大约有 45,000 项符合查询结果(耗时:0.0758秒) [XML]

https://stackoverflow.com/ques... 

showDialog deprecated. What's the alternative?

... From http://developer.android.com/reference/android/app/Activity.html public final void showDialog (int id) Added in API level 1 This method was deprecated in API level 13. Use the new DialogFragment class with FragmentManager instead; ...
https://stackoverflow.com/ques... 

Split string every nth character?

... i was being serious, I used this code in my binary converter in an emulator, I liked that it was a pythonic for loop haaha but thanks for further breaking down why i enjoy the method! – Trevor Rudolph Nov 3 '14 at 1:34 ...
https://stackoverflow.com/ques... 

Best way to create an empty object in JSON with PHP?

... the method to use. PHP: Objects - Manual If a value of any other type is converted to an object, a new instance of the stdClass built-in class is created. If the value was NULL, the new instance will be empty. .. but, try to keep it safe! Though you never know when/if the above will change, so i...
https://stackoverflow.com/ques... 

startActivityForResult() from a Fragment and finishing child Activity, doesn't call onActivityResult

...bugged the code, i see onActivityresult() of FirstAcivity.Java gets called and onActivityresult() of FragmentA.Java never get called. Please help. – Mr Roshan Pawar Jun 13 '13 at 11:46 ...
https://stackoverflow.com/ques... 

Find an item in List by LINQ?

...m item in list where item == search select item; And don't forget to check the list for null in any of these cases. Or use (list ?? Enumerable.Empty<string>()) instead of list. Thanks to Pavel for helping out in the comments. ...
https://stackoverflow.com/ques... 

Fastest way to list all primes below N

...t William Hanks for primesfrom2to, primesfrom3to, rwh_primes, rwh_primes1, and rwh_primes2. Of the plain Python methods tested, with psyco, for n=1000000, rwh_primes1 was the fastest tested. +---------------------+-------+ | Method | ms | +---------------------+-------+ | rwh_prime...
https://stackoverflow.com/ques... 

How do you make an array of structs in C?

... a question about the placement between the declaration of the struct type and then actually making an instance of it - I have a different struct, one that I defined the contents of below where I first make an instance of it (just one this time, not an array), so why didn't this make the massive ser...
https://stackoverflow.com/ques... 

Forward declaring an enum in C++

... char or an int, or something else. From Section 7.2.5 of the ISO C++ Standard: The underlying type of an enumeration is an integral type that can represent all the enumerator values defined in the enumeration. It is implementation-defined which integral type is used as the underlying type fo...
https://stackoverflow.com/ques... 

Is it expensive to use try-catch blocks even if an exception is never thrown?

...rown, it now does a relatively expensive operation of walking up the stack and seeing if any try blocks exist that would catch this exception. From a layman's perspective, try may as well be free. It's actually throwing the exception that costs you - but unless you're throwing hundreds or thousands ...
https://stackoverflow.com/ques... 

When to use static vs instantiated classes

...n it's just a tool that works on other stuff (like, for instance, a syntax converter for BB code to HTML ; it doesn't have a life on its own) (Yeah, I admit, really really overly-simplified...) One thing about static methods/classes is that they don't facilitate unit testing (at least in PHP, but...