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How will I know when to create an interface?
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You don't have to cast, as opposed to 50 different classes with a Process method. C# doesn't use "duck typing", so just because A has Process() and B has Process() doesn't mean there is any generic way to call either. You need an Interface for...
Git and Mercurial - Compare and Contrast
...upport for "smart" HTTP protocol.
"dumb" protocols, which include HTTP and FTP (only for fetching), and HTTPS (for pushing via WebDAV), do not require git installed on server, but they do require that repository contains extra information generated by git update-server-info (usually run from a hook)...
How to compare objects by multiple fields
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Especially the cast (Person p) is important for chained comparators.
– membersound
Oct 6 '17 at 7:42
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What's the difference setting Embed Interop Types true and false in Visual Studio?
...ItemInventoryRet' since it was not used in the compiled assembly. Consider casting to object or changing the 'Embed Interop Types' property to true.
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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
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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
}
}