大约有 42,000 项符合查询结果（耗时：0.0313秒） [XML]
How should I store GUID in MySQL tables?
...above and when I convert them back using the same methods the guid that is selected is not the one that was inserted. What is transforming the guid? All I've done is copied the code from above.
– vsdev
Dec 17 '15 at 14:53
...
What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
...人民共和国',N'中华人民共和国'),
(N'abc',N'abc');
SELECT C1,
C2,
LEN(C1) AS [LEN(C1)],
DATALENGTH(C1) AS [DATALENGTH(C1)],
LEN(C2) AS [LEN(C2)],
DATALENGTH(C2) AS [DATALENGTH(C2)]
FROM @T
Returns
Note that the 华 and ...
How do you reverse a string in place in C or C++?
...
@fredsbend, the "ridiculously long" version of the selected answer handles a case which this simple answer doesn't - UTF-8 input. It shows the importance of fully specifying the problem. Besides the question was about code that would work in C as well.
–...
How to create Temp table with SELECT * INTO tempTable FROM CTE Query
...Time,
EventRecurring Bit,
EventType int
)
;WITH Calendar
AS (SELECT /*...*/)
Insert Into #Temp
Select EventID, EventStartDate, EventEndDate, PlannedDate as [EventDates], Cast(PlannedDate As datetime) AS DT, Cast(EventStartTime As time) AS ST,Cast(EventEndTime As time) AS ET, EventTitl...
Removing leading zeroes from a field in a SQL statement
... VARCHAR(10) field. So, for example, if the field contains '00001A', the SELECT statement needs to return the data as '1A'.
...
Get the generated SQL statement from a SqlCommand object?
... }
sql.AppendLine(";");
sql.AppendLine("select 'Return Value' = convert(varchar, @return_value);");
foreach (SqlParameter sp in sc.Parameters)
{
if ((sp.Direction == ParameterDirection.InputOutput) || (sp.Directi...
Most efficient way to remove special characters from string
...formance is highly important, I recommend you to do some benchmarks before selecting the "regex path"...
share
|
improve this answer
|
follow
|
...
How does the main() method work in C?
...stom-generate the __start function (or whatever it is called), or at least select one from several pre-compiled alternatives. Information could be stored in the object file about which of the supported forms of main is being used. The linker can look at this info, and select the correct version of ...
How would you count occurrences of a string (actually a char) within a string?
...want to be able to search for whole strings, and not just characters:
src.Select((c, i) => src.Substring(i))
.Count(sub => sub.StartsWith(target))
Read as "for each character in the string, take the rest of the string starting from that character as a substring; count it if it starts wi...
Regex match everything after question mark?
... for something like this? Topics: code, programming, design So I want to select the colon and look behind as far as the cpaital T of topics and fowards to the end on the line? (in this case end of the line is "design".
– Mark
Dec 11 '10 at 21:36
...