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SharedPreferences.onSharedPreferenceChangeListener not being called consistently
...dated with warnings about this behavior. So, oddball behavior remains. But now it's documented.
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How to delete duplicate lines in a file without sorting it in Unix?
...)\n\1$/!P; D' means "If you're not at the last line, read in another line. Now look at what you have and if it ISN'T stuff followed by a newline and then the same stuff again, print out the stuff. Now delete the stuff (up to the newline)."
– Beta
Sep 18 '09 at ...
Sending email with PHP from an SMTP server
...ding@provider.com", "Testing", $message, $headers);
echo "Check your email now....<BR/>";
?>
or, for more details, read on.
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Ignore whitespace in HTML [duplicate]
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Apparently that property has been renamed a lot; as of now, the page says "Major Changes...February 2011...Renamed ‘white-space-collapsing’ to ‘bikeshedding’."
– ysth
Jun 28 '11 at 19:08
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Error handling with node.js streams
What's the correct way to handle errors with streams? I already know there's an 'error' event you can listen on, but I want to know some more details about arbitrarily complicated situations.
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How can I concatenate regex literals in JavaScript?
... + /*comment here */
segment_part + /* that was defined just now */
"another segment");
If you have two regular expression literals, you can in fact concatenate them using this technique:
var regex1 = /foo/g;
var regex2 = /bar/y;
var flags = (regex1.flags + regex2.flag...
Differences between unique_ptr and shared_ptr [duplicate]
... Okay
unique_ptr<T> myOtherPtr = std::move(myPtr); // Okay, resource now stored in myOtherPtr
Similarly, you can do something like this:
unique_ptr<T> MyFunction() {
unique_ptr<T> myPtr(/* ... */);
/* ... */
return myPtr;
}
This idiom means "I'm returning a manag...
How can I initialise a static Map?
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Jordan: it is an old topic now but I suspect @Luke was trying to use a string as a key in a map that had a different key type, e.g. Map<Integer, String>.
– Miserable Variable
Jan 3 '12 at 23:53
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Why is “except: pass” a bad programming practice?
... catch any error
When using a try block, you usually do this because you know that there is a chance of an exception being thrown. As such, you also already have an approximate idea of what can break and what exception can be thrown. In such cases, you catch an exception because you can positively ...
Building a fat jar using maven
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Current version of this plugin is now 2.4
– guerda
Nov 12 '13 at 15:28
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