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Why can't I declare static methods in an interface?
... difference between
public interface Foo {
public static int bar();
}
and
public interface Foo {
public static int bar() {
...
}
}
The first is impossible for the reasons that Espo mentions: you don't know which implementing class is the correct definition.
Java could allow the latt...
Value Change Listener to JTextField
... good format for the warning/type cast. Same pattern will be useful for handling double amounts (sales figures/prices entered or displayed)
– Max West
Oct 13 '14 at 14:31
...
Multiple glibc libraries on a single host
...hared libraries) which all must match. One of the pieces is ld-linux.so.2, and it must match libc.so.6, or you'll see the errors you are seeing.
The absolute path to ld-linux.so.2 is hard-coded into the executable at link time, and can not be easily changed after the link is done.
To build an exec...
How to perform Callbacks in Objective-C
... of the selector.
Next you have some object be the delegate of "MyClass" and MyClass calls the delegate methods on the delegate as appropriate. If your delegate callbacks are optional, you'll typically guard them at the dispatch site with something like "if ([delegate respondsToSelector:@selector(...
ThreadStatic v.s. ThreadLocal: is generic better than attribute?
...ric.
Why different design solutions were chosen?
What are the advantages and disadvantages of using generic over attributes in this case?
...
Can inner classes access private variables?
...ava though, there is no correlation between an object of type Outer::Inner and an object of the parent class. You have to make the parent child relationship manually.
#include <string>
#include <iostream>
class Outer
{
class Inner
{
public:
Inner(Outer& ...
hash function for string
I'm working on hash table in C language and I'm testing hash function for string.
9 Answers
...
Shorthand way for assigning a single field in a record, while copying the rest of the fields?
...
And lenses-like packages often define operators in addition to functions for getting and setting fields. For example, test $ c .~ "Goodbye" is how lens would do it iirc. I'm not saying this is intutitive, but once you know ...
Programmatically shut down Spring Boot application
... @StackOverFlow You need to inject the bean where you need it and then pass the return code as you suggested (x=0) if it's shutting down correctly. For example you could inject the Shutdown Manager into a RestController and allow remote shutdown, or you could inject it into a healthchec...
c++ boost::multi_index composite keys efficiency - c++1y / stl - 清泛IT社区，为创新赋能！
...ime poster! I'm playing around with the boost::multi_index container stuff and have a rather in-depth question that hopefully a boost or C++ container expert might know (my knowledge in C++ containers is pretty basic). For reference, the boost documentation on composite keys can be found here: boost...