
Update relationships when saving changes of EF4 POCO objects
...N forum. Check Zeeshan Hirani's answer. He is author of Entity Framework 4.0 Recipes. If he says that automatic merge of object graphs is not supported, I believe him.
But still there is possibility that I'm completely wrong and some automatic merge functionality exists in EF.
Edit 2:
As you can ...
Reorder levels of a factor without changing order of values
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edited Mar 20 '16 at 11:39
Henrik
52.1k1111 gold badges117117 silver badges134134 bronze badges
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Pinging servers in Python
...mmand = ['ping', param, '1', host]
return subprocess.call(command) == 0
Note that, according to @ikrase on Windows this function will still return True if you get a Destination Host Unreachable error.
Explanation
The command is ping in both Windows and Unix-like systems.
The option -n (Wind...
Why are iframes considered dangerous and a security risk?
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answered Sep 2 '11 at 21:01
Diodeus - James MacFarlaneDiodeus - James MacFarlane
105k2929 gold badges144144 silver badges171171 bronze badges
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What does $$ mean in the shell?
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103
In Bash $$ is the process ID, as noted in the comments it is not safe to use as a temp filename...
When should I mock?
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answered Sep 1 '08 at 18:27
user1228user1228
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How to change an input button image using CSS?
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answered Oct 12 '08 at 16:10
ceejayozceejayoz
161k3737 gold badges257257 silver badges331331 bronze badges
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Structs in Javascript
...);
var count = names.length;
function constructor() {
for (var i = 0; i < count; i++) {
this[names[i]] = arguments[i];
}
}
return constructor;
}
var Item = makeStruct("id speaker country");
var row = new Item(1, 'john', 'au');
alert(row.speaker); // displays: john
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