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Code equivalent to the 'let' keyword in chained LINQ extension method calls
Using the C# compilers query comprehension features, you can write code like:
4 Answers
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How do I write LINQ's .Skip(1000).Take(100) in pure SQL?
...05 and above you can use ROW_NUMBER function. eg.
USE AdventureWorks;
GO
WITH OrderedOrders AS
(
SELECT SalesOrderID, OrderDate,
ROW_NUMBER() OVER (ORDER BY OrderDate) AS 'RowNumber'
FROM Sales.SalesOrderHeader
)
SELECT *
FROM OrderedOrders
WHERE RowNumber BETWEEN 51 AND 60; --BETWE...
Get underlying NSData from UIImage
I can create UIImage from NSData using [UIImage imageWithData:] or [UIImage initWithData:] methods.
6 Answers
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Force page scroll position to top at page refresh in HTML
I am building a website which I am publishing with div s. When I refresh the page after it was scrolled to position X, then the page is loaded with the scroll position as X.
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Python 3.x rounding behavior
I was just re-reading What’s New In Python 3.0 and it states:
11 Answers
11
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How can building a heap be O(n) time complexity?
Can someone help explain how can building a heap be O(n) complexity?
17 Answers
17
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Copying text with color from Notepad++
Is there a way to copy the text from a Notepad ++ file with color?
9 Answers
9
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Use didSelectRowAtIndexPath or prepareForSegue method for UITableView?
I'm using storyboards and I have a UITableView. I have a segue setup that pushes from my table to the detail VC. But which method should I use to handle this? I'll have to pass a couple objects to the detail view. But do I use didSelectRowAtIndex or -(void)prepareForSegue:(UIStoryboardSegue *...
Difference between Django's annotate and aggregate methods?
...alues for the entire queryset. Annotate calculates summary values for each item in the queryset.
Aggregation
>>> Book.objects.aggregate(average_price=Avg('price'))
{'average_price': 34.35}
Returns a dictionary containing the average price of all books in the queryset.
Annotation
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Batch script to delete files
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You need to escape the % with another...
del "D:\TEST\TEST 100%%\Archive*.TXT"
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