大约有 15,000 项符合查询结果(耗时:0.0275秒) [XML]
There is already an open DataReader associated with this Command which must be closed first
...
use the syntax .ToList() to convert object read from db to list to avoid being re-read again.Hope this would work for it. Thanks.
share
|
improve this ...
Position a CSS background image x pixels from the right?
... @ValentinE that works for me too :-) I definitely saw this converted to 90% though - and I had cut and pasted this directly from chrome. unless there was a strange bug in a dev build of chrome I'm not sure why
– Simon_Weaver
Jul 29 '14 at 19:06
...
Appropriate datatype for holding percent values?
...ring
The percent ("P") format specifier multiplies a number by 100 and converts it to a string that represents a percentage.
Then you would be able to use this in your XAML code:
DataFormatString="{}{0:P}"
share
...
vim command to restructure/force text to 80 columns
... this, as the textwidth option didn't reformat my long line of text (I was converting playing with hex-to-byte conversions):
:%!fold -w 60
That reformated the whole file (which was one line for me) into lines of length 60.
...
Setting the filter to an OpenFileDialog to allow the typical image formats?
...
I love this so much that I've converted it into the world's most disgusting one-liner! Dim ofd As New OpenFileDialog() With {.Filter = ImageCodecInfo.GetImageEncoders().Aggregate("All Files (*.*)|*.*", Function(s, c) $"{s}|{c.CodecName.Substring(8).Replac...
LINQ to Entities does not recognize the method
...can't actually run your C# code as part of its query. It has to be able to convert the query to an actual SQL statement. In order for that to work, you will have to restructure your query expression into an expression that Entity Framework can handle.
public System.Linq.Expressions.Expression<Fu...
Select multiple records based on list of Id's with linq
...
I get "Cannot convert lambda expression to type 'int' because it is not a delegate type". How to fix that?
– Stian
Aug 12 '19 at 18:22
...
Using Linq to group a list of objects into a new grouped list of list of objects
...ows you to iterate over the members of the group. As Lee mentions, you can convert each group to a list if you really want to, but if you're just going to iterate over them as per the code above, there's no real benefit in doing so.
...
Deprecated: mysql_connect()
... will be removed in the future.
Use mysqli_* function or pdo
Read Oracle Converting to MySQLi
share
|
improve this answer
|
follow
|
...
Generate .pem file used to set up Apple Push Notifications
...mmand for the generating 'apns' .pem file.
https://www.sslshopper.com/ssl-converter.html
command to create apns-dev.pem from Cert.pem and Key.pem
openssl rsa -in Key.pem -out apns-dev-key-noenc.pem
cat Cert.pem apns-dev-key-noenc.pem > apns-dev.pem
Above command is usefu...
