大约有 44,930 项符合查询结果（耗时：0.0478秒） [XML]
Why an interface can not implement another interface?
...ion.
A 100% abstract class is functionally equivalent to an interface but it can also have implementation if you wish (in this case it won't remain 100% abstract), so from the JVM's perspective they are different things.
Also the member variable in a 100% abstract class can have any access qualifi...
How can I run code on a background thread on Android?
I want some code to run in the background continuously. I don't want to do it in a service. Is there any other way possible?
...
How to have the cp command create any necessary folders for copying a file to a destination [duplica
...y need to create a single directory in an existing hierarchy, rsync can do it in one operation. I'm quite a fan of rsync as a much more versatile cp replacement, in fact:
rsync -a myfile /foo/bar/ # works if /foo exists but /foo/bar doesn't. bar is created.
...
Generate a Hash from string in Javascript
...ash = ((hash << 5) - hash) + chr;
hash |= 0; // Convert to 32bit integer
}
return hash;
}
});
Source:
http://werxltd.com/wp/2010/05/13/javascript-implementation-of-javas-string-hashcode-method/
share...
Replace input type=file by an image
... people, I'd like to customize the ugly input type=file , and I know that it can't be done without some hacks and/or javascript . But, the thing is that in my case the upload file buttons are just for uploading images ( jpeg|jpg|png|gif ), so I was wondering if I could use a " clickable " image wh...
Why does Google +1 record my mouse movements? [closed]
This is only on pages with a Google +1 box on my website:
9 Answers
9
...
What is a “static” function in C?
...to other functions in the same file (more precisely the same translation unit).
EDIT: For those who thought, that the author of the questions meant a 'class method': As the question is tagged C he means a plain old C function. For (C++/Java/...) class methods, static means that this method can be c...
R cannot be resolved - Android error
...the new Android SDK. I wanted to create a simple application to test drive it.
108 Answers
...
Is there any advantage of using map over unordered_map in case of trivial keys?
...lookup ( amortized O(1) vs. O(log n) ). Most times I use a map, I use either int or std::string as the key type; hence, I've got no problems with the definition of the hash function. The more I thought about it, the more I came to realize that I can't find any reason of using a std::map ov...
In which scenario do I use a particular STL container?
... STL containers in my book on C++, specifically the section on the STL and its containers. Now I do understand each and every one of them have their own specific properties, and I'm close to memorizing all of them... But what I do not yet grasp is in which scenario each of them is used.
...