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g++ undefined reference to typeinfo
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One possible reason is because you are declaring a virtual function without defining it.
When you declare it without defining it in the same compilation unit, you're indicating that it's defined somewhere else - this means t...
Close and Dispose - which to call?
...sposing a WCF Service I am wondering for classes such as SqlConnection or one of the several classes inheriting from the Stream class does it matter if I close Dispose rather than Close?
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Alternate FizzBuzz Questions [closed]
...east be able to give the idea behind how to do something.
Using this test one of my previous bosses saw everything from people who aced it all pretty quick, to people who could do most pretty quick, to one guy who couldn't answer a single one after a half hour.
I should also note: he let people us...
How to detect which one of the defined font was used in a web page?
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I've seen it done in a kind of iffy, but pretty reliable way. Basically, an element is set to use a specific font and a string is set to that element. If the font set for the element does not exist, it takes the font of the parent element...
Why is there a difference in checking null against a value in VB.NET and C#?
...agation used by that language.
Update
Eric Lippert's blog articles (mentioned in his comments below) on semantics are now at:
Sep. 30, 2003 - A Whole Lot of Nothing
Oct. 1, 2003 - A Little More on Nothing
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Is it possible to GROUP BY multiple columns using MySQL?
Is it possible to GROUP BY more than one column in a MySQL SELECT query? For example:
7 Answers
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How does one reorder columns in a data frame?
How would one change this input (with the sequence: time, in, out, files):
11 Answers
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How to get the filename without the extension from a path in Python?
...Note: If the filename has multiple dots, only the extension after the last one is removed. For example:
import os
print(os.path.splitext("/path/to/some/file.txt.zip.asc")[0])
Prints:
/path/to/some/file.txt.zip
See other answers below if you need to handle that case.
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Escape double quotes in parameter
...res spaces as value separators when passing parameters to programs:program one two "three and more" will pass three parameters to program.exe: one, two, and three and more.
Now to explain some of the confusion:
Double-quoted groups that appear directly adjacent to text not wrapped with doub...
How to get a Fragment to remove itself, i.e. its equivalent of finish()?
...ry.
Now currently I have a number of activities (A B C D) which chain onto one another, D has a button 'OK' which when pressed calls finish which then bubbles up through onActivityResult() to additionally destroy C and B.
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