大约有 47,000 项符合查询结果（耗时：0.0485秒） [XML]
What is “with (nolock)” in SQL Server?
...r 2005, so the support for NOLOCK exists if you are using that version. In order to future-proof you code (assuming you've decided to use dirty reads) you could use this in your stored procedures:
SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED
How do you sort an array on multiple columns?
...10], [A,5], 5 comes before 10 so it would end up with [A,5],[A,10] for the ordering. The thing you may be missing is that mysortfunction is called multiple times when you use Array.sort until the sorting is completed.
– dcp
Apr 23 '15 at 10:59
...
How to calculate age (in years) based on Date of Birth and getDate()
...s. Also taking the dart parts and comparing only works if they're properly ordered.
THE FOLLOWING CODE WORKS AND IS VERY SIMPLE:
create function [dbo].[AgeAtDate](
@DOB datetime,
@PassedDate datetime
)
returns int
with SCHEMABINDING
as
begin
declare @iMonthDayDob int
declare @iMonthDa...
Getting the first index of an object
...
If the order of the objects is significant, you should revise your JSON schema to store the objects in an array:
[
{"name":"foo", ...},
{"name":"bar", ...},
{"name":"baz", ...}
]
or maybe:
[
["foo", {}],
["ba...
Rails “validates_uniqueness_of” Case Sensitivity
...hreaded server. That's because you might get this sequence of events (the order is important):
Process A gets a request to create a new user with the name 'foo'
Process B does the same thing
Process A validates the uniqueness of 'foo' by asking the DB if that name exists yet and the DB says the n...
How can I get nth element from a list?
...6
|
`- 7
We can now access the elements of the tree in depth-first order:
> tree ^? element 0
Just 1
> tree ^? element 1
Just 2
> tree ^? element 2
Just 4
> tree ^? element 3
Just 5
> tree ^? element 4
Just 3
> tree ^? element 5
Just 6
> tree ^? element 6
Just 7
We ca...
How to check date of last change in stored procedure or function in SQL server
...
SELECT name, create_date, modify_date
FROM sys.objects
WHERE type = 'P'
ORDER BY modify_date DESC
The type for a function is FN rather than P for procedure. Or you can filter on the name column.
share
|
...
RSpec: describe, context, feature, scenario?
...ike this:
#
# The feature/behaviour I'm currently testing
#
describe "item ordering" do
# 1st state of the feature/behaviour I'm testing
context "without a order param" do
...
end
# 2nd state of the feature/behaviour I'm testing
context "with a given order column" do
..
end
...
Why does C++ not allow inherited friendship?
...e that the interface class A has to boilerplate call wrappers to Z, and in order to extend access to subclasses, A's boilerplate has to be essentially duplicated in every base class like B. An interface normally expresses what functionality a module wants to offer, not what functionality in others ...
Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding
...
FYI - I had to install the latest FTDI drivers in order to resolve this issue permanently
– Scott Silvi
Jun 22 '14 at 17:50
2
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