大约有 43,000 项符合查询结果（耗时：0.0545秒） [XML]
SQL update fields of one table from fields of another one
...
You can use the non-standard FROM clause.
UPDATE b
SET column1 = a.column1,
column2 = a.column2,
column3 = a.column3
FROM a
WHERE a.id = b.id
AND b.id = 1
share
...
Only parameterless constructors and initializers are supported in LINQ to Entities
... this doesn't help much, but assuming you want to create a Payments object and set some of its properties based on column values:
var naleznosci = (from nalTmp in db.Naleznosci
where nalTmp.idDziecko == idDziec
select new Payments
...
What is sharding and why is it important?
I think I understand sharding to be putting back your sliced up data (the shards) into an easy to deal with aggregate that makes sense in the context. Is this correct?
...
Assembly code vs Machine code vs Object code?
What is the difference between object code, machine code and assembly code?
10 Answers
...
How to remove leading and trailing zeros in a string? Python
...
What about a basic
your_string.strip("0")
to remove both trailing and leading zeros ? If you're only interested in removing trailing zeros, use .rstrip instead (and .lstrip for only the leading ones).
[More info in the doc.]
You could use some list comprehension to get the sequences you w...
What's the best way to refactor a method that has too many (6+) parameters?
... way would be to find ways to group the arguments together. This assumes, and really only works if, you would end up with multiple "groupings" of arguments.
For instance, if you are passing the specification for a rectangle, you can pass x, y, width, and height or you could just pass a rectangle o...
Changing capitalization of filenames in Git
...these two names refer to the same path from the filesystem's point of view and requires the user to give "--force" when correcting the case of the path recorded in the index and in the next commit.
Detect this case and allow it without requiring "--force".
git mv hello.txt Hello.txt just works...
What is the difference between fastcgi and fpm?
...d somewhere that fpm means FastCGI process manager. Does that mean fastcgi and fpm are same? If they are same, then why do we have two different macports variants for php namely
"php5 +fastcgi" and
"php5 +fpm"
...
Adding Core Data to existing iPhone project
...o manually import the header in the files you need them.
So open up Xcode and look for some file like App_Prefix.pch, by default it's in the Other Sources group. After the UIKit import statement, add the following line:
#import <CoreData/CoreData.h>
And you should be ready to go.
Xcode 4
...
Hidden features of Perl?
...ation when looping through the records (usually lines) returned by a file handle, without using a flag variable:
while(<$fh>)
{
next if 1..1; # skip first record
...
}
Run perldoc perlop and search for "flip-flop" for more information and examples.
...