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When to use IComparable Vs. IComparer
I'm trying to figure out which of these interfaces I need to implement. They both essentially do the same thing. When would I use one over the other?
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jQuery AJAX cross domain
... alert("Error");
}
});
PHP:
<?php
$arr = array("element1","element2",array("element31","element32"));
$arr['name'] = "response";
echo $_GET['callback']."(".json_encode($arr).");";
?>
The echo might be wrong, it's been a while since I've used php. In any case you need to ...
How to get element by innerText
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You'll have to traverse by hand.
var aTags = document.getElementsByTagName("a");
var searchText = "SearchingText";
var found;
for (var i = 0; i < aTags.length; i++) {
if (aTags[i].textContent == searchText) {
found = aTags[i];
break;
}
}
// Use `found`.
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pull out p-values and r-squared from a linear regression
...uared value directly from the summary object summary(fit)$r.squared. See names(summary(fit)) for a list of all the items you can extract directly.
Model p-value: If you want to obtain the p-value of the overall regression model,
this blog post outlines a function to return the p-value:
lmp <- ...
Testing Private method using mockito
How to test private method is called or not, and how to test private method using mockito???
12 Answers
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Equivalent of strace -feopen < command > on mac os X
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I suppose you meant strace -fetrace=open?
dtruss -f -t open python myfile.py
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How do I create ColorStateList programmatically?
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CAUTION: See Roger Alien's answer (and its first comment) to understand that the order of states here is poor: because "enabled" is first, it will override other states that typically occur while a button is enabled. Better to put "enabled" last. (Or instead of "enabled", an e...
React.js - input losing focus when rerendering
...t;EditorContainer key="editor1"/>
When a re-rendering occurs, if the same key is seen, this will tell React don't clobber and regenerate the view, instead reuse. Then the focused item should retain focus.
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How do I find the authoritative name-server for a domain name?
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You'll want the SOA (Start of Authority) record for a given domain name, and this is how you accomplish it using the universally available nslookup command line tool:
command line> nslookup
> set querytype=soa
> stackoverflow.com
Server: 217.30.180.230
Address: 217.30....
Maximum filename length in NTFS (Windows XP and Windows Vista)?
I'm designing a database table which will hold filenames of uploaded files. What is the maximum length of a filename in NTFS as used by Windows XP or Vista?
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