大约有 40,000 项符合查询结果（耗时：0.0473秒） [XML]
What are some popular naming conventions for Unit Tests? [closed]
... edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Sep 18 '08 at 20:32
Rob CooperRob Coope...
How do I implement interfaces in python?
...m them. Another way is zope.interface, a module that is a part of the Zope Component Architecture, a really awesomely cool component framework. Here you don't subclass from the interfaces, but instead mark classes (or even instances) as implementing an interface. This can also be used to look up com...
How to get image height and width using java?
...
|
show 7 more comments
76
...
Const before or const after?
....
The reason they defined the grammar in this way was likely that their C compiler parsed input from left-to-right and finished processing each token as it consumed that. Consuming the * token changes the state of the current declaration to a pointer type. Encountering const after * means the con...
Developing for Android in Eclipse: R.java not regenerating
...
community wiki
2 revs, 2 users 92%aioobe
...
Random record from MongoDB
... { $match: { a: 10 } },
{ $sample: { size: 1 } }
])
As noted in the comments, when size is greater than 1, there may be duplicates in the returned document sample.
share
|
improve this answer...
Forward an invocation of a variadic function in C
...tead of a variable number of arguments, you can't do it. See http://c-faq.com/varargs/handoff.html.
Example:
void myfun(const char *fmt, va_list argp) {
vfprintf(stderr, fmt, argp);
}
share
|
...
How to initialize a List to a given size (as opposed to capacity)?
...r may not be what you want, depending on your use case.
EDIT: As noted in comments, you could make Repeated use a loop to populate the list if you wanted to. That would be slightly faster too. Personally I find the code using Repeat more descriptive, and suspect that in the real world the performan...
Why use the INCLUDE clause when creating an index?
...
|
show 2 more comments
218
...
When should I use a struct instead of a class?
...
They've probably recommended this because if the struct is immutable, then it won't matter that it has value semantics rather than reference semantics. The distinction only matters if you mutate the object/struct after making a copy.
...