大约有 45,000 项符合查询结果（耗时：0.0863秒） [XML]
MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query
...nd this is to first declare a temp table, insert value to that temp table, and then use MERGE
Like this:
declare @Source table
(
name varchar(30),
age decimal(23,0)
)
insert into @Source VALUES
('Helen', 24),
('Katrina', 21),
('Samia', 22),
('Hui Ling', 25),
('Yumie', 29);
MERGE beautiful AS T...
Using SignalR with Redis messagebus failover using BookSleeve's ConnectionUtils.Connect()
...pler than the road I was going down, in creating a UseRedisCluster method, and the back-end pluming now supports true fail-over:
var conn = ConnectionMultiplexer.Connect("redisServer1:6380,redisServer2:6380,redisServer3:6380,allowAdmin=true");
StackExchange.Redis also allows for additional manual...
Java “user.dir” property - what exactly does it mean?
...property points to the current working directory (e.g. set by the 'cd' command)?
4 Answers
...
Uninstall ReSharper 4.5
...le to uninstall from Add Remove programs... that's insane. This is not a standalone program, this is a VS plugin. Why don't they offer some Uninstall plugin menu on Visual Studio. Or even the ReSharper guys themselves.
– erandros
Nov 1 '13 at 17:48
...
Difference between Iterator and Listiterator?
...
And the reason why you can't do that with a Set is simple: There is not "current point": Elements have no index and there is no usefull way you can add an element "before" or "after" another one.
– Joach...
Can I hex edit a file in Visual Studio?
...e another tool other than Visual Studio because it's a pain to switch back and forth.
2 Answers
...
Simple (I think) Horizontal Line in WPF?
Creating a relatively simple data entry form, and just want to separate certain sections with a horizontal line (not unlike an HR tag in HTML) that stretches the full length of the form.
...
How to define @Value as optional
... limited to plain strings as default values. You can use SPEL expressions, and a simple SPEL expression to return null is:
@Value("${myValue:#{null}}")
share
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Rails: Logging the entire stack trace of an exception
...d argument is 'progname'. This is used only when the first argument is nil and you have either given it no block or the block return a non-true value.
In essence, you can't use the second parameter to output additional stuff.
What you want to do is something more akin to:
begin
raise
rescue =&g...
What does “%” (percent) do in PowerShell?
... alias for ForEach-Object:
> Get-Alias -Definition ForEach-Object
CommandType Name Definition
----------- ---- ----------
Alias % For...