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LINQ to SQL - Left Outer Join with multiple join conditions

...g.Where(f => f.otherid == 17).DefaultIfEmpty() where p.companyid == 100 select f.value Or you could use a subquery: from p in context.Periods join f in context.Facts on p.id equals f.periodid into fg from fgi in (from f in fg where f.otherid == 17 select f).DefaultIfE...
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Swapping two variable value without using third variable

...y){ int t; t = *y; *y = *x; *x = t; } int main(int argc, char* argv[]){ int x = 4; int y = 5; int z = pow(2,28); while ( z-- ){ # ifdef USE_XOR xorSwap(&x,&y); # else tempSwap(&x, &y); # endif } retu...
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How to convert std::string to LPCWSTR in C++ (Unicode)

... int len; int slength = (int)s.length() + 1; len = MultiByteToWideChar(CP_ACP, 0, s.c_str(), slength, 0, 0); wchar_t* buf = new wchar_t[len]; MultiByteToWideChar(CP_ACP, 0, s.c_str(), slength, buf, len); std::wstring r(buf); delete[] buf; return r; } std::wstring stemp...
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Oracle: If Table Exists

... declare c int; begin select count(*) into c from user_tables where table_name = upper('table_name'); if c = 1 then execute immediate 'drop table table_name'; end if; end; That's for checking whether a table in the current schema exi...
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Getting a map() to return a list in Python 3.x

...You can wrap the above in list if you really need a list of the individual characters, but since str is already an iterable of its own characters, the only reason you'd do so is if you need mutability. – ShadowRanger Jul 1 '16 at 1:52 ...
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How to create P12 certificate for iOS distribution

...hain Access where it will be matched up with the private key. You can then select the cert, and open the arrow to also select the private key and export them together as a .p12 file from Keychain Access. share | ...
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Spring JPA selecting specific columns

...Spring JPA to perform all database operations. However I don't know how to select specific columns from a table in Spring JPA? ...
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SQL “between” not inclusive

... is interpreted as midnight when the day starts. One way to fix this is: SELECT * FROM Cases WHERE cast(created_at as date) BETWEEN '2013-05-01' AND '2013-05-01' Another way to fix it is with explicit binary comparisons SELECT * FROM Cases WHERE created_at >= '2013-05-01' AND created_at <...
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Where is the C auto keyword used?

...because it declares that the car is broken down. The diagnostic is free of charge, but turning off the dashboard light will cost you eighty dollars. (Twenty or less, if you purchase your own USB dongle for on-board diagnostics from eBay). The aforementioned extern auto my_car also requires a diagno...
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How to create your own library for Android development to be used in every program you write?

...uide focuses on creating Android libraries. Give your library a name and select a minimum SDK version for the code in the library, then click Finish. Once the Gradle project sync completes, the library module appears in the Project panel on the left. If you don't see the new module fol...