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Finding the type of an object in C++
... a bad_cast exception.
Make sure there is at least one virtual function in Base class to make dynamic_cast work.
Wikipedia topic Run-time type information
RTTI is available only for classes that are polymorphic, which means
they have at least one virtual method. In practice, this is not a
limitatio...
Get current domain
... | Joomla, Drupal/Symfony |
| The database | WordPress |
| An environmental variable | Laravel ...
How can I get nth element from a list?
... list), lists may in fact not be the proper data structure. For O(1) index-based access there are more efficient alternatives, such as arrays or vectors.
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Difference between private, public, and protected inheritance
... accessors that I'm aware of: public, protected and private.
Let:
class Base {
public:
int publicMember;
protected:
int protectedMember;
private:
int privateMember;
};
Everything that is aware of Base is also aware that Base contains publicMember.
Only the c...
CSS: bolding some text without changing its container's size
...over { text-shadow: -0.06ex 0 black, 0.06ex 0 black; }
}
There is a live demo with a slider to play with various grades on the Mozilla Variable Fonts Guide. Google's Introduction to variable fonts on the web has an animated GIF demonstrating a toggle between a high grade and no grade:
...
error opening HPROF file: IOException: Unknown HPROF Version
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Batch file to copy directories recursively
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Does Swift support reflection?
...
Here is a class that will do reflection of base classes and optionals (not types) and has support for NSCoding and parsing from and to a dictionary: github.com/evermeer/EVCloudKitDao/blob/master/AppMessage/…
– Edwin Vermeer
Jan...
Restore the state of std::cout after manipulating it
...ude <iostream> or #include <ios> then when required:
std::ios_base::fmtflags f( cout.flags() );
//Your code here...
cout.flags( f );
You can put these at the beginning and end of your function, or check out this answer on how to use this with RAII.
...
How to make a valid Windows filename from an arbitrary string?
...
In case anyone wants an optimized version based on StringBuilder, use this. Includes rkagerer's trick as an option.
static char[] _invalids;
/// <summary>Replaces characters in <c>text</c> that are not allowed in
/// file names with the specified ...