大约有 43,000 项符合查询结果(耗时:0.0416秒) [XML]
Grep only the first match and stop
...e. If you're looking to search general files, it is less good at that, at least in ack 1.x. Go read about ack and see if maybe it fits your needs.
– Andy Lester
Dec 30 '12 at 20:22
...
Determine if Android app is being used for the first time
.../ first time task
// record the fact that the app has been started at least once
settings.edit().putBoolean("my_first_time", false).commit();
}
share
|
improve this answer
|
...
Fastest way to serialize and deserialize .NET objects
...d NetSerializer are well-suited to, but in terms of raw performance for at least relatively simple objects... BinaryFormatter is significantly more performant, by at least an order of magnitude.
YMMV.
share
|
...
What does extern inline do?
...situation with inline, static inline and extern inline is complicated, not least because gcc and C99 define slightly different meanings for their behavior (and presumably C++, as well). You can find some useful and detailed information about what they do in C here.
...
Why is it not advisable to have the database and web server on the same machine?
... anonymous users. If your web server gets compromised, and you've followed least privilege rules in connecting to your DB, the maximum exposure is what your app can do through the database API. If you have a business tier in between, you have one more step between your attacker and your data. If, on...
Is it safe to use -1 to set all bits to true?
...itude representation minus one only has two bits set: the sign bit and the least significant bit of the magnitude.
– Stephen C. Steel
May 1 '09 at 4:50
15
...
How can I make Bootstrap columns all the same height?
...Safari version you are using? I'd love to try to get this fixed asap or at least put a comment in the answer as I know a lot of people are using it.
– Bryan Willis
Jul 8 '16 at 5:09
...
#define macro for debug printing in C?
...nt(fmt, ...) and #define debug_print(...). The first of these requires at least one argument, the format string (fmt) and zero or more other arguments; the second requires zero or more arguments in total. If you use debug_print() with the first, you get an error from the preprocessor about misusin...
Polymorphism vs Overriding vs Overloading
...
I can think of at least a handful of humans who would disprove your "you cannot create a human that is neither male nor female" thesis, although it'd still be true of your code... bad abstraction I suppose I'm saying? ;)
–...
What does numpy.random.seed(0) do?
...
@LubedUpSlug you can decorate them – at least for some simple cases I tested it should work. def seed_first(fun, seed=0): | \tdef wrapped(*args, **kwargs): | \t\tnp.random.seed(seed) | \t\treturn fun(*args, **kwargs) | \treturn wrapped, and then for m in np.random....