大约有 30,000 项符合查询结果（耗时：0.0554秒） [XML]
How to update two tables in one statement in SQL Server 2005?
...wo UPDATE statements are treated atomically. You can also batch them to avoid a round trip.
BEGIN TRANSACTION;
UPDATE Table1
SET Table1.LastName = 'DR. XXXXXX'
FROM Table1 T1, Table2 T2
WHERE T1.id = T2.id
and T1.id = '011008';
UPDATE Table2
SET Table2.WAprrs = 'start,stop'
FROM Table1 T1, Tab...
How to delete an object by id with entity framework
...ction is Remove. Here is an example
Customer customer = new Customer () { Id = id };
context.Customers.Attach(customer);
context.Customers.Remove(customer);
context.SaveChanges();
share
|
improve ...
How to know the size of the string in bytes?
...the Unicode or ASCII class if the data in the string came from a 3rd party file?
– Matthew Lock
Feb 24 '14 at 1:11
7
...
For each row return the column name of the largest value
...what department they are in most often. It is trivial to tabulate employee ID against department name, but it is trickier to return the department name, rather than the number of roster counts, from the frequency table. A simple example below (column names = departments, row names = employee ids).
...
Can bash show a function's definition?
...
Use type. If foobar is e.g. defined in your ~/.profile:
$ type foobar
foobar is a function
foobar {
echo "I'm foobar"
}
This does find out what foobar was, and if it was defined as a function it calls declare -f as explained by pmohandras.
To print out just the body ...
How to check a checkbox in capybara?
...
I found the following worked for me:
# Check
find(:css, "#cityID[value='62']").set(true)
# Uncheck
find(:css, "#cityID[value='62']").set(false)
share
|
improve this answer
|
...
Twitter bootstrap modal-backdrop doesn't disappear
...
happened to me while had this file in Mustache template
– Pavel 'PK' Kaminsky
Aug 19 '15 at 22:27
...
When to use Common Table Expression (CTE)
...
Interesting fact about CTE. I always wondered why NEWID() in the CTE changes when the CTE is referenced more than once. select top 100 * into #tmp from master..spt_values order by 1,2,3,4 select A.number, COUNT(*) from #tmp A inner join #tmp B ON A.number = B.number+1 group by...
How to create composite primary key in SQL Server 2008
...
CREATE TABLE UserGroup
(
[User_Id] INT NOT NULL,
[Group_Id] INT NOT NULL
CONSTRAINT PK_UserGroup PRIMARY KEY NONCLUSTERED ([User_Id], [Group_Id])
)
share
|
...
Using regular expression in css?
I have an html page with divs that have id (s) of the form s1 , s2 and so on.
8 Answers
...