大约有 43,000 项符合查询结果（耗时：0.0806秒） [XML]
What is android:weightSum in android, and how does it work?
I want to know: What is android:weightSum and layout weight, and how do they work?
9 Answers
...
How are Python's Built In Dictionaries Implemented?
...now how the built in dictionary type for python is implemented? My understanding is that it is some sort of hash table, but I haven't been able to find any sort of definitive answer.
...
Function overloading by return type?
...Contrary to what others are saying, overloading by return type is possible and is done by some modern languages. The usual objection is that in code like
int func();
string func();
int main() { func(); }
you can't tell which func() is being called. This can be resolved in a few ways:
Have a p...
Difference between Inheritance and Composition
Are Composition and Inheritance the same?
If I want to implement the composition pattern, how can I do that in Java?
17 Ans...
Developing cross platform mobile application [closed]
More and more mobile platforms are being launched and sdk's are available to developers. There are various mobile platform are available:
Android, iOS, Moblin, Windows mobile 7, RIM, symbian, bada, maemo etc.
...
MySQL: multiple tables or one table with many columns?
...
Any time information is one-to-one (each user has one name and password), then it's probably better to have it one table, since it reduces the number of joins the database will need to do to retrieve results. I think some databases have a limit on the number of columns per table, but...
Localization and internationalization, what's the difference?
... Some other reasons to think of them separately: Internationalization QA and localization QA have different test cases, Internationalization is a one-time cost (more or less), and so the more languages you localize to, the higher your ROI. i18n is generally more costly than l10n to any one locale....
What is trunk, branch and tag in Subversion? [duplicate]
What is a trunk, branch and tag in Subversion and what are the best practices to use them?
9 Answers
...
ReactJS state vs prop
This may be treading that line between answerable and opinionated, but I'm going back and forth as to how to structure a ReactJS component as complexity grows and could use some direction.
...
What exactly are unmanaged resources?
...g Dispose on that object, or (in C#) using the using statement which will handle calling Dispose for you.
If you neglect to Dispose of your unmanaged resources correctly, the garbage collector will eventually handle it for you when the object containing that resource is garbage collected (this is "...