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error: passing xxx as 'this' argument of xxx discards qualifiers
... an error message.
The solution is simple: make the functions const as:
int getId() const {
return id;
}
string getName() const {
return name;
}
This is necessary because now you can call getId() and getName() on const objects as:
void f(const StudentT & s)
{
cout << s.g...
What is java interface equivalent in Ruby?
Can we expose interfaces in Ruby like we do in java and enforce the Ruby modules or classes to implement the methods defined by interface.
...
How to check if an object is a certain type
...
Totally trivial, irrelevant counterpoint: Even though the VS CodeAnalysis complains, I still feel the argument names are part of the public interface and so are PascalCase in my code.
– Mark Hurd
Aug 7 '15 at 15:19
...
How to prevent buttons from submitting forms
...be used PHP sessions and neither cookies are allowed!
So any link must be converted to such form submit, so the login data is not lost.
When no login is yet done, it must also work. So no validation must be performed on links.
But I want to present a message to the user if the user has not entered ...
Detect application heap size in Android
...error is triggered? And
How much heap should my app use, given the constraints of the Android OS version and hardware of the user's device?
There is a different method for determining each of the above.
For item 1 above: maxMemory()
which can be invoked (e.g., in your main activity's onCreate()...
Difference between SelectedItem, SelectedValue and SelectedValuePath
... DisplayMemberPath="Name" />
public class Category
{
public int ID { get; set; }
public string Name { get; set; }
}
public class Product
{
public int CategoryID { get; set; }
}
It's a little confusing initially, but hopefully this makes it a bit clearer... :)
Chris
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How do I make an attributed string using Swift?
...UILabel.text = coffeeText I get an error "NSMutableAttributedString is not convertable to 'String'. Is there a way to make the UILabel accept NSMutableAttributedString?
– dcbenji
Jul 10 '14 at 4:25
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ExecuteReader requires an open and available Connection. The connection's current state is Connectin
...y people think that it would be smart to encapsulate ADO.NET functionality into a DB-Class(me too 10 years ago). Mostly they decide to use static/shared objects since it seems to be faster than to create a new object for any action.
That is neither a good idea in terms of peformance nor in terms of...
How to fix corrupted git repository?
... DropBox, SpiderOak, or any other cloud disk), you can do the following:
Convert your .git folder into a single "bundle" git file by using: git bundle create my_repo.git --all, then it should work just the same as before, but since everything is in a single file you won't risk the synchronization ...
Is there a difference between foreach and map?
...eturns another list of the same size with the transformed members (such as converting a list of strings to uppercase)
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