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Performance optimization strategies of last resort [closed]
...ove, and it doesn't follow exactly the same sequence, but still gets a 2-3 order of magnitude speedup.
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On design patterns: When should I use the singleton?
...ler. Your application should only have a single instance of the spooler in order to avoid conflicting request for the same resource.
Or a database connection or a file manager etc.
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std::next_permutation Implementation Explanation
...nd the permutations as numbers. Viewing the problem in this way we want to order the permutations/numbers in "ascending" order.
When we order numbers we want to "increase them by the smallest amount". For example when counting we don't count 1, 2, 3, 10, ... because there are still 4, 5, ... in bet...
How can I include a YAML file inside another?
... consume an inordinate amount of time because of recursive search.
In order to enable recursive argument, we shall write the !include tag in Mapping or Sequence mode:
Arguments in Sequence mode:
!include [tests/data/include.d/**/*.yaml, true]
Arguments in Mapping mode:
!include {pathna...
What is the HTML tabindex attribute?
...
tabindex is a global attribute responsible for two things:
it sets the order of "focusable" elements and
it makes elements "focusable".
In my mind the second thing is even more important than the first one. There are very few elements that are focusable by default (e.g. <a> and form cont...
Laravel Eloquent: Ordering results of all()
I'm stuck on a simple task.
I just need to order results coming from this call
9 Answers
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Python list sort in descending order
How can I sort this list in descending order?
6 Answers
6
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Paging with Oracle
...T * FROM
(
SELECT a.*, rownum r__
FROM
(
SELECT * FROM ORDERS WHERE CustomerID LIKE 'A%'
ORDER BY OrderDate DESC, ShippingDate DESC
) a
WHERE rownum < ((pageNumber * pageSize) + 1 )
)
WHERE r__ >= (((pageNumber-1) * pageSize) + 1)
...
Does SVG support embedding of bitmap images?
...
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How to remove the focus from a TextBox in WinForms?
...pecific control or SelectNextControl to select the next control in the tab order.
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