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Callback to a Fragment from a DialogFragment
...try {
callback = (Callback) getParentFragment();
} catch (ClassCastException e) {
throw new ClassCastException("Calling fragment must implement Callback interface");
}
}
Only thing left is to call your callback method after these steps.
For more information about the issue...
Abstract classes in Swift Language
... of the method. When logSalary is called on the instance after it has been cast to an Employee, it calls the original implementation (it doesn't not dynamically dispatch to the overridden version even though the instance is actually a Software Engineer.
For more information, check great WWDC video ...
Safest way to convert float to integer in python?
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@kralyk you mean, after the round? So, would casting them to int raise an exception, or just truncate them?
– Agostino
Mar 22 '16 at 13:59
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How do you add Boost libraries in CMakeLists.txt?
...on't need to specify components for header only libraries, such as lexical_cast. Thus you only need the find_package and include_directories command.
– miguel.martin
May 13 '15 at 13:13
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Fastest way to check if string contains only digits
... If you cared to check for Unicode digits you shouldn't have cast a char to a int just because it's bad code, even for faster code.
– user823959
Sep 17 '13 at 17:05
1...
How should equals and hashcode be implemented when using JPA and Hibernate
... Cat {
...
public boolean equals(Object other) {
//Basic test / class cast
return this.catId==other.catId;
}
public int hashCode() {
int result;
return 3*this.catId; //any primenumber
}
}
Call to getLayoutInflater() in places not in activity
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@RohanBhatia Davides answer does not require casting which mine does. If the call to getSystemService for some (unlikely) reason does not return an object of type LayoutInflater then my code would cause a runtime exception.
– kaspermoerch
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What is the default value for enum variable?
...iterally 0, although its type remains as G (as quoted by the docs above, a cast to the given enum type).
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SQL Server - stop or break execution of a SQL script
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then the incantation... but how do I cast Magic Missle?!
– JJS
Feb 3 '17 at 18:31
1
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LEN function not including trailing spaces in SQL Server
... characters, SQL will ignore the appended character rather than implicitly cast the result to NVARCHAR(MAX). The end result is an incorrect length. The same thing will happen with VARCHAR(8000).
What I've found works, is nearly as fast as plain old LEN, is faster than LEN(@s + 'x') - 1 for large st...