大约有 43,000 项符合查询结果(耗时:0.0536秒) [XML]

https://stackoverflow.com/ques... 

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_...
https://stackoverflow.com/ques... 

How can I run MongoDB as a Windows service?

...he following error: Cannot open MongoDB service on computer '.'. At line:1 char:1 + Start-Service MongoDB + ~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : OpenError: (System.ServiceProcess.ServiceController:ServiceController) [Start-Service], ServiceCommandException + FullyQualifiedError...
https://stackoverflow.com/ques... 

Multiple select statements in Single query

... SELECT ( SELECT COUNT(*) FROM user_table ) AS tot_user, ( SELECT COUNT(*) FROM cat_table ) AS tot_cat, ( SELECT COUNT(*) FROM course_table ) AS tot_course ...
https://stackoverflow.com/ques... 

Converting RGB to grayscale/intensity

...th 32 bits i.e. 4 bytes per pixel unsigned int fourBytes; unsigned char r,g,b; for (int index=0;index<width*height;index++) { fourBytes=pntrBWImage[index];//caches 4 bytes at a time r=(fourBytes>>16); g=(fourBytes>>8); ...
https://stackoverflow.com/ques... 

PadLeft function in T-SQL

... I believe this may be what your looking for: SELECT padded_id = REPLACE(STR(id, 4), SPACE(1), '0') FROM tableA or SELECT REPLACE(STR(id, 4), SPACE(1), '0') AS [padded_id] FROM tableA I haven't tested the syntax on the 2nd example. I'm not sure if that works 100%...
https://stackoverflow.com/ques... 

Use variable with TOP in select statement in SQL Server without making it dynamic [duplicate]

...es, in SQL Server 2005 it's possible to use a variable in the top clause. select top (@top) * from tablename share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How to add MVC5 to Visual Studio 2013?

...onger has separate project types for different ASP.Net features. You must select .NET Framework 4.5 (or higher) in order to see the ASP.NET Web Application template (For ASP.NET One). So just select Visual C# > Web > ASP.NET Web Application, then select the MVC checkbox in the next step. Not...
https://stackoverflow.com/ques... 

Is it possible to specify condition in Count()?

...an use the fact that the count aggregate only counts the non-null values: select count(case Position when 'Manager' then 1 else null end) from ... You can also use the sum aggregate in a similar way: select sum(case Position when 'Manager' then 1 else 0 end) from ... ...
https://stackoverflow.com/ques... 

How to parse a query string into a NameValueCollection in .NET

...='); if (parts.Length > 0) { string key = parts[0].Trim(new char[] { '?', ' ' }); string val = parts[1].Trim(); queryParameters.Add(key, val); } } share | improve thi...
https://stackoverflow.com/ques... 

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 ...