大约有 22,000 项符合查询结果（耗时：0.0403秒） [XML]
Python nonlocal statement
...eavily indented when defining inner functions and ends up violating the 79 chars PEP8 recommendation. Any way to get around this problem? Can an inner function somehow be placed outside the outer function? I know the question sounds stupid, but I'm earnest.
– tommy.carstensen
...
How is “int* ptr = int()” value initialization not illegal?
...h C++11, now you want to use nullptr because it also tosses the benefit of extra compile-time checks into the mix.
– Jamin Grey
Feb 27 '13 at 1:07
3
...
Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?
... query is stuck, there is a problem somewhere :
in your query (misplaced char, cartesian product, ...)
very numerous records to edit
complex joins or tests (MD5, substrings, LIKE %...%, etc.)
data structure problem
foreign key model (chain/loop locking)
misindexed data
As @syedrakib said, it wor...
Should IBOutlets be strong or weak under ARC?
... Is there such a thing as a redundant retain? If there's an extra retain, that will cause it to not be counted properly, and therefore won't be freed as soon as it could be since there's an extra retain on its retain count.
– karlbecker_com
Feb 2...
Fast ceiling of an integer division in C / C++
... return res.rem ? (res.quot + 1) : res.quot;
}
int main(int, const char**)
{
std::cout << "10 / 5 = " << div_ceil(10, 5) << std::endl;
std::cout << "11 / 5 = " << div_ceil(11, 5) << std::endl;
return 0;
}
...
How to add custom validation to an AngularJS form?
...riables. You might also want to check if the fields do not equal the empty string)
If the field does not pass the validator then the field will be marked as invalid and the user will not be able to submit the form.
For more use cases and examples see: https://github.com/turinggroup/angular-validat...
Should I make HTML Anchors with 'name' or 'id'?
...id be the <fragment> component of the URL.
If fragid is the empty string, then the indicated part of the document is the top of the document.
If there is an element in the DOM that has an ID exactly equal to fragid, then the first such element in tree order is the indicated part of the...
What does android:layout_weight mean?
...
In a nutshell, layout_weight specifies how much of the extra space in the layout to be allocated to the View.
LinearLayout supports assigning a weight to individual children. This attribute assigns an "importance" value to a view, and allows it to expand to fill any remaining spa...
How do I update a GitHub forked repository?
...
@JohnY Using GitHub will always create an extra commit. You need to do all this in a shell on a local repo to avoid that extra commit.
– Jonathan Cross
Oct 14 '16 at 21:51
...
Face recognition Library [closed]
... you an idea of whats involved:
#include <ccv.h>
int main(int argc, char** argv)
{
ccv_dense_matrix_t* image = 0;
ccv_read(argv[1], &image, CCV_IO_GRAY | CCV_IO_ANY_FILE);
ccv_bbf_classifier_cascade_t* cascade = ccv_load_bbf_classifier_cascade(argv[2]); ccv_bbf_params_...