大约有 2,253 项符合查询结果(耗时:0.0262秒) [XML]

https://stackoverflow.com/ques... 

Convert integer to string Jinja

... I found the answer. Cast integer to string: myOldIntValue|string Cast string to integer: myOldStrValue|int share | improve this answer ...
https://stackoverflow.com/ques... 

How to use GROUP BY to concatenate strings in SQL Server?

...LUES (2,'C',9) SELECT [ID], STUFF(( SELECT ', ' + [Name] + ':' + CAST([Value] AS VARCHAR(MAX)) FROM #YourTable WHERE (ID = Results.ID) FOR XML PATH(''),TYPE).value('(./text())[1]','VARCHAR(MAX)') ,1,2,'') AS NameValues FROM #YourTable Results GROUP BY ID DROP TABLE #YourT...
https://stackoverflow.com/ques... 

How to generate a random number in C++?

...is intuition it is only natural to search the web for some magic spells to cast to get such random number in any possible context. ^^^ THAT kind of intuitive expectations IS VERY WRONG and harmful in all cases involving Pseudo-Random Number Generators - despite being reasonable for true random numb...
https://stackoverflow.com/ques... 

How to get current time in milliseconds in PHP?

... decimals 1409263371904 Note that both $mt[1] and the result of round are casted to int. This is necessary because they are floats and the operation on them without casting would result in the function returning a float. Finally, that function is slightly more precise than round(microtime(true)*100...
https://stackoverflow.com/ques... 

Should I store entire objects, or pointers to objects in containers?

...class pointers, and to handle all the collateral damage in object storage, casting, and so on. It took me a couple of months to convince myself that the new code was working. Incidentally, this made me think hard about how well-designed C++'s object model is. On my current big project, my central d...
https://stackoverflow.com/ques... 

Useful GCC flags for C

...-arith: warn if anything depends upon the size of a function or of void. -Wcast-align: warn whenever a pointer is cast such that the required alignment of the target is increased. For example, warn if a char * is cast to an int * on machines where integers can only be accessed at two- or four-byte ...
https://stackoverflow.com/ques... 

Array.Copy vs Buffer.BlockCopy

...Copy() can perform very poorly here due to the continual "safe" value type casting, compared to the direct casting of Buffer.BlockCopy(). Additional evidence from outside StackOverflow that Array.Copy() is faster than Buffer.BlockCopy() for same-type array copying can be found here. ...
https://stackoverflow.com/ques... 

How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited

... XML PATH command. SELECT [VehicleID] , [Name] , (STUFF((SELECT CAST(', ' + [City] AS VARCHAR(MAX)) FROM [Location] WHERE (VehicleID = Vehicle.VehicleID) FOR XML PATH ('')), 1, 2, '')) AS Locations FROM [Vehicle] It's a lot easier than using a cursor, and s...
https://stackoverflow.com/ques... 

Calling Java varargs method with single null argument?

...ray. For a single argument it assumes the latter. You have two choices. Cast the null explicitly to Object or call the method using a strongly typed variable. See the example below: public class Temp{ public static void main(String[] args){ foo("a", "b", "c"); foo(null, null); ...
https://stackoverflow.com/ques... 

How can one print a size_t variable portably using the printf family?

...ode into a file that's compiled as C99. Otherwise, your only option is to cast your variables to unsigned long long and use %llu to be maximally portable. – Adam Rosenfield Apr 13 '10 at 1:52 ...