大约有 45,000 项符合查询结果（耗时：0.0733秒） [XML]
Entity Framework Provider type could not be loaded?
...
I had the same problem in my Test projects - I installed the latest EF6 bits via NuGet and everytime I invoke something EF-related I got:
The Entity Framework provider type
'System.Data.Entity.SqlServer.SqlProviderServices,
EntityFramework.SqlServer' for the 'System.Data.SqlClient' ADO.NE...
renderpartial with null model gets passed the wrong type
...ep this was happening to me and the above didn't fix it, it just gave me a bit more information on my actual error.
– Canvas
Jul 1 '15 at 13:09
add a comment
...
Do threads have a distinct heap?
...ress space and therefore usually have just one heap.
However, it can be a bit more complicated. You might be looking for Thread Local Storage (TLS), but it stores single values only.
Windows-Specific:
TLS-space can be allocated using TlsAlloc and freed using TlsFree (Overview here). Again, it's no...
Rails 3: Get Random Record
..., ruby 1.9.3-p125-perf) where the db is in localhost and users table has a bit more than 100K records.
Using
order by RAND()
is quite slow
User.order("RAND(id)").first
becomes
SELECT users.* FROM users ORDER BY RAND(id) LIMIT 1
and takes from 8 to 12 seconds to respond!!
Rails l...
Difference between a User and a Login in SQL Server
...
It's a bit clearer if you put a > at the start of each paragraph in the quote so it's formatted as a quote.
– Sam
Apr 27 '15 at 2:31
...
nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
...t be something in default that is actually causing the problem, so I dug a bit deeper and provided an answer with more info.
– Nathan
Feb 26 '13 at 23:56
...
#ifdef vs #if - which is better/safer as a method for enabling/disabling compilation of particular s
This may be a matter of style, but there's a bit of a divide in our dev team and I wondered if anyone else had any ideas on the matter...
...
MySQL Select Query - Get only first 10 characters of a value
...
A sample would have been a bit more helpful.
– Rocco The Taco
Mar 11 '14 at 14:46
6
...
How to get the list of files in a directory in a shell script?
...t seem to get the last xargs -0 -i echo "{}" command, care to explain me a bit? In particular what is the -i echo "{}" part do? Also I read from the man page that -i is deprecated now and we should use -I insted.
– drkg4b
Oct 5 '15 at 17:27
...