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LINQ order by null column where order is ascending and nulls should be last
... descending
orderby p.LowestPrice descending
select p;
will be translated by the compiler to
var products = _context.Products
.Where(p => p.ProductTypeId == 1)
.OrderByDescending(p => p.LowestPrice.HasValue)
...
How to perform Unwind segue programmatically?
...our method to connect your source controller to the unwind IBAction.
3) Select the segue in the source view controller's document outline of the storyboard (it will be listed near the bottom), and give it an identifier.
4) Call the unwind segue using this method from source view controller, s...
How do you loop in a Windows batch file?
...ameter (or even command) is %%A, which will be substituted by each element from list consecutively.
From FOR loops
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How to load json into my angular.js ng-model?
...
<div ng-controller='MikesAngularController'>
<span>Please select a customer:</span>
<select ng-model="selectedCustomer" ng-options="customer.CustomerID as customer.CompanyName for customer in listOfCustomers" style="width:350px;"></select>
</div>
And th...
Get the new record primary key ID from MySQL insert query?
...
Eg:
INSERT INTO table_name (col1, col2,...) VALUES ('val1', 'val2'...);
SELECT LAST_INSERT_ID();
This will get you back the PRIMARY KEY value of the last row that you inserted:
The ID that was generated is maintained in the server on a per-connection basis. This means that the value returne...
Postgresql: password authentication failed for user “postgres”
...
From the Comprehensive manual, postgresql.org/files/documentation/pdf/12/postgresql-12-A4.pdf, section 20.5: "If no password has been set up for a user, the stored password is null and password authentication will always fail...
Easy way to dismiss keyboard?
...is is actually guaranteed to work, or is just a non-guaranteed side effect from calling an API in a way that it's not documented to work.
– JosephH
Sep 14 '10 at 4:28
3
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How can I get the actual stored procedure line number from an error message?
...VARCHAR(4000);
DECLARE @ErrorSeverity INT;
DECLARE @ErrorState INT;
SELECT
@ErrorMessage = ERROR_MESSAGE() + ' occurred at Line_Number: ' + CAST(ERROR_LINE() AS VARCHAR(50)),
@ErrorSeverity = ERROR_SEVERITY(),
@ErrorState = ERROR_STATE();
RAISERROR (@ErrorMessage, -- Messag...
How do I increase the capacity of the Eclipse output console?
...roll lock" option enabled for the Eclipse console, eventually it overfills and starts auto-scrolling on me.
9 Answers
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'sudo gem install' or 'gem install' and gem locations
...g results. My gem path is set to my home folder and only contains the gems from ' gem list --local '.
7 Answers
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