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What does glLoadIdentity() do in OpenGL?
... with all of the random functions that I have in my code. They work and I know when to use them, but I don't know why I need them or what they actually do.
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how to check the dtype of a column in python pandas
...ent functions to treat numeric columns and string columns. What I am doing now is really dumb:
6 Answers
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When to use an interface instead of an abstract class and vice versa?
...hod" is that it's nearly always somewhat re-entrant - the "derived" class knows about not just the "abstract" method of its base class that it is implementing, but also about the public methods of the base class, even though most times it does not need to call them.
(Overly simplified) example:
ab...
How to avoid passing parameters everywhere in play2?
...>
}
</div>
@content
</body>
</html>
Now if you have templates calling this main template, you can have the menus parameter implicitly passed for you to the main template by the Scala compiler if it is declared as an implicit parameter in these templates as well...
What database does Google use?
...
Do anyone know if it was that built from scratch or based on some product? I heard somewhere I don't remember where, that google used Oracle once, but they drop it because they need some modifications that Oracle won't do nor allow them...
Convert PDF to clean SVG? [closed]
...ucted - you have to install vector fonts and look them up.
UPDATE:
I have now developed this into a package PDF2SVG which does not use Batik any more:
which has been tested on a range of PDFs. It produces SVG output consisting of
characters as one <svg:text> per character
paths as <svg:...
Pass in an array of Deferreds to $.when()
....my_array).then( ___ );
In either case, since it's unlikely that you'll known in advance how many formal parameters the .then handler will require, that handler would need to process the arguments array in order to retrieve the result of each promise.
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how to provide a swap function for my class?
...dummy
void swap(Bar& lhs, Bar& rhs) {
// ...
}
}
If swap is now used as shown in 1), your function will be found. Also, you may make that function a friend if you absolutely need to, or provide a member swap that is called by the free function:
// version 1
class Bar{
public:
frie...
Unignore subdirectories of ignored directories in Git
...fic example refers to a global gitignore which I should have mentioned. I know I can force add items, but I'll have to do that if any new items are added, as well as initially for each new repository. Does the .keep ensure the contents are not ignored?
– Wil
Ma...
What's the difference between HEAD, working tree and index, in Git?
... 1 -> 2 -> 3 -> 4 where 1 is the first commit and 4 is the last)
Now we know what is happening in the project.
But to know what is happening right here, right now there is a special reference called HEAD. It serves two major purposes:
it tells Git which commit to take files from when yo...