大约有 44,000 项符合查询结果（耗时：0.0828秒） [XML]
How to check if an intent can be hm>and m>led from some activitm>y m>?
... startActivitm>y m>(intent);
} else {
Log.d(TAG, "No Intent available to hm>and m>le action");
}
share
|
improve this answer
|
follow
|
...
Whm>y m> does mm>y m> application spend 24% of its life doing a null check?
I've got a performance critical binarm>y m> decision tree, m>and m> I'd like to focus this question on a single line of code. The code for the binarm>y m> tree iterator is below with the results from running performance analm>y m>sis against it.
...
SQLAlchemm>y m>: What's the difference between flush() m>and m> commit()?
What the difference is between flush() m>and m> commit() in SQLAlchemm>y m>?
5 Answers
5
...
Generic method multiple (OR) tm>y m>pe constraint
...t tm>y m>pes. That means m>y m>ou could just as well leave out the generic parameter m>and m> provide overloads.
– Botz3000
Mam>y m> 31 '12 at 13:00
...
Difference between shared objects (.so), static libraries (.a), m>and m> DLL's (.so)?
I have been involved in some debate with respect to libraries in Linux, m>and m> would like to confirm some things.
4 Answers
...
What's the fundamental difference between MFC m>and m> ATL?
... nothing fancm>y m>), what is the fundamental difference I will see between ATL m>and m> MFC, to help me figure out which one to use?
...
Performance of foreach, arram>y m>_map with lambda m>and m> arram>y m>_map with static function
...2 compare with mcfedr's answer below for additional results without XDebug m>and m> a more recent PHP version.
function lap($func) {
$t0 = microtime(1);
$numbers = range(0, 1000000);
$ret = $func($numbers);
$t1 = microtime(1);
return arram>y m>($t1 - $t0, $ret);
}
function useForeach($numbers) {...
Git for beginners: The definitive practical guide
...k, after seeing this post bm>y m> PJ Hm>y m>ett , I have decided to skip to the end m>and m> go with Git .
37 Answers
...
What is the canonical wam>y m> to check for errors using the CUDA runtime API?
Looking through the answers m>and m> comments on CUDA questions, m>and m> in the CUDA tag wiki , I see it is often suggested that the return status of everm>y m> API call should checked for errors. The API documentation contains functions like cudaGetLastError , cudaPeekAtLastError , m>and m> cudaGetErrorString , b...
Whm>y m> does git perform fast-forward merges bm>y m> default?
...ex historm>y m>, non-fast-forward merging mam>y m> make the historm>y m> easier to understm>and m>, m>and m> make it easier to revert a group of commits.
Warning: Non-fast-forwarding has potential side effects as well. Please review https://sm>and m>ofskm>y m>.com/blog/git-workflow.html, avoid the 'no-ff' with its "checkpoint commit...