大约有 21,000 项符合查询结果（耗时：0.0467秒） [XML]
List of tuples to dictionary
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Boris
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answered Jun 29 '11 at 14:36
Sven MarnachSven Marnach
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CSS image resize percentage of itself?
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Community♦
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answered May 25 '12 at 9:40
Vladimir StarkovVladimir Starkov
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Getting the location from an IP address [duplicate]
...e information like the city, state, and country of a visitor from their IP address, so that I can customize my web page according to their location. Is there a good and reliable way to do this in PHP? I am using JavaScript for client-side scripting, PHP for server-side scripting, and MySQL for the d...
Fastest Way of Inserting in Entity Framework
...onOfEntitiesToInsert)
{
++count;
context = AddToContext(context, entityToInsert, count, 100, true);
}
context.SaveChanges();
}
finally
{
if (context != null)
context.Dispose();
}
scope.Complete();
}
private My...
ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
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I had this issue and the fix was to make sure in tnsnames.ora the SERVICE_NAME is a valid service name in your database. To find out valid service names, you can use the following query in oracle:
select value from v$parameter ...
How to properly ignore exceptions
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wjandrea
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answered Apr 8 '09 at 16:25
vartecvartec
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Fastest way to extract frames using ffmpeg?
...P images:
ffmpeg -i file.mpg -r 1/1 $filename%03d.bmp
This also has the advantage of not incurring more quality loss through quantization by transcoding to JPEG. (PNG is also lossless but tends to take much longer than JPEG to encode.)
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Why does the C# compiler go mad on this nested LINQ query?
...erence has to go in the opposite direction to normal), combined with overload resolution. Unfortunately, just supplying the type parameters doesn't help the situation (where it presumably still has to perform the type checking).
The following code, which should logically be the equivalent code from...
Boolean.hashCode()
... % 10
1000 % 20 same bucket as 2000 % 20
....
in other words, it would lead to many collisions.
This is because the factorization of 1000 (23, 53) and the factorization of 2000 (24, 53) have so many common factors. Thus prime numbers are chosen, since they are unlikely to have any common factors ...
JPA: what is the proper pattern for iterating over large result sets?
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Community♦
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answered Feb 21 '11 at 21:24
George ArmholdGeorge Armhold
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