大约有 40,000 项符合查询结果（耗时：0.0333秒） [XML]
How to work offline with TFS
...from source control
In Visual Studio, open Solution
Explorer and select the item(s) to
disconnect.
On the File menu, click Source
Control, then Change Source Control.
In the Change Source Control dialog
box, click Disconnect.
Click OK.
...
There is already an open DataReader associated with this Command which must be closed first
...s =
from account in context.Accounts
from guranteer in account.Gurantors
select new AccountsReport
{
CreditRegistryId = account.CreditRegistryId,
AccountNumber = account.AccountNo,
DateOpened = account.DateOpened,
};
return accounts.AsEnumerable()
.Select((account, ind...
Update a record without first querying?
...his in EF Core, but the following ensures an UPDATE without having to do a SELECT (tested with EF Core 2 and JET on the .NET Framework 4.6.2):
Ensure your model does not have IsRequired properties
Then use the following template (in VB.NET):
Using dbContext = new MyContext()
Dim beweg...
Convert a list of objects to an array of one of the object's properties
...
You are looking for
MyList.Select(x=>x.Name).ToArray();
Since Select is an Extension method make sure to add that namespace by adding a
using System.Linq
to your file - then it will show up with Intellisense.
...
Freezing Row 1 and Column A at the same time
...
Select cell B2 and click "Freeze Panes" this will freeze Row 1 and Column A.
For future reference, selecting Freeze Panes in Excel will freeze the rows above your selected cell and the columns to the left of your selected ce...
PreparedStatement with list of parameters in a IN clause [duplicate]
... possibleValue.size(); i++ ) {
builder.append("?,");
}
String stmt = "select * from test where field in ("
+ builder.deleteCharAt( builder.length() -1 ).toString() + ")";
PreparedStatement pstmt = ...
And then happily set the params
int index = 1;
for( Object o : possibleVal...
Form inline inside a form horizontal in twitter bootstrap?
...abel class="control-label">Date of birth:</label>
<div>
<select class="form-control form-control-inline" name="year"> ... </select>
<select class="form-control form-control-inline" name="month"> ... </select>
<select class="form-control form-control-inline" ...
Can't launch my app in Instruments: At least one target failed to launch
...To change your code signing identity for Xcode 6:
Click on your Project, Select the Target you are Profiling.
Build Settings -> Code Signing -> Code Signing Identity -> Release
Select your iOS developer profile.
Provisioning Profile: Let Xcode pick the correct Provisioning Profile for yo...
Connecting overloaded signals and slots in Qt 5
...alueChanged(QString). From Qt 5.7, there are helper functions provided to select the desired overload, so you can write
connect(spinbox, qOverload<int>(&QSpinBox::valueChanged),
slider, &QSlider::setValue);
For Qt 5.6 and earlier, you need to tell Qt which one you want to p...
How can I see the specific value of the sql_mode?
...mode. If you set it, then that query will show you the details:
mysql> SELECT @@sql_mode;
+------------+
| @@sql_mode |
+------------+
| |
+------------+
1 row in set (0.00 sec)
mysql> set sql_mode=ORACLE;
Query OK, 0 rows affected (0.00 sec)
mysql> SELECT @@sql_mode;
+-------...