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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...
Creating a new column based on if-elif-else condition
... 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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Having links relative to root?
....html" will link to the page www.example.com/vegetables/carrots.html.
The base tag element allows you to specify the base-uri for that page (though the base tag would have to be added to every page in which it was necessary for to use a specific base, for this I'll simply cite the W3's example:
...
How to set the authorization header using curl
...ion used in HTTP (which is the type curl uses by
default) is plain text based, which means it sends username and password
only slightly obfuscated, but still fully readable by anyone that sniffs on
the network between you and the remote server.
To tell curl to use a user and password f...
What is the difference between Digest and Basic Authentication?
...d and the requested URI.
Whereas Basic Authentication uses non-encrypted base64 encoding.
Therefore, Basic Authentication should generally only be used where transport layer security is provided such as https.
See RFC-2617 for all the gory details.
...
How does Python's super() work with multiple inheritance?
...d Python will raise an error:
TypeError: Error when calling the metaclass bases
Cannot create a consistent method resolution order (MRO) for bases Second, First
Edit: I see several people arguing that the examples above lack super() calls, so let me explain: The point of the examples is to sh...
How to change the Push and Pop animations in a navigation based app
I have a navigation based application and I want to change the animation of the push and pop animations. How would I do that?
...
Difference between local and global indexes in DynamoDB
...global secondary index consume capacity units from the index, not from the base table.
– ethanxyz_0
Aug 8 '17 at 2:00
1
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Overloading and overriding
...st
{
public override void getStuff(int id)
{
//base.getStuff(id);
//or - Get stuff new location
}
}
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Group vs role (Any real difference?)
...thing more), groups and roles function just the same. Groups, however, are based on identity, whereas roles are meant to demarcate activity. Unfortunately, operating systems tend to blur the distinction, treating roles as groups.
You see a much clearer distinction with application or system-level r...